Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/humanfriendly/tests.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 #!/usr/bin/env python
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2 # vim: fileencoding=utf-8 :
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3
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4 # Tests for the `humanfriendly' package.
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5 #
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6 # Author: Peter Odding <peter.odding@paylogic.eu>
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7 # Last Change: April 19, 2020
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8 # URL: https://humanfriendly.readthedocs.io
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9
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10 """Test suite for the `humanfriendly` package."""
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11
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12 # Standard library modules.
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13 import datetime
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14 import math
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15 import os
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16 import random
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17 import re
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18 import subprocess
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19 import sys
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20 import time
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21 import types
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22 import unittest
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23 import warnings
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24
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25 # Modules included in our package.
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26 from humanfriendly import (
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27 InvalidDate,
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28 InvalidLength,
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29 InvalidSize,
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30 InvalidTimespan,
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31 Timer,
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32 coerce_boolean,
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33 coerce_pattern,
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34 format_length,
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35 format_number,
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36 format_path,
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37 format_size,
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38 format_timespan,
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39 parse_date,
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40 parse_length,
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41 parse_path,
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42 parse_size,
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43 parse_timespan,
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44 prompts,
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45 round_number,
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46 )
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47 from humanfriendly.case import CaseInsensitiveDict, CaseInsensitiveKey
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48 from humanfriendly.cli import main
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49 from humanfriendly.compat import StringIO
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50 from humanfriendly.decorators import cached
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51 from humanfriendly.deprecation import DeprecationProxy, define_aliases, deprecated_args, get_aliases
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52 from humanfriendly.prompts import (
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53 TooManyInvalidReplies,
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54 prompt_for_confirmation,
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55 prompt_for_choice,
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56 prompt_for_input,
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57 )
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58 from humanfriendly.sphinx import (
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59 deprecation_note_callback,
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60 man_role,
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61 pypi_role,
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62 setup,
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63 special_methods_callback,
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64 usage_message_callback,
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65 )
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66 from humanfriendly.tables import (
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67 format_pretty_table,
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68 format_robust_table,
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69 format_rst_table,
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70 format_smart_table,
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71 )
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72 from humanfriendly.terminal import (
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73 ANSI_CSI,
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74 ANSI_ERASE_LINE,
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75 ANSI_HIDE_CURSOR,
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76 ANSI_RESET,
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77 ANSI_SGR,
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78 ANSI_SHOW_CURSOR,
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79 ansi_strip,
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80 ansi_style,
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81 ansi_width,
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82 ansi_wrap,
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83 clean_terminal_output,
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84 connected_to_terminal,
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85 find_terminal_size,
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86 get_pager_command,
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87 message,
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88 output,
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89 show_pager,
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90 terminal_supports_colors,
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91 warning,
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92 )
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93 from humanfriendly.terminal.html import html_to_ansi
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94 from humanfriendly.terminal.spinners import AutomaticSpinner, Spinner
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95 from humanfriendly.testing import (
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96 CallableTimedOut,
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97 CaptureOutput,
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98 MockedProgram,
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99 PatchedAttribute,
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100 PatchedItem,
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101 TemporaryDirectory,
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102 TestCase,
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103 retry,
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104 run_cli,
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105 skip_on_raise,
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106 touch,
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107 )
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108 from humanfriendly.text import (
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109 compact,
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110 compact_empty_lines,
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111 concatenate,
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112 dedent,
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113 generate_slug,
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114 pluralize,
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115 random_string,
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116 trim_empty_lines,
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117 )
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118 from humanfriendly.usage import (
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119 find_meta_variables,
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120 format_usage,
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121 parse_usage,
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122 render_usage,
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123 )
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124
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125 # Test dependencies.
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126 from mock import MagicMock
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127
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128
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129 class HumanFriendlyTestCase(TestCase):
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130
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131 """Container for the `humanfriendly` test suite."""
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132
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133 def test_case_insensitive_dict(self):
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134 """Test the CaseInsensitiveDict class."""
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135 # Test support for the dict(iterable) signature.
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136 assert len(CaseInsensitiveDict([('key', True), ('KEY', False)])) == 1
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137 # Test support for the dict(iterable, **kw) signature.
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138 assert len(CaseInsensitiveDict([('one', True), ('ONE', False)], one=False, two=True)) == 2
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139 # Test support for the dict(mapping) signature.
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140 assert len(CaseInsensitiveDict(dict(key=True, KEY=False))) == 1
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141 # Test support for the dict(mapping, **kw) signature.
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142 assert len(CaseInsensitiveDict(dict(one=True, ONE=False), one=False, two=True)) == 2
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143 # Test support for the dict(**kw) signature.
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144 assert len(CaseInsensitiveDict(one=True, ONE=False, two=True)) == 2
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145 # Test support for dict.fromkeys().
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146 obj = CaseInsensitiveDict.fromkeys(["One", "one", "ONE", "Two", "two", "TWO"])
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147 assert len(obj) == 2
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148 # Test support for dict.get().
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149 obj = CaseInsensitiveDict(existing_key=42)
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150 assert obj.get('Existing_Key') == 42
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151 # Test support for dict.pop().
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152 obj = CaseInsensitiveDict(existing_key=42)
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153 assert obj.pop('Existing_Key') == 42
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154 assert len(obj) == 0
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155 # Test support for dict.setdefault().
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156 obj = CaseInsensitiveDict(existing_key=42)
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157 assert obj.setdefault('Existing_Key') == 42
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158 obj.setdefault('other_key', 11)
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159 assert obj['Other_Key'] == 11
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160 # Test support for dict.__contains__().
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161 obj = CaseInsensitiveDict(existing_key=42)
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162 assert 'Existing_Key' in obj
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163 # Test support for dict.__delitem__().
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164 obj = CaseInsensitiveDict(existing_key=42)
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165 del obj['Existing_Key']
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166 assert len(obj) == 0
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167 # Test support for dict.__getitem__().
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168 obj = CaseInsensitiveDict(existing_key=42)
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169 assert obj['Existing_Key'] == 42
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170 # Test support for dict.__setitem__().
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171 obj = CaseInsensitiveDict(existing_key=42)
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172 obj['Existing_Key'] = 11
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173 assert obj['existing_key'] == 11
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174
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175 def test_case_insensitive_key(self):
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176 """Test the CaseInsensitiveKey class."""
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177 # Test the __eq__() special method.
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178 polite = CaseInsensitiveKey("Please don't shout")
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179 rude = CaseInsensitiveKey("PLEASE DON'T SHOUT")
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180 assert polite == rude
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181 # Test the __hash__() special method.
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182 mapping = {}
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183 mapping[polite] = 1
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184 mapping[rude] = 2
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185 assert len(mapping) == 1
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186
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187 def test_capture_output(self):
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188 """Test the CaptureOutput class."""
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189 with CaptureOutput() as capturer:
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190 sys.stdout.write("Something for stdout.\n")
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191 sys.stderr.write("And for stderr.\n")
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192 assert capturer.stdout.get_lines() == ["Something for stdout."]
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193 assert capturer.stderr.get_lines() == ["And for stderr."]
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194
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195 def test_skip_on_raise(self):
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196 """Test the skip_on_raise() decorator."""
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197 def test_fn():
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198 raise NotImplementedError()
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199 decorator_fn = skip_on_raise(NotImplementedError)
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200 decorated_fn = decorator_fn(test_fn)
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201 self.assertRaises(NotImplementedError, test_fn)
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202 self.assertRaises(unittest.SkipTest, decorated_fn)
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203
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204 def test_retry_raise(self):
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205 """Test :func:`~humanfriendly.testing.retry()` based on assertion errors."""
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206 # Define a helper function that will raise an assertion error on the
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207 # first call and return a string on the second call.
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208 def success_helper():
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209 if not hasattr(success_helper, 'was_called'):
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210 setattr(success_helper, 'was_called', True)
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211 assert False
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212 else:
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213 return 'yes'
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214 assert retry(success_helper) == 'yes'
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215
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216 # Define a helper function that always raises an assertion error.
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217 def failure_helper():
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218 assert False
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219 with self.assertRaises(AssertionError):
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220 retry(failure_helper, timeout=1)
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221
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222 def test_retry_return(self):
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223 """Test :func:`~humanfriendly.testing.retry()` based on return values."""
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224 # Define a helper function that will return False on the first call and
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225 # return a number on the second call.
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226 def success_helper():
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227 if not hasattr(success_helper, 'was_called'):
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228 # On the first call we return False.
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229 setattr(success_helper, 'was_called', True)
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230 return False
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231 else:
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232 # On the second call we return a number.
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233 return 42
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234 assert retry(success_helper) == 42
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235 with self.assertRaises(CallableTimedOut):
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236 retry(lambda: False, timeout=1)
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237
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238 def test_mocked_program(self):
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239 """Test :class:`humanfriendly.testing.MockedProgram`."""
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240 name = random_string()
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241 script = dedent('''
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242 # This goes to stdout.
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243 tr a-z A-Z
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244 # This goes to stderr.
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245 echo Fake warning >&2
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246 ''')
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247 with MockedProgram(name=name, returncode=42, script=script) as directory:
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248 assert os.path.isdir(directory)
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249 assert os.path.isfile(os.path.join(directory, name))
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250 program = subprocess.Popen(name, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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251 stdout, stderr = program.communicate(input=b'hello world\n')
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252 assert program.returncode == 42
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253 assert stdout == b'HELLO WORLD\n'
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254 assert stderr == b'Fake warning\n'
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255
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256 def test_temporary_directory(self):
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257 """Test :class:`humanfriendly.testing.TemporaryDirectory`."""
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258 with TemporaryDirectory() as directory:
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259 assert os.path.isdir(directory)
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260 temporary_file = os.path.join(directory, 'some-file')
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261 with open(temporary_file, 'w') as handle:
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262 handle.write("Hello world!")
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263 assert not os.path.exists(temporary_file)
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264 assert not os.path.exists(directory)
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265
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266 def test_touch(self):
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267 """Test :func:`humanfriendly.testing.touch()`."""
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268 with TemporaryDirectory() as directory:
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269 # Create a file in the temporary directory.
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270 filename = os.path.join(directory, random_string())
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271 assert not os.path.isfile(filename)
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272 touch(filename)
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273 assert os.path.isfile(filename)
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274 # Create a file in a subdirectory.
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275 filename = os.path.join(directory, random_string(), random_string())
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276 assert not os.path.isfile(filename)
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277 touch(filename)
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278 assert os.path.isfile(filename)
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279
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280 def test_patch_attribute(self):
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281 """Test :class:`humanfriendly.testing.PatchedAttribute`."""
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282 class Subject(object):
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283 my_attribute = 42
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284 instance = Subject()
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285 assert instance.my_attribute == 42
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286 with PatchedAttribute(instance, 'my_attribute', 13) as return_value:
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287 assert return_value is instance
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288 assert instance.my_attribute == 13
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289 assert instance.my_attribute == 42
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290
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291 def test_patch_item(self):
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292 """Test :class:`humanfriendly.testing.PatchedItem`."""
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293 instance = dict(my_item=True)
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294 assert instance['my_item'] is True
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295 with PatchedItem(instance, 'my_item', False) as return_value:
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296 assert return_value is instance
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297 assert instance['my_item'] is False
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298 assert instance['my_item'] is True
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299
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300 def test_run_cli_intercepts_exit(self):
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301 """Test that run_cli() intercepts SystemExit."""
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302 returncode, output = run_cli(lambda: sys.exit(42))
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303 self.assertEqual(returncode, 42)
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304
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305 def test_run_cli_intercepts_error(self):
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306 """Test that run_cli() intercepts exceptions."""
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307 returncode, output = run_cli(self.run_cli_raise_other)
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308 self.assertEqual(returncode, 1)
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309
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310 def run_cli_raise_other(self):
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311 """run_cli() sample that raises an exception."""
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312 raise ValueError()
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313
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314 def test_run_cli_intercepts_output(self):
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315 """Test that run_cli() intercepts output."""
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316 expected_output = random_string() + "\n"
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317 returncode, output = run_cli(lambda: sys.stdout.write(expected_output))
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318 self.assertEqual(returncode, 0)
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319 self.assertEqual(output, expected_output)
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320
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321 def test_caching_decorator(self):
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322 """Test the caching decorator."""
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323 # Confirm that the caching decorator works.
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324 a = cached(lambda: random.random())
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325 b = cached(lambda: random.random())
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326 assert a() == a()
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327 assert b() == b()
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328 # Confirm that functions have their own cache.
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329 assert a() != b()
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330
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331 def test_compact(self):
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332 """Test :func:`humanfriendly.text.compact()`."""
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333 assert compact(' a \n\n b ') == 'a b'
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334 assert compact('''
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335 %s template notation
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336 ''', 'Simple') == 'Simple template notation'
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337 assert compact('''
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338 More {type} template notation
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339 ''', type='readable') == 'More readable template notation'
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340
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341 def test_compact_empty_lines(self):
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342 """Test :func:`humanfriendly.text.compact_empty_lines()`."""
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343 # Simple strings pass through untouched.
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344 assert compact_empty_lines('foo') == 'foo'
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345 # Horizontal whitespace remains untouched.
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346 assert compact_empty_lines('\tfoo') == '\tfoo'
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347 # Line breaks should be preserved.
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348 assert compact_empty_lines('foo\nbar') == 'foo\nbar'
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349 # Vertical whitespace should be preserved.
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350 assert compact_empty_lines('foo\n\nbar') == 'foo\n\nbar'
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351 # Vertical whitespace should be compressed.
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352 assert compact_empty_lines('foo\n\n\nbar') == 'foo\n\nbar'
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353 assert compact_empty_lines('foo\n\n\n\nbar') == 'foo\n\nbar'
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354 assert compact_empty_lines('foo\n\n\n\n\nbar') == 'foo\n\nbar'
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355
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356 def test_dedent(self):
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357 """Test :func:`humanfriendly.text.dedent()`."""
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358 assert dedent('\n line 1\n line 2\n\n') == 'line 1\n line 2\n'
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359 assert dedent('''
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360 Dedented, %s text
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361 ''', 'interpolated') == 'Dedented, interpolated text\n'
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362 assert dedent('''
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363 Dedented, {op} text
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364 ''', op='formatted') == 'Dedented, formatted text\n'
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365
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366 def test_pluralization(self):
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367 """Test :func:`humanfriendly.text.pluralize()`."""
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368 assert pluralize(1, 'word') == '1 word'
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369 assert pluralize(2, 'word') == '2 words'
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370 assert pluralize(1, 'box', 'boxes') == '1 box'
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371 assert pluralize(2, 'box', 'boxes') == '2 boxes'
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372
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373 def test_generate_slug(self):
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374 """Test :func:`humanfriendly.text.generate_slug()`."""
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375 # Test the basic functionality.
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376 self.assertEqual('some-random-text', generate_slug('Some Random Text!'))
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377 # Test that previous output doesn't change.
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378 self.assertEqual('some-random-text', generate_slug('some-random-text'))
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379 # Test that inputs which can't be converted to a slug raise an exception.
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380 with self.assertRaises(ValueError):
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381 generate_slug(' ')
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382 with self.assertRaises(ValueError):
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383 generate_slug('-')
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384
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385 def test_boolean_coercion(self):
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386 """Test :func:`humanfriendly.coerce_boolean()`."""
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387 for value in [True, 'TRUE', 'True', 'true', 'on', 'yes', '1']:
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388 self.assertEqual(True, coerce_boolean(value))
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389 for value in [False, 'FALSE', 'False', 'false', 'off', 'no', '0']:
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390 self.assertEqual(False, coerce_boolean(value))
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391 with self.assertRaises(ValueError):
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392 coerce_boolean('not a boolean')
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393
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394 def test_pattern_coercion(self):
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395 """Test :func:`humanfriendly.coerce_pattern()`."""
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396 empty_pattern = re.compile('')
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397 # Make sure strings are converted to compiled regular expressions.
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398 assert isinstance(coerce_pattern('foobar'), type(empty_pattern))
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399 # Make sure compiled regular expressions pass through untouched.
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400 assert empty_pattern is coerce_pattern(empty_pattern)
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diff changeset
401 # Make sure flags are respected.
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402 pattern = coerce_pattern('foobar', re.IGNORECASE)
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diff changeset
403 assert pattern.match('FOOBAR')
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404 # Make sure invalid values raise the expected exception.
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405 with self.assertRaises(ValueError):
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406 coerce_pattern([])
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407
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408 def test_format_timespan(self):
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409 """Test :func:`humanfriendly.format_timespan()`."""
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410 minute = 60
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411 hour = minute * 60
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412 day = hour * 24
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413 week = day * 7
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414 year = week * 52
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415 assert '1 nanosecond' == format_timespan(0.000000001, detailed=True)
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416 assert '500 nanoseconds' == format_timespan(0.0000005, detailed=True)
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417 assert '1 microsecond' == format_timespan(0.000001, detailed=True)
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418 assert '500 microseconds' == format_timespan(0.0005, detailed=True)
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419 assert '1 millisecond' == format_timespan(0.001, detailed=True)
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420 assert '500 milliseconds' == format_timespan(0.5, detailed=True)
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421 assert '0.5 seconds' == format_timespan(0.5, detailed=False)
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422 assert '0 seconds' == format_timespan(0)
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423 assert '0.54 seconds' == format_timespan(0.54321)
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424 assert '1 second' == format_timespan(1)
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425 assert '3.14 seconds' == format_timespan(math.pi)
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426 assert '1 minute' == format_timespan(minute)
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427 assert '1 minute and 20 seconds' == format_timespan(80)
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428 assert '2 minutes' == format_timespan(minute * 2)
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429 assert '1 hour' == format_timespan(hour)
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430 assert '2 hours' == format_timespan(hour * 2)
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431 assert '1 day' == format_timespan(day)
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432 assert '2 days' == format_timespan(day * 2)
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433 assert '1 week' == format_timespan(week)
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434 assert '2 weeks' == format_timespan(week * 2)
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435 assert '1 year' == format_timespan(year)
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436 assert '2 years' == format_timespan(year * 2)
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437 assert '6 years, 5 weeks, 4 days, 3 hours, 2 minutes and 500 milliseconds' == \
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438 format_timespan(year * 6 + week * 5 + day * 4 + hour * 3 + minute * 2 + 0.5, detailed=True)
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439 assert '1 year, 2 weeks and 3 days' == \
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440 format_timespan(year + week * 2 + day * 3 + hour * 12)
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441 # Make sure milliseconds are never shown separately when detailed=False.
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442 # https://github.com/xolox/python-humanfriendly/issues/10
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443 assert '1 minute, 1 second and 100 milliseconds' == format_timespan(61.10, detailed=True)
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444 assert '1 minute and 1.1 second' == format_timespan(61.10, detailed=False)
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445 # Test for loss of precision as reported in issue 11:
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446 # https://github.com/xolox/python-humanfriendly/issues/11
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447 assert '1 minute and 0.3 seconds' == format_timespan(60.300)
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448 assert '5 minutes and 0.3 seconds' == format_timespan(300.300)
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449 assert '1 second and 15 milliseconds' == format_timespan(1.015, detailed=True)
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450 assert '10 seconds and 15 milliseconds' == format_timespan(10.015, detailed=True)
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451 assert '1 microsecond and 50 nanoseconds' == format_timespan(0.00000105, detailed=True)
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452 # Test the datetime.timedelta support:
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453 # https://github.com/xolox/python-humanfriendly/issues/27
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454 now = datetime.datetime.now()
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455 then = now - datetime.timedelta(hours=23)
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456 assert '23 hours' == format_timespan(now - then)
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457
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458 def test_parse_timespan(self):
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459 """Test :func:`humanfriendly.parse_timespan()`."""
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460 self.assertEqual(0, parse_timespan('0'))
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461 self.assertEqual(0, parse_timespan('0s'))
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462 self.assertEqual(0.000000001, parse_timespan('1ns'))
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463 self.assertEqual(0.000000051, parse_timespan('51ns'))
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464 self.assertEqual(0.000001, parse_timespan('1us'))
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465 self.assertEqual(0.000052, parse_timespan('52us'))
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466 self.assertEqual(0.001, parse_timespan('1ms'))
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467 self.assertEqual(0.001, parse_timespan('1 millisecond'))
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468 self.assertEqual(0.5, parse_timespan('500 milliseconds'))
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469 self.assertEqual(0.5, parse_timespan('0.5 seconds'))
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470 self.assertEqual(5, parse_timespan('5s'))
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471 self.assertEqual(5, parse_timespan('5 seconds'))
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472 self.assertEqual(60 * 2, parse_timespan('2m'))
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473 self.assertEqual(60 * 2, parse_timespan('2 minutes'))
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474 self.assertEqual(60 * 3, parse_timespan('3 min'))
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475 self.assertEqual(60 * 3, parse_timespan('3 mins'))
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476 self.assertEqual(60 * 60 * 3, parse_timespan('3 h'))
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477 self.assertEqual(60 * 60 * 3, parse_timespan('3 hours'))
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478 self.assertEqual(60 * 60 * 24 * 4, parse_timespan('4d'))
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479 self.assertEqual(60 * 60 * 24 * 4, parse_timespan('4 days'))
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480 self.assertEqual(60 * 60 * 24 * 7 * 5, parse_timespan('5 w'))
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481 self.assertEqual(60 * 60 * 24 * 7 * 5, parse_timespan('5 weeks'))
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482 with self.assertRaises(InvalidTimespan):
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483 parse_timespan('1z')
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484
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485 def test_parse_date(self):
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486 """Test :func:`humanfriendly.parse_date()`."""
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487 self.assertEqual((2013, 6, 17, 0, 0, 0), parse_date('2013-06-17'))
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488 self.assertEqual((2013, 6, 17, 2, 47, 42), parse_date('2013-06-17 02:47:42'))
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489 self.assertEqual((2016, 11, 30, 0, 47, 17), parse_date(u'2016-11-30 00:47:17'))
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490 with self.assertRaises(InvalidDate):
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491 parse_date('2013-06-XY')
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492
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493 def test_format_size(self):
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494 """Test :func:`humanfriendly.format_size()`."""
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495 self.assertEqual('0 bytes', format_size(0))
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496 self.assertEqual('1 byte', format_size(1))
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497 self.assertEqual('42 bytes', format_size(42))
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498 self.assertEqual('1 KB', format_size(1000 ** 1))
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499 self.assertEqual('1 MB', format_size(1000 ** 2))
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500 self.assertEqual('1 GB', format_size(1000 ** 3))
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guerler
parents:
diff changeset
501 self.assertEqual('1 TB', format_size(1000 ** 4))
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guerler
parents:
diff changeset
502 self.assertEqual('1 PB', format_size(1000 ** 5))
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guerler
parents:
diff changeset
503 self.assertEqual('1 EB', format_size(1000 ** 6))
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guerler
parents:
diff changeset
504 self.assertEqual('1 ZB', format_size(1000 ** 7))
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guerler
parents:
diff changeset
505 self.assertEqual('1 YB', format_size(1000 ** 8))
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guerler
parents:
diff changeset
506 self.assertEqual('1 KiB', format_size(1024 ** 1, binary=True))
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guerler
parents:
diff changeset
507 self.assertEqual('1 MiB', format_size(1024 ** 2, binary=True))
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guerler
parents:
diff changeset
508 self.assertEqual('1 GiB', format_size(1024 ** 3, binary=True))
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guerler
parents:
diff changeset
509 self.assertEqual('1 TiB', format_size(1024 ** 4, binary=True))
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guerler
parents:
diff changeset
510 self.assertEqual('1 PiB', format_size(1024 ** 5, binary=True))
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guerler
parents:
diff changeset
511 self.assertEqual('1 EiB', format_size(1024 ** 6, binary=True))
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guerler
parents:
diff changeset
512 self.assertEqual('1 ZiB', format_size(1024 ** 7, binary=True))
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guerler
parents:
diff changeset
513 self.assertEqual('1 YiB', format_size(1024 ** 8, binary=True))
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guerler
parents:
diff changeset
514 self.assertEqual('45 KB', format_size(1000 * 45))
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guerler
parents:
diff changeset
515 self.assertEqual('2.9 TB', format_size(1000 ** 4 * 2.9))
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guerler
parents:
diff changeset
516
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parents:
diff changeset
517 def test_parse_size(self):
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parents:
diff changeset
518 """Test :func:`humanfriendly.parse_size()`."""
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guerler
parents:
diff changeset
519 self.assertEqual(0, parse_size('0B'))
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guerler
parents:
diff changeset
520 self.assertEqual(42, parse_size('42'))
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guerler
parents:
diff changeset
521 self.assertEqual(42, parse_size('42B'))
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guerler
parents:
diff changeset
522 self.assertEqual(1000, parse_size('1k'))
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guerler
parents:
diff changeset
523 self.assertEqual(1024, parse_size('1k', binary=True))
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guerler
parents:
diff changeset
524 self.assertEqual(1000, parse_size('1 KB'))
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guerler
parents:
diff changeset
525 self.assertEqual(1000, parse_size('1 kilobyte'))
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guerler
parents:
diff changeset
526 self.assertEqual(1024, parse_size('1 kilobyte', binary=True))
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guerler
parents:
diff changeset
527 self.assertEqual(1000 ** 2 * 69, parse_size('69 MB'))
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guerler
parents:
diff changeset
528 self.assertEqual(1000 ** 3, parse_size('1 GB'))
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guerler
parents:
diff changeset
529 self.assertEqual(1000 ** 4, parse_size('1 TB'))
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guerler
parents:
diff changeset
530 self.assertEqual(1000 ** 5, parse_size('1 PB'))
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guerler
parents:
diff changeset
531 self.assertEqual(1000 ** 6, parse_size('1 EB'))
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guerler
parents:
diff changeset
532 self.assertEqual(1000 ** 7, parse_size('1 ZB'))
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guerler
parents:
diff changeset
533 self.assertEqual(1000 ** 8, parse_size('1 YB'))
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guerler
parents:
diff changeset
534 self.assertEqual(1000 ** 3 * 1.5, parse_size('1.5 GB'))
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guerler
parents:
diff changeset
535 self.assertEqual(1024 ** 8 * 1.5, parse_size('1.5 YiB'))
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guerler
parents:
diff changeset
536 with self.assertRaises(InvalidSize):
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guerler
parents:
diff changeset
537 parse_size('1q')
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guerler
parents:
diff changeset
538 with self.assertRaises(InvalidSize):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
539 parse_size('a')
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guerler
parents:
diff changeset
540
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guerler
parents:
diff changeset
541 def test_format_length(self):
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parents:
diff changeset
542 """Test :func:`humanfriendly.format_length()`."""
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guerler
parents:
diff changeset
543 self.assertEqual('0 metres', format_length(0))
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guerler
parents:
diff changeset
544 self.assertEqual('1 metre', format_length(1))
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guerler
parents:
diff changeset
545 self.assertEqual('42 metres', format_length(42))
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guerler
parents:
diff changeset
546 self.assertEqual('1 km', format_length(1 * 1000))
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guerler
parents:
diff changeset
547 self.assertEqual('15.3 cm', format_length(0.153))
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guerler
parents:
diff changeset
548 self.assertEqual('1 cm', format_length(1e-02))
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guerler
parents:
diff changeset
549 self.assertEqual('1 mm', format_length(1e-03))
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guerler
parents:
diff changeset
550 self.assertEqual('1 nm', format_length(1e-09))
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guerler
parents:
diff changeset
551
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guerler
parents:
diff changeset
552 def test_parse_length(self):
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guerler
parents:
diff changeset
553 """Test :func:`humanfriendly.parse_length()`."""
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guerler
parents:
diff changeset
554 self.assertEqual(0, parse_length('0m'))
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guerler
parents:
diff changeset
555 self.assertEqual(42, parse_length('42'))
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guerler
parents:
diff changeset
556 self.assertEqual(1.5, parse_length('1.5'))
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guerler
parents:
diff changeset
557 self.assertEqual(42, parse_length('42m'))
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guerler
parents:
diff changeset
558 self.assertEqual(1000, parse_length('1km'))
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guerler
parents:
diff changeset
559 self.assertEqual(0.153, parse_length('15.3 cm'))
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guerler
parents:
diff changeset
560 self.assertEqual(1e-02, parse_length('1cm'))
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guerler
parents:
diff changeset
561 self.assertEqual(1e-03, parse_length('1mm'))
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guerler
parents:
diff changeset
562 self.assertEqual(1e-09, parse_length('1nm'))
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guerler
parents:
diff changeset
563 with self.assertRaises(InvalidLength):
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guerler
parents:
diff changeset
564 parse_length('1z')
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guerler
parents:
diff changeset
565 with self.assertRaises(InvalidLength):
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guerler
parents:
diff changeset
566 parse_length('a')
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guerler
parents:
diff changeset
567
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
568 def test_format_number(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
569 """Test :func:`humanfriendly.format_number()`."""
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guerler
parents:
diff changeset
570 self.assertEqual('1', format_number(1))
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guerler
parents:
diff changeset
571 self.assertEqual('1.5', format_number(1.5))
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guerler
parents:
diff changeset
572 self.assertEqual('1.56', format_number(1.56789))
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guerler
parents:
diff changeset
573 self.assertEqual('1.567', format_number(1.56789, 3))
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guerler
parents:
diff changeset
574 self.assertEqual('1,000', format_number(1000))
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guerler
parents:
diff changeset
575 self.assertEqual('1,000', format_number(1000.12, 0))
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guerler
parents:
diff changeset
576 self.assertEqual('1,000,000', format_number(1000000))
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guerler
parents:
diff changeset
577 self.assertEqual('1,000,000.42', format_number(1000000.42))
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guerler
parents:
diff changeset
578
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
579 def test_round_number(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
580 """Test :func:`humanfriendly.round_number()`."""
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guerler
parents:
diff changeset
581 self.assertEqual('1', round_number(1))
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guerler
parents:
diff changeset
582 self.assertEqual('1', round_number(1.0))
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guerler
parents:
diff changeset
583 self.assertEqual('1.00', round_number(1, keep_width=True))
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guerler
parents:
diff changeset
584 self.assertEqual('3.14', round_number(3.141592653589793))
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guerler
parents:
diff changeset
585
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
586 def test_format_path(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
587 """Test :func:`humanfriendly.format_path()`."""
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guerler
parents:
diff changeset
588 friendly_path = os.path.join('~', '.vimrc')
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guerler
parents:
diff changeset
589 absolute_path = os.path.join(os.environ['HOME'], '.vimrc')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
590 self.assertEqual(friendly_path, format_path(absolute_path))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
591
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
592 def test_parse_path(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
593 """Test :func:`humanfriendly.parse_path()`."""
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guerler
parents:
diff changeset
594 friendly_path = os.path.join('~', '.vimrc')
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guerler
parents:
diff changeset
595 absolute_path = os.path.join(os.environ['HOME'], '.vimrc')
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guerler
parents:
diff changeset
596 self.assertEqual(absolute_path, parse_path(friendly_path))
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guerler
parents:
diff changeset
597
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
598 def test_pretty_tables(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
599 """Test :func:`humanfriendly.tables.format_pretty_table()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
600 # The simplest case possible :-).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
601 data = [['Just one column']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
602 assert format_pretty_table(data) == dedent("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
603 -------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
604 | Just one column |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
605 -------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
606 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
607 # A bit more complex: two rows, three columns, varying widths.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
608 data = [['One', 'Two', 'Three'], ['1', '2', '3']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
609 assert format_pretty_table(data) == dedent("""
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guerler
parents:
diff changeset
610 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
611 | One | Two | Three |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
612 | 1 | 2 | 3 |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
613 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
614 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
615 # A table including column names.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
616 column_names = ['One', 'Two', 'Three']
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guerler
parents:
diff changeset
617 data = [['1', '2', '3'], ['a', 'b', 'c']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
618 assert ansi_strip(format_pretty_table(data, column_names)) == dedent("""
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guerler
parents:
diff changeset
619 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
620 | One | Two | Three |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
621 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
622 | 1 | 2 | 3 |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
623 | a | b | c |
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parents:
diff changeset
624 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
625 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
626 # A table that contains a column with only numeric data (will be right aligned).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
627 column_names = ['Just a label', 'Important numbers']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
628 data = [['Row one', '15'], ['Row two', '300']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
629 assert ansi_strip(format_pretty_table(data, column_names)) == dedent("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
630 ------------------------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
631 | Just a label | Important numbers |
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guerler
parents:
diff changeset
632 ------------------------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
633 | Row one | 15 |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
634 | Row two | 300 |
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guerler
parents:
diff changeset
635 ------------------------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
636 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
637
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diff changeset
638 def test_robust_tables(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
639 """Test :func:`humanfriendly.tables.format_robust_table()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
640 column_names = ['One', 'Two', 'Three']
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guerler
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diff changeset
641 data = [['1', '2', '3'], ['a', 'b', 'c']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
642 assert ansi_strip(format_robust_table(data, column_names)) == dedent("""
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diff changeset
643 --------
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parents:
diff changeset
644 One: 1
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
645 Two: 2
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diff changeset
646 Three: 3
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diff changeset
647 --------
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parents:
diff changeset
648 One: a
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parents:
diff changeset
649 Two: b
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diff changeset
650 Three: c
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diff changeset
651 --------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
652 """).strip()
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diff changeset
653 column_names = ['One', 'Two', 'Three']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
654 data = [['1', '2', '3'], ['a', 'b', 'Here comes a\nmulti line column!']]
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guerler
parents:
diff changeset
655 assert ansi_strip(format_robust_table(data, column_names)) == dedent("""
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parents:
diff changeset
656 ------------------
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parents:
diff changeset
657 One: 1
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parents:
diff changeset
658 Two: 2
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parents:
diff changeset
659 Three: 3
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parents:
diff changeset
660 ------------------
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parents:
diff changeset
661 One: a
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parents:
diff changeset
662 Two: b
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parents:
diff changeset
663 Three:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
664 Here comes a
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
665 multi line column!
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
666 ------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
667 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
668
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parents:
diff changeset
669 def test_smart_tables(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
670 """Test :func:`humanfriendly.tables.format_smart_table()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
671 column_names = ['One', 'Two', 'Three']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
672 data = [['1', '2', '3'], ['a', 'b', 'c']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
673 assert ansi_strip(format_smart_table(data, column_names)) == dedent("""
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diff changeset
674 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
675 | One | Two | Three |
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guerler
parents:
diff changeset
676 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
677 | 1 | 2 | 3 |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
678 | a | b | c |
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guerler
parents:
diff changeset
679 ---------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
680 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
681 column_names = ['One', 'Two', 'Three']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
682 data = [['1', '2', '3'], ['a', 'b', 'Here comes a\nmulti line column!']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
683 assert ansi_strip(format_smart_table(data, column_names)) == dedent("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
684 ------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
685 One: 1
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guerler
parents:
diff changeset
686 Two: 2
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guerler
parents:
diff changeset
687 Three: 3
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guerler
parents:
diff changeset
688 ------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
689 One: a
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
690 Two: b
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
691 Three:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
692 Here comes a
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
693 multi line column!
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
694 ------------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
695 """).strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
696
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
697 def test_rst_tables(self):
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guerler
parents:
diff changeset
698 """Test :func:`humanfriendly.tables.format_rst_table()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
699 # Generate a table with column names.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
700 column_names = ['One', 'Two', 'Three']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
701 data = [['1', '2', '3'], ['a', 'b', 'c']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
702 self.assertEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
703 format_rst_table(data, column_names),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
704 dedent("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
705 === === =====
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
706 One Two Three
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
707 === === =====
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
708 1 2 3
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
709 a b c
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
710 === === =====
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
711 """).rstrip(),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
712 )
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
713 # Generate a table without column names.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
714 data = [['1', '2', '3'], ['a', 'b', 'c']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
715 self.assertEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
716 format_rst_table(data),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
717 dedent("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
718 = = =
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
719 1 2 3
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
720 a b c
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
721 = = =
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
722 """).rstrip(),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
723 )
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
724
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
725 def test_concatenate(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
726 """Test :func:`humanfriendly.text.concatenate()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
727 assert concatenate([]) == ''
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
728 assert concatenate(['one']) == 'one'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
729 assert concatenate(['one', 'two']) == 'one and two'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
730 assert concatenate(['one', 'two', 'three']) == 'one, two and three'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
731
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
732 def test_split(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
733 """Test :func:`humanfriendly.text.split()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
734 from humanfriendly.text import split
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
735 self.assertEqual(split(''), [])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
736 self.assertEqual(split('foo'), ['foo'])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
737 self.assertEqual(split('foo, bar'), ['foo', 'bar'])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
738 self.assertEqual(split('foo, bar, baz'), ['foo', 'bar', 'baz'])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
739 self.assertEqual(split('foo,bar,baz'), ['foo', 'bar', 'baz'])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
740
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
741 def test_timer(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
742 """Test :func:`humanfriendly.Timer`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
743 for seconds, text in ((1, '1 second'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
744 (2, '2 seconds'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
745 (60, '1 minute'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
746 (60 * 2, '2 minutes'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
747 (60 * 60, '1 hour'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
748 (60 * 60 * 2, '2 hours'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
749 (60 * 60 * 24, '1 day'),
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
750 (60 * 60 * 24 * 2, '2 days'),
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guerler
parents:
diff changeset
751 (60 * 60 * 24 * 7, '1 week'),
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guerler
parents:
diff changeset
752 (60 * 60 * 24 * 7 * 2, '2 weeks')):
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guerler
parents:
diff changeset
753 t = Timer(time.time() - seconds)
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guerler
parents:
diff changeset
754 self.assertEqual(round_number(t.elapsed_time, keep_width=True), '%i.00' % seconds)
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guerler
parents:
diff changeset
755 self.assertEqual(str(t), text)
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guerler
parents:
diff changeset
756 # Test rounding to seconds.
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guerler
parents:
diff changeset
757 t = Timer(time.time() - 2.2)
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guerler
parents:
diff changeset
758 self.assertEqual(t.rounded, '2 seconds')
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guerler
parents:
diff changeset
759 # Test automatic timer.
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guerler
parents:
diff changeset
760 automatic_timer = Timer()
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guerler
parents:
diff changeset
761 time.sleep(1)
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guerler
parents:
diff changeset
762 # XXX The following normalize_timestamp(ndigits=0) calls are intended
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guerler
parents:
diff changeset
763 # to compensate for unreliable clock sources in virtual machines
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guerler
parents:
diff changeset
764 # like those encountered on Travis CI, see also:
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guerler
parents:
diff changeset
765 # https://travis-ci.org/xolox/python-humanfriendly/jobs/323944263
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guerler
parents:
diff changeset
766 self.assertEqual(normalize_timestamp(automatic_timer.elapsed_time, 0), '1.00')
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guerler
parents:
diff changeset
767 # Test resumable timer.
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guerler
parents:
diff changeset
768 resumable_timer = Timer(resumable=True)
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guerler
parents:
diff changeset
769 for i in range(2):
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guerler
parents:
diff changeset
770 with resumable_timer:
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guerler
parents:
diff changeset
771 time.sleep(1)
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parents:
diff changeset
772 self.assertEqual(normalize_timestamp(resumable_timer.elapsed_time, 0), '2.00')
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guerler
parents:
diff changeset
773 # Make sure Timer.__enter__() returns the timer object.
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guerler
parents:
diff changeset
774 with Timer(resumable=True) as timer:
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guerler
parents:
diff changeset
775 assert timer is not None
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parents:
diff changeset
776
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parents:
diff changeset
777 def test_spinner(self):
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parents:
diff changeset
778 """Test :func:`humanfriendly.Spinner`."""
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guerler
parents:
diff changeset
779 stream = StringIO()
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parents:
diff changeset
780 spinner = Spinner(label='test spinner', total=4, stream=stream, interactive=True)
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guerler
parents:
diff changeset
781 for progress in [1, 2, 3, 4]:
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guerler
parents:
diff changeset
782 spinner.step(progress=progress)
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parents:
diff changeset
783 time.sleep(0.2)
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guerler
parents:
diff changeset
784 spinner.clear()
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guerler
parents:
diff changeset
785 output = stream.getvalue()
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parents:
diff changeset
786 output = (output.replace(ANSI_SHOW_CURSOR, '')
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guerler
parents:
diff changeset
787 .replace(ANSI_HIDE_CURSOR, ''))
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guerler
parents:
diff changeset
788 lines = [line for line in output.split(ANSI_ERASE_LINE) if line]
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guerler
parents:
diff changeset
789 self.assertTrue(len(lines) > 0)
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guerler
parents:
diff changeset
790 self.assertTrue(all('test spinner' in l for l in lines))
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guerler
parents:
diff changeset
791 self.assertTrue(all('%' in l for l in lines))
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guerler
parents:
diff changeset
792 self.assertEqual(sorted(set(lines)), sorted(lines))
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parents:
diff changeset
793
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parents:
diff changeset
794 def test_automatic_spinner(self):
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parents:
diff changeset
795 """
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parents:
diff changeset
796 Test :func:`humanfriendly.AutomaticSpinner`.
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parents:
diff changeset
797
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guerler
parents:
diff changeset
798 There's not a lot to test about the :class:`.AutomaticSpinner` class,
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guerler
parents:
diff changeset
799 but by at least running it here we are assured that the code functions
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guerler
parents:
diff changeset
800 on all supported Python versions. :class:`.AutomaticSpinner` is built
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guerler
parents:
diff changeset
801 on top of the :class:`.Spinner` class so at least we also have the
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guerler
parents:
diff changeset
802 tests for the :class:`.Spinner` class to back us up.
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parents:
diff changeset
803 """
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parents:
diff changeset
804 with AutomaticSpinner(label='test spinner'):
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parents:
diff changeset
805 time.sleep(1)
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parents:
diff changeset
806
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parents:
diff changeset
807 def test_prompt_for_choice(self):
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parents:
diff changeset
808 """Test :func:`humanfriendly.prompts.prompt_for_choice()`."""
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guerler
parents:
diff changeset
809 # Choice selection without any options should raise an exception.
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guerler
parents:
diff changeset
810 with self.assertRaises(ValueError):
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guerler
parents:
diff changeset
811 prompt_for_choice([])
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parents:
diff changeset
812 # If there's only one option no prompt should be rendered so we expect
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guerler
parents:
diff changeset
813 # the following code to not raise an EOFError exception (despite
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guerler
parents:
diff changeset
814 # connecting standard input to /dev/null).
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parents:
diff changeset
815 with open(os.devnull) as handle:
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guerler
parents:
diff changeset
816 with PatchedAttribute(sys, 'stdin', handle):
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parents:
diff changeset
817 only_option = 'only one option (shortcut)'
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parents:
diff changeset
818 assert prompt_for_choice([only_option]) == only_option
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parents:
diff changeset
819 # Choice selection by full string match.
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parents:
diff changeset
820 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'foo'):
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guerler
parents:
diff changeset
821 assert prompt_for_choice(['foo', 'bar']) == 'foo'
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guerler
parents:
diff changeset
822 # Choice selection by substring input.
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parents:
diff changeset
823 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'f'):
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guerler
parents:
diff changeset
824 assert prompt_for_choice(['foo', 'bar']) == 'foo'
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guerler
parents:
diff changeset
825 # Choice selection by number.
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guerler
parents:
diff changeset
826 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: '2'):
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guerler
parents:
diff changeset
827 assert prompt_for_choice(['foo', 'bar']) == 'bar'
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guerler
parents:
diff changeset
828 # Choice selection by going with the default.
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guerler
parents:
diff changeset
829 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''):
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guerler
parents:
diff changeset
830 assert prompt_for_choice(['foo', 'bar'], default='bar') == 'bar'
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guerler
parents:
diff changeset
831 # Invalid substrings are refused.
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parents:
diff changeset
832 replies = ['', 'q', 'z']
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guerler
parents:
diff changeset
833 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)):
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guerler
parents:
diff changeset
834 assert prompt_for_choice(['foo', 'bar', 'baz']) == 'baz'
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guerler
parents:
diff changeset
835 # Choice selection by substring input requires an unambiguous substring match.
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guerler
parents:
diff changeset
836 replies = ['a', 'q']
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guerler
parents:
diff changeset
837 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)):
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guerler
parents:
diff changeset
838 assert prompt_for_choice(['foo', 'bar', 'baz', 'qux']) == 'qux'
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guerler
parents:
diff changeset
839 # Invalid numbers are refused.
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guerler
parents:
diff changeset
840 replies = ['42', '2']
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guerler
parents:
diff changeset
841 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)):
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guerler
parents:
diff changeset
842 assert prompt_for_choice(['foo', 'bar', 'baz']) == 'bar'
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guerler
parents:
diff changeset
843 # Test that interactive prompts eventually give up on invalid replies.
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guerler
parents:
diff changeset
844 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''):
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guerler
parents:
diff changeset
845 with self.assertRaises(TooManyInvalidReplies):
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guerler
parents:
diff changeset
846 prompt_for_choice(['a', 'b', 'c'])
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guerler
parents:
diff changeset
847
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guerler
parents:
diff changeset
848 def test_prompt_for_confirmation(self):
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guerler
parents:
diff changeset
849 """Test :func:`humanfriendly.prompts.prompt_for_confirmation()`."""
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guerler
parents:
diff changeset
850 # Test some (more or less) reasonable replies that indicate agreement.
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guerler
parents:
diff changeset
851 for reply in 'yes', 'Yes', 'YES', 'y', 'Y':
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guerler
parents:
diff changeset
852 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: reply):
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guerler
parents:
diff changeset
853 assert prompt_for_confirmation("Are you sure?") is True
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guerler
parents:
diff changeset
854 # Test some (more or less) reasonable replies that indicate disagreement.
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guerler
parents:
diff changeset
855 for reply in 'no', 'No', 'NO', 'n', 'N':
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guerler
parents:
diff changeset
856 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: reply):
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guerler
parents:
diff changeset
857 assert prompt_for_confirmation("Are you sure?") is False
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guerler
parents:
diff changeset
858 # Test that empty replies select the default choice.
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guerler
parents:
diff changeset
859 for default_choice in True, False:
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guerler
parents:
diff changeset
860 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''):
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guerler
parents:
diff changeset
861 assert prompt_for_confirmation("Are you sure?", default=default_choice) is default_choice
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guerler
parents:
diff changeset
862 # Test that a warning is shown when no input nor a default is given.
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guerler
parents:
diff changeset
863 replies = ['', 'y']
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guerler
parents:
diff changeset
864 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
865 with CaptureOutput(merged=True) as capturer:
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guerler
parents:
diff changeset
866 assert prompt_for_confirmation("Are you sure?") is True
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guerler
parents:
diff changeset
867 assert "there's no default choice" in capturer.get_text()
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guerler
parents:
diff changeset
868 # Test that the default reply is shown in uppercase.
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guerler
parents:
diff changeset
869 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'y'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
870 for default_value, expected_text in (True, 'Y/n'), (False, 'y/N'), (None, 'y/n'):
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guerler
parents:
diff changeset
871 with CaptureOutput(merged=True) as capturer:
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guerler
parents:
diff changeset
872 assert prompt_for_confirmation("Are you sure?", default=default_value) is True
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guerler
parents:
diff changeset
873 assert expected_text in capturer.get_text()
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guerler
parents:
diff changeset
874 # Test that interactive prompts eventually give up on invalid replies.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
875 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
876 with self.assertRaises(TooManyInvalidReplies):
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guerler
parents:
diff changeset
877 prompt_for_confirmation("Are you sure?")
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guerler
parents:
diff changeset
878
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guerler
parents:
diff changeset
879 def test_prompt_for_input(self):
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guerler
parents:
diff changeset
880 """Test :func:`humanfriendly.prompts.prompt_for_input()`."""
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guerler
parents:
diff changeset
881 with open(os.devnull) as handle:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
882 with PatchedAttribute(sys, 'stdin', handle):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
883 # If standard input isn't connected to a terminal the default value should be returned.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
884 default_value = "To seek the holy grail!"
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guerler
parents:
diff changeset
885 assert prompt_for_input("What is your quest?", default=default_value) == default_value
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
886 # If standard input isn't connected to a terminal and no default value
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
887 # is given the EOFError exception should be propagated to the caller.
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guerler
parents:
diff changeset
888 with self.assertRaises(EOFError):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
889 prompt_for_input("What is your favorite color?")
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guerler
parents:
diff changeset
890
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
891 def test_cli(self):
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guerler
parents:
diff changeset
892 """Test the command line interface."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
893 # Test that the usage message is printed by default.
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guerler
parents:
diff changeset
894 returncode, output = run_cli(main)
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guerler
parents:
diff changeset
895 assert 'Usage:' in output
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
896 # Test that the usage message can be requested explicitly.
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guerler
parents:
diff changeset
897 returncode, output = run_cli(main, '--help')
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guerler
parents:
diff changeset
898 assert 'Usage:' in output
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guerler
parents:
diff changeset
899 # Test handling of invalid command line options.
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guerler
parents:
diff changeset
900 returncode, output = run_cli(main, '--unsupported-option')
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guerler
parents:
diff changeset
901 assert returncode != 0
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guerler
parents:
diff changeset
902 # Test `humanfriendly --format-number'.
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guerler
parents:
diff changeset
903 returncode, output = run_cli(main, '--format-number=1234567')
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guerler
parents:
diff changeset
904 assert output.strip() == '1,234,567'
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guerler
parents:
diff changeset
905 # Test `humanfriendly --format-size'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
906 random_byte_count = random.randint(1024, 1024 * 1024)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
907 returncode, output = run_cli(main, '--format-size=%i' % random_byte_count)
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guerler
parents:
diff changeset
908 assert output.strip() == format_size(random_byte_count)
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guerler
parents:
diff changeset
909 # Test `humanfriendly --format-size --binary'.
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guerler
parents:
diff changeset
910 random_byte_count = random.randint(1024, 1024 * 1024)
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guerler
parents:
diff changeset
911 returncode, output = run_cli(main, '--format-size=%i' % random_byte_count, '--binary')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
912 assert output.strip() == format_size(random_byte_count, binary=True)
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guerler
parents:
diff changeset
913 # Test `humanfriendly --format-length'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
914 random_len = random.randint(1024, 1024 * 1024)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
915 returncode, output = run_cli(main, '--format-length=%i' % random_len)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
916 assert output.strip() == format_length(random_len)
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guerler
parents:
diff changeset
917 random_len = float(random_len) / 12345.6
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guerler
parents:
diff changeset
918 returncode, output = run_cli(main, '--format-length=%f' % random_len)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
919 assert output.strip() == format_length(random_len)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
920 # Test `humanfriendly --format-table'.
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guerler
parents:
diff changeset
921 returncode, output = run_cli(main, '--format-table', '--delimiter=\t', input='1\t2\t3\n4\t5\t6\n7\t8\t9')
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guerler
parents:
diff changeset
922 assert output.strip() == dedent('''
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guerler
parents:
diff changeset
923 -------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
924 | 1 | 2 | 3 |
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guerler
parents:
diff changeset
925 | 4 | 5 | 6 |
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guerler
parents:
diff changeset
926 | 7 | 8 | 9 |
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
927 -------------
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
928 ''').strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
929 # Test `humanfriendly --format-timespan'.
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guerler
parents:
diff changeset
930 random_timespan = random.randint(5, 600)
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guerler
parents:
diff changeset
931 returncode, output = run_cli(main, '--format-timespan=%i' % random_timespan)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
932 assert output.strip() == format_timespan(random_timespan)
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guerler
parents:
diff changeset
933 # Test `humanfriendly --parse-size'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
934 returncode, output = run_cli(main, '--parse-size=5 KB')
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guerler
parents:
diff changeset
935 assert int(output) == parse_size('5 KB')
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guerler
parents:
diff changeset
936 # Test `humanfriendly --parse-size'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
937 returncode, output = run_cli(main, '--parse-size=5 YiB')
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guerler
parents:
diff changeset
938 assert int(output) == parse_size('5 YB', binary=True)
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guerler
parents:
diff changeset
939 # Test `humanfriendly --parse-length'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
940 returncode, output = run_cli(main, '--parse-length=5 km')
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guerler
parents:
diff changeset
941 assert int(output) == parse_length('5 km')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
942 returncode, output = run_cli(main, '--parse-length=1.05 km')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
943 assert float(output) == parse_length('1.05 km')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
944 # Test `humanfriendly --run-command'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
945 returncode, output = run_cli(main, '--run-command', 'bash', '-c', 'sleep 2 && exit 42')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
946 assert returncode == 42
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
947 # Test `humanfriendly --demo'. The purpose of this test is
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
948 # to ensure that the demo runs successfully on all versions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
949 # of Python and outputs the expected sections (recognized by
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
950 # their headings) without triggering exceptions. This was
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
951 # written as a regression test after issue #28 was reported:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
952 # https://github.com/xolox/python-humanfriendly/issues/28
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
953 returncode, output = run_cli(main, '--demo')
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guerler
parents:
diff changeset
954 assert returncode == 0
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guerler
parents:
diff changeset
955 lines = [ansi_strip(l) for l in output.splitlines()]
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guerler
parents:
diff changeset
956 assert "Text styles:" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
957 assert "Foreground colors:" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
958 assert "Background colors:" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
959 assert "256 color mode (standard colors):" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
960 assert "256 color mode (high-intensity colors):" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
961 assert "256 color mode (216 colors):" in lines
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
962 assert "256 color mode (gray scale colors):" in lines
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guerler
parents:
diff changeset
963
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
964 def test_ansi_style(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
965 """Test :func:`humanfriendly.terminal.ansi_style()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
966 assert ansi_style(bold=True) == '%s1%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
967 assert ansi_style(faint=True) == '%s2%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
968 assert ansi_style(italic=True) == '%s3%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
969 assert ansi_style(underline=True) == '%s4%s' % (ANSI_CSI, ANSI_SGR)
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guerler
parents:
diff changeset
970 assert ansi_style(inverse=True) == '%s7%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
971 assert ansi_style(strike_through=True) == '%s9%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
972 assert ansi_style(color='blue') == '%s34%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
973 assert ansi_style(background='blue') == '%s44%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
974 assert ansi_style(color='blue', bright=True) == '%s94%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
975 assert ansi_style(color=214) == '%s38;5;214%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
976 assert ansi_style(background=214) == '%s39;5;214%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
977 assert ansi_style(color=(0, 0, 0)) == '%s38;2;0;0;0%s' % (ANSI_CSI, ANSI_SGR)
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guerler
parents:
diff changeset
978 assert ansi_style(color=(255, 255, 255)) == '%s38;2;255;255;255%s' % (ANSI_CSI, ANSI_SGR)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
979 assert ansi_style(background=(50, 100, 150)) == '%s48;2;50;100;150%s' % (ANSI_CSI, ANSI_SGR)
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guerler
parents:
diff changeset
980 with self.assertRaises(ValueError):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
981 ansi_style(color='unknown')
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guerler
parents:
diff changeset
982
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
983 def test_ansi_width(self):
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984 """Test :func:`humanfriendly.terminal.ansi_width()`."""
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985 text = "Whatever"
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986 # Make sure ansi_width() works as expected on strings without ANSI escape sequences.
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987 assert len(text) == ansi_width(text)
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988 # Wrap a text in ANSI escape sequences and make sure ansi_width() treats it as expected.
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diff changeset
989 wrapped = ansi_wrap(text, bold=True)
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diff changeset
990 # Make sure ansi_wrap() changed the text.
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991 assert wrapped != text
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992 # Make sure ansi_wrap() added additional bytes.
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993 assert len(wrapped) > len(text)
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994 # Make sure the result of ansi_width() stays the same.
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995 assert len(text) == ansi_width(wrapped)
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996
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997 def test_ansi_wrap(self):
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diff changeset
998 """Test :func:`humanfriendly.terminal.ansi_wrap()`."""
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999 text = "Whatever"
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diff changeset
1000 # Make sure ansi_wrap() does nothing when no keyword arguments are given.
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1001 assert text == ansi_wrap(text)
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1002 # Make sure ansi_wrap() starts the text with the CSI sequence.
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1003 assert ansi_wrap(text, bold=True).startswith(ANSI_CSI)
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diff changeset
1004 # Make sure ansi_wrap() ends the text by resetting the ANSI styles.
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diff changeset
1005 assert ansi_wrap(text, bold=True).endswith(ANSI_RESET)
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1006
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1007 def test_html_to_ansi(self):
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1008 """Test the :func:`humanfriendly.terminal.html_to_ansi()` function."""
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1009 assert html_to_ansi("Just some plain text") == "Just some plain text"
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1010 # Hyperlinks.
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1011 assert html_to_ansi('<a href="https://python.org">python.org</a>') == \
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diff changeset
1012 '\x1b[0m\x1b[4;94mpython.org\x1b[0m (\x1b[0m\x1b[4;94mhttps://python.org\x1b[0m)'
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1013 # Make sure `mailto:' prefixes are stripped (they're not at all useful in a terminal).
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1014 assert html_to_ansi('<a href="mailto:peter@peterodding.com">peter@peterodding.com</a>') == \
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diff changeset
1015 '\x1b[0m\x1b[4;94mpeter@peterodding.com\x1b[0m'
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1016 # Bold text.
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1017 assert html_to_ansi("Let's try <b>bold</b>") == "Let's try \x1b[0m\x1b[1mbold\x1b[0m"
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1018 assert html_to_ansi("Let's try <span style=\"font-weight: bold\">bold</span>") == \
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1019 "Let's try \x1b[0m\x1b[1mbold\x1b[0m"
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1020 # Italic text.
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1021 assert html_to_ansi("Let's try <i>italic</i>") == \
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1022 "Let's try \x1b[0m\x1b[3mitalic\x1b[0m"
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1023 assert html_to_ansi("Let's try <span style=\"font-style: italic\">italic</span>") == \
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1024 "Let's try \x1b[0m\x1b[3mitalic\x1b[0m"
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1025 # Underlined text.
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1026 assert html_to_ansi("Let's try <ins>underline</ins>") == \
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diff changeset
1027 "Let's try \x1b[0m\x1b[4munderline\x1b[0m"
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diff changeset
1028 assert html_to_ansi("Let's try <span style=\"text-decoration: underline\">underline</span>") == \
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diff changeset
1029 "Let's try \x1b[0m\x1b[4munderline\x1b[0m"
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1030 # Strike-through text.
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1031 assert html_to_ansi("Let's try <s>strike-through</s>") == \
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diff changeset
1032 "Let's try \x1b[0m\x1b[9mstrike-through\x1b[0m"
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1033 assert html_to_ansi("Let's try <span style=\"text-decoration: line-through\">strike-through</span>") == \
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diff changeset
1034 "Let's try \x1b[0m\x1b[9mstrike-through\x1b[0m"
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diff changeset
1035 # Pre-formatted text.
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diff changeset
1036 assert html_to_ansi("Let's try <code>pre-formatted</code>") == \
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diff changeset
1037 "Let's try \x1b[0m\x1b[33mpre-formatted\x1b[0m"
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diff changeset
1038 # Text colors (with a 6 digit hexadecimal color value).
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1039 assert html_to_ansi("Let's try <span style=\"color: #AABBCC\">text colors</s>") == \
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diff changeset
1040 "Let's try \x1b[0m\x1b[38;2;170;187;204mtext colors\x1b[0m"
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diff changeset
1041 # Background colors (with an rgb(N, N, N) expression).
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diff changeset
1042 assert html_to_ansi("Let's try <span style=\"background-color: rgb(50, 50, 50)\">background colors</s>") == \
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diff changeset
1043 "Let's try \x1b[0m\x1b[48;2;50;50;50mbackground colors\x1b[0m"
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diff changeset
1044 # Line breaks.
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1045 assert html_to_ansi("Let's try some<br>line<br>breaks") == \
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diff changeset
1046 "Let's try some\nline\nbreaks"
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diff changeset
1047 # Check that decimal entities are decoded.
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diff changeset
1048 assert html_to_ansi("&#38;") == "&"
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1049 # Check that named entities are decoded.
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1050 assert html_to_ansi("&amp;") == "&"
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1051 assert html_to_ansi("&gt;") == ">"
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diff changeset
1052 assert html_to_ansi("&lt;") == "<"
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diff changeset
1053 # Check that hexadecimal entities are decoded.
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diff changeset
1054 assert html_to_ansi("&#x26;") == "&"
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diff changeset
1055 # Check that the text callback is actually called.
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diff changeset
1056
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1057 def callback(text):
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diff changeset
1058 return text.replace(':wink:', ';-)')
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diff changeset
1059
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diff changeset
1060 assert ':wink:' not in html_to_ansi('<b>:wink:</b>', callback=callback)
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diff changeset
1061 # Check that the text callback doesn't process preformatted text.
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diff changeset
1062 assert ':wink:' in html_to_ansi('<code>:wink:</code>', callback=callback)
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diff changeset
1063 # Try a somewhat convoluted but nevertheless real life example from my
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diff changeset
1064 # personal chat archives that causes humanfriendly releases 4.15 and
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diff changeset
1065 # 4.15.1 to raise an exception.
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diff changeset
1066 assert html_to_ansi(u'''
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diff changeset
1067 Tweakers zit er idd nog steeds:<br><br>
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diff changeset
1068 peter@peter-work&gt; curl -s <a href="tweakers.net">tweakers.net</a> | grep -i hosting<br>
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parents:
diff changeset
1069 &lt;a href="<a href="http://www.true.nl/webhosting/">http://www.true.nl/webhosting/</a>"
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diff changeset
1070 rel="external" id="true" title="Hosting door True"&gt;&lt;/a&gt;<br>
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diff changeset
1071 Hosting door &lt;a href="<a href="http://www.true.nl/vps/">http://www.true.nl/vps/</a>"
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diff changeset
1072 title="VPS hosting" rel="external"&gt;True</a>
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diff changeset
1073 ''')
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diff changeset
1074
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1075 def test_generate_output(self):
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diff changeset
1076 """Test the :func:`humanfriendly.terminal.output()` function."""
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diff changeset
1077 text = "Standard output generated by output()"
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diff changeset
1078 with CaptureOutput(merged=False) as capturer:
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diff changeset
1079 output(text)
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diff changeset
1080 self.assertEqual([text], capturer.stdout.get_lines())
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diff changeset
1081 self.assertEqual([], capturer.stderr.get_lines())
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diff changeset
1082
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1083 def test_generate_message(self):
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1084 """Test the :func:`humanfriendly.terminal.message()` function."""
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diff changeset
1085 text = "Standard error generated by message()"
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diff changeset
1086 with CaptureOutput(merged=False) as capturer:
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diff changeset
1087 message(text)
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diff changeset
1088 self.assertEqual([], capturer.stdout.get_lines())
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diff changeset
1089 self.assertEqual([text], capturer.stderr.get_lines())
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diff changeset
1090
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diff changeset
1091 def test_generate_warning(self):
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diff changeset
1092 """Test the :func:`humanfriendly.terminal.warning()` function."""
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diff changeset
1093 from capturer import CaptureOutput
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diff changeset
1094 text = "Standard error generated by warning()"
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diff changeset
1095 with CaptureOutput(merged=False) as capturer:
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parents:
diff changeset
1096 warning(text)
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parents:
diff changeset
1097 self.assertEqual([], capturer.stdout.get_lines())
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guerler
parents:
diff changeset
1098 self.assertEqual([ansi_wrap(text, color='red')], self.ignore_coverage_warning(capturer.stderr))
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parents:
diff changeset
1099
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parents:
diff changeset
1100 def ignore_coverage_warning(self, stream):
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parents:
diff changeset
1101 """
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parents:
diff changeset
1102 Filter out coverage.py warning from standard error.
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parents:
diff changeset
1103
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parents:
diff changeset
1104 This is intended to remove the following line from the lines captured
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guerler
parents:
diff changeset
1105 on the standard error stream:
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parents:
diff changeset
1106
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parents:
diff changeset
1107 Coverage.py warning: No data was collected. (no-data-collected)
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guerler
parents:
diff changeset
1108 """
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parents:
diff changeset
1109 return [line for line in stream.get_lines() if 'no-data-collected' not in line]
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guerler
parents:
diff changeset
1110
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parents:
diff changeset
1111 def test_clean_output(self):
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guerler
parents:
diff changeset
1112 """Test :func:`humanfriendly.terminal.clean_terminal_output()`."""
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guerler
parents:
diff changeset
1113 # Simple output should pass through unharmed (single line).
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guerler
parents:
diff changeset
1114 assert clean_terminal_output('foo') == ['foo']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1115 # Simple output should pass through unharmed (multiple lines).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1116 assert clean_terminal_output('foo\nbar') == ['foo', 'bar']
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guerler
parents:
diff changeset
1117 # Carriage returns and preceding substrings are removed.
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guerler
parents:
diff changeset
1118 assert clean_terminal_output('foo\rbar\nbaz') == ['bar', 'baz']
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guerler
parents:
diff changeset
1119 # Carriage returns move the cursor to the start of the line without erasing text.
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guerler
parents:
diff changeset
1120 assert clean_terminal_output('aaa\rab') == ['aba']
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guerler
parents:
diff changeset
1121 # Backspace moves the cursor one position back without erasing text.
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guerler
parents:
diff changeset
1122 assert clean_terminal_output('aaa\b\bb') == ['aba']
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parents:
diff changeset
1123 # Trailing empty lines should be stripped.
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guerler
parents:
diff changeset
1124 assert clean_terminal_output('foo\nbar\nbaz\n\n\n') == ['foo', 'bar', 'baz']
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parents:
diff changeset
1125
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parents:
diff changeset
1126 def test_find_terminal_size(self):
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guerler
parents:
diff changeset
1127 """Test :func:`humanfriendly.terminal.find_terminal_size()`."""
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guerler
parents:
diff changeset
1128 lines, columns = find_terminal_size()
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guerler
parents:
diff changeset
1129 # We really can't assert any minimum or maximum values here because it
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1130 # simply doesn't make any sense; it's impossible for me to anticipate
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1131 # on what environments this test suite will run in the future.
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guerler
parents:
diff changeset
1132 assert lines > 0
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1133 assert columns > 0
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1134 # The find_terminal_size_using_ioctl() function is the default
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1135 # implementation and it will likely work fine. This makes it hard to
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1136 # test the fall back code paths though. However there's an easy way to
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1137 # make find_terminal_size_using_ioctl() fail ...
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1138 saved_stdin = sys.stdin
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parents:
diff changeset
1139 saved_stdout = sys.stdout
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parents:
diff changeset
1140 saved_stderr = sys.stderr
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guerler
parents:
diff changeset
1141 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1142 # What do you mean this is brute force?! ;-)
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guerler
parents:
diff changeset
1143 sys.stdin = StringIO()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1144 sys.stdout = StringIO()
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guerler
parents:
diff changeset
1145 sys.stderr = StringIO()
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guerler
parents:
diff changeset
1146 # Now find_terminal_size_using_ioctl() should fail even though
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1147 # find_terminal_size_using_stty() might work fine.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1148 lines, columns = find_terminal_size()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1149 assert lines > 0
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1150 assert columns > 0
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1151 # There's also an ugly way to make `stty size' fail: The
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1152 # subprocess.Popen class uses os.execvp() underneath, so if we
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1153 # clear the $PATH it will break.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1154 saved_path = os.environ['PATH']
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guerler
parents:
diff changeset
1155 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1156 os.environ['PATH'] = ''
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guerler
parents:
diff changeset
1157 # Now find_terminal_size_using_stty() should fail.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1158 lines, columns = find_terminal_size()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1159 assert lines > 0
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guerler
parents:
diff changeset
1160 assert columns > 0
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guerler
parents:
diff changeset
1161 finally:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1162 os.environ['PATH'] = saved_path
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1163 finally:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1164 sys.stdin = saved_stdin
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guerler
parents:
diff changeset
1165 sys.stdout = saved_stdout
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1166 sys.stderr = saved_stderr
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1167
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1168 def test_terminal_capabilities(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1169 """Test the functions that check for terminal capabilities."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1170 from capturer import CaptureOutput
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1171 for test_stream in connected_to_terminal, terminal_supports_colors:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1172 # This test suite should be able to run interactively as well as
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1173 # non-interactively, so we can't expect or demand that standard streams
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1174 # will always be connected to a terminal. Fortunately Capturer enables
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1175 # us to fake it :-).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1176 for stream in sys.stdout, sys.stderr:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1177 with CaptureOutput():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1178 assert test_stream(stream)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1179 # Test something that we know can never be a terminal.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1180 with open(os.devnull) as handle:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1181 assert not test_stream(handle)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1182 # Verify that objects without isatty() don't raise an exception.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1183 assert not test_stream(object())
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1184
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1185 def test_show_pager(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1186 """Test :func:`humanfriendly.terminal.show_pager()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1187 original_pager = os.environ.get('PAGER', None)
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guerler
parents:
diff changeset
1188 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1189 # We specifically avoid `less' because it would become awkward to
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1190 # run the test suite in an interactive terminal :-).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1191 os.environ['PAGER'] = 'cat'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1192 # Generate a significant amount of random text spread over multiple
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1193 # lines that we expect to be reported literally on the terminal.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1194 random_text = "\n".join(random_string(25) for i in range(50))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1195 # Run the pager command and validate the output.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1196 with CaptureOutput() as capturer:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1197 show_pager(random_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1198 assert random_text in capturer.get_text()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1199 finally:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1200 if original_pager is not None:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1201 # Restore the original $PAGER value.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1202 os.environ['PAGER'] = original_pager
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1203 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1204 # Clear the custom $PAGER value.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1205 os.environ.pop('PAGER')
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guerler
parents:
diff changeset
1206
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1207 def test_get_pager_command(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1208 """Test :func:`humanfriendly.terminal.get_pager_command()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1209 # Make sure --RAW-CONTROL-CHARS isn't used when it's not needed.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1210 assert '--RAW-CONTROL-CHARS' not in get_pager_command("Usage message")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1211 # Make sure --RAW-CONTROL-CHARS is used when it's needed.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1212 assert '--RAW-CONTROL-CHARS' in get_pager_command(ansi_wrap("Usage message", bold=True))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1213 # Make sure that less-specific options are only used when valid.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1214 options_specific_to_less = ['--no-init', '--quit-if-one-screen']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1215 for pager in 'cat', 'less':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1216 original_pager = os.environ.get('PAGER', None)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1217 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1218 # Set $PAGER to `cat' or `less'.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1219 os.environ['PAGER'] = pager
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1220 # Get the pager command line.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1221 command_line = get_pager_command()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1222 # Check for less-specific options.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1223 if pager == 'less':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1224 assert all(opt in command_line for opt in options_specific_to_less)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1225 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1226 assert not any(opt in command_line for opt in options_specific_to_less)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1227 finally:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1228 if original_pager is not None:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1229 # Restore the original $PAGER value.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1230 os.environ['PAGER'] = original_pager
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1231 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1232 # Clear the custom $PAGER value.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1233 os.environ.pop('PAGER')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1234
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1235 def test_find_meta_variables(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1236 """Test :func:`humanfriendly.usage.find_meta_variables()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1237 assert sorted(find_meta_variables("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1238 Here's one example: --format-number=VALUE
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1239 Here's another example: --format-size=BYTES
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1240 A final example: --format-timespan=SECONDS
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1241 This line doesn't contain a META variable.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1242 """)) == sorted(['VALUE', 'BYTES', 'SECONDS'])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1243
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1244 def test_parse_usage_simple(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1245 """Test :func:`humanfriendly.usage.parse_usage()` (a simple case)."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1246 introduction, options = self.preprocess_parse_result("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1247 Usage: my-fancy-app [OPTIONS]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1248
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1249 Boring description.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1250
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1251 Supported options:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1252
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1253 -h, --help
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1254
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1255 Show this message and exit.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1256 """)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1257 # The following fragments are (expected to be) part of the introduction.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1258 assert "Usage: my-fancy-app [OPTIONS]" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1259 assert "Boring description." in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1260 assert "Supported options:" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1261 # The following fragments are (expected to be) part of the documented options.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1262 assert "-h, --help" in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1263 assert "Show this message and exit." in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1264
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1265 def test_parse_usage_tricky(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1266 """Test :func:`humanfriendly.usage.parse_usage()` (a tricky case)."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1267 introduction, options = self.preprocess_parse_result("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1268 Usage: my-fancy-app [OPTIONS]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1269
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1270 Here's the introduction to my-fancy-app. Some of the lines in the
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1271 introduction start with a command line option just to confuse the
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1272 parsing algorithm :-)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1273
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1274 For example
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1275 --an-awesome-option
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1276 is still part of the introduction.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1277
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1278 Supported options:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1279
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1280 -a, --an-awesome-option
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1281
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1282 Explanation why this is an awesome option.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1283
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1284 -b, --a-boring-option
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1285
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1286 Explanation why this is a boring option.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1287 """)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1288 # The following fragments are (expected to be) part of the introduction.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1289 assert "Usage: my-fancy-app [OPTIONS]" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1290 assert any('still part of the introduction' in p for p in introduction)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1291 assert "Supported options:" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1292 # The following fragments are (expected to be) part of the documented options.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1293 assert "-a, --an-awesome-option" in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1294 assert "Explanation why this is an awesome option." in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1295 assert "-b, --a-boring-option" in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1296 assert "Explanation why this is a boring option." in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1297
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1298 def test_parse_usage_commas(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1299 """Test :func:`humanfriendly.usage.parse_usage()` against option labels containing commas."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1300 introduction, options = self.preprocess_parse_result("""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1301 Usage: my-fancy-app [OPTIONS]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1302
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1303 Some introduction goes here.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1304
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1305 Supported options:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1306
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1307 -f, --first-option
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1308
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1309 Explanation of first option.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1310
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1311 -s, --second-option=WITH,COMMA
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1312
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1313 This should be a separate option's description.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1314 """)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1315 # The following fragments are (expected to be) part of the introduction.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1316 assert "Usage: my-fancy-app [OPTIONS]" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1317 assert "Some introduction goes here." in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1318 assert "Supported options:" in introduction
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1319 # The following fragments are (expected to be) part of the documented options.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1320 assert "-f, --first-option" in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1321 assert "Explanation of first option." in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1322 assert "-s, --second-option=WITH,COMMA" in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1323 assert "This should be a separate option's description." in options
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1324
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1325 def preprocess_parse_result(self, text):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1326 """Ignore leading/trailing whitespace in usage parsing tests."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1327 return tuple([p.strip() for p in r] for r in parse_usage(dedent(text)))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1328
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1329 def test_format_usage(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1330 """Test :func:`humanfriendly.usage.format_usage()`."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1331 # Test that options are highlighted.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1332 usage_text = "Just one --option"
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1333 formatted_text = format_usage(usage_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1334 assert len(formatted_text) > len(usage_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1335 assert formatted_text.startswith("Just one ")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1336 # Test that the "Usage: ..." line is highlighted.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1337 usage_text = "Usage: humanfriendly [OPTIONS]"
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1338 formatted_text = format_usage(usage_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1339 assert len(formatted_text) > len(usage_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1340 assert usage_text in formatted_text
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1341 assert not formatted_text.startswith(usage_text)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1342 # Test that meta variables aren't erroneously highlighted.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1343 usage_text = (
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1344 "--valid-option=VALID_METAVAR\n"
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guerler
parents:
diff changeset
1345 "VALID_METAVAR is bogus\n"
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guerler
parents:
diff changeset
1346 "INVALID_METAVAR should not be highlighted\n"
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guerler
parents:
diff changeset
1347 )
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guerler
parents:
diff changeset
1348 formatted_text = format_usage(usage_text)
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guerler
parents:
diff changeset
1349 formatted_lines = formatted_text.splitlines()
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guerler
parents:
diff changeset
1350 # Make sure the meta variable in the second line is highlighted.
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guerler
parents:
diff changeset
1351 assert ANSI_CSI in formatted_lines[1]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1352 # Make sure the meta variable in the third line isn't highlighted.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1353 assert ANSI_CSI not in formatted_lines[2]
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guerler
parents:
diff changeset
1354
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guerler
parents:
diff changeset
1355 def test_render_usage(self):
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guerler
parents:
diff changeset
1356 """Test :func:`humanfriendly.usage.render_usage()`."""
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guerler
parents:
diff changeset
1357 assert render_usage("Usage: some-command WITH ARGS") == "**Usage:** `some-command WITH ARGS`"
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1358 assert render_usage("Supported options:") == "**Supported options:**"
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guerler
parents:
diff changeset
1359 assert 'code-block' in render_usage(dedent("""
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guerler
parents:
diff changeset
1360 Here comes a shell command:
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guerler
parents:
diff changeset
1361
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guerler
parents:
diff changeset
1362 $ echo test
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guerler
parents:
diff changeset
1363 test
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guerler
parents:
diff changeset
1364 """))
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guerler
parents:
diff changeset
1365 assert all(token in render_usage(dedent("""
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guerler
parents:
diff changeset
1366 Supported options:
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guerler
parents:
diff changeset
1367
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guerler
parents:
diff changeset
1368 -n, --dry-run
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guerler
parents:
diff changeset
1369
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guerler
parents:
diff changeset
1370 Don't change anything.
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parents:
diff changeset
1371 """)) for token in ('`-n`', '`--dry-run`'))
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guerler
parents:
diff changeset
1372
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parents:
diff changeset
1373 def test_deprecated_args(self):
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guerler
parents:
diff changeset
1374 """Test the deprecated_args() decorator function."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1375 @deprecated_args('foo', 'bar')
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guerler
parents:
diff changeset
1376 def test_function(**options):
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guerler
parents:
diff changeset
1377 assert options['foo'] == 'foo'
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guerler
parents:
diff changeset
1378 assert options.get('bar') in (None, 'bar')
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guerler
parents:
diff changeset
1379 return 42
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guerler
parents:
diff changeset
1380 fake_fn = MagicMock()
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guerler
parents:
diff changeset
1381 with PatchedAttribute(warnings, 'warn', fake_fn):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1382 assert test_function('foo', 'bar') == 42
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1383 with self.assertRaises(TypeError):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1384 test_function('foo', 'bar', 'baz')
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guerler
parents:
diff changeset
1385 assert fake_fn.was_called
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guerler
parents:
diff changeset
1386
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guerler
parents:
diff changeset
1387 def test_alias_proxy_deprecation_warning(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1388 """Test that the DeprecationProxy class emits deprecation warnings."""
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guerler
parents:
diff changeset
1389 fake_fn = MagicMock()
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guerler
parents:
diff changeset
1390 with PatchedAttribute(warnings, 'warn', fake_fn):
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guerler
parents:
diff changeset
1391 module = sys.modules[__name__]
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guerler
parents:
diff changeset
1392 aliases = dict(concatenate='humanfriendly.text.concatenate')
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guerler
parents:
diff changeset
1393 proxy = DeprecationProxy(module, aliases)
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guerler
parents:
diff changeset
1394 assert proxy.concatenate == concatenate
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guerler
parents:
diff changeset
1395 assert fake_fn.was_called
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guerler
parents:
diff changeset
1396
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guerler
parents:
diff changeset
1397 def test_alias_proxy_sphinx_compensation(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1398 """Test that the DeprecationProxy class emits deprecation warnings."""
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guerler
parents:
diff changeset
1399 with PatchedItem(sys.modules, 'sphinx', types.ModuleType('sphinx')):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1400 define_aliases(__name__, concatenate='humanfriendly.text.concatenate')
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guerler
parents:
diff changeset
1401 assert "concatenate" in dir(sys.modules[__name__])
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guerler
parents:
diff changeset
1402 assert "concatenate" in get_aliases(__name__)
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guerler
parents:
diff changeset
1403
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guerler
parents:
diff changeset
1404 def test_alias_proxy_sphinx_integration(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1405 """Test that aliases can be injected into generated documentation."""
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guerler
parents:
diff changeset
1406 module = sys.modules[__name__]
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guerler
parents:
diff changeset
1407 define_aliases(__name__, concatenate='humanfriendly.text.concatenate')
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guerler
parents:
diff changeset
1408 lines = module.__doc__.splitlines()
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guerler
parents:
diff changeset
1409 deprecation_note_callback(app=None, what=None, name=None, obj=module, options=None, lines=lines)
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guerler
parents:
diff changeset
1410 # Check that something was injected.
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guerler
parents:
diff changeset
1411 assert "\n".join(lines) != module.__doc__
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guerler
parents:
diff changeset
1412
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guerler
parents:
diff changeset
1413 def test_sphinx_customizations(self):
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guerler
parents:
diff changeset
1414 """Test the :mod:`humanfriendly.sphinx` module."""
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guerler
parents:
diff changeset
1415 class FakeApp(object):
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guerler
parents:
diff changeset
1416
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guerler
parents:
diff changeset
1417 def __init__(self):
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guerler
parents:
diff changeset
1418 self.callbacks = {}
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guerler
parents:
diff changeset
1419 self.roles = {}
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guerler
parents:
diff changeset
1420
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guerler
parents:
diff changeset
1421 def __documented_special_method__(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1422 """Documented unofficial special method."""
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guerler
parents:
diff changeset
1423 pass
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guerler
parents:
diff changeset
1424
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guerler
parents:
diff changeset
1425 def __undocumented_special_method__(self):
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guerler
parents:
diff changeset
1426 # Intentionally not documented :-).
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guerler
parents:
diff changeset
1427 pass
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guerler
parents:
diff changeset
1428
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guerler
parents:
diff changeset
1429 def add_role(self, name, callback):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1430 self.roles[name] = callback
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guerler
parents:
diff changeset
1431
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1432 def connect(self, event, callback):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1433 self.callbacks.setdefault(event, []).append(callback)
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guerler
parents:
diff changeset
1434
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guerler
parents:
diff changeset
1435 def bogus_usage(self):
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guerler
parents:
diff changeset
1436 """Usage: This is not supposed to be reformatted!"""
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guerler
parents:
diff changeset
1437 pass
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1438
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guerler
parents:
diff changeset
1439 # Test event callback registration.
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guerler
parents:
diff changeset
1440 fake_app = FakeApp()
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guerler
parents:
diff changeset
1441 setup(fake_app)
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guerler
parents:
diff changeset
1442 assert man_role == fake_app.roles['man']
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guerler
parents:
diff changeset
1443 assert pypi_role == fake_app.roles['pypi']
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guerler
parents:
diff changeset
1444 assert deprecation_note_callback in fake_app.callbacks['autodoc-process-docstring']
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guerler
parents:
diff changeset
1445 assert special_methods_callback in fake_app.callbacks['autodoc-skip-member']
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guerler
parents:
diff changeset
1446 assert usage_message_callback in fake_app.callbacks['autodoc-process-docstring']
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guerler
parents:
diff changeset
1447 # Test that `special methods' which are documented aren't skipped.
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guerler
parents:
diff changeset
1448 assert special_methods_callback(
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guerler
parents:
diff changeset
1449 app=None, what=None, name=None,
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guerler
parents:
diff changeset
1450 obj=FakeApp.__documented_special_method__,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1451 skip=True, options=None,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1452 ) is False
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1453 # Test that `special methods' which are undocumented are skipped.
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guerler
parents:
diff changeset
1454 assert special_methods_callback(
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guerler
parents:
diff changeset
1455 app=None, what=None, name=None,
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guerler
parents:
diff changeset
1456 obj=FakeApp.__undocumented_special_method__,
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guerler
parents:
diff changeset
1457 skip=True, options=None,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1458 ) is True
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1459 # Test formatting of usage messages. obj/lines
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guerler
parents:
diff changeset
1460 from humanfriendly import cli, sphinx
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guerler
parents:
diff changeset
1461 # We expect the docstring in the `cli' module to be reformatted
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1462 # (because it contains a usage message in the expected format).
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guerler
parents:
diff changeset
1463 assert self.docstring_is_reformatted(cli)
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guerler
parents:
diff changeset
1464 # We don't expect the docstring in the `sphinx' module to be
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1465 # reformatted (because it doesn't contain a usage message).
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guerler
parents:
diff changeset
1466 assert not self.docstring_is_reformatted(sphinx)
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guerler
parents:
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1467 # We don't expect the docstring of the following *method* to be
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1468 # reformatted because only *module* docstrings should be reformatted.
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1469 assert not self.docstring_is_reformatted(fake_app.bogus_usage)
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1470
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1471 def docstring_is_reformatted(self, entity):
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1472 """Check whether :func:`.usage_message_callback()` reformats a module's docstring."""
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1473 lines = trim_empty_lines(entity.__doc__).splitlines()
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1474 saved_lines = list(lines)
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1475 usage_message_callback(
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1476 app=None, what=None, name=None,
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1477 obj=entity, options=None, lines=lines,
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1478 )
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1479 return lines != saved_lines
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1480
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1481
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1482 def normalize_timestamp(value, ndigits=1):
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1483 """
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1484 Round timestamps to the given number of digits.
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1485
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1486 This helps to make the test suite less sensitive to timing issues caused by
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1487 multitasking, processor scheduling, etc.
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1488 """
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1489 return '%.2f' % round(float(value), ndigits=ndigits)