Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/bs4/testing.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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1 # encoding: utf-8
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2 """Helper classes for tests."""
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3
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4 # Use of this source code is governed by the MIT license.
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5 __license__ = "MIT"
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6
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7 import pickle
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8 import copy
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9 import functools
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10 import unittest
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11 from unittest import TestCase
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12 from bs4 import BeautifulSoup
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13 from bs4.element import (
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14 CharsetMetaAttributeValue,
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15 Comment,
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16 ContentMetaAttributeValue,
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17 Doctype,
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18 PYTHON_SPECIFIC_ENCODINGS,
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19 SoupStrainer,
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20 Script,
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21 Stylesheet,
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22 Tag
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23 )
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24
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25 from bs4.builder import HTMLParserTreeBuilder
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26 default_builder = HTMLParserTreeBuilder
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27
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28 BAD_DOCUMENT = """A bare string
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29 <!DOCTYPE xsl:stylesheet SYSTEM "htmlent.dtd">
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30 <!DOCTYPE xsl:stylesheet PUBLIC "htmlent.dtd">
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31 <div><![CDATA[A CDATA section where it doesn't belong]]></div>
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32 <div><svg><![CDATA[HTML5 does allow CDATA sections in SVG]]></svg></div>
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33 <div>A <meta> tag</div>
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34 <div>A <br> tag that supposedly has contents.</br></div>
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35 <div>AT&T</div>
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36 <div><textarea>Within a textarea, markup like <b> tags and <&<&amp; should be treated as literal</textarea></div>
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37 <div><script>if (i < 2) { alert("<b>Markup within script tags should be treated as literal.</b>"); }</script></div>
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38 <div>This numeric entity is missing the final semicolon: <x t="pi&#241ata"></div>
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39 <div><a href="http://example.com/</a> that attribute value never got closed</div>
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40 <div><a href="foo</a>, </a><a href="bar">that attribute value was closed by the subsequent tag</a></div>
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41 <! This document starts with a bogus declaration ><div>a</div>
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42 <div>This document contains <!an incomplete declaration <div>(do you see it?)</div>
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43 <div>This document ends with <!an incomplete declaration
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44 <div><a style={height:21px;}>That attribute value was bogus</a></div>
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45 <! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">The doctype is invalid because it contains extra whitespace
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46 <div><table><td nowrap>That boolean attribute had no value</td></table></div>
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47 <div>Here's a nonexistent entity: &#foo; (do you see it?)</div>
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48 <div>This document ends before the entity finishes: &gt
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49 <div><p>Paragraphs shouldn't contain block display elements, but this one does: <dl><dt>you see?</dt></p>
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50 <b b="20" a="1" b="10" a="2" a="3" a="4">Multiple values for the same attribute.</b>
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51 <div><table><tr><td>Here's a table</td></tr></table></div>
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52 <div><table id="1"><tr><td>Here's a nested table:<table id="2"><tr><td>foo</td></tr></table></td></div>
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53 <div>This tag contains nothing but whitespace: <b> </b></div>
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54 <div><blockquote><p><b>This p tag is cut off by</blockquote></p>the end of the blockquote tag</div>
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55 <div><table><div>This table contains bare markup</div></table></div>
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56 <div><div id="1">\n <a href="link1">This link is never closed.\n</div>\n<div id="2">\n <div id="3">\n <a href="link2">This link is closed.</a>\n </div>\n</div></div>
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57 <div>This document contains a <!DOCTYPE surprise>surprise doctype</div>
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58 <div><a><B><Cd><EFG>Mixed case tags are folded to lowercase</efg></CD></b></A></div>
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59 <div><our\u2603>Tag name contains Unicode characters</our\u2603></div>
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60 <div><a \u2603="snowman">Attribute name contains Unicode characters</a></div>
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61 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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62 """
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63
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64
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65 class SoupTest(unittest.TestCase):
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66
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67 @property
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68 def default_builder(self):
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69 return default_builder
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70
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71 def soup(self, markup, **kwargs):
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72 """Build a Beautiful Soup object from markup."""
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73 builder = kwargs.pop('builder', self.default_builder)
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74 return BeautifulSoup(markup, builder=builder, **kwargs)
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75
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76 def document_for(self, markup, **kwargs):
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77 """Turn an HTML fragment into a document.
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78
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79 The details depend on the builder.
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80 """
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81 return self.default_builder(**kwargs).test_fragment_to_document(markup)
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82
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83 def assertSoupEquals(self, to_parse, compare_parsed_to=None):
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84 builder = self.default_builder
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85 obj = BeautifulSoup(to_parse, builder=builder)
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86 if compare_parsed_to is None:
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87 compare_parsed_to = to_parse
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88
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89 # Verify that the documents come out the same.
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90 self.assertEqual(obj.decode(), self.document_for(compare_parsed_to))
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91
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92 # Also run some checks on the BeautifulSoup object itself:
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93
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94 # Verify that every tag that was opened was eventually closed.
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95
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96 # There are no tags in the open tag counter.
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97 assert all(v==0 for v in list(obj.open_tag_counter.values()))
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98
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99 # The only tag in the tag stack is the one for the root
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100 # document.
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101 self.assertEqual(
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102 [obj.ROOT_TAG_NAME], [x.name for x in obj.tagStack]
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103 )
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104
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105 def assertConnectedness(self, element):
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106 """Ensure that next_element and previous_element are properly
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107 set for all descendants of the given element.
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108 """
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109 earlier = None
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110 for e in element.descendants:
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111 if earlier:
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112 self.assertEqual(e, earlier.next_element)
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113 self.assertEqual(earlier, e.previous_element)
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114 earlier = e
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115
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116 def linkage_validator(self, el, _recursive_call=False):
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117 """Ensure proper linkage throughout the document."""
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118 descendant = None
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119 # Document element should have no previous element or previous sibling.
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120 # It also shouldn't have a next sibling.
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121 if el.parent is None:
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122 assert el.previous_element is None,\
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123 "Bad previous_element\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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124 el, el.previous_element, None
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125 )
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126 assert el.previous_sibling is None,\
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127 "Bad previous_sibling\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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128 el, el.previous_sibling, None
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129 )
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130 assert el.next_sibling is None,\
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131 "Bad next_sibling\nNODE: {}\nNEXT: {}\nEXPECTED: {}".format(
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132 el, el.next_sibling, None
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133 )
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134
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135 idx = 0
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136 child = None
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137 last_child = None
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138 last_idx = len(el.contents) - 1
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139 for child in el.contents:
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140 descendant = None
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141
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142 # Parent should link next element to their first child
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143 # That child should have no previous sibling
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144 if idx == 0:
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145 if el.parent is not None:
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146 assert el.next_element is child,\
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parents:
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147 "Bad next_element\nNODE: {}\nNEXT: {}\nEXPECTED: {}".format(
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148 el, el.next_element, child
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149 )
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150 assert child.previous_element is el,\
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151 "Bad previous_element\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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152 child, child.previous_element, el
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153 )
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154 assert child.previous_sibling is None,\
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155 "Bad previous_sibling\nNODE: {}\nPREV {}\nEXPECTED: {}".format(
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156 child, child.previous_sibling, None
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157 )
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158
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159 # If not the first child, previous index should link as sibling to this index
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160 # Previous element should match the last index or the last bubbled up descendant
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161 else:
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162 assert child.previous_sibling is el.contents[idx - 1],\
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163 "Bad previous_sibling\nNODE: {}\nPREV {}\nEXPECTED {}".format(
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164 child, child.previous_sibling, el.contents[idx - 1]
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165 )
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166 assert el.contents[idx - 1].next_sibling is child,\
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167 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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168 el.contents[idx - 1], el.contents[idx - 1].next_sibling, child
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169 )
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170
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171 if last_child is not None:
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172 assert child.previous_element is last_child,\
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173 "Bad previous_element\nNODE: {}\nPREV {}\nEXPECTED {}\nCONTENTS {}".format(
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174 child, child.previous_element, last_child, child.parent.contents
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175 )
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176 assert last_child.next_element is child,\
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177 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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178 last_child, last_child.next_element, child
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179 )
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180
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181 if isinstance(child, Tag) and child.contents:
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182 descendant = self.linkage_validator(child, True)
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183 # A bubbled up descendant should have no next siblings
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184 assert descendant.next_sibling is None,\
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185 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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186 descendant, descendant.next_sibling, None
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187 )
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188
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189 # Mark last child as either the bubbled up descendant or the current child
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190 if descendant is not None:
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191 last_child = descendant
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192 else:
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193 last_child = child
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194
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195 # If last child, there are non next siblings
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diff changeset
196 if idx == last_idx:
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diff changeset
197 assert child.next_sibling is None,\
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parents:
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198 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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diff changeset
199 child, child.next_sibling, None
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diff changeset
200 )
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diff changeset
201 idx += 1
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diff changeset
202
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diff changeset
203 child = descendant if descendant is not None else child
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parents:
diff changeset
204 if child is None:
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diff changeset
205 child = el
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diff changeset
206
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parents:
diff changeset
207 if not _recursive_call and child is not None:
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diff changeset
208 target = el
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diff changeset
209 while True:
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diff changeset
210 if target is None:
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diff changeset
211 assert child.next_element is None, \
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parents:
diff changeset
212 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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parents:
diff changeset
213 child, child.next_element, None
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diff changeset
214 )
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diff changeset
215 break
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diff changeset
216 elif target.next_sibling is not None:
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parents:
diff changeset
217 assert child.next_element is target.next_sibling, \
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parents:
diff changeset
218 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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parents:
diff changeset
219 child, child.next_element, target.next_sibling
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diff changeset
220 )
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diff changeset
221 break
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diff changeset
222 target = target.parent
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223
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224 # We are done, so nothing to return
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225 return None
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parents:
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226 else:
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227 # Return the child to the recursive caller
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228 return child
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229
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230
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231 class HTMLTreeBuilderSmokeTest(object):
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232
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diff changeset
233 """A basic test of a treebuilder's competence.
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234
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235 Any HTML treebuilder, present or future, should be able to pass
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parents:
diff changeset
236 these tests. With invalid markup, there's room for interpretation,
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237 and different parsers can handle it differently. But with the
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diff changeset
238 markup in these tests, there's not much room for interpretation.
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239 """
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240
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241 def test_empty_element_tags(self):
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242 """Verify that all HTML4 and HTML5 empty element (aka void element) tags
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parents:
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243 are handled correctly.
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244 """
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245 for name in [
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246 'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr',
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247 'spacer', 'frame'
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248 ]:
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249 soup = self.soup("")
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250 new_tag = soup.new_tag(name)
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251 self.assertEqual(True, new_tag.is_empty_element)
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252
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253 def test_special_string_containers(self):
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254 soup = self.soup(
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255 "<style>Some CSS</style><script>Some Javascript</script>"
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256 )
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257 assert isinstance(soup.style.string, Stylesheet)
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258 assert isinstance(soup.script.string, Script)
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259
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260 soup = self.soup(
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261 "<style><!--Some CSS--></style>"
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262 )
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263 assert isinstance(soup.style.string, Stylesheet)
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264 # The contents of the style tag resemble an HTML comment, but
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265 # it's not treated as a comment.
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266 self.assertEqual("<!--Some CSS-->", soup.style.string)
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267 assert isinstance(soup.style.string, Stylesheet)
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268
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269 def test_pickle_and_unpickle_identity(self):
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270 # Pickling a tree, then unpickling it, yields a tree identical
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271 # to the original.
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272 tree = self.soup("<a><b>foo</a>")
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273 dumped = pickle.dumps(tree, 2)
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274 loaded = pickle.loads(dumped)
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275 self.assertEqual(loaded.__class__, BeautifulSoup)
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276 self.assertEqual(loaded.decode(), tree.decode())
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277
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278 def assertDoctypeHandled(self, doctype_fragment):
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279 """Assert that a given doctype string is handled correctly."""
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280 doctype_str, soup = self._document_with_doctype(doctype_fragment)
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281
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282 # Make sure a Doctype object was created.
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283 doctype = soup.contents[0]
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284 self.assertEqual(doctype.__class__, Doctype)
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285 self.assertEqual(doctype, doctype_fragment)
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286 self.assertEqual(
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287 soup.encode("utf8")[:len(doctype_str)],
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288 doctype_str
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289 )
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290
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291 # Make sure that the doctype was correctly associated with the
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292 # parse tree and that the rest of the document parsed.
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293 self.assertEqual(soup.p.contents[0], 'foo')
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294
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295 def _document_with_doctype(self, doctype_fragment, doctype_string="DOCTYPE"):
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296 """Generate and parse a document with the given doctype."""
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297 doctype = '<!%s %s>' % (doctype_string, doctype_fragment)
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298 markup = doctype + '\n<p>foo</p>'
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299 soup = self.soup(markup)
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300 return doctype.encode("utf8"), soup
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301
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302 def test_normal_doctypes(self):
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303 """Make sure normal, everyday HTML doctypes are handled correctly."""
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304 self.assertDoctypeHandled("html")
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305 self.assertDoctypeHandled(
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306 'html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"')
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307
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308 def test_empty_doctype(self):
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309 soup = self.soup("<!DOCTYPE>")
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310 doctype = soup.contents[0]
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311 self.assertEqual("", doctype.strip())
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312
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313 def test_mixed_case_doctype(self):
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314 # A lowercase or mixed-case doctype becomes a Doctype.
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315 for doctype_fragment in ("doctype", "DocType"):
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316 doctype_str, soup = self._document_with_doctype(
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317 "html", doctype_fragment
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318 )
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319
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320 # Make sure a Doctype object was created and that the DOCTYPE
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321 # is uppercase.
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322 doctype = soup.contents[0]
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323 self.assertEqual(doctype.__class__, Doctype)
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324 self.assertEqual(doctype, "html")
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325 self.assertEqual(
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326 soup.encode("utf8")[:len(doctype_str)],
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327 b"<!DOCTYPE html>"
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328 )
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329
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330 # Make sure that the doctype was correctly associated with the
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331 # parse tree and that the rest of the document parsed.
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332 self.assertEqual(soup.p.contents[0], 'foo')
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333
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334 def test_public_doctype_with_url(self):
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335 doctype = 'html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"'
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336 self.assertDoctypeHandled(doctype)
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337
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338 def test_system_doctype(self):
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339 self.assertDoctypeHandled('foo SYSTEM "http://www.example.com/"')
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340
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341 def test_namespaced_system_doctype(self):
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342 # We can handle a namespaced doctype with a system ID.
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343 self.assertDoctypeHandled('xsl:stylesheet SYSTEM "htmlent.dtd"')
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344
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345 def test_namespaced_public_doctype(self):
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346 # Test a namespaced doctype with a public id.
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347 self.assertDoctypeHandled('xsl:stylesheet PUBLIC "htmlent.dtd"')
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348
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349 def test_real_xhtml_document(self):
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350 """A real XHTML document should come out more or less the same as it went in."""
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351 markup = b"""<?xml version="1.0" encoding="utf-8"?>
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352 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
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353 <html xmlns="http://www.w3.org/1999/xhtml">
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354 <head><title>Hello.</title></head>
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355 <body>Goodbye.</body>
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356 </html>"""
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357 soup = self.soup(markup)
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358 self.assertEqual(
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359 soup.encode("utf-8").replace(b"\n", b""),
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360 markup.replace(b"\n", b""))
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361
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362 def test_namespaced_html(self):
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363 """When a namespaced XML document is parsed as HTML it should
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364 be treated as HTML with weird tag names.
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365 """
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366 markup = b"""<ns1:foo>content</ns1:foo><ns1:foo/><ns2:foo/>"""
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367 soup = self.soup(markup)
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368 self.assertEqual(2, len(soup.find_all("ns1:foo")))
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369
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370 def test_processing_instruction(self):
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371 # We test both Unicode and bytestring to verify that
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372 # process_markup correctly sets processing_instruction_class
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373 # even when the markup is already Unicode and there is no
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374 # need to process anything.
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375 markup = """<?PITarget PIContent?>"""
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376 soup = self.soup(markup)
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377 self.assertEqual(markup, soup.decode())
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378
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379 markup = b"""<?PITarget PIContent?>"""
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380 soup = self.soup(markup)
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381 self.assertEqual(markup, soup.encode("utf8"))
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382
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383 def test_deepcopy(self):
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384 """Make sure you can copy the tree builder.
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385
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386 This is important because the builder is part of a
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387 BeautifulSoup object, and we want to be able to copy that.
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388 """
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389 copy.deepcopy(self.default_builder)
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390
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391 def test_p_tag_is_never_empty_element(self):
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392 """A <p> tag is never designated as an empty-element tag.
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393
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394 Even if the markup shows it as an empty-element tag, it
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395 shouldn't be presented that way.
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396 """
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397 soup = self.soup("<p/>")
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398 self.assertFalse(soup.p.is_empty_element)
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399 self.assertEqual(str(soup.p), "<p></p>")
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400
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401 def test_unclosed_tags_get_closed(self):
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402 """A tag that's not closed by the end of the document should be closed.
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403
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404 This applies to all tags except empty-element tags.
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405 """
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406 self.assertSoupEquals("<p>", "<p></p>")
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407 self.assertSoupEquals("<b>", "<b></b>")
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408
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409 self.assertSoupEquals("<br>", "<br/>")
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410
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411 def test_br_is_always_empty_element_tag(self):
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412 """A <br> tag is designated as an empty-element tag.
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413
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414 Some parsers treat <br></br> as one <br/> tag, some parsers as
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415 two tags, but it should always be an empty-element tag.
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416 """
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417 soup = self.soup("<br></br>")
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418 self.assertTrue(soup.br.is_empty_element)
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419 self.assertEqual(str(soup.br), "<br/>")
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420
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421 def test_nested_formatting_elements(self):
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422 self.assertSoupEquals("<em><em></em></em>")
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423
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424 def test_double_head(self):
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425 html = '''<!DOCTYPE html>
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426 <html>
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427 <head>
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428 <title>Ordinary HEAD element test</title>
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429 </head>
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430 <script type="text/javascript">
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431 alert("Help!");
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432 </script>
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433 <body>
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434 Hello, world!
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435 </body>
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436 </html>
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437 '''
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438 soup = self.soup(html)
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439 self.assertEqual("text/javascript", soup.find('script')['type'])
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440
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441 def test_comment(self):
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442 # Comments are represented as Comment objects.
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443 markup = "<p>foo<!--foobar-->baz</p>"
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444 self.assertSoupEquals(markup)
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445
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446 soup = self.soup(markup)
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447 comment = soup.find(text="foobar")
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448 self.assertEqual(comment.__class__, Comment)
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449
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450 # The comment is properly integrated into the tree.
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451 foo = soup.find(text="foo")
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452 self.assertEqual(comment, foo.next_element)
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453 baz = soup.find(text="baz")
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454 self.assertEqual(comment, baz.previous_element)
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455
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456 def test_preserved_whitespace_in_pre_and_textarea(self):
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457 """Whitespace must be preserved in <pre> and <textarea> tags,
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458 even if that would mean not prettifying the markup.
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459 """
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460 pre_markup = "<pre> </pre>"
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461 textarea_markup = "<textarea> woo\nwoo </textarea>"
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462 self.assertSoupEquals(pre_markup)
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463 self.assertSoupEquals(textarea_markup)
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464
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465 soup = self.soup(pre_markup)
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466 self.assertEqual(soup.pre.prettify(), pre_markup)
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467
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468 soup = self.soup(textarea_markup)
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469 self.assertEqual(soup.textarea.prettify(), textarea_markup)
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470
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471 soup = self.soup("<textarea></textarea>")
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472 self.assertEqual(soup.textarea.prettify(), "<textarea></textarea>")
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473
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474 def test_nested_inline_elements(self):
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475 """Inline elements can be nested indefinitely."""
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476 b_tag = "<b>Inside a B tag</b>"
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477 self.assertSoupEquals(b_tag)
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478
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479 nested_b_tag = "<p>A <i>nested <b>tag</b></i></p>"
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480 self.assertSoupEquals(nested_b_tag)
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481
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482 double_nested_b_tag = "<p>A <a>doubly <i>nested <b>tag</b></i></a></p>"
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483 self.assertSoupEquals(nested_b_tag)
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484
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485 def test_nested_block_level_elements(self):
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486 """Block elements can be nested."""
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487 soup = self.soup('<blockquote><p><b>Foo</b></p></blockquote>')
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488 blockquote = soup.blockquote
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489 self.assertEqual(blockquote.p.b.string, 'Foo')
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490 self.assertEqual(blockquote.b.string, 'Foo')
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491
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492 def test_correctly_nested_tables(self):
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493 """One table can go inside another one."""
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494 markup = ('<table id="1">'
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495 '<tr>'
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496 "<td>Here's another table:"
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497 '<table id="2">'
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498 '<tr><td>foo</td></tr>'
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499 '</table></td>')
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500
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501 self.assertSoupEquals(
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502 markup,
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503 '<table id="1"><tr><td>Here\'s another table:'
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504 '<table id="2"><tr><td>foo</td></tr></table>'
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505 '</td></tr></table>')
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506
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507 self.assertSoupEquals(
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508 "<table><thead><tr><td>Foo</td></tr></thead>"
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509 "<tbody><tr><td>Bar</td></tr></tbody>"
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510 "<tfoot><tr><td>Baz</td></tr></tfoot></table>")
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511
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512 def test_multivalued_attribute_with_whitespace(self):
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513 # Whitespace separating the values of a multi-valued attribute
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514 # should be ignored.
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515
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516 markup = '<div class=" foo bar "></a>'
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517 soup = self.soup(markup)
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518 self.assertEqual(['foo', 'bar'], soup.div['class'])
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519
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520 # If you search by the literal name of the class it's like the whitespace
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521 # wasn't there.
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522 self.assertEqual(soup.div, soup.find('div', class_="foo bar"))
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523
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524 def test_deeply_nested_multivalued_attribute(self):
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525 # html5lib can set the attributes of the same tag many times
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526 # as it rearranges the tree. This has caused problems with
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527 # multivalued attributes.
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528 markup = '<table><div><div class="css"></div></div></table>'
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529 soup = self.soup(markup)
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530 self.assertEqual(["css"], soup.div.div['class'])
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531
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532 def test_multivalued_attribute_on_html(self):
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533 # html5lib uses a different API to set the attributes ot the
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534 # <html> tag. This has caused problems with multivalued
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535 # attributes.
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536 markup = '<html class="a b"></html>'
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537 soup = self.soup(markup)
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538 self.assertEqual(["a", "b"], soup.html['class'])
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539
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540 def test_angle_brackets_in_attribute_values_are_escaped(self):
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541 self.assertSoupEquals('<a b="<a>"></a>', '<a b="&lt;a&gt;"></a>')
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542
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543 def test_strings_resembling_character_entity_references(self):
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544 # "&T" and "&p" look like incomplete character entities, but they are
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545 # not.
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546 self.assertSoupEquals(
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547 "<p>&bull; AT&T is in the s&p 500</p>",
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548 "<p>\u2022 AT&amp;T is in the s&amp;p 500</p>"
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549 )
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550
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551 def test_apos_entity(self):
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552 self.assertSoupEquals(
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553 "<p>Bob&apos;s Bar</p>",
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554 "<p>Bob's Bar</p>",
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555 )
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556
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557 def test_entities_in_foreign_document_encoding(self):
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558 # &#147; and &#148; are invalid numeric entities referencing
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559 # Windows-1252 characters. &#45; references a character common
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560 # to Windows-1252 and Unicode, and &#9731; references a
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561 # character only found in Unicode.
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562 #
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563 # All of these entities should be converted to Unicode
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564 # characters.
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565 markup = "<p>&#147;Hello&#148; &#45;&#9731;</p>"
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566 soup = self.soup(markup)
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567 self.assertEqual("“Hello” -☃", soup.p.string)
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568
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569 def test_entities_in_attributes_converted_to_unicode(self):
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570 expect = '<p id="pi\N{LATIN SMALL LETTER N WITH TILDE}ata"></p>'
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571 self.assertSoupEquals('<p id="pi&#241;ata"></p>', expect)
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572 self.assertSoupEquals('<p id="pi&#xf1;ata"></p>', expect)
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573 self.assertSoupEquals('<p id="pi&#Xf1;ata"></p>', expect)
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574 self.assertSoupEquals('<p id="pi&ntilde;ata"></p>', expect)
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575
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576 def test_entities_in_text_converted_to_unicode(self):
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577 expect = '<p>pi\N{LATIN SMALL LETTER N WITH TILDE}ata</p>'
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578 self.assertSoupEquals("<p>pi&#241;ata</p>", expect)
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579 self.assertSoupEquals("<p>pi&#xf1;ata</p>", expect)
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580 self.assertSoupEquals("<p>pi&#Xf1;ata</p>", expect)
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581 self.assertSoupEquals("<p>pi&ntilde;ata</p>", expect)
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582
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583 def test_quot_entity_converted_to_quotation_mark(self):
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584 self.assertSoupEquals("<p>I said &quot;good day!&quot;</p>",
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585 '<p>I said "good day!"</p>')
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586
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587 def test_out_of_range_entity(self):
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588 expect = "\N{REPLACEMENT CHARACTER}"
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589 self.assertSoupEquals("&#10000000000000;", expect)
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590 self.assertSoupEquals("&#x10000000000000;", expect)
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591 self.assertSoupEquals("&#1000000000;", expect)
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592
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593 def test_multipart_strings(self):
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594 "Mostly to prevent a recurrence of a bug in the html5lib treebuilder."
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595 soup = self.soup("<html><h2>\nfoo</h2><p></p></html>")
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596 self.assertEqual("p", soup.h2.string.next_element.name)
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597 self.assertEqual("p", soup.p.name)
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598 self.assertConnectedness(soup)
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599
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600 def test_empty_element_tags(self):
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601 """Verify consistent handling of empty-element tags,
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602 no matter how they come in through the markup.
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603 """
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604 self.assertSoupEquals('<br/><br/><br/>', "<br/><br/><br/>")
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605 self.assertSoupEquals('<br /><br /><br />', "<br/><br/><br/>")
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606
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607 def test_head_tag_between_head_and_body(self):
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608 "Prevent recurrence of a bug in the html5lib treebuilder."
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609 content = """<html><head></head>
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610 <link></link>
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611 <body>foo</body>
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612 </html>
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613 """
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614 soup = self.soup(content)
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615 self.assertNotEqual(None, soup.html.body)
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616 self.assertConnectedness(soup)
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617
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618 def test_multiple_copies_of_a_tag(self):
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619 "Prevent recurrence of a bug in the html5lib treebuilder."
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620 content = """<!DOCTYPE html>
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621 <html>
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622 <body>
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623 <article id="a" >
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624 <div><a href="1"></div>
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625 <footer>
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626 <a href="2"></a>
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627 </footer>
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628 </article>
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629 </body>
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630 </html>
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631 """
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632 soup = self.soup(content)
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633 self.assertConnectedness(soup.article)
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634
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635 def test_basic_namespaces(self):
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636 """Parsers don't need to *understand* namespaces, but at the
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637 very least they should not choke on namespaces or lose
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638 data."""
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639
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640 markup = b'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:svg="http://www.w3.org/2000/svg"><head></head><body><mathml:msqrt>4</mathml:msqrt><b svg:fill="red"></b></body></html>'
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641 soup = self.soup(markup)
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642 self.assertEqual(markup, soup.encode())
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643 html = soup.html
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644 self.assertEqual('http://www.w3.org/1999/xhtml', soup.html['xmlns'])
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645 self.assertEqual(
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646 'http://www.w3.org/1998/Math/MathML', soup.html['xmlns:mathml'])
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647 self.assertEqual(
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648 'http://www.w3.org/2000/svg', soup.html['xmlns:svg'])
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649
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650 def test_multivalued_attribute_value_becomes_list(self):
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651 markup = b'<a class="foo bar">'
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652 soup = self.soup(markup)
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653 self.assertEqual(['foo', 'bar'], soup.a['class'])
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654
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655 #
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656 # Generally speaking, tests below this point are more tests of
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657 # Beautiful Soup than tests of the tree builders. But parsers are
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658 # weird, so we run these tests separately for every tree builder
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659 # to detect any differences between them.
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660 #
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661
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662 def test_can_parse_unicode_document(self):
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663 # A seemingly innocuous document... but it's in Unicode! And
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664 # it contains characters that can't be represented in the
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665 # encoding found in the declaration! The horror!
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666 markup = '<html><head><meta encoding="euc-jp"></head><body>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</body>'
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667 soup = self.soup(markup)
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668 self.assertEqual('Sacr\xe9 bleu!', soup.body.string)
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669
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670 def test_soupstrainer(self):
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671 """Parsers should be able to work with SoupStrainers."""
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672 strainer = SoupStrainer("b")
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673 soup = self.soup("A <b>bold</b> <meta/> <i>statement</i>",
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674 parse_only=strainer)
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675 self.assertEqual(soup.decode(), "<b>bold</b>")
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676
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677 def test_single_quote_attribute_values_become_double_quotes(self):
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678 self.assertSoupEquals("<foo attr='bar'></foo>",
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679 '<foo attr="bar"></foo>')
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680
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681 def test_attribute_values_with_nested_quotes_are_left_alone(self):
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682 text = """<foo attr='bar "brawls" happen'>a</foo>"""
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683 self.assertSoupEquals(text)
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684
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685 def test_attribute_values_with_double_nested_quotes_get_quoted(self):
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686 text = """<foo attr='bar "brawls" happen'>a</foo>"""
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687 soup = self.soup(text)
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688 soup.foo['attr'] = 'Brawls happen at "Bob\'s Bar"'
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689 self.assertSoupEquals(
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690 soup.foo.decode(),
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691 """<foo attr="Brawls happen at &quot;Bob\'s Bar&quot;">a</foo>""")
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692
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693 def test_ampersand_in_attribute_value_gets_escaped(self):
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694 self.assertSoupEquals('<this is="really messed up & stuff"></this>',
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695 '<this is="really messed up &amp; stuff"></this>')
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696
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697 self.assertSoupEquals(
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698 '<a href="http://example.org?a=1&b=2;3">foo</a>',
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699 '<a href="http://example.org?a=1&amp;b=2;3">foo</a>')
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700
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701 def test_escaped_ampersand_in_attribute_value_is_left_alone(self):
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702 self.assertSoupEquals('<a href="http://example.org?a=1&amp;b=2;3"></a>')
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703
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704 def test_entities_in_strings_converted_during_parsing(self):
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705 # Both XML and HTML entities are converted to Unicode characters
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706 # during parsing.
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707 text = "<p>&lt;&lt;sacr&eacute;&#32;bleu!&gt;&gt;</p>"
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708 expected = "<p>&lt;&lt;sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</p>"
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709 self.assertSoupEquals(text, expected)
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710
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711 def test_smart_quotes_converted_on_the_way_in(self):
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712 # Microsoft smart quotes are converted to Unicode characters during
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713 # parsing.
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714 quote = b"<p>\x91Foo\x92</p>"
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715 soup = self.soup(quote)
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716 self.assertEqual(
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717 soup.p.string,
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718 "\N{LEFT SINGLE QUOTATION MARK}Foo\N{RIGHT SINGLE QUOTATION MARK}")
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719
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720 def test_non_breaking_spaces_converted_on_the_way_in(self):
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721 soup = self.soup("<a>&nbsp;&nbsp;</a>")
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722 self.assertEqual(soup.a.string, "\N{NO-BREAK SPACE}" * 2)
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723
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724 def test_entities_converted_on_the_way_out(self):
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725 text = "<p>&lt;&lt;sacr&eacute;&#32;bleu!&gt;&gt;</p>"
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726 expected = "<p>&lt;&lt;sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</p>".encode("utf-8")
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727 soup = self.soup(text)
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728 self.assertEqual(soup.p.encode("utf-8"), expected)
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729
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730 def test_real_iso_latin_document(self):
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731 # Smoke test of interrelated functionality, using an
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parents:
diff changeset
732 # easy-to-understand document.
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parents:
diff changeset
733
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parents:
diff changeset
734 # Here it is in Unicode. Note that it claims to be in ISO-Latin-1.
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parents:
diff changeset
735 unicode_html = '<html><head><meta content="text/html; charset=ISO-Latin-1" http-equiv="Content-type"/></head><body><p>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</p></body></html>'
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parents:
diff changeset
736
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parents:
diff changeset
737 # That's because we're going to encode it into ISO-Latin-1, and use
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parents:
diff changeset
738 # that to test.
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parents:
diff changeset
739 iso_latin_html = unicode_html.encode("iso-8859-1")
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parents:
diff changeset
740
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parents:
diff changeset
741 # Parse the ISO-Latin-1 HTML.
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parents:
diff changeset
742 soup = self.soup(iso_latin_html)
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parents:
diff changeset
743 # Encode it to UTF-8.
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parents:
diff changeset
744 result = soup.encode("utf-8")
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diff changeset
745
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parents:
diff changeset
746 # What do we expect the result to look like? Well, it would
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parents:
diff changeset
747 # look like unicode_html, except that the META tag would say
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parents:
diff changeset
748 # UTF-8 instead of ISO-Latin-1.
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parents:
diff changeset
749 expected = unicode_html.replace("ISO-Latin-1", "utf-8")
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diff changeset
750
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diff changeset
751 # And, of course, it would be in UTF-8, not Unicode.
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diff changeset
752 expected = expected.encode("utf-8")
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diff changeset
753
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diff changeset
754 # Ta-da!
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diff changeset
755 self.assertEqual(result, expected)
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diff changeset
756
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diff changeset
757 def test_real_shift_jis_document(self):
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diff changeset
758 # Smoke test to make sure the parser can handle a document in
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parents:
diff changeset
759 # Shift-JIS encoding, without choking.
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diff changeset
760 shift_jis_html = (
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parents:
diff changeset
761 b'<html><head></head><body><pre>'
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parents:
diff changeset
762 b'\x82\xb1\x82\xea\x82\xcdShift-JIS\x82\xc5\x83R\x81[\x83f'
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parents:
diff changeset
763 b'\x83B\x83\x93\x83O\x82\xb3\x82\xea\x82\xbd\x93\xfa\x96{\x8c'
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parents:
diff changeset
764 b'\xea\x82\xcc\x83t\x83@\x83C\x83\x8b\x82\xc5\x82\xb7\x81B'
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parents:
diff changeset
765 b'</pre></body></html>')
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diff changeset
766 unicode_html = shift_jis_html.decode("shift-jis")
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diff changeset
767 soup = self.soup(unicode_html)
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diff changeset
768
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parents:
diff changeset
769 # Make sure the parse tree is correctly encoded to various
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diff changeset
770 # encodings.
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diff changeset
771 self.assertEqual(soup.encode("utf-8"), unicode_html.encode("utf-8"))
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diff changeset
772 self.assertEqual(soup.encode("euc_jp"), unicode_html.encode("euc_jp"))
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diff changeset
773
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diff changeset
774 def test_real_hebrew_document(self):
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diff changeset
775 # A real-world test to make sure we can convert ISO-8859-9 (a
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parents:
diff changeset
776 # Hebrew encoding) to UTF-8.
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diff changeset
777 hebrew_document = b'<html><head><title>Hebrew (ISO 8859-8) in Visual Directionality</title></head><body><h1>Hebrew (ISO 8859-8) in Visual Directionality</h1>\xed\xe5\xec\xf9</body></html>'
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diff changeset
778 soup = self.soup(
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diff changeset
779 hebrew_document, from_encoding="iso8859-8")
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parents:
diff changeset
780 # Some tree builders call it iso8859-8, others call it iso-8859-9.
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diff changeset
781 # That's not a difference we really care about.
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diff changeset
782 assert soup.original_encoding in ('iso8859-8', 'iso-8859-8')
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diff changeset
783 self.assertEqual(
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diff changeset
784 soup.encode('utf-8'),
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diff changeset
785 hebrew_document.decode("iso8859-8").encode("utf-8"))
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diff changeset
786
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diff changeset
787 def test_meta_tag_reflects_current_encoding(self):
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diff changeset
788 # Here's the <meta> tag saying that a document is
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diff changeset
789 # encoded in Shift-JIS.
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diff changeset
790 meta_tag = ('<meta content="text/html; charset=x-sjis" '
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diff changeset
791 'http-equiv="Content-type"/>')
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diff changeset
792
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diff changeset
793 # Here's a document incorporating that meta tag.
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diff changeset
794 shift_jis_html = (
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diff changeset
795 '<html><head>\n%s\n'
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diff changeset
796 '<meta http-equiv="Content-language" content="ja"/>'
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diff changeset
797 '</head><body>Shift-JIS markup goes here.') % meta_tag
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diff changeset
798 soup = self.soup(shift_jis_html)
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diff changeset
799
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diff changeset
800 # Parse the document, and the charset is seemingly unaffected.
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diff changeset
801 parsed_meta = soup.find('meta', {'http-equiv': 'Content-type'})
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diff changeset
802 content = parsed_meta['content']
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diff changeset
803 self.assertEqual('text/html; charset=x-sjis', content)
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diff changeset
804
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parents:
diff changeset
805 # But that value is actually a ContentMetaAttributeValue object.
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parents:
diff changeset
806 self.assertTrue(isinstance(content, ContentMetaAttributeValue))
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diff changeset
807
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diff changeset
808 # And it will take on a value that reflects its current
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diff changeset
809 # encoding.
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diff changeset
810 self.assertEqual('text/html; charset=utf8', content.encode("utf8"))
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diff changeset
811
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diff changeset
812 # For the rest of the story, see TestSubstitutions in
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parents:
diff changeset
813 # test_tree.py.
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diff changeset
814
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diff changeset
815 def test_html5_style_meta_tag_reflects_current_encoding(self):
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diff changeset
816 # Here's the <meta> tag saying that a document is
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parents:
diff changeset
817 # encoded in Shift-JIS.
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diff changeset
818 meta_tag = ('<meta id="encoding" charset="x-sjis" />')
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diff changeset
819
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diff changeset
820 # Here's a document incorporating that meta tag.
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diff changeset
821 shift_jis_html = (
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diff changeset
822 '<html><head>\n%s\n'
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diff changeset
823 '<meta http-equiv="Content-language" content="ja"/>'
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diff changeset
824 '</head><body>Shift-JIS markup goes here.') % meta_tag
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diff changeset
825 soup = self.soup(shift_jis_html)
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parents:
diff changeset
826
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diff changeset
827 # Parse the document, and the charset is seemingly unaffected.
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diff changeset
828 parsed_meta = soup.find('meta', id="encoding")
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diff changeset
829 charset = parsed_meta['charset']
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diff changeset
830 self.assertEqual('x-sjis', charset)
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diff changeset
831
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832 # But that value is actually a CharsetMetaAttributeValue object.
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parents:
diff changeset
833 self.assertTrue(isinstance(charset, CharsetMetaAttributeValue))
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diff changeset
834
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parents:
diff changeset
835 # And it will take on a value that reflects its current
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parents:
diff changeset
836 # encoding.
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diff changeset
837 self.assertEqual('utf8', charset.encode("utf8"))
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diff changeset
838
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diff changeset
839 def test_python_specific_encodings_not_used_in_charset(self):
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diff changeset
840 # You can encode an HTML document using a Python-specific
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parents:
diff changeset
841 # encoding, but that encoding won't be mentioned _inside_ the
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parents:
diff changeset
842 # resulting document. Instead, the document will appear to
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parents:
diff changeset
843 # have no encoding.
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parents:
diff changeset
844 for markup in [
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diff changeset
845 b'<meta charset="utf8"></head>'
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diff changeset
846 b'<meta id="encoding" charset="utf-8" />'
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847 ]:
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diff changeset
848 soup = self.soup(markup)
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diff changeset
849 for encoding in PYTHON_SPECIFIC_ENCODINGS:
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parents:
diff changeset
850 if encoding in (
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parents:
diff changeset
851 'idna', 'mbcs', 'oem', 'undefined',
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parents:
diff changeset
852 'string_escape', 'string-escape'
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parents:
diff changeset
853 ):
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parents:
diff changeset
854 # For one reason or another, these will raise an
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parents:
diff changeset
855 # exception if we actually try to use them, so don't
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parents:
diff changeset
856 # bother.
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parents:
diff changeset
857 continue
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parents:
diff changeset
858 encoded = soup.encode(encoding)
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parents:
diff changeset
859 assert b'meta charset=""' in encoded
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parents:
diff changeset
860 assert encoding.encode("ascii") not in encoded
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diff changeset
861
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diff changeset
862 def test_tag_with_no_attributes_can_have_attributes_added(self):
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diff changeset
863 data = self.soup("<a>text</a>")
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parents:
diff changeset
864 data.a['foo'] = 'bar'
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parents:
diff changeset
865 self.assertEqual('<a foo="bar">text</a>', data.a.decode())
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diff changeset
866
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diff changeset
867 def test_closing_tag_with_no_opening_tag(self):
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parents:
diff changeset
868 # Without BeautifulSoup.open_tag_counter, the </span> tag will
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parents:
diff changeset
869 # cause _popToTag to be called over and over again as we look
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diff changeset
870 # for a <span> tag that wasn't there. The result is that 'text2'
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diff changeset
871 # will show up outside the body of the document.
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diff changeset
872 soup = self.soup("<body><div><p>text1</p></span>text2</div></body>")
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diff changeset
873 self.assertEqual(
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diff changeset
874 "<body><div><p>text1</p>text2</div></body>", soup.body.decode()
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diff changeset
875 )
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diff changeset
876
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parents:
diff changeset
877 def test_worst_case(self):
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diff changeset
878 """Test the worst case (currently) for linking issues."""
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diff changeset
879
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diff changeset
880 soup = self.soup(BAD_DOCUMENT)
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parents:
diff changeset
881 self.linkage_validator(soup)
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parents:
diff changeset
882
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diff changeset
883
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parents:
diff changeset
884 class XMLTreeBuilderSmokeTest(object):
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parents:
diff changeset
885
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parents:
diff changeset
886 def test_pickle_and_unpickle_identity(self):
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parents:
diff changeset
887 # Pickling a tree, then unpickling it, yields a tree identical
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parents:
diff changeset
888 # to the original.
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parents:
diff changeset
889 tree = self.soup("<a><b>foo</a>")
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shellac
parents:
diff changeset
890 dumped = pickle.dumps(tree, 2)
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parents:
diff changeset
891 loaded = pickle.loads(dumped)
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parents:
diff changeset
892 self.assertEqual(loaded.__class__, BeautifulSoup)
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parents:
diff changeset
893 self.assertEqual(loaded.decode(), tree.decode())
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diff changeset
894
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diff changeset
895 def test_docstring_generated(self):
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parents:
diff changeset
896 soup = self.soup("<root/>")
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parents:
diff changeset
897 self.assertEqual(
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parents:
diff changeset
898 soup.encode(), b'<?xml version="1.0" encoding="utf-8"?>\n<root/>')
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diff changeset
899
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diff changeset
900 def test_xml_declaration(self):
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parents:
diff changeset
901 markup = b"""<?xml version="1.0" encoding="utf8"?>\n<foo/>"""
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parents:
diff changeset
902 soup = self.soup(markup)
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parents:
diff changeset
903 self.assertEqual(markup, soup.encode("utf8"))
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parents:
diff changeset
904
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parents:
diff changeset
905 def test_python_specific_encodings_not_used_in_xml_declaration(self):
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parents:
diff changeset
906 # You can encode an XML document using a Python-specific
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parents:
diff changeset
907 # encoding, but that encoding won't be mentioned _inside_ the
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parents:
diff changeset
908 # resulting document.
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diff changeset
909 markup = b"""<?xml version="1.0"?>\n<foo/>"""
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parents:
diff changeset
910 soup = self.soup(markup)
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parents:
diff changeset
911 for encoding in PYTHON_SPECIFIC_ENCODINGS:
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parents:
diff changeset
912 if encoding in (
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parents:
diff changeset
913 'idna', 'mbcs', 'oem', 'undefined',
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parents:
diff changeset
914 'string_escape', 'string-escape'
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parents:
diff changeset
915 ):
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parents:
diff changeset
916 # For one reason or another, these will raise an
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shellac
parents:
diff changeset
917 # exception if we actually try to use them, so don't
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parents:
diff changeset
918 # bother.
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parents:
diff changeset
919 continue
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parents:
diff changeset
920 encoded = soup.encode(encoding)
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parents:
diff changeset
921 assert b'<?xml version="1.0"?>' in encoded
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parents:
diff changeset
922 assert encoding.encode("ascii") not in encoded
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parents:
diff changeset
923
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parents:
diff changeset
924 def test_processing_instruction(self):
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parents:
diff changeset
925 markup = b"""<?xml version="1.0" encoding="utf8"?>\n<?PITarget PIContent?>"""
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parents:
diff changeset
926 soup = self.soup(markup)
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shellac
parents:
diff changeset
927 self.assertEqual(markup, soup.encode("utf8"))
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parents:
diff changeset
928
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parents:
diff changeset
929 def test_real_xhtml_document(self):
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shellac
parents:
diff changeset
930 """A real XHTML document should come out *exactly* the same as it went in."""
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shellac
parents:
diff changeset
931 markup = b"""<?xml version="1.0" encoding="utf-8"?>
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shellac
parents:
diff changeset
932 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
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shellac
parents:
diff changeset
933 <html xmlns="http://www.w3.org/1999/xhtml">
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shellac
parents:
diff changeset
934 <head><title>Hello.</title></head>
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shellac
parents:
diff changeset
935 <body>Goodbye.</body>
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shellac
parents:
diff changeset
936 </html>"""
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parents:
diff changeset
937 soup = self.soup(markup)
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parents:
diff changeset
938 self.assertEqual(
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shellac
parents:
diff changeset
939 soup.encode("utf-8"), markup)
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parents:
diff changeset
940
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shellac
parents:
diff changeset
941 def test_nested_namespaces(self):
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shellac
parents:
diff changeset
942 doc = b"""<?xml version="1.0" encoding="utf-8"?>
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shellac
parents:
diff changeset
943 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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shellac
parents:
diff changeset
944 <parent xmlns="http://ns1/">
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shellac
parents:
diff changeset
945 <child xmlns="http://ns2/" xmlns:ns3="http://ns3/">
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shellac
parents:
diff changeset
946 <grandchild ns3:attr="value" xmlns="http://ns4/"/>
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shellac
parents:
diff changeset
947 </child>
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shellac
parents:
diff changeset
948 </parent>"""
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parents:
diff changeset
949 soup = self.soup(doc)
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parents:
diff changeset
950 self.assertEqual(doc, soup.encode())
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parents:
diff changeset
951
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parents:
diff changeset
952 def test_formatter_processes_script_tag_for_xml_documents(self):
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shellac
parents:
diff changeset
953 doc = """
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shellac
parents:
diff changeset
954 <script type="text/javascript">
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shellac
parents:
diff changeset
955 </script>
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parents:
diff changeset
956 """
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parents:
diff changeset
957 soup = BeautifulSoup(doc, "lxml-xml")
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parents:
diff changeset
958 # lxml would have stripped this while parsing, but we can add
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shellac
parents:
diff changeset
959 # it later.
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shellac
parents:
diff changeset
960 soup.script.string = 'console.log("< < hey > > ");'
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parents:
diff changeset
961 encoded = soup.encode()
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parents:
diff changeset
962 self.assertTrue(b"&lt; &lt; hey &gt; &gt;" in encoded)
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parents:
diff changeset
963
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parents:
diff changeset
964 def test_can_parse_unicode_document(self):
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shellac
parents:
diff changeset
965 markup = '<?xml version="1.0" encoding="euc-jp"><root>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</root>'
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parents:
diff changeset
966 soup = self.soup(markup)
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parents:
diff changeset
967 self.assertEqual('Sacr\xe9 bleu!', soup.root.string)
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shellac
parents:
diff changeset
968
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diff changeset
969 def test_popping_namespaced_tag(self):
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parents:
diff changeset
970 markup = '<rss xmlns:dc="foo"><dc:creator>b</dc:creator><dc:date>2012-07-02T20:33:42Z</dc:date><dc:rights>c</dc:rights><image>d</image></rss>'
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parents:
diff changeset
971 soup = self.soup(markup)
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972 self.assertEqual(
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973 str(soup.rss), markup)
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974
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975 def test_docstring_includes_correct_encoding(self):
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976 soup = self.soup("<root/>")
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diff changeset
977 self.assertEqual(
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diff changeset
978 soup.encode("latin1"),
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diff changeset
979 b'<?xml version="1.0" encoding="latin1"?>\n<root/>')
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980
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981 def test_large_xml_document(self):
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diff changeset
982 """A large XML document should come out the same as it went in."""
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983 markup = (b'<?xml version="1.0" encoding="utf-8"?>\n<root>'
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diff changeset
984 + b'0' * (2**12)
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985 + b'</root>')
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diff changeset
986 soup = self.soup(markup)
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987 self.assertEqual(soup.encode("utf-8"), markup)
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988
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989
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990 def test_tags_are_empty_element_if_and_only_if_they_are_empty(self):
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991 self.assertSoupEquals("<p>", "<p/>")
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992 self.assertSoupEquals("<p>foo</p>")
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993
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994 def test_namespaces_are_preserved(self):
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995 markup = '<root xmlns:a="http://example.com/" xmlns:b="http://example.net/"><a:foo>This tag is in the a namespace</a:foo><b:foo>This tag is in the b namespace</b:foo></root>'
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996 soup = self.soup(markup)
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997 root = soup.root
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998 self.assertEqual("http://example.com/", root['xmlns:a'])
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999 self.assertEqual("http://example.net/", root['xmlns:b'])
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1000
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1001 def test_closing_namespaced_tag(self):
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1002 markup = '<p xmlns:dc="http://purl.org/dc/elements/1.1/"><dc:date>20010504</dc:date></p>'
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1003 soup = self.soup(markup)
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1004 self.assertEqual(str(soup.p), markup)
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1005
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1006 def test_namespaced_attributes(self):
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1007 markup = '<foo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><bar xsi:schemaLocation="http://www.example.com"/></foo>'
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1008 soup = self.soup(markup)
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diff changeset
1009 self.assertEqual(str(soup.foo), markup)
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1010
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1011 def test_namespaced_attributes_xml_namespace(self):
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1012 markup = '<foo xml:lang="fr">bar</foo>'
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1013 soup = self.soup(markup)
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1014 self.assertEqual(str(soup.foo), markup)
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1015
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1016 def test_find_by_prefixed_name(self):
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1017 doc = """<?xml version="1.0" encoding="utf-8"?>
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1018 <Document xmlns="http://example.com/ns0"
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1019 xmlns:ns1="http://example.com/ns1"
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1020 xmlns:ns2="http://example.com/ns2"
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1021 <ns1:tag>foo</ns1:tag>
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1022 <ns1:tag>bar</ns1:tag>
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diff changeset
1023 <ns2:tag key="value">baz</ns2:tag>
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1024 </Document>
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1025 """
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1026 soup = self.soup(doc)
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1027
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1028 # There are three <tag> tags.
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diff changeset
1029 self.assertEqual(3, len(soup.find_all('tag')))
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1030
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1031 # But two of them are ns1:tag and one of them is ns2:tag.
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1032 self.assertEqual(2, len(soup.find_all('ns1:tag')))
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1033 self.assertEqual(1, len(soup.find_all('ns2:tag')))
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1034
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1035 self.assertEqual(1, len(soup.find_all('ns2:tag', key='value')))
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diff changeset
1036 self.assertEqual(3, len(soup.find_all(['ns1:tag', 'ns2:tag'])))
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1037
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1038 def test_copy_tag_preserves_namespace(self):
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1039 xml = """<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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1040 <w:document xmlns:w="http://example.com/ns0"/>"""
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1041
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1042 soup = self.soup(xml)
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diff changeset
1043 tag = soup.document
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diff changeset
1044 duplicate = copy.copy(tag)
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1045
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1046 # The two tags have the same namespace prefix.
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diff changeset
1047 self.assertEqual(tag.prefix, duplicate.prefix)
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1048
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1049 def test_worst_case(self):
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1050 """Test the worst case (currently) for linking issues."""
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1051
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1052 soup = self.soup(BAD_DOCUMENT)
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diff changeset
1053 self.linkage_validator(soup)
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diff changeset
1054
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1055
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1056 class HTML5TreeBuilderSmokeTest(HTMLTreeBuilderSmokeTest):
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1057 """Smoke test for a tree builder that supports HTML5."""
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diff changeset
1058
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1059 def test_real_xhtml_document(self):
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diff changeset
1060 # Since XHTML is not HTML5, HTML5 parsers are not tested to handle
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1061 # XHTML documents in any particular way.
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1062 pass
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1063
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1064 def test_html_tags_have_namespace(self):
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diff changeset
1065 markup = "<a>"
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diff changeset
1066 soup = self.soup(markup)
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diff changeset
1067 self.assertEqual("http://www.w3.org/1999/xhtml", soup.a.namespace)
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1068
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1069 def test_svg_tags_have_namespace(self):
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1070 markup = '<svg><circle/></svg>'
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1071 soup = self.soup(markup)
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1072 namespace = "http://www.w3.org/2000/svg"
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1073 self.assertEqual(namespace, soup.svg.namespace)
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1074 self.assertEqual(namespace, soup.circle.namespace)
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1075
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1076
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1077 def test_mathml_tags_have_namespace(self):
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1078 markup = '<math><msqrt>5</msqrt></math>'
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diff changeset
1079 soup = self.soup(markup)
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diff changeset
1080 namespace = 'http://www.w3.org/1998/Math/MathML'
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1081 self.assertEqual(namespace, soup.math.namespace)
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1082 self.assertEqual(namespace, soup.msqrt.namespace)
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1083
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1084 def test_xml_declaration_becomes_comment(self):
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1085 markup = '<?xml version="1.0" encoding="utf-8"?><html></html>'
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1086 soup = self.soup(markup)
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diff changeset
1087 self.assertTrue(isinstance(soup.contents[0], Comment))
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diff changeset
1088 self.assertEqual(soup.contents[0], '?xml version="1.0" encoding="utf-8"?')
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1089 self.assertEqual("html", soup.contents[0].next_element.name)
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1090
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1091 def skipIf(condition, reason):
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1092 def nothing(test, *args, **kwargs):
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1093 return None
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1094
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1095 def decorator(test_item):
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1096 if condition:
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1097 return nothing
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1098 else:
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1099 return test_item
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1100
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1101 return decorator