annotate planemo/lib/python3.7/site-packages/bs4/tests/test_tree.py @ 0:d30785e31577 draft

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author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 # -*- coding: utf-8 -*-
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2 """Tests for Beautiful Soup's tree traversal methods.
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3
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4 The tree traversal methods are the main advantage of using Beautiful
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5 Soup over just using a parser.
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6
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7 Different parsers will build different Beautiful Soup trees given the
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8 same markup, but all Beautiful Soup trees can be traversed with the
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9 methods tested here.
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10 """
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11
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12 from pdb import set_trace
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13 import copy
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14 import pickle
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15 import re
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16 import warnings
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17 from bs4 import BeautifulSoup
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18 from bs4.builder import (
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19 builder_registry,
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20 HTMLParserTreeBuilder,
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21 )
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22 from bs4.element import (
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23 PY3K,
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24 CData,
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25 Comment,
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26 Declaration,
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27 Doctype,
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28 Formatter,
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29 NavigableString,
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30 Script,
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31 SoupStrainer,
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32 Stylesheet,
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33 Tag,
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34 TemplateString,
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35 )
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36 from bs4.testing import (
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37 SoupTest,
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38 skipIf,
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39 )
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40 from soupsieve import SelectorSyntaxError
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41
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42 XML_BUILDER_PRESENT = (builder_registry.lookup("xml") is not None)
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43 LXML_PRESENT = (builder_registry.lookup("lxml") is not None)
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44
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45 class TreeTest(SoupTest):
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46
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47 def assertSelects(self, tags, should_match):
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48 """Make sure that the given tags have the correct text.
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49
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50 This is used in tests that define a bunch of tags, each
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51 containing a single string, and then select certain strings by
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52 some mechanism.
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53 """
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54 self.assertEqual([tag.string for tag in tags], should_match)
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55
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56 def assertSelectsIDs(self, tags, should_match):
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57 """Make sure that the given tags have the correct IDs.
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58
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59 This is used in tests that define a bunch of tags, each
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60 containing a single string, and then select certain strings by
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61 some mechanism.
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62 """
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63 self.assertEqual([tag['id'] for tag in tags], should_match)
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64
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65
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66 class TestFind(TreeTest):
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67 """Basic tests of the find() method.
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68
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69 find() just calls find_all() with limit=1, so it's not tested all
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70 that thouroughly here.
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71 """
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72
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73 def test_find_tag(self):
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74 soup = self.soup("<a>1</a><b>2</b><a>3</a><b>4</b>")
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75 self.assertEqual(soup.find("b").string, "2")
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76
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77 def test_unicode_text_find(self):
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78 soup = self.soup('<h1>Räksmörgås</h1>')
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79 self.assertEqual(soup.find(string='Räksmörgås'), 'Räksmörgås')
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80
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81 def test_unicode_attribute_find(self):
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82 soup = self.soup('<h1 id="Räksmörgås">here it is</h1>')
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83 str(soup)
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84 self.assertEqual("here it is", soup.find(id='Räksmörgås').text)
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85
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86
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87 def test_find_everything(self):
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88 """Test an optimization that finds all tags."""
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89 soup = self.soup("<a>foo</a><b>bar</b>")
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90 self.assertEqual(2, len(soup.find_all()))
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91
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92 def test_find_everything_with_name(self):
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93 """Test an optimization that finds all tags with a given name."""
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94 soup = self.soup("<a>foo</a><b>bar</b><a>baz</a>")
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95 self.assertEqual(2, len(soup.find_all('a')))
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96
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97 class TestFindAll(TreeTest):
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98 """Basic tests of the find_all() method."""
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99
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100 def test_find_all_text_nodes(self):
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101 """You can search the tree for text nodes."""
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102 soup = self.soup("<html>Foo<b>bar</b>\xbb</html>")
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103 # Exact match.
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104 self.assertEqual(soup.find_all(string="bar"), ["bar"])
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105 self.assertEqual(soup.find_all(text="bar"), ["bar"])
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106 # Match any of a number of strings.
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107 self.assertEqual(
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108 soup.find_all(text=["Foo", "bar"]), ["Foo", "bar"])
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109 # Match a regular expression.
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110 self.assertEqual(soup.find_all(text=re.compile('.*')),
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111 ["Foo", "bar", '\xbb'])
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112 # Match anything.
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113 self.assertEqual(soup.find_all(text=True),
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114 ["Foo", "bar", '\xbb'])
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115
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116 def test_find_all_limit(self):
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117 """You can limit the number of items returned by find_all."""
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118 soup = self.soup("<a>1</a><a>2</a><a>3</a><a>4</a><a>5</a>")
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119 self.assertSelects(soup.find_all('a', limit=3), ["1", "2", "3"])
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120 self.assertSelects(soup.find_all('a', limit=1), ["1"])
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121 self.assertSelects(
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122 soup.find_all('a', limit=10), ["1", "2", "3", "4", "5"])
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123
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124 # A limit of 0 means no limit.
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125 self.assertSelects(
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126 soup.find_all('a', limit=0), ["1", "2", "3", "4", "5"])
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127
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128 def test_calling_a_tag_is_calling_findall(self):
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129 soup = self.soup("<a>1</a><b>2<a id='foo'>3</a></b>")
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130 self.assertSelects(soup('a', limit=1), ["1"])
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131 self.assertSelects(soup.b(id="foo"), ["3"])
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132
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133 def test_find_all_with_self_referential_data_structure_does_not_cause_infinite_recursion(self):
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134 soup = self.soup("<a></a>")
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135 # Create a self-referential list.
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136 l = []
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137 l.append(l)
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138
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139 # Without special code in _normalize_search_value, this would cause infinite
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140 # recursion.
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141 self.assertEqual([], soup.find_all(l))
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142
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143 def test_find_all_resultset(self):
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144 """All find_all calls return a ResultSet"""
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145 soup = self.soup("<a></a>")
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146 result = soup.find_all("a")
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147 self.assertTrue(hasattr(result, "source"))
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148
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149 result = soup.find_all(True)
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150 self.assertTrue(hasattr(result, "source"))
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151
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152 result = soup.find_all(text="foo")
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153 self.assertTrue(hasattr(result, "source"))
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154
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155
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156 class TestFindAllBasicNamespaces(TreeTest):
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157
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158 def test_find_by_namespaced_name(self):
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159 soup = self.soup('<mathml:msqrt>4</mathml:msqrt><a svg:fill="red">')
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160 self.assertEqual("4", soup.find("mathml:msqrt").string)
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161 self.assertEqual("a", soup.find(attrs= { "svg:fill" : "red" }).name)
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162
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163
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164 class TestFindAllByName(TreeTest):
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165 """Test ways of finding tags by tag name."""
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166
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167 def setUp(self):
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168 super(TreeTest, self).setUp()
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169 self.tree = self.soup("""<a>First tag.</a>
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170 <b>Second tag.</b>
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171 <c>Third <a>Nested tag.</a> tag.</c>""")
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172
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173 def test_find_all_by_tag_name(self):
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174 # Find all the <a> tags.
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175 self.assertSelects(
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176 self.tree.find_all('a'), ['First tag.', 'Nested tag.'])
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177
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178 def test_find_all_by_name_and_text(self):
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179 self.assertSelects(
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180 self.tree.find_all('a', text='First tag.'), ['First tag.'])
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181
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182 self.assertSelects(
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183 self.tree.find_all('a', text=True), ['First tag.', 'Nested tag.'])
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184
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185 self.assertSelects(
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186 self.tree.find_all('a', text=re.compile("tag")),
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187 ['First tag.', 'Nested tag.'])
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188
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189
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190 def test_find_all_on_non_root_element(self):
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191 # You can call find_all on any node, not just the root.
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192 self.assertSelects(self.tree.c.find_all('a'), ['Nested tag.'])
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193
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194 def test_calling_element_invokes_find_all(self):
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195 self.assertSelects(self.tree('a'), ['First tag.', 'Nested tag.'])
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196
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197 def test_find_all_by_tag_strainer(self):
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198 self.assertSelects(
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199 self.tree.find_all(SoupStrainer('a')),
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200 ['First tag.', 'Nested tag.'])
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201
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202 def test_find_all_by_tag_names(self):
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203 self.assertSelects(
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204 self.tree.find_all(['a', 'b']),
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205 ['First tag.', 'Second tag.', 'Nested tag.'])
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206
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207 def test_find_all_by_tag_dict(self):
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208 self.assertSelects(
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209 self.tree.find_all({'a' : True, 'b' : True}),
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210 ['First tag.', 'Second tag.', 'Nested tag.'])
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211
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212 def test_find_all_by_tag_re(self):
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213 self.assertSelects(
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214 self.tree.find_all(re.compile('^[ab]$')),
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215 ['First tag.', 'Second tag.', 'Nested tag.'])
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216
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217 def test_find_all_with_tags_matching_method(self):
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218 # You can define an oracle method that determines whether
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219 # a tag matches the search.
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220 def id_matches_name(tag):
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221 return tag.name == tag.get('id')
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222
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223 tree = self.soup("""<a id="a">Match 1.</a>
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224 <a id="1">Does not match.</a>
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225 <b id="b">Match 2.</a>""")
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226
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227 self.assertSelects(
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228 tree.find_all(id_matches_name), ["Match 1.", "Match 2."])
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229
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230 def test_find_with_multi_valued_attribute(self):
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231 soup = self.soup(
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232 "<div class='a b'>1</div><div class='a c'>2</div><div class='a d'>3</div>"
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233 )
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234 r1 = soup.find('div', 'a d');
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235 r2 = soup.find('div', re.compile(r'a d'));
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236 r3, r4 = soup.find_all('div', ['a b', 'a d']);
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237 self.assertEqual('3', r1.string)
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238 self.assertEqual('3', r2.string)
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239 self.assertEqual('1', r3.string)
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240 self.assertEqual('3', r4.string)
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241
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242
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243 class TestFindAllByAttribute(TreeTest):
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244
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245 def test_find_all_by_attribute_name(self):
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246 # You can pass in keyword arguments to find_all to search by
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247 # attribute.
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248 tree = self.soup("""
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249 <a id="first">Matching a.</a>
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250 <a id="second">
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251 Non-matching <b id="first">Matching b.</b>a.
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252 </a>""")
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253 self.assertSelects(tree.find_all(id='first'),
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254 ["Matching a.", "Matching b."])
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255
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256 def test_find_all_by_utf8_attribute_value(self):
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257 peace = "םולש".encode("utf8")
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258 data = '<a title="םולש"></a>'.encode("utf8")
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259 soup = self.soup(data)
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260 self.assertEqual([soup.a], soup.find_all(title=peace))
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261 self.assertEqual([soup.a], soup.find_all(title=peace.decode("utf8")))
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262 self.assertEqual([soup.a], soup.find_all(title=[peace, "something else"]))
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263
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264 def test_find_all_by_attribute_dict(self):
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265 # You can pass in a dictionary as the argument 'attrs'. This
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266 # lets you search for attributes like 'name' (a fixed argument
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267 # to find_all) and 'class' (a reserved word in Python.)
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268 tree = self.soup("""
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269 <a name="name1" class="class1">Name match.</a>
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270 <a name="name2" class="class2">Class match.</a>
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271 <a name="name3" class="class3">Non-match.</a>
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272 <name1>A tag called 'name1'.</name1>
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273 """)
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274
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275 # This doesn't do what you want.
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276 self.assertSelects(tree.find_all(name='name1'),
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277 ["A tag called 'name1'."])
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278 # This does what you want.
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279 self.assertSelects(tree.find_all(attrs={'name' : 'name1'}),
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280 ["Name match."])
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281
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282 self.assertSelects(tree.find_all(attrs={'class' : 'class2'}),
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283 ["Class match."])
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284
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285 def test_find_all_by_class(self):
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286 tree = self.soup("""
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287 <a class="1">Class 1.</a>
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288 <a class="2">Class 2.</a>
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289 <b class="1">Class 1.</b>
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290 <c class="3 4">Class 3 and 4.</c>
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291 """)
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292
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293 # Passing in the class_ keyword argument will search against
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294 # the 'class' attribute.
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295 self.assertSelects(tree.find_all('a', class_='1'), ['Class 1.'])
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296 self.assertSelects(tree.find_all('c', class_='3'), ['Class 3 and 4.'])
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297 self.assertSelects(tree.find_all('c', class_='4'), ['Class 3 and 4.'])
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298
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299 # Passing in a string to 'attrs' will also search the CSS class.
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300 self.assertSelects(tree.find_all('a', '1'), ['Class 1.'])
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301 self.assertSelects(tree.find_all(attrs='1'), ['Class 1.', 'Class 1.'])
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302 self.assertSelects(tree.find_all('c', '3'), ['Class 3 and 4.'])
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303 self.assertSelects(tree.find_all('c', '4'), ['Class 3 and 4.'])
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304
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305 def test_find_by_class_when_multiple_classes_present(self):
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306 tree = self.soup("<gar class='foo bar'>Found it</gar>")
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307
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308 f = tree.find_all("gar", class_=re.compile("o"))
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309 self.assertSelects(f, ["Found it"])
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310
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311 f = tree.find_all("gar", class_=re.compile("a"))
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312 self.assertSelects(f, ["Found it"])
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313
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314 # If the search fails to match the individual strings "foo" and "bar",
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315 # it will be tried against the combined string "foo bar".
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316 f = tree.find_all("gar", class_=re.compile("o b"))
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317 self.assertSelects(f, ["Found it"])
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318
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319 def test_find_all_with_non_dictionary_for_attrs_finds_by_class(self):
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320 soup = self.soup("<a class='bar'>Found it</a>")
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321
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322 self.assertSelects(soup.find_all("a", re.compile("ba")), ["Found it"])
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323
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324 def big_attribute_value(value):
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325 return len(value) > 3
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326
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327 self.assertSelects(soup.find_all("a", big_attribute_value), [])
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328
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329 def small_attribute_value(value):
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330 return len(value) <= 3
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331
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332 self.assertSelects(
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333 soup.find_all("a", small_attribute_value), ["Found it"])
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334
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335 def test_find_all_with_string_for_attrs_finds_multiple_classes(self):
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336 soup = self.soup('<a class="foo bar"></a><a class="foo"></a>')
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337 a, a2 = soup.find_all("a")
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338 self.assertEqual([a, a2], soup.find_all("a", "foo"))
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339 self.assertEqual([a], soup.find_all("a", "bar"))
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340
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341 # If you specify the class as a string that contains a
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342 # space, only that specific value will be found.
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343 self.assertEqual([a], soup.find_all("a", class_="foo bar"))
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344 self.assertEqual([a], soup.find_all("a", "foo bar"))
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345 self.assertEqual([], soup.find_all("a", "bar foo"))
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346
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347 def test_find_all_by_attribute_soupstrainer(self):
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348 tree = self.soup("""
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349 <a id="first">Match.</a>
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350 <a id="second">Non-match.</a>""")
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351
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352 strainer = SoupStrainer(attrs={'id' : 'first'})
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353 self.assertSelects(tree.find_all(strainer), ['Match.'])
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354
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355 def test_find_all_with_missing_attribute(self):
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356 # You can pass in None as the value of an attribute to find_all.
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357 # This will match tags that do not have that attribute set.
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358 tree = self.soup("""<a id="1">ID present.</a>
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359 <a>No ID present.</a>
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360 <a id="">ID is empty.</a>""")
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361 self.assertSelects(tree.find_all('a', id=None), ["No ID present."])
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362
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363 def test_find_all_with_defined_attribute(self):
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364 # You can pass in None as the value of an attribute to find_all.
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365 # This will match tags that have that attribute set to any value.
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366 tree = self.soup("""<a id="1">ID present.</a>
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367 <a>No ID present.</a>
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368 <a id="">ID is empty.</a>""")
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369 self.assertSelects(
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370 tree.find_all(id=True), ["ID present.", "ID is empty."])
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371
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372 def test_find_all_with_numeric_attribute(self):
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373 # If you search for a number, it's treated as a string.
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374 tree = self.soup("""<a id=1>Unquoted attribute.</a>
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375 <a id="1">Quoted attribute.</a>""")
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376
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377 expected = ["Unquoted attribute.", "Quoted attribute."]
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378 self.assertSelects(tree.find_all(id=1), expected)
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379 self.assertSelects(tree.find_all(id="1"), expected)
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380
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381 def test_find_all_with_list_attribute_values(self):
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382 # You can pass a list of attribute values instead of just one,
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383 # and you'll get tags that match any of the values.
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384 tree = self.soup("""<a id="1">1</a>
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385 <a id="2">2</a>
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386 <a id="3">3</a>
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387 <a>No ID.</a>""")
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388 self.assertSelects(tree.find_all(id=["1", "3", "4"]),
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389 ["1", "3"])
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390
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391 def test_find_all_with_regular_expression_attribute_value(self):
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392 # You can pass a regular expression as an attribute value, and
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393 # you'll get tags whose values for that attribute match the
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394 # regular expression.
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395 tree = self.soup("""<a id="a">One a.</a>
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396 <a id="aa">Two as.</a>
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397 <a id="ab">Mixed as and bs.</a>
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398 <a id="b">One b.</a>
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399 <a>No ID.</a>""")
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400
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401 self.assertSelects(tree.find_all(id=re.compile("^a+$")),
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402 ["One a.", "Two as."])
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403
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404 def test_find_by_name_and_containing_string(self):
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405 soup = self.soup("<b>foo</b><b>bar</b><a>foo</a>")
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406 a = soup.a
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407
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408 self.assertEqual([a], soup.find_all("a", text="foo"))
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409 self.assertEqual([], soup.find_all("a", text="bar"))
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410 self.assertEqual([], soup.find_all("a", text="bar"))
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411
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412 def test_find_by_name_and_containing_string_when_string_is_buried(self):
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413 soup = self.soup("<a>foo</a><a><b><c>foo</c></b></a>")
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414 self.assertEqual(soup.find_all("a"), soup.find_all("a", text="foo"))
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415
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416 def test_find_by_attribute_and_containing_string(self):
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417 soup = self.soup('<b id="1">foo</b><a id="2">foo</a>')
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418 a = soup.a
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419
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420 self.assertEqual([a], soup.find_all(id=2, text="foo"))
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421 self.assertEqual([], soup.find_all(id=1, text="bar"))
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422
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423
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424 class TestSmooth(TreeTest):
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425 """Test Tag.smooth."""
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426
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427 def test_smooth(self):
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428 soup = self.soup("<div>a</div>")
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429 div = soup.div
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430 div.append("b")
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431 div.append("c")
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432 div.append(Comment("Comment 1"))
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433 div.append(Comment("Comment 2"))
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434 div.append("d")
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435 builder = self.default_builder()
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436 span = Tag(soup, builder, 'span')
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437 span.append('1')
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438 span.append('2')
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439 div.append(span)
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440
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441 # At this point the tree has a bunch of adjacent
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442 # NavigableStrings. This is normal, but it has no meaning in
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443 # terms of HTML, so we may want to smooth things out for
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444 # output.
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445
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446 # Since the <span> tag has two children, its .string is None.
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447 self.assertEqual(None, div.span.string)
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448
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449 self.assertEqual(7, len(div.contents))
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450 div.smooth()
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451 self.assertEqual(5, len(div.contents))
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452
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453 # The three strings at the beginning of div.contents have been
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454 # merged into on string.
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455 #
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456 self.assertEqual('abc', div.contents[0])
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457
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458 # The call is recursive -- the <span> tag was also smoothed.
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459 self.assertEqual('12', div.span.string)
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460
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461 # The two comments have _not_ been merged, even though
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462 # comments are strings. Merging comments would change the
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463 # meaning of the HTML.
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464 self.assertEqual('Comment 1', div.contents[1])
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465 self.assertEqual('Comment 2', div.contents[2])
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466
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467
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468 class TestIndex(TreeTest):
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469 """Test Tag.index"""
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470 def test_index(self):
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471 tree = self.soup("""<div>
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472 <a>Identical</a>
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473 <b>Not identical</b>
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474 <a>Identical</a>
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475
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476 <c><d>Identical with child</d></c>
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477 <b>Also not identical</b>
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478 <c><d>Identical with child</d></c>
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479 </div>""")
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480 div = tree.div
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481 for i, element in enumerate(div.contents):
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482 self.assertEqual(i, div.index(element))
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483 self.assertRaises(ValueError, tree.index, 1)
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484
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485
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486 class TestParentOperations(TreeTest):
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487 """Test navigation and searching through an element's parents."""
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488
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489 def setUp(self):
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490 super(TestParentOperations, self).setUp()
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491 self.tree = self.soup('''<ul id="empty"></ul>
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492 <ul id="top">
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493 <ul id="middle">
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494 <ul id="bottom">
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495 <b>Start here</b>
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496 </ul>
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497 </ul>''')
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498 self.start = self.tree.b
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499
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500
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501 def test_parent(self):
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502 self.assertEqual(self.start.parent['id'], 'bottom')
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503 self.assertEqual(self.start.parent.parent['id'], 'middle')
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504 self.assertEqual(self.start.parent.parent.parent['id'], 'top')
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505
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506 def test_parent_of_top_tag_is_soup_object(self):
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507 top_tag = self.tree.contents[0]
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508 self.assertEqual(top_tag.parent, self.tree)
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509
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510 def test_soup_object_has_no_parent(self):
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511 self.assertEqual(None, self.tree.parent)
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512
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513 def test_find_parents(self):
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514 self.assertSelectsIDs(
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515 self.start.find_parents('ul'), ['bottom', 'middle', 'top'])
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516 self.assertSelectsIDs(
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517 self.start.find_parents('ul', id="middle"), ['middle'])
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518
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519 def test_find_parent(self):
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520 self.assertEqual(self.start.find_parent('ul')['id'], 'bottom')
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521 self.assertEqual(self.start.find_parent('ul', id='top')['id'], 'top')
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522
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523 def test_parent_of_text_element(self):
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524 text = self.tree.find(text="Start here")
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525 self.assertEqual(text.parent.name, 'b')
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526
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527 def test_text_element_find_parent(self):
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528 text = self.tree.find(text="Start here")
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529 self.assertEqual(text.find_parent('ul')['id'], 'bottom')
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530
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531 def test_parent_generator(self):
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532 parents = [parent['id'] for parent in self.start.parents
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533 if parent is not None and 'id' in parent.attrs]
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534 self.assertEqual(parents, ['bottom', 'middle', 'top'])
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535
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536
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537 class ProximityTest(TreeTest):
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538
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539 def setUp(self):
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540 super(TreeTest, self).setUp()
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541 self.tree = self.soup(
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542 '<html id="start"><head></head><body><b id="1">One</b><b id="2">Two</b><b id="3">Three</b></body></html>')
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543
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544
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545 class TestNextOperations(ProximityTest):
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546
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547 def setUp(self):
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548 super(TestNextOperations, self).setUp()
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549 self.start = self.tree.b
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550
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551 def test_next(self):
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552 self.assertEqual(self.start.next_element, "One")
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553 self.assertEqual(self.start.next_element.next_element['id'], "2")
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554
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555 def test_next_of_last_item_is_none(self):
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556 last = self.tree.find(text="Three")
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557 self.assertEqual(last.next_element, None)
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558
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559 def test_next_of_root_is_none(self):
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560 # The document root is outside the next/previous chain.
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561 self.assertEqual(self.tree.next_element, None)
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562
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563 def test_find_all_next(self):
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564 self.assertSelects(self.start.find_all_next('b'), ["Two", "Three"])
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565 self.start.find_all_next(id=3)
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566 self.assertSelects(self.start.find_all_next(id=3), ["Three"])
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567
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568 def test_find_next(self):
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569 self.assertEqual(self.start.find_next('b')['id'], '2')
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570 self.assertEqual(self.start.find_next(text="Three"), "Three")
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571
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572 def test_find_next_for_text_element(self):
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573 text = self.tree.find(text="One")
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574 self.assertEqual(text.find_next("b").string, "Two")
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575 self.assertSelects(text.find_all_next("b"), ["Two", "Three"])
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576
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577 def test_next_generator(self):
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578 start = self.tree.find(text="Two")
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579 successors = [node for node in start.next_elements]
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580 # There are two successors: the final <b> tag and its text contents.
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581 tag, contents = successors
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582 self.assertEqual(tag['id'], '3')
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583 self.assertEqual(contents, "Three")
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584
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585 class TestPreviousOperations(ProximityTest):
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586
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587 def setUp(self):
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588 super(TestPreviousOperations, self).setUp()
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589 self.end = self.tree.find(text="Three")
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590
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591 def test_previous(self):
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592 self.assertEqual(self.end.previous_element['id'], "3")
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593 self.assertEqual(self.end.previous_element.previous_element, "Two")
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594
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595 def test_previous_of_first_item_is_none(self):
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596 first = self.tree.find('html')
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597 self.assertEqual(first.previous_element, None)
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598
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599 def test_previous_of_root_is_none(self):
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600 # The document root is outside the next/previous chain.
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601 # XXX This is broken!
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602 #self.assertEqual(self.tree.previous_element, None)
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603 pass
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604
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605 def test_find_all_previous(self):
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606 # The <b> tag containing the "Three" node is the predecessor
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607 # of the "Three" node itself, which is why "Three" shows up
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608 # here.
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609 self.assertSelects(
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610 self.end.find_all_previous('b'), ["Three", "Two", "One"])
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611 self.assertSelects(self.end.find_all_previous(id=1), ["One"])
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612
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613 def test_find_previous(self):
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614 self.assertEqual(self.end.find_previous('b')['id'], '3')
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615 self.assertEqual(self.end.find_previous(text="One"), "One")
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616
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617 def test_find_previous_for_text_element(self):
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618 text = self.tree.find(text="Three")
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619 self.assertEqual(text.find_previous("b").string, "Three")
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620 self.assertSelects(
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621 text.find_all_previous("b"), ["Three", "Two", "One"])
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622
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623 def test_previous_generator(self):
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624 start = self.tree.find(text="One")
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625 predecessors = [node for node in start.previous_elements]
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626
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627 # There are four predecessors: the <b> tag containing "One"
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628 # the <body> tag, the <head> tag, and the <html> tag.
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629 b, body, head, html = predecessors
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630 self.assertEqual(b['id'], '1')
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631 self.assertEqual(body.name, "body")
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632 self.assertEqual(head.name, "head")
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633 self.assertEqual(html.name, "html")
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634
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635
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636 class SiblingTest(TreeTest):
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637
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638 def setUp(self):
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639 super(SiblingTest, self).setUp()
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640 markup = '''<html>
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641 <span id="1">
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642 <span id="1.1"></span>
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643 </span>
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644 <span id="2">
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645 <span id="2.1"></span>
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646 </span>
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647 <span id="3">
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648 <span id="3.1"></span>
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649 </span>
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650 <span id="4"></span>
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651 </html>'''
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652 # All that whitespace looks good but makes the tests more
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653 # difficult. Get rid of it.
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654 markup = re.compile(r"\n\s*").sub("", markup)
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655 self.tree = self.soup(markup)
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656
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657
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658 class TestNextSibling(SiblingTest):
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659
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660 def setUp(self):
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661 super(TestNextSibling, self).setUp()
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662 self.start = self.tree.find(id="1")
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663
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664 def test_next_sibling_of_root_is_none(self):
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665 self.assertEqual(self.tree.next_sibling, None)
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666
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667 def test_next_sibling(self):
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668 self.assertEqual(self.start.next_sibling['id'], '2')
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669 self.assertEqual(self.start.next_sibling.next_sibling['id'], '3')
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670
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671 # Note the difference between next_sibling and next_element.
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672 self.assertEqual(self.start.next_element['id'], '1.1')
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673
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674 def test_next_sibling_may_not_exist(self):
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675 self.assertEqual(self.tree.html.next_sibling, None)
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676
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677 nested_span = self.tree.find(id="1.1")
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678 self.assertEqual(nested_span.next_sibling, None)
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679
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680 last_span = self.tree.find(id="4")
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681 self.assertEqual(last_span.next_sibling, None)
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682
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683 def test_find_next_sibling(self):
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684 self.assertEqual(self.start.find_next_sibling('span')['id'], '2')
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685
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686 def test_next_siblings(self):
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687 self.assertSelectsIDs(self.start.find_next_siblings("span"),
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688 ['2', '3', '4'])
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689
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690 self.assertSelectsIDs(self.start.find_next_siblings(id='3'), ['3'])
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691
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692 def test_next_sibling_for_text_element(self):
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693 soup = self.soup("Foo<b>bar</b>baz")
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694 start = soup.find(text="Foo")
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695 self.assertEqual(start.next_sibling.name, 'b')
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696 self.assertEqual(start.next_sibling.next_sibling, 'baz')
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697
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698 self.assertSelects(start.find_next_siblings('b'), ['bar'])
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699 self.assertEqual(start.find_next_sibling(text="baz"), "baz")
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700 self.assertEqual(start.find_next_sibling(text="nonesuch"), None)
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701
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702
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703 class TestPreviousSibling(SiblingTest):
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704
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705 def setUp(self):
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706 super(TestPreviousSibling, self).setUp()
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707 self.end = self.tree.find(id="4")
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708
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709 def test_previous_sibling_of_root_is_none(self):
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710 self.assertEqual(self.tree.previous_sibling, None)
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711
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712 def test_previous_sibling(self):
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713 self.assertEqual(self.end.previous_sibling['id'], '3')
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714 self.assertEqual(self.end.previous_sibling.previous_sibling['id'], '2')
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715
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716 # Note the difference between previous_sibling and previous_element.
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717 self.assertEqual(self.end.previous_element['id'], '3.1')
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718
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719 def test_previous_sibling_may_not_exist(self):
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720 self.assertEqual(self.tree.html.previous_sibling, None)
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721
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722 nested_span = self.tree.find(id="1.1")
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723 self.assertEqual(nested_span.previous_sibling, None)
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724
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725 first_span = self.tree.find(id="1")
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726 self.assertEqual(first_span.previous_sibling, None)
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727
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728 def test_find_previous_sibling(self):
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729 self.assertEqual(self.end.find_previous_sibling('span')['id'], '3')
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730
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731 def test_previous_siblings(self):
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732 self.assertSelectsIDs(self.end.find_previous_siblings("span"),
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733 ['3', '2', '1'])
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734
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735 self.assertSelectsIDs(self.end.find_previous_siblings(id='1'), ['1'])
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736
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737 def test_previous_sibling_for_text_element(self):
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738 soup = self.soup("Foo<b>bar</b>baz")
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739 start = soup.find(text="baz")
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740 self.assertEqual(start.previous_sibling.name, 'b')
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741 self.assertEqual(start.previous_sibling.previous_sibling, 'Foo')
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742
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743 self.assertSelects(start.find_previous_siblings('b'), ['bar'])
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744 self.assertEqual(start.find_previous_sibling(text="Foo"), "Foo")
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745 self.assertEqual(start.find_previous_sibling(text="nonesuch"), None)
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746
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747
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748 class TestTag(SoupTest):
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749
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750 # Test various methods of Tag.
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751
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752 def test__should_pretty_print(self):
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753 # Test the rules about when a tag should be pretty-printed.
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754 tag = self.soup("").new_tag("a_tag")
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755
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756 # No list of whitespace-preserving tags -> pretty-print
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757 tag._preserve_whitespace_tags = None
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758 self.assertEqual(True, tag._should_pretty_print(0))
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759
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760 # List exists but tag is not on the list -> pretty-print
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diff changeset
761 tag.preserve_whitespace_tags = ["some_other_tag"]
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diff changeset
762 self.assertEqual(True, tag._should_pretty_print(1))
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diff changeset
763
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diff changeset
764 # Indent level is None -> don't pretty-print
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diff changeset
765 self.assertEqual(False, tag._should_pretty_print(None))
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diff changeset
766
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parents:
diff changeset
767 # Tag is on the whitespace-preserving list -> don't pretty-print
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diff changeset
768 tag.preserve_whitespace_tags = ["some_other_tag", "a_tag"]
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diff changeset
769 self.assertEqual(False, tag._should_pretty_print(1))
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diff changeset
770
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diff changeset
771
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diff changeset
772 class TestTagCreation(SoupTest):
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parents:
diff changeset
773 """Test the ability to create new tags."""
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diff changeset
774 def test_new_tag(self):
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diff changeset
775 soup = self.soup("")
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diff changeset
776 new_tag = soup.new_tag("foo", bar="baz", attrs={"name": "a name"})
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diff changeset
777 self.assertTrue(isinstance(new_tag, Tag))
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diff changeset
778 self.assertEqual("foo", new_tag.name)
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diff changeset
779 self.assertEqual(dict(bar="baz", name="a name"), new_tag.attrs)
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diff changeset
780 self.assertEqual(None, new_tag.parent)
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781
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diff changeset
782 def test_tag_inherits_self_closing_rules_from_builder(self):
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diff changeset
783 if XML_BUILDER_PRESENT:
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diff changeset
784 xml_soup = BeautifulSoup("", "lxml-xml")
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diff changeset
785 xml_br = xml_soup.new_tag("br")
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diff changeset
786 xml_p = xml_soup.new_tag("p")
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787
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788 # Both the <br> and <p> tag are empty-element, just because
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789 # they have no contents.
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790 self.assertEqual(b"<br/>", xml_br.encode())
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791 self.assertEqual(b"<p/>", xml_p.encode())
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792
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793 html_soup = BeautifulSoup("", "html.parser")
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diff changeset
794 html_br = html_soup.new_tag("br")
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diff changeset
795 html_p = html_soup.new_tag("p")
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diff changeset
796
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parents:
diff changeset
797 # The HTML builder users HTML's rules about which tags are
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diff changeset
798 # empty-element tags, and the new tags reflect these rules.
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diff changeset
799 self.assertEqual(b"<br/>", html_br.encode())
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800 self.assertEqual(b"<p></p>", html_p.encode())
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801
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802 def test_new_string_creates_navigablestring(self):
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803 soup = self.soup("")
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diff changeset
804 s = soup.new_string("foo")
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diff changeset
805 self.assertEqual("foo", s)
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diff changeset
806 self.assertTrue(isinstance(s, NavigableString))
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807
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808 def test_new_string_can_create_navigablestring_subclass(self):
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809 soup = self.soup("")
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810 s = soup.new_string("foo", Comment)
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diff changeset
811 self.assertEqual("foo", s)
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diff changeset
812 self.assertTrue(isinstance(s, Comment))
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813
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814 class TestTreeModification(SoupTest):
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815
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816 def test_attribute_modification(self):
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diff changeset
817 soup = self.soup('<a id="1"></a>')
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diff changeset
818 soup.a['id'] = 2
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diff changeset
819 self.assertEqual(soup.decode(), self.document_for('<a id="2"></a>'))
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820 del(soup.a['id'])
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diff changeset
821 self.assertEqual(soup.decode(), self.document_for('<a></a>'))
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822 soup.a['id2'] = 'foo'
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diff changeset
823 self.assertEqual(soup.decode(), self.document_for('<a id2="foo"></a>'))
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diff changeset
824
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825 def test_new_tag_creation(self):
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826 builder = builder_registry.lookup('html')()
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827 soup = self.soup("<body></body>", builder=builder)
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828 a = Tag(soup, builder, 'a')
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829 ol = Tag(soup, builder, 'ol')
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830 a['href'] = 'http://foo.com/'
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diff changeset
831 soup.body.insert(0, a)
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diff changeset
832 soup.body.insert(1, ol)
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diff changeset
833 self.assertEqual(
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834 soup.body.encode(),
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835 b'<body><a href="http://foo.com/"></a><ol></ol></body>')
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836
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837 def test_append_to_contents_moves_tag(self):
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838 doc = """<p id="1">Don't leave me <b>here</b>.</p>
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839 <p id="2">Don\'t leave!</p>"""
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diff changeset
840 soup = self.soup(doc)
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841 second_para = soup.find(id='2')
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842 bold = soup.b
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843
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844 # Move the <b> tag to the end of the second paragraph.
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845 soup.find(id='2').append(soup.b)
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846
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847 # The <b> tag is now a child of the second paragraph.
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848 self.assertEqual(bold.parent, second_para)
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849
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850 self.assertEqual(
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851 soup.decode(), self.document_for(
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852 '<p id="1">Don\'t leave me .</p>\n'
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diff changeset
853 '<p id="2">Don\'t leave!<b>here</b></p>'))
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854
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855 def test_replace_with_returns_thing_that_was_replaced(self):
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856 text = "<a></a><b><c></c></b>"
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857 soup = self.soup(text)
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diff changeset
858 a = soup.a
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859 new_a = a.replace_with(soup.c)
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diff changeset
860 self.assertEqual(a, new_a)
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861
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862 def test_unwrap_returns_thing_that_was_replaced(self):
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863 text = "<a><b></b><c></c></a>"
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diff changeset
864 soup = self.soup(text)
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diff changeset
865 a = soup.a
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866 new_a = a.unwrap()
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diff changeset
867 self.assertEqual(a, new_a)
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868
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869 def test_replace_with_and_unwrap_give_useful_exception_when_tag_has_no_parent(self):
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870 soup = self.soup("<a><b>Foo</b></a><c>Bar</c>")
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871 a = soup.a
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872 a.extract()
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873 self.assertEqual(None, a.parent)
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diff changeset
874 self.assertRaises(ValueError, a.unwrap)
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diff changeset
875 self.assertRaises(ValueError, a.replace_with, soup.c)
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876
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877 def test_replace_tag_with_itself(self):
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878 text = "<a><b></b><c>Foo<d></d></c></a><a><e></e></a>"
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879 soup = self.soup(text)
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880 c = soup.c
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diff changeset
881 soup.c.replace_with(c)
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diff changeset
882 self.assertEqual(soup.decode(), self.document_for(text))
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883
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diff changeset
884 def test_replace_tag_with_its_parent_raises_exception(self):
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guerler
parents:
diff changeset
885 text = "<a><b></b></a>"
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parents:
diff changeset
886 soup = self.soup(text)
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parents:
diff changeset
887 self.assertRaises(ValueError, soup.b.replace_with, soup.a)
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parents:
diff changeset
888
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diff changeset
889 def test_insert_tag_into_itself_raises_exception(self):
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parents:
diff changeset
890 text = "<a><b></b></a>"
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parents:
diff changeset
891 soup = self.soup(text)
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parents:
diff changeset
892 self.assertRaises(ValueError, soup.a.insert, 0, soup.a)
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parents:
diff changeset
893
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parents:
diff changeset
894 def test_insert_beautifulsoup_object_inserts_children(self):
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diff changeset
895 """Inserting one BeautifulSoup object into another actually inserts all
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
896 of its children -- you'll never combine BeautifulSoup objects.
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diff changeset
897 """
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diff changeset
898 soup = self.soup("<p>And now, a word:</p><p>And we're back.</p>")
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diff changeset
899
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diff changeset
900 text = "<p>p2</p><p>p3</p>"
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guerler
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diff changeset
901 to_insert = self.soup(text)
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parents:
diff changeset
902 soup.insert(1, to_insert)
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parents:
diff changeset
903
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diff changeset
904 for i in soup.descendants:
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guerler
parents:
diff changeset
905 assert not isinstance(i, BeautifulSoup)
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parents:
diff changeset
906
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parents:
diff changeset
907 p1, p2, p3, p4 = list(soup.children)
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parents:
diff changeset
908 self.assertEqual("And now, a word:", p1.string)
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parents:
diff changeset
909 self.assertEqual("p2", p2.string)
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parents:
diff changeset
910 self.assertEqual("p3", p3.string)
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parents:
diff changeset
911 self.assertEqual("And we're back.", p4.string)
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parents:
diff changeset
912
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diff changeset
913
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diff changeset
914 def test_replace_with_maintains_next_element_throughout(self):
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diff changeset
915 soup = self.soup('<p><a>one</a><b>three</b></p>')
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diff changeset
916 a = soup.a
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parents:
diff changeset
917 b = a.contents[0]
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parents:
diff changeset
918 # Make it so the <a> tag has two text children.
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parents:
diff changeset
919 a.insert(1, "two")
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diff changeset
920
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parents:
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921 # Now replace each one with the empty string.
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parents:
diff changeset
922 left, right = a.contents
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parents:
diff changeset
923 left.replaceWith('')
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parents:
diff changeset
924 right.replaceWith('')
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diff changeset
925
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diff changeset
926 # The <b> tag is still connected to the tree.
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parents:
diff changeset
927 self.assertEqual("three", soup.b.string)
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parents:
diff changeset
928
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parents:
diff changeset
929 def test_replace_final_node(self):
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parents:
diff changeset
930 soup = self.soup("<b>Argh!</b>")
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parents:
diff changeset
931 soup.find(text="Argh!").replace_with("Hooray!")
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parents:
diff changeset
932 new_text = soup.find(text="Hooray!")
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parents:
diff changeset
933 b = soup.b
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parents:
diff changeset
934 self.assertEqual(new_text.previous_element, b)
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parents:
diff changeset
935 self.assertEqual(new_text.parent, b)
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parents:
diff changeset
936 self.assertEqual(new_text.previous_element.next_element, new_text)
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diff changeset
937 self.assertEqual(new_text.next_element, None)
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diff changeset
938
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diff changeset
939 def test_consecutive_text_nodes(self):
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parents:
diff changeset
940 # A builder should never create two consecutive text nodes,
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parents:
diff changeset
941 # but if you insert one next to another, Beautiful Soup will
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parents:
diff changeset
942 # handle it correctly.
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diff changeset
943 soup = self.soup("<a><b>Argh!</b><c></c></a>")
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diff changeset
944 soup.b.insert(1, "Hooray!")
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diff changeset
945
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diff changeset
946 self.assertEqual(
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diff changeset
947 soup.decode(), self.document_for(
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parents:
diff changeset
948 "<a><b>Argh!Hooray!</b><c></c></a>"))
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diff changeset
949
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950 new_text = soup.find(text="Hooray!")
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parents:
diff changeset
951 self.assertEqual(new_text.previous_element, "Argh!")
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diff changeset
952 self.assertEqual(new_text.previous_element.next_element, new_text)
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diff changeset
953
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diff changeset
954 self.assertEqual(new_text.previous_sibling, "Argh!")
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diff changeset
955 self.assertEqual(new_text.previous_sibling.next_sibling, new_text)
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diff changeset
956
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diff changeset
957 self.assertEqual(new_text.next_sibling, None)
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diff changeset
958 self.assertEqual(new_text.next_element, soup.c)
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diff changeset
959
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960 def test_insert_string(self):
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diff changeset
961 soup = self.soup("<a></a>")
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diff changeset
962 soup.a.insert(0, "bar")
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diff changeset
963 soup.a.insert(0, "foo")
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parents:
diff changeset
964 # The string were added to the tag.
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parents:
diff changeset
965 self.assertEqual(["foo", "bar"], soup.a.contents)
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parents:
diff changeset
966 # And they were converted to NavigableStrings.
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parents:
diff changeset
967 self.assertEqual(soup.a.contents[0].next_element, "bar")
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diff changeset
968
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969 def test_insert_tag(self):
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diff changeset
970 builder = self.default_builder()
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diff changeset
971 soup = self.soup(
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diff changeset
972 "<a><b>Find</b><c>lady!</c><d></d></a>", builder=builder)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
973 magic_tag = Tag(soup, builder, 'magictag')
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parents:
diff changeset
974 magic_tag.insert(0, "the")
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diff changeset
975 soup.a.insert(1, magic_tag)
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diff changeset
976
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diff changeset
977 self.assertEqual(
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diff changeset
978 soup.decode(), self.document_for(
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diff changeset
979 "<a><b>Find</b><magictag>the</magictag><c>lady!</c><d></d></a>"))
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parents:
diff changeset
980
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parents:
diff changeset
981 # Make sure all the relationships are hooked up correctly.
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parents:
diff changeset
982 b_tag = soup.b
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parents:
diff changeset
983 self.assertEqual(b_tag.next_sibling, magic_tag)
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guerler
parents:
diff changeset
984 self.assertEqual(magic_tag.previous_sibling, b_tag)
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diff changeset
985
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diff changeset
986 find = b_tag.find(text="Find")
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diff changeset
987 self.assertEqual(find.next_element, magic_tag)
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diff changeset
988 self.assertEqual(magic_tag.previous_element, find)
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diff changeset
989
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990 c_tag = soup.c
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diff changeset
991 self.assertEqual(magic_tag.next_sibling, c_tag)
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parents:
diff changeset
992 self.assertEqual(c_tag.previous_sibling, magic_tag)
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parents:
diff changeset
993
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parents:
diff changeset
994 the = magic_tag.find(text="the")
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parents:
diff changeset
995 self.assertEqual(the.parent, magic_tag)
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parents:
diff changeset
996 self.assertEqual(the.next_element, c_tag)
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parents:
diff changeset
997 self.assertEqual(c_tag.previous_element, the)
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998
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diff changeset
999 def test_append_child_thats_already_at_the_end(self):
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diff changeset
1000 data = "<a><b></b></a>"
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parents:
diff changeset
1001 soup = self.soup(data)
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parents:
diff changeset
1002 soup.a.append(soup.b)
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parents:
diff changeset
1003 self.assertEqual(data, soup.decode())
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parents:
diff changeset
1004
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parents:
diff changeset
1005 def test_extend(self):
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parents:
diff changeset
1006 data = "<a><b><c><d><e><f><g></g></f></e></d></c></b></a>"
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parents:
diff changeset
1007 soup = self.soup(data)
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parents:
diff changeset
1008 l = [soup.g, soup.f, soup.e, soup.d, soup.c, soup.b]
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guerler
parents:
diff changeset
1009 soup.a.extend(l)
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parents:
diff changeset
1010 self.assertEqual("<a><g></g><f></f><e></e><d></d><c></c><b></b></a>", soup.decode())
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parents:
diff changeset
1011
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parents:
diff changeset
1012 def test_move_tag_to_beginning_of_parent(self):
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parents:
diff changeset
1013 data = "<a><b></b><c></c><d></d></a>"
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parents:
diff changeset
1014 soup = self.soup(data)
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parents:
diff changeset
1015 soup.a.insert(0, soup.d)
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parents:
diff changeset
1016 self.assertEqual("<a><d></d><b></b><c></c></a>", soup.decode())
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guerler
parents:
diff changeset
1017
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parents:
diff changeset
1018 def test_insert_works_on_empty_element_tag(self):
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guerler
parents:
diff changeset
1019 # This is a little strange, since most HTML parsers don't allow
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parents:
diff changeset
1020 # markup like this to come through. But in general, we don't
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parents:
diff changeset
1021 # know what the parser would or wouldn't have allowed, so
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parents:
diff changeset
1022 # I'm letting this succeed for now.
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parents:
diff changeset
1023 soup = self.soup("<br/>")
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parents:
diff changeset
1024 soup.br.insert(1, "Contents")
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guerler
parents:
diff changeset
1025 self.assertEqual(str(soup.br), "<br>Contents</br>")
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guerler
parents:
diff changeset
1026
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parents:
diff changeset
1027 def test_insert_before(self):
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parents:
diff changeset
1028 soup = self.soup("<a>foo</a><b>bar</b>")
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guerler
parents:
diff changeset
1029 soup.b.insert_before("BAZ")
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parents:
diff changeset
1030 soup.a.insert_before("QUUX")
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parents:
diff changeset
1031 self.assertEqual(
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parents:
diff changeset
1032 soup.decode(), self.document_for("QUUX<a>foo</a>BAZ<b>bar</b>"))
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guerler
parents:
diff changeset
1033
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parents:
diff changeset
1034 soup.a.insert_before(soup.b)
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parents:
diff changeset
1035 self.assertEqual(
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parents:
diff changeset
1036 soup.decode(), self.document_for("QUUX<b>bar</b><a>foo</a>BAZ"))
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guerler
parents:
diff changeset
1037
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parents:
diff changeset
1038 # Can't insert an element before itself.
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parents:
diff changeset
1039 b = soup.b
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parents:
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1040 self.assertRaises(ValueError, b.insert_before, b)
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parents:
diff changeset
1041
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parents:
diff changeset
1042 # Can't insert before if an element has no parent.
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parents:
diff changeset
1043 b.extract()
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parents:
diff changeset
1044 self.assertRaises(ValueError, b.insert_before, "nope")
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guerler
parents:
diff changeset
1045
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guerler
parents:
diff changeset
1046 # Can insert an identical element
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parents:
diff changeset
1047 soup = self.soup("<a>")
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parents:
diff changeset
1048 soup.a.insert_before(soup.new_tag("a"))
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parents:
diff changeset
1049
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parents:
diff changeset
1050 def test_insert_multiple_before(self):
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parents:
diff changeset
1051 soup = self.soup("<a>foo</a><b>bar</b>")
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parents:
diff changeset
1052 soup.b.insert_before("BAZ", " ", "QUUX")
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parents:
diff changeset
1053 soup.a.insert_before("QUUX", " ", "BAZ")
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parents:
diff changeset
1054 self.assertEqual(
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1055 soup.decode(), self.document_for("QUUX BAZ<a>foo</a>BAZ QUUX<b>bar</b>"))
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parents:
diff changeset
1056
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parents:
diff changeset
1057 soup.a.insert_before(soup.b, "FOO")
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parents:
diff changeset
1058 self.assertEqual(
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diff changeset
1059 soup.decode(), self.document_for("QUUX BAZ<b>bar</b>FOO<a>foo</a>BAZ QUUX"))
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guerler
parents:
diff changeset
1060
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parents:
diff changeset
1061 def test_insert_after(self):
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parents:
diff changeset
1062 soup = self.soup("<a>foo</a><b>bar</b>")
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parents:
diff changeset
1063 soup.b.insert_after("BAZ")
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parents:
diff changeset
1064 soup.a.insert_after("QUUX")
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parents:
diff changeset
1065 self.assertEqual(
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diff changeset
1066 soup.decode(), self.document_for("<a>foo</a>QUUX<b>bar</b>BAZ"))
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parents:
diff changeset
1067 soup.b.insert_after(soup.a)
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parents:
diff changeset
1068 self.assertEqual(
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diff changeset
1069 soup.decode(), self.document_for("QUUX<b>bar</b><a>foo</a>BAZ"))
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guerler
parents:
diff changeset
1070
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parents:
diff changeset
1071 # Can't insert an element after itself.
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parents:
diff changeset
1072 b = soup.b
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parents:
diff changeset
1073 self.assertRaises(ValueError, b.insert_after, b)
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parents:
diff changeset
1074
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parents:
diff changeset
1075 # Can't insert after if an element has no parent.
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parents:
diff changeset
1076 b.extract()
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parents:
diff changeset
1077 self.assertRaises(ValueError, b.insert_after, "nope")
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guerler
parents:
diff changeset
1078
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parents:
diff changeset
1079 # Can insert an identical element
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parents:
diff changeset
1080 soup = self.soup("<a>")
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parents:
diff changeset
1081 soup.a.insert_before(soup.new_tag("a"))
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parents:
diff changeset
1082
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parents:
diff changeset
1083 def test_insert_multiple_after(self):
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parents:
diff changeset
1084 soup = self.soup("<a>foo</a><b>bar</b>")
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parents:
diff changeset
1085 soup.b.insert_after("BAZ", " ", "QUUX")
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parents:
diff changeset
1086 soup.a.insert_after("QUUX", " ", "BAZ")
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parents:
diff changeset
1087 self.assertEqual(
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diff changeset
1088 soup.decode(), self.document_for("<a>foo</a>QUUX BAZ<b>bar</b>BAZ QUUX"))
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parents:
diff changeset
1089 soup.b.insert_after(soup.a, "FOO ")
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parents:
diff changeset
1090 self.assertEqual(
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diff changeset
1091 soup.decode(), self.document_for("QUUX BAZ<b>bar</b><a>foo</a>FOO BAZ QUUX"))
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parents:
diff changeset
1092
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parents:
diff changeset
1093 def test_insert_after_raises_exception_if_after_has_no_meaning(self):
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parents:
diff changeset
1094 soup = self.soup("")
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parents:
diff changeset
1095 tag = soup.new_tag("a")
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parents:
diff changeset
1096 string = soup.new_string("")
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parents:
diff changeset
1097 self.assertRaises(ValueError, string.insert_after, tag)
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parents:
diff changeset
1098 self.assertRaises(NotImplementedError, soup.insert_after, tag)
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parents:
diff changeset
1099 self.assertRaises(ValueError, tag.insert_after, tag)
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parents:
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1100
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parents:
diff changeset
1101 def test_insert_before_raises_notimplementederror_if_before_has_no_meaning(self):
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parents:
diff changeset
1102 soup = self.soup("")
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parents:
diff changeset
1103 tag = soup.new_tag("a")
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parents:
diff changeset
1104 string = soup.new_string("")
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parents:
diff changeset
1105 self.assertRaises(ValueError, string.insert_before, tag)
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parents:
diff changeset
1106 self.assertRaises(NotImplementedError, soup.insert_before, tag)
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parents:
diff changeset
1107 self.assertRaises(ValueError, tag.insert_before, tag)
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parents:
diff changeset
1108
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1109 def test_replace_with(self):
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parents:
diff changeset
1110 soup = self.soup(
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parents:
diff changeset
1111 "<p>There's <b>no</b> business like <b>show</b> business</p>")
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parents:
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1112 no, show = soup.find_all('b')
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parents:
diff changeset
1113 show.replace_with(no)
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parents:
diff changeset
1114 self.assertEqual(
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parents:
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1115 soup.decode(),
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parents:
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1116 self.document_for(
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parents:
diff changeset
1117 "<p>There's business like <b>no</b> business</p>"))
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parents:
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1118
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1119 self.assertEqual(show.parent, None)
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parents:
diff changeset
1120 self.assertEqual(no.parent, soup.p)
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parents:
diff changeset
1121 self.assertEqual(no.next_element, "no")
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parents:
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1122 self.assertEqual(no.next_sibling, " business")
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parents:
diff changeset
1123
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parents:
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1124 def test_replace_first_child(self):
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parents:
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1125 data = "<a><b></b><c></c></a>"
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parents:
diff changeset
1126 soup = self.soup(data)
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parents:
diff changeset
1127 soup.b.replace_with(soup.c)
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parents:
diff changeset
1128 self.assertEqual("<a><c></c></a>", soup.decode())
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parents:
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1129
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parents:
diff changeset
1130 def test_replace_last_child(self):
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parents:
diff changeset
1131 data = "<a><b></b><c></c></a>"
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parents:
diff changeset
1132 soup = self.soup(data)
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guerler
parents:
diff changeset
1133 soup.c.replace_with(soup.b)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1134 self.assertEqual("<a><b></b></a>", soup.decode())
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guerler
parents:
diff changeset
1135
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guerler
parents:
diff changeset
1136 def test_nested_tag_replace_with(self):
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guerler
parents:
diff changeset
1137 soup = self.soup(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1138 """<a>We<b>reserve<c>the</c><d>right</d></b></a><e>to<f>refuse</f><g>service</g></e>""")
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guerler
parents:
diff changeset
1139
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1140 # Replace the entire <b> tag and its contents ("reserve the
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1141 # right") with the <f> tag ("refuse").
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guerler
parents:
diff changeset
1142 remove_tag = soup.b
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guerler
parents:
diff changeset
1143 move_tag = soup.f
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guerler
parents:
diff changeset
1144 remove_tag.replace_with(move_tag)
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guerler
parents:
diff changeset
1145
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guerler
parents:
diff changeset
1146 self.assertEqual(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1147 soup.decode(), self.document_for(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1148 "<a>We<f>refuse</f></a><e>to<g>service</g></e>"))
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guerler
parents:
diff changeset
1149
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1150 # The <b> tag is now an orphan.
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guerler
parents:
diff changeset
1151 self.assertEqual(remove_tag.parent, None)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1152 self.assertEqual(remove_tag.find(text="right").next_element, None)
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guerler
parents:
diff changeset
1153 self.assertEqual(remove_tag.previous_element, None)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1154 self.assertEqual(remove_tag.next_sibling, None)
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guerler
parents:
diff changeset
1155 self.assertEqual(remove_tag.previous_sibling, None)
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guerler
parents:
diff changeset
1156
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1157 # The <f> tag is now connected to the <a> tag.
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guerler
parents:
diff changeset
1158 self.assertEqual(move_tag.parent, soup.a)
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guerler
parents:
diff changeset
1159 self.assertEqual(move_tag.previous_element, "We")
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guerler
parents:
diff changeset
1160 self.assertEqual(move_tag.next_element.next_element, soup.e)
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guerler
parents:
diff changeset
1161 self.assertEqual(move_tag.next_sibling, None)
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guerler
parents:
diff changeset
1162
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1163 # The gap where the <f> tag used to be has been mended, and
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1164 # the word "to" is now connected to the <g> tag.
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guerler
parents:
diff changeset
1165 to_text = soup.find(text="to")
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guerler
parents:
diff changeset
1166 g_tag = soup.g
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guerler
parents:
diff changeset
1167 self.assertEqual(to_text.next_element, g_tag)
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guerler
parents:
diff changeset
1168 self.assertEqual(to_text.next_sibling, g_tag)
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guerler
parents:
diff changeset
1169 self.assertEqual(g_tag.previous_element, to_text)
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guerler
parents:
diff changeset
1170 self.assertEqual(g_tag.previous_sibling, to_text)
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guerler
parents:
diff changeset
1171
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parents:
diff changeset
1172 def test_unwrap(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1173 tree = self.soup("""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1174 <p>Unneeded <em>formatting</em> is unneeded</p>
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guerler
parents:
diff changeset
1175 """)
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guerler
parents:
diff changeset
1176 tree.em.unwrap()
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guerler
parents:
diff changeset
1177 self.assertEqual(tree.em, None)
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guerler
parents:
diff changeset
1178 self.assertEqual(tree.p.text, "Unneeded formatting is unneeded")
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guerler
parents:
diff changeset
1179
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parents:
diff changeset
1180 def test_wrap(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1181 soup = self.soup("I wish I was bold.")
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guerler
parents:
diff changeset
1182 value = soup.string.wrap(soup.new_tag("b"))
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guerler
parents:
diff changeset
1183 self.assertEqual(value.decode(), "<b>I wish I was bold.</b>")
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guerler
parents:
diff changeset
1184 self.assertEqual(
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guerler
parents:
diff changeset
1185 soup.decode(), self.document_for("<b>I wish I was bold.</b>"))
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guerler
parents:
diff changeset
1186
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guerler
parents:
diff changeset
1187 def test_wrap_extracts_tag_from_elsewhere(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1188 soup = self.soup("<b></b>I wish I was bold.")
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guerler
parents:
diff changeset
1189 soup.b.next_sibling.wrap(soup.b)
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guerler
parents:
diff changeset
1190 self.assertEqual(
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parents:
diff changeset
1191 soup.decode(), self.document_for("<b>I wish I was bold.</b>"))
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guerler
parents:
diff changeset
1192
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parents:
diff changeset
1193 def test_wrap_puts_new_contents_at_the_end(self):
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guerler
parents:
diff changeset
1194 soup = self.soup("<b>I like being bold.</b>I wish I was bold.")
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guerler
parents:
diff changeset
1195 soup.b.next_sibling.wrap(soup.b)
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guerler
parents:
diff changeset
1196 self.assertEqual(2, len(soup.b.contents))
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guerler
parents:
diff changeset
1197 self.assertEqual(
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guerler
parents:
diff changeset
1198 soup.decode(), self.document_for(
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guerler
parents:
diff changeset
1199 "<b>I like being bold.I wish I was bold.</b>"))
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guerler
parents:
diff changeset
1200
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parents:
diff changeset
1201 def test_extract(self):
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guerler
parents:
diff changeset
1202 soup = self.soup(
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guerler
parents:
diff changeset
1203 '<html><body>Some content. <div id="nav">Nav crap</div> More content.</body></html>')
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guerler
parents:
diff changeset
1204
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parents:
diff changeset
1205 self.assertEqual(len(soup.body.contents), 3)
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guerler
parents:
diff changeset
1206 extracted = soup.find(id="nav").extract()
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guerler
parents:
diff changeset
1207
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parents:
diff changeset
1208 self.assertEqual(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1209 soup.decode(), "<html><body>Some content. More content.</body></html>")
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guerler
parents:
diff changeset
1210 self.assertEqual(extracted.decode(), '<div id="nav">Nav crap</div>')
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guerler
parents:
diff changeset
1211
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1212 # The extracted tag is now an orphan.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1213 self.assertEqual(len(soup.body.contents), 2)
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guerler
parents:
diff changeset
1214 self.assertEqual(extracted.parent, None)
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guerler
parents:
diff changeset
1215 self.assertEqual(extracted.previous_element, None)
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guerler
parents:
diff changeset
1216 self.assertEqual(extracted.next_element.next_element, None)
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guerler
parents:
diff changeset
1217
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1218 # The gap where the extracted tag used to be has been mended.
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guerler
parents:
diff changeset
1219 content_1 = soup.find(text="Some content. ")
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guerler
parents:
diff changeset
1220 content_2 = soup.find(text=" More content.")
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guerler
parents:
diff changeset
1221 self.assertEqual(content_1.next_element, content_2)
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guerler
parents:
diff changeset
1222 self.assertEqual(content_1.next_sibling, content_2)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1223 self.assertEqual(content_2.previous_element, content_1)
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guerler
parents:
diff changeset
1224 self.assertEqual(content_2.previous_sibling, content_1)
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guerler
parents:
diff changeset
1225
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1226 def test_extract_distinguishes_between_identical_strings(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1227 soup = self.soup("<a>foo</a><b>bar</b>")
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guerler
parents:
diff changeset
1228 foo_1 = soup.a.string
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1229 bar_1 = soup.b.string
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1230 foo_2 = soup.new_string("foo")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1231 bar_2 = soup.new_string("bar")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1232 soup.a.append(foo_2)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1233 soup.b.append(bar_2)
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guerler
parents:
diff changeset
1234
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1235 # Now there are two identical strings in the <a> tag, and two
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guerler
parents:
diff changeset
1236 # in the <b> tag. Let's remove the first "foo" and the second
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guerler
parents:
diff changeset
1237 # "bar".
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1238 foo_1.extract()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1239 bar_2.extract()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1240 self.assertEqual(foo_2, soup.a.string)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1241 self.assertEqual(bar_2, soup.b.string)
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guerler
parents:
diff changeset
1242
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1243 def test_extract_multiples_of_same_tag(self):
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guerler
parents:
diff changeset
1244 soup = self.soup("""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1245 <html>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1246 <head>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1247 <script>foo</script>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1248 </head>
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guerler
parents:
diff changeset
1249 <body>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1250 <script>bar</script>
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guerler
parents:
diff changeset
1251 <a></a>
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guerler
parents:
diff changeset
1252 </body>
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guerler
parents:
diff changeset
1253 <script>baz</script>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1254 </html>""")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1255 [soup.script.extract() for i in soup.find_all("script")]
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parents:
diff changeset
1256 self.assertEqual("<body>\n\n<a></a>\n</body>", str(soup.body))
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diff changeset
1257
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diff changeset
1258
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diff changeset
1259 def test_extract_works_when_element_is_surrounded_by_identical_strings(self):
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diff changeset
1260 soup = self.soup(
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parents:
diff changeset
1261 '<html>\n'
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diff changeset
1262 '<body>hi</body>\n'
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diff changeset
1263 '</html>')
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diff changeset
1264 soup.find('body').extract()
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diff changeset
1265 self.assertEqual(None, soup.find('body'))
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diff changeset
1266
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diff changeset
1267
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diff changeset
1268 def test_clear(self):
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diff changeset
1269 """Tag.clear()"""
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1270 soup = self.soup("<p><a>String <em>Italicized</em></a> and another</p>")
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diff changeset
1271 # clear using extract()
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diff changeset
1272 a = soup.a
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diff changeset
1273 soup.p.clear()
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diff changeset
1274 self.assertEqual(len(soup.p.contents), 0)
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diff changeset
1275 self.assertTrue(hasattr(a, "contents"))
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diff changeset
1276
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1277 # clear using decompose()
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diff changeset
1278 em = a.em
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diff changeset
1279 a.clear(decompose=True)
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diff changeset
1280 self.assertEqual(0, len(em.contents))
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1281
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1282
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1283 def test_decompose(self):
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diff changeset
1284 # Test PageElement.decompose() and PageElement.decomposed
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1285 soup = self.soup("<p><a>String <em>Italicized</em></a></p><p>Another para</p>")
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diff changeset
1286 p1, p2 = soup.find_all('p')
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diff changeset
1287 a = p1.a
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diff changeset
1288 text = p1.em.string
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diff changeset
1289 for i in [p1, p2, a, text]:
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1290 self.assertEqual(False, i.decomposed)
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1291
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1292 # This sets p1 and everything beneath it to decomposed.
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diff changeset
1293 p1.decompose()
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1294 for i in [p1, a, text]:
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diff changeset
1295 self.assertEqual(True, i.decomposed)
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1296 # p2 is unaffected.
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diff changeset
1297 self.assertEqual(False, p2.decomposed)
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1298
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1299 def test_string_set(self):
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diff changeset
1300 """Tag.string = 'string'"""
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1301 soup = self.soup("<a></a> <b><c></c></b>")
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1302 soup.a.string = "foo"
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1303 self.assertEqual(soup.a.contents, ["foo"])
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1304 soup.b.string = "bar"
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1305 self.assertEqual(soup.b.contents, ["bar"])
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1306
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1307 def test_string_set_does_not_affect_original_string(self):
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1308 soup = self.soup("<a><b>foo</b><c>bar</c>")
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1309 soup.b.string = soup.c.string
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1310 self.assertEqual(soup.a.encode(), b"<a><b>bar</b><c>bar</c></a>")
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1311
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1312 def test_set_string_preserves_class_of_string(self):
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1313 soup = self.soup("<a></a>")
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1314 cdata = CData("foo")
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1315 soup.a.string = cdata
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1316 self.assertTrue(isinstance(soup.a.string, CData))
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1317
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1318 class TestElementObjects(SoupTest):
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1319 """Test various features of element objects."""
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1320
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1321 def test_len(self):
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1322 """The length of an element is its number of children."""
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1323 soup = self.soup("<top>1<b>2</b>3</top>")
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1324
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1325 # The BeautifulSoup object itself contains one element: the
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diff changeset
1326 # <top> tag.
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1327 self.assertEqual(len(soup.contents), 1)
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1328 self.assertEqual(len(soup), 1)
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1329
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1330 # The <top> tag contains three elements: the text node "1", the
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1331 # <b> tag, and the text node "3".
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1332 self.assertEqual(len(soup.top), 3)
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diff changeset
1333 self.assertEqual(len(soup.top.contents), 3)
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1334
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1335 def test_member_access_invokes_find(self):
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1336 """Accessing a Python member .foo invokes find('foo')"""
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1337 soup = self.soup('<b><i></i></b>')
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1338 self.assertEqual(soup.b, soup.find('b'))
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1339 self.assertEqual(soup.b.i, soup.find('b').find('i'))
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diff changeset
1340 self.assertEqual(soup.a, None)
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1341
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1342 def test_deprecated_member_access(self):
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1343 soup = self.soup('<b><i></i></b>')
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1344 with warnings.catch_warnings(record=True) as w:
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1345 tag = soup.bTag
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1346 self.assertEqual(soup.b, tag)
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1347 self.assertEqual(
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1348 '.bTag is deprecated, use .find("b") instead. If you really were looking for a tag called bTag, use .find("bTag")',
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1349 str(w[0].message))
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1350
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1351 def test_has_attr(self):
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diff changeset
1352 """has_attr() checks for the presence of an attribute.
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1353
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1354 Please note note: has_attr() is different from
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1355 __in__. has_attr() checks the tag's attributes and __in__
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1356 checks the tag's chidlren.
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1357 """
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1358 soup = self.soup("<foo attr='bar'>")
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1359 self.assertTrue(soup.foo.has_attr('attr'))
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diff changeset
1360 self.assertFalse(soup.foo.has_attr('attr2'))
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1361
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1362
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1363 def test_attributes_come_out_in_alphabetical_order(self):
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1364 markup = '<b a="1" z="5" m="3" f="2" y="4"></b>'
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1365 self.assertSoupEquals(markup, '<b a="1" f="2" m="3" y="4" z="5"></b>')
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1366
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1367 def test_string(self):
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1368 # A tag that contains only a text node makes that node
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1369 # available as .string.
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1370 soup = self.soup("<b>foo</b>")
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1371 self.assertEqual(soup.b.string, 'foo')
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1372
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1373 def test_empty_tag_has_no_string(self):
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1374 # A tag with no children has no .stirng.
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1375 soup = self.soup("<b></b>")
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diff changeset
1376 self.assertEqual(soup.b.string, None)
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1377
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1378 def test_tag_with_multiple_children_has_no_string(self):
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1379 # A tag with no children has no .string.
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diff changeset
1380 soup = self.soup("<a>foo<b></b><b></b></b>")
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diff changeset
1381 self.assertEqual(soup.b.string, None)
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diff changeset
1382
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diff changeset
1383 soup = self.soup("<a>foo<b></b>bar</b>")
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diff changeset
1384 self.assertEqual(soup.b.string, None)
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diff changeset
1385
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1386 # Even if all the children are strings, due to trickery,
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parents:
diff changeset
1387 # it won't work--but this would be a good optimization.
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diff changeset
1388 soup = self.soup("<a>foo</b>")
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diff changeset
1389 soup.a.insert(1, "bar")
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diff changeset
1390 self.assertEqual(soup.a.string, None)
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diff changeset
1391
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1392 def test_tag_with_recursive_string_has_string(self):
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diff changeset
1393 # A tag with a single child which has a .string inherits that
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diff changeset
1394 # .string.
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diff changeset
1395 soup = self.soup("<a><b>foo</b></a>")
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diff changeset
1396 self.assertEqual(soup.a.string, "foo")
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diff changeset
1397 self.assertEqual(soup.string, "foo")
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diff changeset
1398
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1399 def test_lack_of_string(self):
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diff changeset
1400 """Only a tag containing a single text node has a .string."""
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diff changeset
1401 soup = self.soup("<b>f<i>e</i>o</b>")
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diff changeset
1402 self.assertFalse(soup.b.string)
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1403
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1404 soup = self.soup("<b></b>")
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diff changeset
1405 self.assertFalse(soup.b.string)
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diff changeset
1406
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1407 def test_all_text(self):
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diff changeset
1408 """Tag.text and Tag.get_text(sep=u"") -> all child text, concatenated"""
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1409 soup = self.soup("<a>a<b>r</b> <r> t </r></a>")
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diff changeset
1410 self.assertEqual(soup.a.text, "ar t ")
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diff changeset
1411 self.assertEqual(soup.a.get_text(strip=True), "art")
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diff changeset
1412 self.assertEqual(soup.a.get_text(","), "a,r, , t ")
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diff changeset
1413 self.assertEqual(soup.a.get_text(",", strip=True), "a,r,t")
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diff changeset
1414
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1415 def test_get_text_ignores_special_string_containers(self):
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1416 soup = self.soup("foo<!--IGNORE-->bar")
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diff changeset
1417 self.assertEqual(soup.get_text(), "foobar")
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1418
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1419 self.assertEqual(
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1420 soup.get_text(types=(NavigableString, Comment)), "fooIGNOREbar")
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diff changeset
1421 self.assertEqual(
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1422 soup.get_text(types=None), "fooIGNOREbar")
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diff changeset
1423
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1424 soup = self.soup("foo<style>CSS</style><script>Javascript</script>bar")
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diff changeset
1425 self.assertEqual(soup.get_text(), "foobar")
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1426
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1427 def test_all_strings_ignores_special_string_containers(self):
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diff changeset
1428 soup = self.soup("foo<!--IGNORE-->bar")
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diff changeset
1429 self.assertEqual(['foo', 'bar'], list(soup.strings))
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diff changeset
1430
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1431 soup = self.soup("foo<style>CSS</style><script>Javascript</script>bar")
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diff changeset
1432 self.assertEqual(['foo', 'bar'], list(soup.strings))
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diff changeset
1433
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1434
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1435 class TestCDAtaListAttributes(SoupTest):
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1436
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diff changeset
1437 """Testing cdata-list attributes like 'class'.
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1438 """
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1439 def test_single_value_becomes_list(self):
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1440 soup = self.soup("<a class='foo'>")
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diff changeset
1441 self.assertEqual(["foo"],soup.a['class'])
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1442
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1443 def test_multiple_values_becomes_list(self):
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1444 soup = self.soup("<a class='foo bar'>")
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diff changeset
1445 self.assertEqual(["foo", "bar"], soup.a['class'])
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1446
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1447 def test_multiple_values_separated_by_weird_whitespace(self):
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1448 soup = self.soup("<a class='foo\tbar\nbaz'>")
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diff changeset
1449 self.assertEqual(["foo", "bar", "baz"],soup.a['class'])
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1450
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1451 def test_attributes_joined_into_string_on_output(self):
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1452 soup = self.soup("<a class='foo\tbar'>")
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diff changeset
1453 self.assertEqual(b'<a class="foo bar"></a>', soup.a.encode())
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diff changeset
1454
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1455 def test_get_attribute_list(self):
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1456 soup = self.soup("<a id='abc def'>")
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diff changeset
1457 self.assertEqual(['abc def'], soup.a.get_attribute_list('id'))
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1458
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1459 def test_accept_charset(self):
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diff changeset
1460 soup = self.soup('<form accept-charset="ISO-8859-1 UTF-8">')
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diff changeset
1461 self.assertEqual(['ISO-8859-1', 'UTF-8'], soup.form['accept-charset'])
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1462
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1463 def test_cdata_attribute_applying_only_to_one_tag(self):
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1464 data = '<a accept-charset="ISO-8859-1 UTF-8"></a>'
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diff changeset
1465 soup = self.soup(data)
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diff changeset
1466 # We saw in another test that accept-charset is a cdata-list
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diff changeset
1467 # attribute for the <form> tag. But it's not a cdata-list
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diff changeset
1468 # attribute for any other tag.
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diff changeset
1469 self.assertEqual('ISO-8859-1 UTF-8', soup.a['accept-charset'])
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1470
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1471 def test_string_has_immutable_name_property(self):
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diff changeset
1472 string = self.soup("s").string
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diff changeset
1473 self.assertEqual(None, string.name)
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1474 def t():
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1475 string.name = 'foo'
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diff changeset
1476 self.assertRaises(AttributeError, t)
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1477
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1478 class TestPersistence(SoupTest):
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1479 "Testing features like pickle and deepcopy."
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1480
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1481 def setUp(self):
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1482 super(TestPersistence, self).setUp()
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1483 self.page = """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
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1484 "http://www.w3.org/TR/REC-html40/transitional.dtd">
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1485 <html>
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1486 <head>
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1487 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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diff changeset
1488 <title>Beautiful Soup: We called him Tortoise because he taught us.</title>
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1489 <link rev="made" href="mailto:leonardr@segfault.org">
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diff changeset
1490 <meta name="Description" content="Beautiful Soup: an HTML parser optimized for screen-scraping.">
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1491 <meta name="generator" content="Markov Approximation 1.4 (module: leonardr)">
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1492 <meta name="author" content="Leonard Richardson">
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diff changeset
1493 </head>
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1494 <body>
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1495 <a href="foo">foo</a>
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1496 <a href="foo"><b>bar</b></a>
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diff changeset
1497 </body>
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1498 </html>"""
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diff changeset
1499 self.tree = self.soup(self.page)
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diff changeset
1500
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1501 def test_pickle_and_unpickle_identity(self):
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diff changeset
1502 # Pickling a tree, then unpickling it, yields a tree identical
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diff changeset
1503 # to the original.
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diff changeset
1504 dumped = pickle.dumps(self.tree, 2)
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diff changeset
1505 loaded = pickle.loads(dumped)
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diff changeset
1506 self.assertEqual(loaded.__class__, BeautifulSoup)
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diff changeset
1507 self.assertEqual(loaded.decode(), self.tree.decode())
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diff changeset
1508
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1509 def test_deepcopy_identity(self):
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diff changeset
1510 # Making a deepcopy of a tree yields an identical tree.
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diff changeset
1511 copied = copy.deepcopy(self.tree)
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diff changeset
1512 self.assertEqual(copied.decode(), self.tree.decode())
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diff changeset
1513
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diff changeset
1514 def test_copy_preserves_encoding(self):
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diff changeset
1515 soup = BeautifulSoup(b'<p>&nbsp;</p>', 'html.parser')
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diff changeset
1516 encoding = soup.original_encoding
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diff changeset
1517 copy = soup.__copy__()
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diff changeset
1518 self.assertEqual("<p> </p>", str(copy))
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diff changeset
1519 self.assertEqual(encoding, copy.original_encoding)
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diff changeset
1520
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diff changeset
1521 def test_copy_preserves_builder_information(self):
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diff changeset
1522
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diff changeset
1523 tag = self.soup('<p></p>').p
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diff changeset
1524
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diff changeset
1525 # Simulate a tag obtained from a source file.
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diff changeset
1526 tag.sourceline = 10
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diff changeset
1527 tag.sourcepos = 33
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diff changeset
1528
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diff changeset
1529 copied = tag.__copy__()
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diff changeset
1530
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diff changeset
1531 # The TreeBuilder object is no longer availble, but information
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diff changeset
1532 # obtained from it gets copied over to the new Tag object.
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diff changeset
1533 self.assertEqual(tag.sourceline, copied.sourceline)
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diff changeset
1534 self.assertEqual(tag.sourcepos, copied.sourcepos)
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diff changeset
1535 self.assertEqual(
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1536 tag.can_be_empty_element, copied.can_be_empty_element
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diff changeset
1537 )
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diff changeset
1538 self.assertEqual(
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diff changeset
1539 tag.cdata_list_attributes, copied.cdata_list_attributes
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diff changeset
1540 )
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diff changeset
1541 self.assertEqual(
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diff changeset
1542 tag.preserve_whitespace_tags, copied.preserve_whitespace_tags
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diff changeset
1543 )
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diff changeset
1544
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diff changeset
1545
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1546 def test_unicode_pickle(self):
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diff changeset
1547 # A tree containing Unicode characters can be pickled.
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diff changeset
1548 html = "<b>\N{SNOWMAN}</b>"
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diff changeset
1549 soup = self.soup(html)
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diff changeset
1550 dumped = pickle.dumps(soup, pickle.HIGHEST_PROTOCOL)
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diff changeset
1551 loaded = pickle.loads(dumped)
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diff changeset
1552 self.assertEqual(loaded.decode(), soup.decode())
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diff changeset
1553
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diff changeset
1554 def test_copy_navigablestring_is_not_attached_to_tree(self):
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diff changeset
1555 html = "<b>Foo<a></a></b><b>Bar</b>"
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diff changeset
1556 soup = self.soup(html)
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diff changeset
1557 s1 = soup.find(string="Foo")
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diff changeset
1558 s2 = copy.copy(s1)
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diff changeset
1559 self.assertEqual(s1, s2)
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diff changeset
1560 self.assertEqual(None, s2.parent)
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diff changeset
1561 self.assertEqual(None, s2.next_element)
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parents:
diff changeset
1562 self.assertNotEqual(None, s1.next_sibling)
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parents:
diff changeset
1563 self.assertEqual(None, s2.next_sibling)
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diff changeset
1564 self.assertEqual(None, s2.previous_element)
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diff changeset
1565
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diff changeset
1566 def test_copy_navigablestring_subclass_has_same_type(self):
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diff changeset
1567 html = "<b><!--Foo--></b>"
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diff changeset
1568 soup = self.soup(html)
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diff changeset
1569 s1 = soup.string
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diff changeset
1570 s2 = copy.copy(s1)
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diff changeset
1571 self.assertEqual(s1, s2)
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diff changeset
1572 self.assertTrue(isinstance(s2, Comment))
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diff changeset
1573
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diff changeset
1574 def test_copy_entire_soup(self):
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diff changeset
1575 html = "<div><b>Foo<a></a></b><b>Bar</b></div>end"
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diff changeset
1576 soup = self.soup(html)
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diff changeset
1577 soup_copy = copy.copy(soup)
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diff changeset
1578 self.assertEqual(soup, soup_copy)
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diff changeset
1579
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1580 def test_copy_tag_copies_contents(self):
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diff changeset
1581 html = "<div><b>Foo<a></a></b><b>Bar</b></div>end"
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diff changeset
1582 soup = self.soup(html)
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diff changeset
1583 div = soup.div
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diff changeset
1584 div_copy = copy.copy(div)
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diff changeset
1585
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diff changeset
1586 # The two tags look the same, and evaluate to equal.
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diff changeset
1587 self.assertEqual(str(div), str(div_copy))
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diff changeset
1588 self.assertEqual(div, div_copy)
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diff changeset
1589
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1590 # But they're not the same object.
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diff changeset
1591 self.assertFalse(div is div_copy)
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diff changeset
1592
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diff changeset
1593 # And they don't have the same relation to the parse tree. The
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parents:
diff changeset
1594 # copy is not associated with a parse tree at all.
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diff changeset
1595 self.assertEqual(None, div_copy.parent)
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diff changeset
1596 self.assertEqual(None, div_copy.previous_element)
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diff changeset
1597 self.assertEqual(None, div_copy.find(string='Bar').next_element)
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diff changeset
1598 self.assertNotEqual(None, div.find(string='Bar').next_element)
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diff changeset
1599
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diff changeset
1600 class TestSubstitutions(SoupTest):
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diff changeset
1601
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diff changeset
1602 def test_default_formatter_is_minimal(self):
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diff changeset
1603 markup = "<b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"
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diff changeset
1604 soup = self.soup(markup)
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diff changeset
1605 decoded = soup.decode(formatter="minimal")
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diff changeset
1606 # The < is converted back into &lt; but the e-with-acute is left alone.
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diff changeset
1607 self.assertEqual(
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1608 decoded,
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diff changeset
1609 self.document_for(
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diff changeset
1610 "<b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"))
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parents:
diff changeset
1611
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diff changeset
1612 def test_formatter_html(self):
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parents:
diff changeset
1613 markup = "<br><b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"
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diff changeset
1614 soup = self.soup(markup)
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diff changeset
1615 decoded = soup.decode(formatter="html")
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parents:
diff changeset
1616 self.assertEqual(
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diff changeset
1617 decoded,
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diff changeset
1618 self.document_for("<br/><b>&lt;&lt;Sacr&eacute; bleu!&gt;&gt;</b>"))
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diff changeset
1619
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diff changeset
1620 def test_formatter_html5(self):
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diff changeset
1621 markup = "<br><b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"
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parents:
diff changeset
1622 soup = self.soup(markup)
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parents:
diff changeset
1623 decoded = soup.decode(formatter="html5")
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parents:
diff changeset
1624 self.assertEqual(
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diff changeset
1625 decoded,
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guerler
parents:
diff changeset
1626 self.document_for("<br><b>&lt;&lt;Sacr&eacute; bleu!&gt;&gt;</b>"))
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parents:
diff changeset
1627
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parents:
diff changeset
1628 def test_formatter_minimal(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1629 markup = "<b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1630 soup = self.soup(markup)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1631 decoded = soup.decode(formatter="minimal")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1632 # The < is converted back into &lt; but the e-with-acute is left alone.
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guerler
parents:
diff changeset
1633 self.assertEqual(
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guerler
parents:
diff changeset
1634 decoded,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1635 self.document_for(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1636 "<b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"))
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guerler
parents:
diff changeset
1637
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1638 def test_formatter_null(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1639 markup = "<b>&lt;&lt;Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</b>"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1640 soup = self.soup(markup)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1641 decoded = soup.decode(formatter=None)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1642 # Neither the angle brackets nor the e-with-acute are converted.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1643 # This is not valid HTML, but it's what the user wanted.
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guerler
parents:
diff changeset
1644 self.assertEqual(decoded,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1645 self.document_for("<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1646
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parents:
diff changeset
1647 def test_formatter_custom(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1648 markup = "<b>&lt;foo&gt;</b><b>bar</b><br/>"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1649 soup = self.soup(markup)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1650 decoded = soup.decode(formatter = lambda x: x.upper())
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1651 # Instead of normal entity conversion code, the custom
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1652 # callable is called on every string.
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guerler
parents:
diff changeset
1653 self.assertEqual(
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parents:
diff changeset
1654 decoded,
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parents:
diff changeset
1655 self.document_for("<b><FOO></b><b>BAR</b><br/>"))
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guerler
parents:
diff changeset
1656
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1657 def test_formatter_is_run_on_attribute_values(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1658 markup = '<a href="http://a.com?a=b&c=é">e</a>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1659 soup = self.soup(markup)
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guerler
parents:
diff changeset
1660 a = soup.a
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parents:
diff changeset
1661
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parents:
diff changeset
1662 expect_minimal = '<a href="http://a.com?a=b&amp;c=é">e</a>'
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parents:
diff changeset
1663
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parents:
diff changeset
1664 self.assertEqual(expect_minimal, a.decode())
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guerler
parents:
diff changeset
1665 self.assertEqual(expect_minimal, a.decode(formatter="minimal"))
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parents:
diff changeset
1666
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parents:
diff changeset
1667 expect_html = '<a href="http://a.com?a=b&amp;c=&eacute;">e</a>'
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parents:
diff changeset
1668 self.assertEqual(expect_html, a.decode(formatter="html"))
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parents:
diff changeset
1669
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parents:
diff changeset
1670 self.assertEqual(markup, a.decode(formatter=None))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1671 expect_upper = '<a href="HTTP://A.COM?A=B&C=É">E</a>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1672 self.assertEqual(expect_upper, a.decode(formatter=lambda x: x.upper()))
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parents:
diff changeset
1673
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parents:
diff changeset
1674 def test_formatter_skips_script_tag_for_html_documents(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1675 doc = """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1676 <script type="text/javascript">
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1677 console.log("< < hey > > ");
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1678 </script>
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guerler
parents:
diff changeset
1679 """
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guerler
parents:
diff changeset
1680 encoded = BeautifulSoup(doc, 'html.parser').encode()
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guerler
parents:
diff changeset
1681 self.assertTrue(b"< < hey > >" in encoded)
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parents:
diff changeset
1682
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parents:
diff changeset
1683 def test_formatter_skips_style_tag_for_html_documents(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1684 doc = """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1685 <style type="text/css">
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1686 console.log("< < hey > > ");
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1687 </style>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1688 """
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parents:
diff changeset
1689 encoded = BeautifulSoup(doc, 'html.parser').encode()
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guerler
parents:
diff changeset
1690 self.assertTrue(b"< < hey > >" in encoded)
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parents:
diff changeset
1691
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parents:
diff changeset
1692 def test_prettify_leaves_preformatted_text_alone(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1693 soup = self.soup("<div> foo <pre> \tbar\n \n </pre> baz <textarea> eee\nfff\t</textarea></div>")
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guerler
parents:
diff changeset
1694 # Everything outside the <pre> tag is reformatted, but everything
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1695 # inside is left alone.
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parents:
diff changeset
1696 self.assertEqual(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1697 '<div>\n foo\n <pre> \tbar\n \n </pre>\n baz\n <textarea> eee\nfff\t</textarea>\n</div>',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1698 soup.div.prettify())
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guerler
parents:
diff changeset
1699
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1700 def test_prettify_accepts_formatter_function(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1701 soup = BeautifulSoup("<html><body>foo</body></html>", 'html.parser')
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guerler
parents:
diff changeset
1702 pretty = soup.prettify(formatter = lambda x: x.upper())
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guerler
parents:
diff changeset
1703 self.assertTrue("FOO" in pretty)
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parents:
diff changeset
1704
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parents:
diff changeset
1705 def test_prettify_outputs_unicode_by_default(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1706 soup = self.soup("<a></a>")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1707 self.assertEqual(str, type(soup.prettify()))
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guerler
parents:
diff changeset
1708
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1709 def test_prettify_can_encode_data(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1710 soup = self.soup("<a></a>")
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guerler
parents:
diff changeset
1711 self.assertEqual(bytes, type(soup.prettify("utf-8")))
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parents:
diff changeset
1712
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parents:
diff changeset
1713 def test_html_entity_substitution_off_by_default(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1714 markup = "<b>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</b>"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1715 soup = self.soup(markup)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1716 encoded = soup.b.encode("utf-8")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1717 self.assertEqual(encoded, markup.encode('utf-8'))
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guerler
parents:
diff changeset
1718
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1719 def test_encoding_substitution(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1720 # Here's the <meta> tag saying that a document is
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1721 # encoded in Shift-JIS.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1722 meta_tag = ('<meta content="text/html; charset=x-sjis" '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1723 'http-equiv="Content-type"/>')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1724 soup = self.soup(meta_tag)
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guerler
parents:
diff changeset
1725
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1726 # Parse the document, and the charset apprears unchanged.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1727 self.assertEqual(soup.meta['content'], 'text/html; charset=x-sjis')
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guerler
parents:
diff changeset
1728
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1729 # Encode the document into some encoding, and the encoding is
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1730 # substituted into the meta tag.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1731 utf_8 = soup.encode("utf-8")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1732 self.assertTrue(b"charset=utf-8" in utf_8)
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guerler
parents:
diff changeset
1733
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1734 euc_jp = soup.encode("euc_jp")
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guerler
parents:
diff changeset
1735 self.assertTrue(b"charset=euc_jp" in euc_jp)
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guerler
parents:
diff changeset
1736
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parents:
diff changeset
1737 shift_jis = soup.encode("shift-jis")
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guerler
parents:
diff changeset
1738 self.assertTrue(b"charset=shift-jis" in shift_jis)
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guerler
parents:
diff changeset
1739
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1740 utf_16_u = soup.encode("utf-16").decode("utf-16")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1741 self.assertTrue("charset=utf-16" in utf_16_u)
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guerler
parents:
diff changeset
1742
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1743 def test_encoding_substitution_doesnt_happen_if_tag_is_strained(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1744 markup = ('<head><meta content="text/html; charset=x-sjis" '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1745 'http-equiv="Content-type"/></head><pre>foo</pre>')
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guerler
parents:
diff changeset
1746
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1747 # Beautiful Soup used to try to rewrite the meta tag even if the
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guerler
parents:
diff changeset
1748 # meta tag got filtered out by the strainer. This test makes
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1749 # sure that doesn't happen.
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parents:
diff changeset
1750 strainer = SoupStrainer('pre')
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guerler
parents:
diff changeset
1751 soup = self.soup(markup, parse_only=strainer)
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guerler
parents:
diff changeset
1752 self.assertEqual(soup.contents[0].name, 'pre')
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guerler
parents:
diff changeset
1753
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parents:
diff changeset
1754 class TestEncoding(SoupTest):
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guerler
parents:
diff changeset
1755 """Test the ability to encode objects into strings."""
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parents:
diff changeset
1756
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parents:
diff changeset
1757 def test_unicode_string_can_be_encoded(self):
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parents:
diff changeset
1758 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1759 soup = self.soup(html)
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parents:
diff changeset
1760 self.assertEqual(soup.b.string.encode("utf-8"),
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guerler
parents:
diff changeset
1761 "\N{SNOWMAN}".encode("utf-8"))
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parents:
diff changeset
1762
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parents:
diff changeset
1763 def test_tag_containing_unicode_string_can_be_encoded(self):
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guerler
parents:
diff changeset
1764 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1765 soup = self.soup(html)
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parents:
diff changeset
1766 self.assertEqual(
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parents:
diff changeset
1767 soup.b.encode("utf-8"), html.encode("utf-8"))
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parents:
diff changeset
1768
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diff changeset
1769 def test_encoding_substitutes_unrecognized_characters_by_default(self):
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parents:
diff changeset
1770 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1771 soup = self.soup(html)
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parents:
diff changeset
1772 self.assertEqual(soup.b.encode("ascii"), b"<b>&#9731;</b>")
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parents:
diff changeset
1773
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parents:
diff changeset
1774 def test_encoding_can_be_made_strict(self):
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diff changeset
1775 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1776 soup = self.soup(html)
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parents:
diff changeset
1777 self.assertRaises(
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parents:
diff changeset
1778 UnicodeEncodeError, soup.encode, "ascii", errors="strict")
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parents:
diff changeset
1779
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parents:
diff changeset
1780 def test_decode_contents(self):
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parents:
diff changeset
1781 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1782 soup = self.soup(html)
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parents:
diff changeset
1783 self.assertEqual("\N{SNOWMAN}", soup.b.decode_contents())
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parents:
diff changeset
1784
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parents:
diff changeset
1785 def test_encode_contents(self):
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parents:
diff changeset
1786 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1787 soup = self.soup(html)
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parents:
diff changeset
1788 self.assertEqual(
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parents:
diff changeset
1789 "\N{SNOWMAN}".encode("utf8"), soup.b.encode_contents(
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parents:
diff changeset
1790 encoding="utf8"))
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parents:
diff changeset
1791
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parents:
diff changeset
1792 def test_deprecated_renderContents(self):
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parents:
diff changeset
1793 html = "<b>\N{SNOWMAN}</b>"
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parents:
diff changeset
1794 soup = self.soup(html)
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parents:
diff changeset
1795 self.assertEqual(
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parents:
diff changeset
1796 "\N{SNOWMAN}".encode("utf8"), soup.b.renderContents())
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parents:
diff changeset
1797
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diff changeset
1798 def test_repr(self):
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parents:
diff changeset
1799 html = "<b>\N{SNOWMAN}</b>"
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diff changeset
1800 soup = self.soup(html)
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parents:
diff changeset
1801 if PY3K:
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diff changeset
1802 self.assertEqual(html, repr(soup))
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diff changeset
1803 else:
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diff changeset
1804 self.assertEqual(b'<b>\\u2603</b>', repr(soup))
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diff changeset
1805
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1806 class TestFormatter(SoupTest):
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diff changeset
1807
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diff changeset
1808 def test_default_attributes(self):
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diff changeset
1809 # Test the default behavior of Formatter.attributes().
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parents:
diff changeset
1810 formatter = Formatter()
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diff changeset
1811 tag = Tag(name="tag")
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parents:
diff changeset
1812 tag['b'] = 1
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parents:
diff changeset
1813 tag['a'] = 2
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diff changeset
1814
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diff changeset
1815 # Attributes come out sorted by name. In Python 3, attributes
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parents:
diff changeset
1816 # normally come out of a dictionary in the order they were
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parents:
diff changeset
1817 # added.
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diff changeset
1818 self.assertEqual([('a', 2), ('b', 1)], formatter.attributes(tag))
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diff changeset
1819
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diff changeset
1820 # This works even if Tag.attrs is None, though this shouldn't
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parents:
diff changeset
1821 # normally happen.
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parents:
diff changeset
1822 tag.attrs = None
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diff changeset
1823 self.assertEqual([], formatter.attributes(tag))
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diff changeset
1824
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diff changeset
1825 def test_sort_attributes(self):
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parents:
diff changeset
1826 # Test the ability to override Formatter.attributes() to,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1827 # e.g., disable the normal sorting of attributes.
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parents:
diff changeset
1828 class UnsortedFormatter(Formatter):
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parents:
diff changeset
1829 def attributes(self, tag):
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parents:
diff changeset
1830 self.called_with = tag
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parents:
diff changeset
1831 for k, v in sorted(tag.attrs.items()):
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parents:
diff changeset
1832 if k == 'ignore':
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parents:
diff changeset
1833 continue
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parents:
diff changeset
1834 yield k,v
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parents:
diff changeset
1835
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parents:
diff changeset
1836 soup = self.soup('<p cval="1" aval="2" ignore="ignored"></p>')
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parents:
diff changeset
1837 formatter = UnsortedFormatter()
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parents:
diff changeset
1838 decoded = soup.decode(formatter=formatter)
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parents:
diff changeset
1839
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parents:
diff changeset
1840 # attributes() was called on the <p> tag. It filtered out one
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parents:
diff changeset
1841 # attribute and sorted the other two.
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parents:
diff changeset
1842 self.assertEqual(formatter.called_with, soup.p)
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guerler
parents:
diff changeset
1843 self.assertEqual('<p aval="2" cval="1"></p>', decoded)
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guerler
parents:
diff changeset
1844
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parents:
diff changeset
1845
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parents:
diff changeset
1846 class TestNavigableStringSubclasses(SoupTest):
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parents:
diff changeset
1847
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parents:
diff changeset
1848 def test_cdata(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1849 # None of the current builders turn CDATA sections into CData
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guerler
parents:
diff changeset
1850 # objects, but you can create them manually.
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parents:
diff changeset
1851 soup = self.soup("")
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parents:
diff changeset
1852 cdata = CData("foo")
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parents:
diff changeset
1853 soup.insert(1, cdata)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1854 self.assertEqual(str(soup), "<![CDATA[foo]]>")
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guerler
parents:
diff changeset
1855 self.assertEqual(soup.find(text="foo"), "foo")
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guerler
parents:
diff changeset
1856 self.assertEqual(soup.contents[0], "foo")
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guerler
parents:
diff changeset
1857
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1858 def test_cdata_is_never_formatted(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1859 """Text inside a CData object is passed into the formatter.
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guerler
parents:
diff changeset
1860
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1861 But the return value is ignored.
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guerler
parents:
diff changeset
1862 """
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parents:
diff changeset
1863
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parents:
diff changeset
1864 self.count = 0
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1865 def increment(*args):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1866 self.count += 1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1867 return "BITTER FAILURE"
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guerler
parents:
diff changeset
1868
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parents:
diff changeset
1869 soup = self.soup("")
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guerler
parents:
diff changeset
1870 cdata = CData("<><><>")
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guerler
parents:
diff changeset
1871 soup.insert(1, cdata)
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guerler
parents:
diff changeset
1872 self.assertEqual(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1873 b"<![CDATA[<><><>]]>", soup.encode(formatter=increment))
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guerler
parents:
diff changeset
1874 self.assertEqual(1, self.count)
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guerler
parents:
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1875
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1876 def test_doctype_ends_in_newline(self):
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1877 # Unlike other NavigableString subclasses, a DOCTYPE always ends
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1878 # in a newline.
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1879 doctype = Doctype("foo")
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1880 soup = self.soup("")
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1881 soup.insert(1, doctype)
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1882 self.assertEqual(soup.encode(), b"<!DOCTYPE foo>\n")
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1883
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1884 def test_declaration(self):
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1885 d = Declaration("foo")
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1886 self.assertEqual("<?foo?>", d.output_ready())
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1887
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1888 def test_default_string_containers(self):
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1889 # In some cases, we use different NavigableString subclasses for
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1890 # the same text in different tags.
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1891 soup = self.soup(
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1892 "<div>text</div><script>text</script><style>text</style>"
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1893 )
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1894 self.assertEqual(
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1895 [NavigableString, Script, Stylesheet],
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1896 [x.__class__ for x in soup.find_all(text=True)]
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1897 )
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1898
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1899 # The TemplateString is a little unusual because it's generally found
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1900 # _inside_ children of a <template> element, not a direct child of the
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1901 # <template> element.
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1902 soup = self.soup(
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1903 "<template>Some text<p>In a tag</p></template>Some text outside"
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1904 )
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1905 assert all(isinstance(x, TemplateString) for x in soup.template.strings)
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1906
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1907 # Once the <template> tag closed, we went back to using
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1908 # NavigableString.
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1909 outside = soup.template.next_sibling
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1910 assert isinstance(outside, NavigableString)
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1911 assert not isinstance(outside, TemplateString)
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1912
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1913 class TestSoupSelector(TreeTest):
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1914
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1915 HTML = """
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1916 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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1917 "http://www.w3.org/TR/html4/strict.dtd">
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1918 <html>
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1919 <head>
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1920 <title>The title</title>
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1921 <link rel="stylesheet" href="blah.css" type="text/css" id="l1">
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1922 </head>
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1923 <body>
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1924 <custom-dashed-tag class="dashed" id="dash1">Hello there.</custom-dashed-tag>
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1925 <div id="main" class="fancy">
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1926 <div id="inner">
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1927 <h1 id="header1">An H1</h1>
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1928 <p>Some text</p>
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1929 <p class="onep" id="p1">Some more text</p>
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1930 <h2 id="header2">An H2</h2>
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1931 <p class="class1 class2 class3" id="pmulti">Another</p>
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1932 <a href="http://bob.example.org/" rel="friend met" id="bob">Bob</a>
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1933 <h2 id="header3">Another H2</h2>
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1934 <a id="me" href="http://simonwillison.net/" rel="me">me</a>
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1935 <span class="s1">
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1936 <a href="#" id="s1a1">span1a1</a>
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1937 <a href="#" id="s1a2">span1a2 <span id="s1a2s1">test</span></a>
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1938 <span class="span2">
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1939 <a href="#" id="s2a1">span2a1</a>
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1940 </span>
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1941 <span class="span3"></span>
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1942 <custom-dashed-tag class="dashed" id="dash2"/>
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1943 <div data-tag="dashedvalue" id="data1"/>
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1944 </span>
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1945 </div>
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1946 <x id="xid">
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1947 <z id="zida"/>
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1948 <z id="zidab"/>
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1949 <z id="zidac"/>
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1950 </x>
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1951 <y id="yid">
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1952 <z id="zidb"/>
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1953 </y>
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1954 <p lang="en" id="lang-en">English</p>
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1955 <p lang="en-gb" id="lang-en-gb">English UK</p>
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1956 <p lang="en-us" id="lang-en-us">English US</p>
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1957 <p lang="fr" id="lang-fr">French</p>
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1958 </div>
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1959
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1960 <div id="footer">
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1961 </div>
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1962 """
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1963
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1964 def setUp(self):
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1965 self.soup = BeautifulSoup(self.HTML, 'html.parser')
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1966
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1967 def assertSelects(self, selector, expected_ids, **kwargs):
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1968 el_ids = [el['id'] for el in self.soup.select(selector, **kwargs)]
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1969 el_ids.sort()
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1970 expected_ids.sort()
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1971 self.assertEqual(expected_ids, el_ids,
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1972 "Selector %s, expected [%s], got [%s]" % (
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1973 selector, ', '.join(expected_ids), ', '.join(el_ids)
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1974 )
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1975 )
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1976
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1977 assertSelect = assertSelects
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1978
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1979 def assertSelectMultiple(self, *tests):
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1980 for selector, expected_ids in tests:
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1981 self.assertSelect(selector, expected_ids)
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1982
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1983 def test_one_tag_one(self):
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1984 els = self.soup.select('title')
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1985 self.assertEqual(len(els), 1)
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1986 self.assertEqual(els[0].name, 'title')
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1987 self.assertEqual(els[0].contents, ['The title'])
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1988
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1989 def test_one_tag_many(self):
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1990 els = self.soup.select('div')
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1991 self.assertEqual(len(els), 4)
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1992 for div in els:
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1993 self.assertEqual(div.name, 'div')
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1994
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1995 el = self.soup.select_one('div')
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1996 self.assertEqual('main', el['id'])
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1997
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1998 def test_select_one_returns_none_if_no_match(self):
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1999 match = self.soup.select_one('nonexistenttag')
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2000 self.assertEqual(None, match)
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2001
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2002
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2003 def test_tag_in_tag_one(self):
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guerler
parents:
diff changeset
2004 els = self.soup.select('div div')
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guerler
parents:
diff changeset
2005 self.assertSelects('div div', ['inner', 'data1'])
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guerler
parents:
diff changeset
2006
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guerler
parents:
diff changeset
2007 def test_tag_in_tag_many(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2008 for selector in ('html div', 'html body div', 'body div'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2009 self.assertSelects(selector, ['data1', 'main', 'inner', 'footer'])
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guerler
parents:
diff changeset
2010
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guerler
parents:
diff changeset
2011
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guerler
parents:
diff changeset
2012 def test_limit(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2013 self.assertSelects('html div', ['main'], limit=1)
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guerler
parents:
diff changeset
2014 self.assertSelects('html body div', ['inner', 'main'], limit=2)
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guerler
parents:
diff changeset
2015 self.assertSelects('body div', ['data1', 'main', 'inner', 'footer'],
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guerler
parents:
diff changeset
2016 limit=10)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2017
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2018 def test_tag_no_match(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2019 self.assertEqual(len(self.soup.select('del')), 0)
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guerler
parents:
diff changeset
2020
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guerler
parents:
diff changeset
2021 def test_invalid_tag(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2022 self.assertRaises(SelectorSyntaxError, self.soup.select, 'tag%t')
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guerler
parents:
diff changeset
2023
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guerler
parents:
diff changeset
2024 def test_select_dashed_tag_ids(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2025 self.assertSelects('custom-dashed-tag', ['dash1', 'dash2'])
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guerler
parents:
diff changeset
2026
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guerler
parents:
diff changeset
2027 def test_select_dashed_by_id(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2028 dashed = self.soup.select('custom-dashed-tag[id=\"dash2\"]')
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guerler
parents:
diff changeset
2029 self.assertEqual(dashed[0].name, 'custom-dashed-tag')
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guerler
parents:
diff changeset
2030 self.assertEqual(dashed[0]['id'], 'dash2')
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guerler
parents:
diff changeset
2031
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guerler
parents:
diff changeset
2032 def test_dashed_tag_text(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2033 self.assertEqual(self.soup.select('body > custom-dashed-tag')[0].text, 'Hello there.')
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guerler
parents:
diff changeset
2034
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guerler
parents:
diff changeset
2035 def test_select_dashed_matches_find_all(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2036 self.assertEqual(self.soup.select('custom-dashed-tag'), self.soup.find_all('custom-dashed-tag'))
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guerler
parents:
diff changeset
2037
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guerler
parents:
diff changeset
2038 def test_header_tags(self):
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guerler
parents:
diff changeset
2039 self.assertSelectMultiple(
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guerler
parents:
diff changeset
2040 ('h1', ['header1']),
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guerler
parents:
diff changeset
2041 ('h2', ['header2', 'header3']),
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guerler
parents:
diff changeset
2042 )
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guerler
parents:
diff changeset
2043
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guerler
parents:
diff changeset
2044 def test_class_one(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2045 for selector in ('.onep', 'p.onep', 'html p.onep'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2046 els = self.soup.select(selector)
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guerler
parents:
diff changeset
2047 self.assertEqual(len(els), 1)
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guerler
parents:
diff changeset
2048 self.assertEqual(els[0].name, 'p')
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guerler
parents:
diff changeset
2049 self.assertEqual(els[0]['class'], ['onep'])
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guerler
parents:
diff changeset
2050
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guerler
parents:
diff changeset
2051 def test_class_mismatched_tag(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2052 els = self.soup.select('div.onep')
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guerler
parents:
diff changeset
2053 self.assertEqual(len(els), 0)
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guerler
parents:
diff changeset
2054
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guerler
parents:
diff changeset
2055 def test_one_id(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2056 for selector in ('div#inner', '#inner', 'div div#inner'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2057 self.assertSelects(selector, ['inner'])
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guerler
parents:
diff changeset
2058
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guerler
parents:
diff changeset
2059 def test_bad_id(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2060 els = self.soup.select('#doesnotexist')
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guerler
parents:
diff changeset
2061 self.assertEqual(len(els), 0)
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guerler
parents:
diff changeset
2062
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guerler
parents:
diff changeset
2063 def test_items_in_id(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2064 els = self.soup.select('div#inner p')
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guerler
parents:
diff changeset
2065 self.assertEqual(len(els), 3)
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guerler
parents:
diff changeset
2066 for el in els:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2067 self.assertEqual(el.name, 'p')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2068 self.assertEqual(els[1]['class'], ['onep'])
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guerler
parents:
diff changeset
2069 self.assertFalse(els[0].has_attr('class'))
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guerler
parents:
diff changeset
2070
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guerler
parents:
diff changeset
2071 def test_a_bunch_of_emptys(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2072 for selector in ('div#main del', 'div#main div.oops', 'div div#main'):
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guerler
parents:
diff changeset
2073 self.assertEqual(len(self.soup.select(selector)), 0)
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guerler
parents:
diff changeset
2074
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2075 def test_multi_class_support(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2076 for selector in ('.class1', 'p.class1', '.class2', 'p.class2',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2077 '.class3', 'p.class3', 'html p.class2', 'div#inner .class2'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2078 self.assertSelects(selector, ['pmulti'])
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guerler
parents:
diff changeset
2079
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2080 def test_multi_class_selection(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2081 for selector in ('.class1.class3', '.class3.class2',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2082 '.class1.class2.class3'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2083 self.assertSelects(selector, ['pmulti'])
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guerler
parents:
diff changeset
2084
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2085 def test_child_selector(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2086 self.assertSelects('.s1 > a', ['s1a1', 's1a2'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2087 self.assertSelects('.s1 > a span', ['s1a2s1'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2088
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2089 def test_child_selector_id(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2090 self.assertSelects('.s1 > a#s1a2 span', ['s1a2s1'])
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guerler
parents:
diff changeset
2091
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2092 def test_attribute_equals(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2093 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2094 ('p[class="onep"]', ['p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2095 ('p[id="p1"]', ['p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2096 ('[class="onep"]', ['p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2097 ('[id="p1"]', ['p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2098 ('link[rel="stylesheet"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2099 ('link[type="text/css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2100 ('link[href="blah.css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2101 ('link[href="no-blah.css"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2102 ('[rel="stylesheet"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2103 ('[type="text/css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2104 ('[href="blah.css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2105 ('[href="no-blah.css"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2106 ('p[href="no-blah.css"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2107 ('[href="no-blah.css"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2108 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2109
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2110 def test_attribute_tilde(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2111 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2112 ('p[class~="class1"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2113 ('p[class~="class2"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2114 ('p[class~="class3"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2115 ('[class~="class1"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2116 ('[class~="class2"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2117 ('[class~="class3"]', ['pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2118 ('a[rel~="friend"]', ['bob']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2119 ('a[rel~="met"]', ['bob']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2120 ('[rel~="friend"]', ['bob']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2121 ('[rel~="met"]', ['bob']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2122 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2123
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2124 def test_attribute_startswith(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2125 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2126 ('[rel^="style"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2127 ('link[rel^="style"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2128 ('notlink[rel^="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2129 ('[rel^="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2130 ('link[rel^="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2131 ('link[href^="bla"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2132 ('a[href^="http://"]', ['bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2133 ('[href^="http://"]', ['bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2134 ('[id^="p"]', ['pmulti', 'p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2135 ('[id^="m"]', ['me', 'main']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2136 ('div[id^="m"]', ['main']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2137 ('a[id^="m"]', ['me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2138 ('div[data-tag^="dashed"]', ['data1'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2139 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2140
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2141 def test_attribute_endswith(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2142 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2143 ('[href$=".css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2144 ('link[href$=".css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2145 ('link[id$="1"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2146 ('[id$="1"]', ['data1', 'l1', 'p1', 'header1', 's1a1', 's2a1', 's1a2s1', 'dash1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2147 ('div[id$="1"]', ['data1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2148 ('[id$="noending"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2149 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2150
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2151 def test_attribute_contains(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2152 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2153 # From test_attribute_startswith
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2154 ('[rel*="style"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2155 ('link[rel*="style"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2156 ('notlink[rel*="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2157 ('[rel*="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2158 ('link[rel*="notstyle"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2159 ('link[href*="bla"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2160 ('[href*="http://"]', ['bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2161 ('[id*="p"]', ['pmulti', 'p1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2162 ('div[id*="m"]', ['main']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2163 ('a[id*="m"]', ['me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2164 # From test_attribute_endswith
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2165 ('[href*=".css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2166 ('link[href*=".css"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2167 ('link[id*="1"]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2168 ('[id*="1"]', ['data1', 'l1', 'p1', 'header1', 's1a1', 's1a2', 's2a1', 's1a2s1', 'dash1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2169 ('div[id*="1"]', ['data1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2170 ('[id*="noending"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2171 # New for this test
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2172 ('[href*="."]', ['bob', 'me', 'l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2173 ('a[href*="."]', ['bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2174 ('link[href*="."]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2175 ('div[id*="n"]', ['main', 'inner']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2176 ('div[id*="nn"]', ['inner']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2177 ('div[data-tag*="edval"]', ['data1'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2178 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2179
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2180 def test_attribute_exact_or_hypen(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2181 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2182 ('p[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2183 ('[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2184 ('p[lang|="fr"]', ['lang-fr']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2185 ('p[lang|="gb"]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2186 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2187
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2188 def test_attribute_exists(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2189 self.assertSelectMultiple(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2190 ('[rel]', ['l1', 'bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2191 ('link[rel]', ['l1']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2192 ('a[rel]', ['bob', 'me']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2193 ('[lang]', ['lang-en', 'lang-en-gb', 'lang-en-us', 'lang-fr']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2194 ('p[class]', ['p1', 'pmulti']),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2195 ('[blah]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2196 ('p[blah]', []),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2197 ('div[data-tag]', ['data1'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2198 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2199
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2200 def test_quoted_space_in_selector_name(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2201 html = """<div style="display: wrong">nope</div>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2202 <div style="display: right">yes</div>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2203 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2204 soup = BeautifulSoup(html, 'html.parser')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2205 [chosen] = soup.select('div[style="display: right"]')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2206 self.assertEqual("yes", chosen.string)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2207
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2208 def test_unsupported_pseudoclass(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2209 self.assertRaises(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2210 NotImplementedError, self.soup.select, "a:no-such-pseudoclass")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2211
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2212 self.assertRaises(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2213 SelectorSyntaxError, self.soup.select, "a:nth-of-type(a)")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2214
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2215 def test_nth_of_type(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2216 # Try to select first paragraph
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2217 els = self.soup.select('div#inner p:nth-of-type(1)')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2218 self.assertEqual(len(els), 1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2219 self.assertEqual(els[0].string, 'Some text')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2220
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2221 # Try to select third paragraph
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2222 els = self.soup.select('div#inner p:nth-of-type(3)')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2223 self.assertEqual(len(els), 1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2224 self.assertEqual(els[0].string, 'Another')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2225
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2226 # Try to select (non-existent!) fourth paragraph
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2227 els = self.soup.select('div#inner p:nth-of-type(4)')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2228 self.assertEqual(len(els), 0)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2229
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2230 # Zero will select no tags.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2231 els = self.soup.select('div p:nth-of-type(0)')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2232 self.assertEqual(len(els), 0)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2233
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2234 def test_nth_of_type_direct_descendant(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2235 els = self.soup.select('div#inner > p:nth-of-type(1)')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2236 self.assertEqual(len(els), 1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2237 self.assertEqual(els[0].string, 'Some text')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2238
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2239 def test_id_child_selector_nth_of_type(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2240 self.assertSelects('#inner > p:nth-of-type(2)', ['p1'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2241
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2242 def test_select_on_element(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2243 # Other tests operate on the tree; this operates on an element
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2244 # within the tree.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2245 inner = self.soup.find("div", id="main")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2246 selected = inner.select("div")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2247 # The <div id="inner"> tag was selected. The <div id="footer">
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
2248 # tag was not.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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2249 self.assertSelectsIDs(selected, ['inner', 'data1'])
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2250
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2251 def test_overspecified_child_id(self):
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2252 self.assertSelects(".fancy #inner", ['inner'])
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2253 self.assertSelects(".normal #inner", [])
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2254
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2255 def test_adjacent_sibling_selector(self):
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2256 self.assertSelects('#p1 + h2', ['header2'])
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2257 self.assertSelects('#p1 + h2 + p', ['pmulti'])
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2258 self.assertSelects('#p1 + #header2 + .class1', ['pmulti'])
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2259 self.assertEqual([], self.soup.select('#p1 + p'))
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2260
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2261 def test_general_sibling_selector(self):
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2262 self.assertSelects('#p1 ~ h2', ['header2', 'header3'])
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2263 self.assertSelects('#p1 ~ #header2', ['header2'])
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2264 self.assertSelects('#p1 ~ h2 + a', ['me'])
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2265 self.assertSelects('#p1 ~ h2 + [rel="me"]', ['me'])
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2266 self.assertEqual([], self.soup.select('#inner ~ h2'))
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2267
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2268 def test_dangling_combinator(self):
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2269 self.assertRaises(SelectorSyntaxError, self.soup.select, 'h1 >')
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2270
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2271 def test_sibling_combinator_wont_select_same_tag_twice(self):
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2272 self.assertSelects('p[lang] ~ p', ['lang-en-gb', 'lang-en-us', 'lang-fr'])
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2273
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2274 # Test the selector grouping operator (the comma)
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2275 def test_multiple_select(self):
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2276 self.assertSelects('x, y', ['xid', 'yid'])
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2277
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2278 def test_multiple_select_with_no_space(self):
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2279 self.assertSelects('x,y', ['xid', 'yid'])
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2280
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2281 def test_multiple_select_with_more_space(self):
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2282 self.assertSelects('x, y', ['xid', 'yid'])
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2283
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2284 def test_multiple_select_duplicated(self):
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2285 self.assertSelects('x, x', ['xid'])
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2286
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2287 def test_multiple_select_sibling(self):
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2288 self.assertSelects('x, y ~ p[lang=fr]', ['xid', 'lang-fr'])
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2289
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2290 def test_multiple_select_tag_and_direct_descendant(self):
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2291 self.assertSelects('x, y > z', ['xid', 'zidb'])
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2292
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2293 def test_multiple_select_direct_descendant_and_tags(self):
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2294 self.assertSelects('div > x, y, z', ['xid', 'yid', 'zida', 'zidb', 'zidab', 'zidac'])
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2295
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2296 def test_multiple_select_indirect_descendant(self):
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2297 self.assertSelects('div x,y, z', ['xid', 'yid', 'zida', 'zidb', 'zidab', 'zidac'])
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2298
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2299 def test_invalid_multiple_select(self):
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2300 self.assertRaises(SelectorSyntaxError, self.soup.select, ',x, y')
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2301 self.assertRaises(SelectorSyntaxError, self.soup.select, 'x,,y')
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2302
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2303 def test_multiple_select_attrs(self):
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2304 self.assertSelects('p[lang=en], p[lang=en-gb]', ['lang-en', 'lang-en-gb'])
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2305
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2306 def test_multiple_select_ids(self):
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2307 self.assertSelects('x, y > z[id=zida], z[id=zidab], z[id=zidb]', ['xid', 'zidb', 'zidab'])
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2308
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2309 def test_multiple_select_nested(self):
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2310 self.assertSelects('body > div > x, y > z', ['xid', 'zidb'])
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2311
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2312 def test_select_duplicate_elements(self):
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2313 # When markup contains duplicate elements, a multiple select
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2314 # will find all of them.
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2315 markup = '<div class="c1"/><div class="c2"/><div class="c1"/>'
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2316 soup = BeautifulSoup(markup, 'html.parser')
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2317 selected = soup.select(".c1, .c2")
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2318 self.assertEqual(3, len(selected))
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2319
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2320 # Verify that find_all finds the same elements, though because
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2321 # of an implementation detail it finds them in a different
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2322 # order.
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2323 for element in soup.find_all(class_=['c1', 'c2']):
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2324 assert element in selected