Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/humanfriendly/tests.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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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: December 1, 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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401 # Make sure flags are respected. |
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402 pattern = coerce_pattern('foobar', re.IGNORECASE) |
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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 seconds' == 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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501 self.assertEqual('1 TB', format_size(1000 ** 4)) |
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502 self.assertEqual('1 PB', format_size(1000 ** 5)) |
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503 self.assertEqual('1 EB', format_size(1000 ** 6)) |
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504 self.assertEqual('1 ZB', format_size(1000 ** 7)) |
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505 self.assertEqual('1 YB', format_size(1000 ** 8)) |
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506 self.assertEqual('1 KiB', format_size(1024 ** 1, binary=True)) |
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507 self.assertEqual('1 MiB', format_size(1024 ** 2, binary=True)) |
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508 self.assertEqual('1 GiB', format_size(1024 ** 3, binary=True)) |
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509 self.assertEqual('1 TiB', format_size(1024 ** 4, binary=True)) |
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510 self.assertEqual('1 PiB', format_size(1024 ** 5, binary=True)) |
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511 self.assertEqual('1 EiB', format_size(1024 ** 6, binary=True)) |
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512 self.assertEqual('1 ZiB', format_size(1024 ** 7, binary=True)) |
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513 self.assertEqual('1 YiB', format_size(1024 ** 8, binary=True)) |
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514 self.assertEqual('45 KB', format_size(1000 * 45)) |
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515 self.assertEqual('2.9 TB', format_size(1000 ** 4 * 2.9)) |
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516 |
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517 def test_parse_size(self): |
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518 """Test :func:`humanfriendly.parse_size()`.""" |
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519 self.assertEqual(0, parse_size('0B')) |
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520 self.assertEqual(42, parse_size('42')) |
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521 self.assertEqual(42, parse_size('42B')) |
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522 self.assertEqual(1000, parse_size('1k')) |
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523 self.assertEqual(1024, parse_size('1k', binary=True)) |
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524 self.assertEqual(1000, parse_size('1 KB')) |
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525 self.assertEqual(1000, parse_size('1 kilobyte')) |
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526 self.assertEqual(1024, parse_size('1 kilobyte', binary=True)) |
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527 self.assertEqual(1000 ** 2 * 69, parse_size('69 MB')) |
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528 self.assertEqual(1000 ** 3, parse_size('1 GB')) |
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529 self.assertEqual(1000 ** 4, parse_size('1 TB')) |
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530 self.assertEqual(1000 ** 5, parse_size('1 PB')) |
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531 self.assertEqual(1000 ** 6, parse_size('1 EB')) |
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532 self.assertEqual(1000 ** 7, parse_size('1 ZB')) |
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533 self.assertEqual(1000 ** 8, parse_size('1 YB')) |
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534 self.assertEqual(1000 ** 3 * 1.5, parse_size('1.5 GB')) |
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535 self.assertEqual(1024 ** 8 * 1.5, parse_size('1.5 YiB')) |
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536 with self.assertRaises(InvalidSize): |
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537 parse_size('1q') |
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538 with self.assertRaises(InvalidSize): |
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539 parse_size('a') |
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540 |
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541 def test_format_length(self): |
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542 """Test :func:`humanfriendly.format_length()`.""" |
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543 self.assertEqual('0 metres', format_length(0)) |
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544 self.assertEqual('1 metre', format_length(1)) |
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545 self.assertEqual('42 metres', format_length(42)) |
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546 self.assertEqual('1 km', format_length(1 * 1000)) |
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547 self.assertEqual('15.3 cm', format_length(0.153)) |
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548 self.assertEqual('1 cm', format_length(1e-02)) |
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549 self.assertEqual('1 mm', format_length(1e-03)) |
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550 self.assertEqual('1 nm', format_length(1e-09)) |
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551 |
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552 def test_parse_length(self): |
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553 """Test :func:`humanfriendly.parse_length()`.""" |
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554 self.assertEqual(0, parse_length('0m')) |
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555 self.assertEqual(42, parse_length('42')) |
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556 self.assertEqual(1.5, parse_length('1.5')) |
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557 self.assertEqual(42, parse_length('42m')) |
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558 self.assertEqual(1000, parse_length('1km')) |
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559 self.assertEqual(0.153, parse_length('15.3 cm')) |
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560 self.assertEqual(1e-02, parse_length('1cm')) |
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561 self.assertEqual(1e-03, parse_length('1mm')) |
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562 self.assertEqual(1e-09, parse_length('1nm')) |
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563 with self.assertRaises(InvalidLength): |
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564 parse_length('1z') |
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565 with self.assertRaises(InvalidLength): |
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566 parse_length('a') |
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567 |
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568 def test_format_number(self): |
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569 """Test :func:`humanfriendly.format_number()`.""" |
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570 self.assertEqual('1', format_number(1)) |
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571 self.assertEqual('1.5', format_number(1.5)) |
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572 self.assertEqual('1.56', format_number(1.56789)) |
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573 self.assertEqual('1.567', format_number(1.56789, 3)) |
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574 self.assertEqual('1,000', format_number(1000)) |
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575 self.assertEqual('1,000', format_number(1000.12, 0)) |
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576 self.assertEqual('1,000,000', format_number(1000000)) |
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577 self.assertEqual('1,000,000.42', format_number(1000000.42)) |
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578 # Regression test for https://github.com/xolox/python-humanfriendly/issues/40. |
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579 self.assertEqual('-285.67', format_number(-285.67)) |
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580 |
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581 def test_round_number(self): |
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582 """Test :func:`humanfriendly.round_number()`.""" |
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583 self.assertEqual('1', round_number(1)) |
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584 self.assertEqual('1', round_number(1.0)) |
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585 self.assertEqual('1.00', round_number(1, keep_width=True)) |
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586 self.assertEqual('3.14', round_number(3.141592653589793)) |
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587 |
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588 def test_format_path(self): |
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589 """Test :func:`humanfriendly.format_path()`.""" |
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590 friendly_path = os.path.join('~', '.vimrc') |
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591 absolute_path = os.path.join(os.environ['HOME'], '.vimrc') |
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592 self.assertEqual(friendly_path, format_path(absolute_path)) |
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593 |
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594 def test_parse_path(self): |
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595 """Test :func:`humanfriendly.parse_path()`.""" |
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596 friendly_path = os.path.join('~', '.vimrc') |
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597 absolute_path = os.path.join(os.environ['HOME'], '.vimrc') |
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598 self.assertEqual(absolute_path, parse_path(friendly_path)) |
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599 |
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600 def test_pretty_tables(self): |
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601 """Test :func:`humanfriendly.tables.format_pretty_table()`.""" |
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602 # The simplest case possible :-). |
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603 data = [['Just one column']] |
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604 assert format_pretty_table(data) == dedent(""" |
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605 ------------------- |
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606 | Just one column | |
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607 ------------------- |
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608 """).strip() |
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609 # A bit more complex: two rows, three columns, varying widths. |
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610 data = [['One', 'Two', 'Three'], ['1', '2', '3']] |
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611 assert format_pretty_table(data) == dedent(""" |
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612 --------------------- |
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613 | One | Two | Three | |
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614 | 1 | 2 | 3 | |
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615 --------------------- |
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616 """).strip() |
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617 # A table including column names. |
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618 column_names = ['One', 'Two', 'Three'] |
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619 data = [['1', '2', '3'], ['a', 'b', 'c']] |
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620 assert ansi_strip(format_pretty_table(data, column_names)) == dedent(""" |
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621 --------------------- |
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622 | One | Two | Three | |
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623 --------------------- |
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624 | 1 | 2 | 3 | |
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625 | a | b | c | |
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626 --------------------- |
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627 """).strip() |
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628 # A table that contains a column with only numeric data (will be right aligned). |
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629 column_names = ['Just a label', 'Important numbers'] |
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630 data = [['Row one', '15'], ['Row two', '300']] |
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631 assert ansi_strip(format_pretty_table(data, column_names)) == dedent(""" |
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632 ------------------------------------ |
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633 | Just a label | Important numbers | |
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634 ------------------------------------ |
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635 | Row one | 15 | |
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636 | Row two | 300 | |
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637 ------------------------------------ |
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638 """).strip() |
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639 |
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640 def test_robust_tables(self): |
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641 """Test :func:`humanfriendly.tables.format_robust_table()`.""" |
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642 column_names = ['One', 'Two', 'Three'] |
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643 data = [['1', '2', '3'], ['a', 'b', 'c']] |
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644 assert ansi_strip(format_robust_table(data, column_names)) == dedent(""" |
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645 -------- |
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646 One: 1 |
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647 Two: 2 |
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648 Three: 3 |
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649 -------- |
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650 One: a |
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651 Two: b |
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652 Three: c |
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653 -------- |
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654 """).strip() |
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655 column_names = ['One', 'Two', 'Three'] |
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656 data = [['1', '2', '3'], ['a', 'b', 'Here comes a\nmulti line column!']] |
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657 assert ansi_strip(format_robust_table(data, column_names)) == dedent(""" |
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658 ------------------ |
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659 One: 1 |
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660 Two: 2 |
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661 Three: 3 |
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662 ------------------ |
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663 One: a |
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664 Two: b |
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665 Three: |
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666 Here comes a |
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667 multi line column! |
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668 ------------------ |
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669 """).strip() |
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670 |
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671 def test_smart_tables(self): |
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672 """Test :func:`humanfriendly.tables.format_smart_table()`.""" |
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673 column_names = ['One', 'Two', 'Three'] |
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674 data = [['1', '2', '3'], ['a', 'b', 'c']] |
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675 assert ansi_strip(format_smart_table(data, column_names)) == dedent(""" |
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676 --------------------- |
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677 | One | Two | Three | |
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678 --------------------- |
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679 | 1 | 2 | 3 | |
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680 | a | b | c | |
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681 --------------------- |
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682 """).strip() |
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683 column_names = ['One', 'Two', 'Three'] |
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684 data = [['1', '2', '3'], ['a', 'b', 'Here comes a\nmulti line column!']] |
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685 assert ansi_strip(format_smart_table(data, column_names)) == dedent(""" |
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686 ------------------ |
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687 One: 1 |
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688 Two: 2 |
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689 Three: 3 |
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690 ------------------ |
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691 One: a |
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692 Two: b |
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693 Three: |
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694 Here comes a |
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695 multi line column! |
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696 ------------------ |
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697 """).strip() |
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698 |
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699 def test_rst_tables(self): |
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700 """Test :func:`humanfriendly.tables.format_rst_table()`.""" |
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701 # Generate a table with column names. |
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702 column_names = ['One', 'Two', 'Three'] |
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703 data = [['1', '2', '3'], ['a', 'b', 'c']] |
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704 self.assertEqual( |
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705 format_rst_table(data, column_names), |
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706 dedent(""" |
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707 === === ===== |
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708 One Two Three |
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709 === === ===== |
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710 1 2 3 |
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711 a b c |
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712 === === ===== |
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713 """).rstrip(), |
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714 ) |
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715 # Generate a table without column names. |
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716 data = [['1', '2', '3'], ['a', 'b', 'c']] |
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717 self.assertEqual( |
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718 format_rst_table(data), |
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719 dedent(""" |
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720 = = = |
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721 1 2 3 |
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722 a b c |
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723 = = = |
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724 """).rstrip(), |
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725 ) |
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726 |
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|
727 def test_concatenate(self): |
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728 """Test :func:`humanfriendly.text.concatenate()`.""" |
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729 assert concatenate([]) == '' |
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730 assert concatenate(['one']) == 'one' |
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731 assert concatenate(['one', 'two']) == 'one and two' |
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732 assert concatenate(['one', 'two', 'three']) == 'one, two and three' |
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733 # Test the 'conjunction' option. |
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734 assert concatenate(['one', 'two', 'three'], conjunction='or') == 'one, two or three' |
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735 # Test the 'serial_comma' option. |
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736 assert concatenate(['one', 'two', 'three'], serial_comma=True) == 'one, two, and three' |
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|
737 |
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|
738 def test_split(self): |
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739 """Test :func:`humanfriendly.text.split()`.""" |
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740 from humanfriendly.text import split |
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741 self.assertEqual(split(''), []) |
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742 self.assertEqual(split('foo'), ['foo']) |
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743 self.assertEqual(split('foo, bar'), ['foo', 'bar']) |
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744 self.assertEqual(split('foo, bar, baz'), ['foo', 'bar', 'baz']) |
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745 self.assertEqual(split('foo,bar,baz'), ['foo', 'bar', 'baz']) |
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746 |
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747 def test_timer(self): |
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748 """Test :func:`humanfriendly.Timer`.""" |
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749 for seconds, text in ((1, '1 second'), |
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750 (2, '2 seconds'), |
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751 (60, '1 minute'), |
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752 (60 * 2, '2 minutes'), |
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753 (60 * 60, '1 hour'), |
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754 (60 * 60 * 2, '2 hours'), |
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755 (60 * 60 * 24, '1 day'), |
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756 (60 * 60 * 24 * 2, '2 days'), |
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757 (60 * 60 * 24 * 7, '1 week'), |
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758 (60 * 60 * 24 * 7 * 2, '2 weeks')): |
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759 t = Timer(time.time() - seconds) |
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760 self.assertEqual(round_number(t.elapsed_time, keep_width=True), '%i.00' % seconds) |
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761 self.assertEqual(str(t), text) |
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762 # Test rounding to seconds. |
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763 t = Timer(time.time() - 2.2) |
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764 self.assertEqual(t.rounded, '2 seconds') |
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765 # Test automatic timer. |
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766 automatic_timer = Timer() |
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767 time.sleep(1) |
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768 # XXX The following normalize_timestamp(ndigits=0) calls are intended |
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769 # to compensate for unreliable clock sources in virtual machines |
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770 # like those encountered on Travis CI, see also: |
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771 # https://travis-ci.org/xolox/python-humanfriendly/jobs/323944263 |
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772 self.assertEqual(normalize_timestamp(automatic_timer.elapsed_time, 0), '1.00') |
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773 # Test resumable timer. |
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774 resumable_timer = Timer(resumable=True) |
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775 for i in range(2): |
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776 with resumable_timer: |
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777 time.sleep(1) |
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778 self.assertEqual(normalize_timestamp(resumable_timer.elapsed_time, 0), '2.00') |
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779 # Make sure Timer.__enter__() returns the timer object. |
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780 with Timer(resumable=True) as timer: |
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781 assert timer is not None |
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782 |
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783 def test_spinner(self): |
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784 """Test :func:`humanfriendly.Spinner`.""" |
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785 stream = StringIO() |
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786 spinner = Spinner(label='test spinner', total=4, stream=stream, interactive=True) |
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787 for progress in [1, 2, 3, 4]: |
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788 spinner.step(progress=progress) |
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789 time.sleep(0.2) |
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790 spinner.clear() |
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791 output = stream.getvalue() |
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792 output = (output.replace(ANSI_SHOW_CURSOR, '') |
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793 .replace(ANSI_HIDE_CURSOR, '')) |
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794 lines = [line for line in output.split(ANSI_ERASE_LINE) if line] |
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795 self.assertTrue(len(lines) > 0) |
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796 self.assertTrue(all('test spinner' in ln for ln in lines)) |
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797 self.assertTrue(all('%' in ln for ln in lines)) |
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798 self.assertEqual(sorted(set(lines)), sorted(lines)) |
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799 |
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800 def test_automatic_spinner(self): |
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801 """ |
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802 Test :func:`humanfriendly.AutomaticSpinner`. |
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803 |
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804 There's not a lot to test about the :class:`.AutomaticSpinner` class, |
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805 but by at least running it here we are assured that the code functions |
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806 on all supported Python versions. :class:`.AutomaticSpinner` is built |
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807 on top of the :class:`.Spinner` class so at least we also have the |
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808 tests for the :class:`.Spinner` class to back us up. |
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809 """ |
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810 with AutomaticSpinner(label='test spinner'): |
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811 time.sleep(1) |
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812 |
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813 def test_prompt_for_choice(self): |
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814 """Test :func:`humanfriendly.prompts.prompt_for_choice()`.""" |
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815 # Choice selection without any options should raise an exception. |
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816 with self.assertRaises(ValueError): |
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817 prompt_for_choice([]) |
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818 # If there's only one option no prompt should be rendered so we expect |
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819 # the following code to not raise an EOFError exception (despite |
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820 # connecting standard input to /dev/null). |
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821 with open(os.devnull) as handle: |
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822 with PatchedAttribute(sys, 'stdin', handle): |
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823 only_option = 'only one option (shortcut)' |
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824 assert prompt_for_choice([only_option]) == only_option |
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825 # Choice selection by full string match. |
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826 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'foo'): |
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827 assert prompt_for_choice(['foo', 'bar']) == 'foo' |
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828 # Choice selection by substring input. |
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829 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'f'): |
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830 assert prompt_for_choice(['foo', 'bar']) == 'foo' |
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831 # Choice selection by number. |
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832 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: '2'): |
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833 assert prompt_for_choice(['foo', 'bar']) == 'bar' |
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834 # Choice selection by going with the default. |
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835 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''): |
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836 assert prompt_for_choice(['foo', 'bar'], default='bar') == 'bar' |
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837 # Invalid substrings are refused. |
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838 replies = ['', 'q', 'z'] |
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839 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)): |
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840 assert prompt_for_choice(['foo', 'bar', 'baz']) == 'baz' |
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841 # Choice selection by substring input requires an unambiguous substring match. |
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842 replies = ['a', 'q'] |
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843 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)): |
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844 assert prompt_for_choice(['foo', 'bar', 'baz', 'qux']) == 'qux' |
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845 # Invalid numbers are refused. |
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846 replies = ['42', '2'] |
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847 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)): |
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848 assert prompt_for_choice(['foo', 'bar', 'baz']) == 'bar' |
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849 # Test that interactive prompts eventually give up on invalid replies. |
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850 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''): |
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851 with self.assertRaises(TooManyInvalidReplies): |
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852 prompt_for_choice(['a', 'b', 'c']) |
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853 |
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854 def test_prompt_for_confirmation(self): |
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855 """Test :func:`humanfriendly.prompts.prompt_for_confirmation()`.""" |
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856 # Test some (more or less) reasonable replies that indicate agreement. |
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857 for reply in 'yes', 'Yes', 'YES', 'y', 'Y': |
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858 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: reply): |
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859 assert prompt_for_confirmation("Are you sure?") is True |
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860 # Test some (more or less) reasonable replies that indicate disagreement. |
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861 for reply in 'no', 'No', 'NO', 'n', 'N': |
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862 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: reply): |
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863 assert prompt_for_confirmation("Are you sure?") is False |
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864 # Test that empty replies select the default choice. |
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865 for default_choice in True, False: |
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866 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''): |
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867 assert prompt_for_confirmation("Are you sure?", default=default_choice) is default_choice |
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868 # Test that a warning is shown when no input nor a default is given. |
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869 replies = ['', 'y'] |
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870 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: replies.pop(0)): |
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871 with CaptureOutput(merged=True) as capturer: |
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872 assert prompt_for_confirmation("Are you sure?") is True |
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873 assert "there's no default choice" in capturer.get_text() |
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874 # Test that the default reply is shown in uppercase. |
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875 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: 'y'): |
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876 for default_value, expected_text in (True, 'Y/n'), (False, 'y/N'), (None, 'y/n'): |
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877 with CaptureOutput(merged=True) as capturer: |
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878 assert prompt_for_confirmation("Are you sure?", default=default_value) is True |
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|
879 assert expected_text in capturer.get_text() |
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880 # Test that interactive prompts eventually give up on invalid replies. |
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|
881 with PatchedAttribute(prompts, 'interactive_prompt', lambda p: ''): |
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882 with self.assertRaises(TooManyInvalidReplies): |
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883 prompt_for_confirmation("Are you sure?") |
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|
884 |
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885 def test_prompt_for_input(self): |
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886 """Test :func:`humanfriendly.prompts.prompt_for_input()`.""" |
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887 with open(os.devnull) as handle: |
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|
888 with PatchedAttribute(sys, 'stdin', handle): |
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889 # If standard input isn't connected to a terminal the default value should be returned. |
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890 default_value = "To seek the holy grail!" |
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891 assert prompt_for_input("What is your quest?", default=default_value) == default_value |
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892 # If standard input isn't connected to a terminal and no default value |
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893 # is given the EOFError exception should be propagated to the caller. |
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894 with self.assertRaises(EOFError): |
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895 prompt_for_input("What is your favorite color?") |
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896 |
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897 def test_cli(self): |
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898 """Test the command line interface.""" |
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899 # Test that the usage message is printed by default. |
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900 returncode, output = run_cli(main) |
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901 assert 'Usage:' in output |
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902 # Test that the usage message can be requested explicitly. |
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903 returncode, output = run_cli(main, '--help') |
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904 assert 'Usage:' in output |
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905 # Test handling of invalid command line options. |
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906 returncode, output = run_cli(main, '--unsupported-option') |
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907 assert returncode != 0 |
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908 # Test `humanfriendly --format-number'. |
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909 returncode, output = run_cli(main, '--format-number=1234567') |
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910 assert output.strip() == '1,234,567' |
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911 # Test `humanfriendly --format-size'. |
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912 random_byte_count = random.randint(1024, 1024 * 1024) |
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913 returncode, output = run_cli(main, '--format-size=%i' % random_byte_count) |
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914 assert output.strip() == format_size(random_byte_count) |
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915 # Test `humanfriendly --format-size --binary'. |
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916 random_byte_count = random.randint(1024, 1024 * 1024) |
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917 returncode, output = run_cli(main, '--format-size=%i' % random_byte_count, '--binary') |
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918 assert output.strip() == format_size(random_byte_count, binary=True) |
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919 # Test `humanfriendly --format-length'. |
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920 random_len = random.randint(1024, 1024 * 1024) |
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921 returncode, output = run_cli(main, '--format-length=%i' % random_len) |
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922 assert output.strip() == format_length(random_len) |
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923 random_len = float(random_len) / 12345.6 |
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924 returncode, output = run_cli(main, '--format-length=%f' % random_len) |
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925 assert output.strip() == format_length(random_len) |
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926 # Test `humanfriendly --format-table'. |
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927 returncode, output = run_cli(main, '--format-table', '--delimiter=\t', input='1\t2\t3\n4\t5\t6\n7\t8\t9') |
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|
928 assert output.strip() == dedent(''' |
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|
929 ------------- |
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|
930 | 1 | 2 | 3 | |
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|
931 | 4 | 5 | 6 | |
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932 | 7 | 8 | 9 | |
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933 ------------- |
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934 ''').strip() |
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935 # Test `humanfriendly --format-timespan'. |
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936 random_timespan = random.randint(5, 600) |
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937 returncode, output = run_cli(main, '--format-timespan=%i' % random_timespan) |
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938 assert output.strip() == format_timespan(random_timespan) |
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939 # Test `humanfriendly --parse-size'. |
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940 returncode, output = run_cli(main, '--parse-size=5 KB') |
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941 assert int(output) == parse_size('5 KB') |
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942 # Test `humanfriendly --parse-size'. |
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943 returncode, output = run_cli(main, '--parse-size=5 YiB') |
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944 assert int(output) == parse_size('5 YB', binary=True) |
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945 # Test `humanfriendly --parse-length'. |
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946 returncode, output = run_cli(main, '--parse-length=5 km') |
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947 assert int(output) == parse_length('5 km') |
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948 returncode, output = run_cli(main, '--parse-length=1.05 km') |
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949 assert float(output) == parse_length('1.05 km') |
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950 # Test `humanfriendly --run-command'. |
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951 returncode, output = run_cli(main, '--run-command', 'bash', '-c', 'sleep 2 && exit 42') |
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|
952 assert returncode == 42 |
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|
953 # Test `humanfriendly --demo'. The purpose of this test is |
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|
954 # to ensure that the demo runs successfully on all versions |
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|
955 # of Python and outputs the expected sections (recognized by |
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|
956 # their headings) without triggering exceptions. This was |
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|
957 # written as a regression test after issue #28 was reported: |
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|
958 # https://github.com/xolox/python-humanfriendly/issues/28 |
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959 returncode, output = run_cli(main, '--demo') |
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960 assert returncode == 0 |
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961 lines = [ansi_strip(ln) for ln in output.splitlines()] |
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|
962 assert "Text styles:" in lines |
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|
963 assert "Foreground colors:" in lines |
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964 assert "Background colors:" in lines |
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965 assert "256 color mode (standard colors):" in lines |
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966 assert "256 color mode (high-intensity colors):" in lines |
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967 assert "256 color mode (216 colors):" in lines |
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968 assert "256 color mode (gray scale colors):" in lines |
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969 |
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970 def test_ansi_style(self): |
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|
971 """Test :func:`humanfriendly.terminal.ansi_style()`.""" |
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972 assert ansi_style(bold=True) == '%s1%s' % (ANSI_CSI, ANSI_SGR) |
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973 assert ansi_style(faint=True) == '%s2%s' % (ANSI_CSI, ANSI_SGR) |
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974 assert ansi_style(italic=True) == '%s3%s' % (ANSI_CSI, ANSI_SGR) |
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|
975 assert ansi_style(underline=True) == '%s4%s' % (ANSI_CSI, ANSI_SGR) |
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parents:
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|
976 assert ansi_style(inverse=True) == '%s7%s' % (ANSI_CSI, ANSI_SGR) |
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977 assert ansi_style(strike_through=True) == '%s9%s' % (ANSI_CSI, ANSI_SGR) |
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978 assert ansi_style(color='blue') == '%s34%s' % (ANSI_CSI, ANSI_SGR) |
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979 assert ansi_style(background='blue') == '%s44%s' % (ANSI_CSI, ANSI_SGR) |
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980 assert ansi_style(color='blue', bright=True) == '%s94%s' % (ANSI_CSI, ANSI_SGR) |
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981 assert ansi_style(color=214) == '%s38;5;214%s' % (ANSI_CSI, ANSI_SGR) |
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982 assert ansi_style(background=214) == '%s39;5;214%s' % (ANSI_CSI, ANSI_SGR) |
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983 assert ansi_style(color=(0, 0, 0)) == '%s38;2;0;0;0%s' % (ANSI_CSI, ANSI_SGR) |
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984 assert ansi_style(color=(255, 255, 255)) == '%s38;2;255;255;255%s' % (ANSI_CSI, ANSI_SGR) |
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985 assert ansi_style(background=(50, 100, 150)) == '%s48;2;50;100;150%s' % (ANSI_CSI, ANSI_SGR) |
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986 with self.assertRaises(ValueError): |
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987 ansi_style(color='unknown') |
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988 |
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989 def test_ansi_width(self): |
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990 """Test :func:`humanfriendly.terminal.ansi_width()`.""" |
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991 text = "Whatever" |
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992 # Make sure ansi_width() works as expected on strings without ANSI escape sequences. |
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993 assert len(text) == ansi_width(text) |
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994 # Wrap a text in ANSI escape sequences and make sure ansi_width() treats it as expected. |
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995 wrapped = ansi_wrap(text, bold=True) |
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996 # Make sure ansi_wrap() changed the text. |
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997 assert wrapped != text |
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998 # Make sure ansi_wrap() added additional bytes. |
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999 assert len(wrapped) > len(text) |
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1000 # Make sure the result of ansi_width() stays the same. |
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1001 assert len(text) == ansi_width(wrapped) |
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1002 |
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1003 def test_ansi_wrap(self): |
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1004 """Test :func:`humanfriendly.terminal.ansi_wrap()`.""" |
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1005 text = "Whatever" |
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1006 # Make sure ansi_wrap() does nothing when no keyword arguments are given. |
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1007 assert text == ansi_wrap(text) |
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1008 # Make sure ansi_wrap() starts the text with the CSI sequence. |
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1009 assert ansi_wrap(text, bold=True).startswith(ANSI_CSI) |
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1010 # Make sure ansi_wrap() ends the text by resetting the ANSI styles. |
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1011 assert ansi_wrap(text, bold=True).endswith(ANSI_RESET) |
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1012 |
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1013 def test_html_to_ansi(self): |
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1014 """Test the :func:`humanfriendly.terminal.html_to_ansi()` function.""" |
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1015 assert html_to_ansi("Just some plain text") == "Just some plain text" |
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1016 # Hyperlinks. |
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1017 assert html_to_ansi('<a href="https://python.org">python.org</a>') == \ |
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1018 '\x1b[0m\x1b[4;94mpython.org\x1b[0m (\x1b[0m\x1b[4;94mhttps://python.org\x1b[0m)' |
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1019 # Make sure `mailto:' prefixes are stripped (they're not at all useful in a terminal). |
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1020 assert html_to_ansi('<a href="mailto:peter@peterodding.com">peter@peterodding.com</a>') == \ |
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1021 '\x1b[0m\x1b[4;94mpeter@peterodding.com\x1b[0m' |
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1022 # Bold text. |
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1023 assert html_to_ansi("Let's try <b>bold</b>") == "Let's try \x1b[0m\x1b[1mbold\x1b[0m" |
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1024 assert html_to_ansi("Let's try <span style=\"font-weight: bold\">bold</span>") == \ |
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1025 "Let's try \x1b[0m\x1b[1mbold\x1b[0m" |
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1026 # Italic text. |
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1027 assert html_to_ansi("Let's try <i>italic</i>") == \ |
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1028 "Let's try \x1b[0m\x1b[3mitalic\x1b[0m" |
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1029 assert html_to_ansi("Let's try <span style=\"font-style: italic\">italic</span>") == \ |
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1030 "Let's try \x1b[0m\x1b[3mitalic\x1b[0m" |
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1031 # Underlined text. |
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1032 assert html_to_ansi("Let's try <ins>underline</ins>") == \ |
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1033 "Let's try \x1b[0m\x1b[4munderline\x1b[0m" |
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1034 assert html_to_ansi("Let's try <span style=\"text-decoration: underline\">underline</span>") == \ |
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1035 "Let's try \x1b[0m\x1b[4munderline\x1b[0m" |
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1036 # Strike-through text. |
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1037 assert html_to_ansi("Let's try <s>strike-through</s>") == \ |
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1038 "Let's try \x1b[0m\x1b[9mstrike-through\x1b[0m" |
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1039 assert html_to_ansi("Let's try <span style=\"text-decoration: line-through\">strike-through</span>") == \ |
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1040 "Let's try \x1b[0m\x1b[9mstrike-through\x1b[0m" |
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1041 # Pre-formatted text. |
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1042 assert html_to_ansi("Let's try <code>pre-formatted</code>") == \ |
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1043 "Let's try \x1b[0m\x1b[33mpre-formatted\x1b[0m" |
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1044 # Text colors (with a 6 digit hexadecimal color value). |
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1045 assert html_to_ansi("Let's try <span style=\"color: #AABBCC\">text colors</s>") == \ |
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1046 "Let's try \x1b[0m\x1b[38;2;170;187;204mtext colors\x1b[0m" |
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1047 # Background colors (with an rgb(N, N, N) expression). |
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1048 assert html_to_ansi("Let's try <span style=\"background-color: rgb(50, 50, 50)\">background colors</s>") == \ |
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1049 "Let's try \x1b[0m\x1b[48;2;50;50;50mbackground colors\x1b[0m" |
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1050 # Line breaks. |
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1051 assert html_to_ansi("Let's try some<br>line<br>breaks") == \ |
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1052 "Let's try some\nline\nbreaks" |
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1053 # Check that decimal entities are decoded. |
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1054 assert html_to_ansi("&") == "&" |
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1055 # Check that named entities are decoded. |
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1056 assert html_to_ansi("&") == "&" |
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1057 assert html_to_ansi(">") == ">" |
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1058 assert html_to_ansi("<") == "<" |
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1059 # Check that hexadecimal entities are decoded. |
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1060 assert html_to_ansi("&") == "&" |
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1061 # Check that the text callback is actually called. |
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1062 |
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1063 def callback(text): |
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1064 return text.replace(':wink:', ';-)') |
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1065 |
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1066 assert ':wink:' not in html_to_ansi('<b>:wink:</b>', callback=callback) |
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1067 # Check that the text callback doesn't process preformatted text. |
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1068 assert ':wink:' in html_to_ansi('<code>:wink:</code>', callback=callback) |
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1069 # Try a somewhat convoluted but nevertheless real life example from my |
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1070 # personal chat archives that causes humanfriendly releases 4.15 and |
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1071 # 4.15.1 to raise an exception. |
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1072 assert html_to_ansi(u''' |
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1073 Tweakers zit er idd nog steeds:<br><br> |
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1074 peter@peter-work> curl -s <a href="tweakers.net">tweakers.net</a> | grep -i hosting<br> |
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1075 <a href="<a href="http://www.true.nl/webhosting/">http://www.true.nl/webhosting/</a>" |
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1076 rel="external" id="true" title="Hosting door True"></a><br> |
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1077 Hosting door <a href="<a href="http://www.true.nl/vps/">http://www.true.nl/vps/</a>" |
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1078 title="VPS hosting" rel="external">True</a> |
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1079 ''') |
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1080 |
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1081 def test_generate_output(self): |
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1082 """Test the :func:`humanfriendly.terminal.output()` function.""" |
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1083 text = "Standard output generated by output()" |
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1084 with CaptureOutput(merged=False) as capturer: |
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1085 output(text) |
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1086 self.assertEqual([text], capturer.stdout.get_lines()) |
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1087 self.assertEqual([], capturer.stderr.get_lines()) |
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1088 |
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1089 def test_generate_message(self): |
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1090 """Test the :func:`humanfriendly.terminal.message()` function.""" |
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1091 text = "Standard error generated by message()" |
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1092 with CaptureOutput(merged=False) as capturer: |
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1093 message(text) |
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1094 self.assertEqual([], capturer.stdout.get_lines()) |
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1095 self.assertEqual([text], capturer.stderr.get_lines()) |
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1096 |
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1097 def test_generate_warning(self): |
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1098 """Test the :func:`humanfriendly.terminal.warning()` function.""" |
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1099 from capturer import CaptureOutput |
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1100 text = "Standard error generated by warning()" |
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1101 with CaptureOutput(merged=False) as capturer: |
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1102 warning(text) |
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1103 self.assertEqual([], capturer.stdout.get_lines()) |
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1104 self.assertEqual([ansi_wrap(text, color='red')], self.ignore_coverage_warning(capturer.stderr)) |
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1105 |
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1106 def ignore_coverage_warning(self, stream): |
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1107 """ |
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1108 Filter out coverage.py warning from standard error. |
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1109 |
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1110 This is intended to remove the following line from the lines captured |
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1111 on the standard error stream: |
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1112 |
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1113 Coverage.py warning: No data was collected. (no-data-collected) |
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1114 """ |
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1115 return [line for line in stream.get_lines() if 'no-data-collected' not in line] |
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1116 |
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1117 def test_clean_output(self): |
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1118 """Test :func:`humanfriendly.terminal.clean_terminal_output()`.""" |
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1119 # Simple output should pass through unharmed (single line). |
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1120 assert clean_terminal_output('foo') == ['foo'] |
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1121 # Simple output should pass through unharmed (multiple lines). |
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1122 assert clean_terminal_output('foo\nbar') == ['foo', 'bar'] |
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1123 # Carriage returns and preceding substrings are removed. |
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1124 assert clean_terminal_output('foo\rbar\nbaz') == ['bar', 'baz'] |
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1125 # Carriage returns move the cursor to the start of the line without erasing text. |
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1126 assert clean_terminal_output('aaa\rab') == ['aba'] |
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1127 # Backspace moves the cursor one position back without erasing text. |
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1128 assert clean_terminal_output('aaa\b\bb') == ['aba'] |
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1129 # Trailing empty lines should be stripped. |
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1130 assert clean_terminal_output('foo\nbar\nbaz\n\n\n') == ['foo', 'bar', 'baz'] |
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1131 |
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1132 def test_find_terminal_size(self): |
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1133 """Test :func:`humanfriendly.terminal.find_terminal_size()`.""" |
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1134 lines, columns = find_terminal_size() |
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1135 # We really can't assert any minimum or maximum values here because it |
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1136 # simply doesn't make any sense; it's impossible for me to anticipate |
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1137 # on what environments this test suite will run in the future. |
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1138 assert lines > 0 |
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1139 assert columns > 0 |
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1140 # The find_terminal_size_using_ioctl() function is the default |
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1141 # implementation and it will likely work fine. This makes it hard to |
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1142 # test the fall back code paths though. However there's an easy way to |
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1143 # make find_terminal_size_using_ioctl() fail ... |
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1144 saved_stdin = sys.stdin |
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1145 saved_stdout = sys.stdout |
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1146 saved_stderr = sys.stderr |
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1147 try: |
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1148 # What do you mean this is brute force?! ;-) |
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1149 sys.stdin = StringIO() |
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1150 sys.stdout = StringIO() |
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1151 sys.stderr = StringIO() |
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1152 # Now find_terminal_size_using_ioctl() should fail even though |
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1153 # find_terminal_size_using_stty() might work fine. |
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1154 lines, columns = find_terminal_size() |
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1155 assert lines > 0 |
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1156 assert columns > 0 |
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1157 # There's also an ugly way to make `stty size' fail: The |
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1158 # subprocess.Popen class uses os.execvp() underneath, so if we |
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1159 # clear the $PATH it will break. |
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1160 saved_path = os.environ['PATH'] |
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1161 try: |
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1162 os.environ['PATH'] = '' |
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1163 # Now find_terminal_size_using_stty() should fail. |
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1164 lines, columns = find_terminal_size() |
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1165 assert lines > 0 |
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1166 assert columns > 0 |
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1167 finally: |
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1168 os.environ['PATH'] = saved_path |
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1169 finally: |
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1170 sys.stdin = saved_stdin |
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1171 sys.stdout = saved_stdout |
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1172 sys.stderr = saved_stderr |
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1173 |
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1174 def test_terminal_capabilities(self): |
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1175 """Test the functions that check for terminal capabilities.""" |
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1176 from capturer import CaptureOutput |
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1177 for test_stream in connected_to_terminal, terminal_supports_colors: |
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1178 # This test suite should be able to run interactively as well as |
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1179 # non-interactively, so we can't expect or demand that standard streams |
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1180 # will always be connected to a terminal. Fortunately Capturer enables |
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1181 # us to fake it :-). |
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1182 for stream in sys.stdout, sys.stderr: |
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1183 with CaptureOutput(): |
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1184 assert test_stream(stream) |
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1185 # Test something that we know can never be a terminal. |
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1186 with open(os.devnull) as handle: |
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1187 assert not test_stream(handle) |
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1188 # Verify that objects without isatty() don't raise an exception. |
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1189 assert not test_stream(object()) |
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1190 |
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1191 def test_show_pager(self): |
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1192 """Test :func:`humanfriendly.terminal.show_pager()`.""" |
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1193 original_pager = os.environ.get('PAGER', None) |
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1194 try: |
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1195 # We specifically avoid `less' because it would become awkward to |
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1196 # run the test suite in an interactive terminal :-). |
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1197 os.environ['PAGER'] = 'cat' |
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1198 # Generate a significant amount of random text spread over multiple |
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1199 # lines that we expect to be reported literally on the terminal. |
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1200 random_text = "\n".join(random_string(25) for i in range(50)) |
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1201 # Run the pager command and validate the output. |
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1202 with CaptureOutput() as capturer: |
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1203 show_pager(random_text) |
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1204 assert random_text in capturer.get_text() |
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1205 finally: |
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1206 if original_pager is not None: |
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1207 # Restore the original $PAGER value. |
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1208 os.environ['PAGER'] = original_pager |
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1209 else: |
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1210 # Clear the custom $PAGER value. |
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1211 os.environ.pop('PAGER') |
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1212 |
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1213 def test_get_pager_command(self): |
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1214 """Test :func:`humanfriendly.terminal.get_pager_command()`.""" |
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1215 # Make sure --RAW-CONTROL-CHARS isn't used when it's not needed. |
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1216 assert '--RAW-CONTROL-CHARS' not in get_pager_command("Usage message") |
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1217 # Make sure --RAW-CONTROL-CHARS is used when it's needed. |
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1218 assert '--RAW-CONTROL-CHARS' in get_pager_command(ansi_wrap("Usage message", bold=True)) |
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1219 # Make sure that less-specific options are only used when valid. |
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1220 options_specific_to_less = ['--no-init', '--quit-if-one-screen'] |
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1221 for pager in 'cat', 'less': |
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1222 original_pager = os.environ.get('PAGER', None) |
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1223 try: |
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1224 # Set $PAGER to `cat' or `less'. |
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1225 os.environ['PAGER'] = pager |
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1226 # Get the pager command line. |
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1227 command_line = get_pager_command() |
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1228 # Check for less-specific options. |
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1229 if pager == 'less': |
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1230 assert all(opt in command_line for opt in options_specific_to_less) |
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1231 else: |
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1232 assert not any(opt in command_line for opt in options_specific_to_less) |
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1233 finally: |
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1234 if original_pager is not None: |
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1235 # Restore the original $PAGER value. |
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1236 os.environ['PAGER'] = original_pager |
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1237 else: |
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1238 # Clear the custom $PAGER value. |
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1239 os.environ.pop('PAGER') |
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1240 |
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1241 def test_find_meta_variables(self): |
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1242 """Test :func:`humanfriendly.usage.find_meta_variables()`.""" |
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1243 assert sorted(find_meta_variables(""" |
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1244 Here's one example: --format-number=VALUE |
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1245 Here's another example: --format-size=BYTES |
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1246 A final example: --format-timespan=SECONDS |
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1247 This line doesn't contain a META variable. |
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1248 """)) == sorted(['VALUE', 'BYTES', 'SECONDS']) |
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1249 |
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1250 def test_parse_usage_simple(self): |
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1251 """Test :func:`humanfriendly.usage.parse_usage()` (a simple case).""" |
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1252 introduction, options = self.preprocess_parse_result(""" |
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1253 Usage: my-fancy-app [OPTIONS] |
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1254 |
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1255 Boring description. |
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1256 |
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1257 Supported options: |
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1258 |
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1259 -h, --help |
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1260 |
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1261 Show this message and exit. |
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1262 """) |
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1263 # The following fragments are (expected to be) part of the introduction. |
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1264 assert "Usage: my-fancy-app [OPTIONS]" in introduction |
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1265 assert "Boring description." in introduction |
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1266 assert "Supported options:" in introduction |
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1267 # The following fragments are (expected to be) part of the documented options. |
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1268 assert "-h, --help" in options |
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1269 assert "Show this message and exit." in options |
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1270 |
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1271 def test_parse_usage_tricky(self): |
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1272 """Test :func:`humanfriendly.usage.parse_usage()` (a tricky case).""" |
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1273 introduction, options = self.preprocess_parse_result(""" |
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1274 Usage: my-fancy-app [OPTIONS] |
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1275 |
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1276 Here's the introduction to my-fancy-app. Some of the lines in the |
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1277 introduction start with a command line option just to confuse the |
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1278 parsing algorithm :-) |
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1279 |
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1280 For example |
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1281 --an-awesome-option |
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1282 is still part of the introduction. |
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1283 |
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1284 Supported options: |
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1285 |
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1286 -a, --an-awesome-option |
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1287 |
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1288 Explanation why this is an awesome option. |
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1289 |
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1290 -b, --a-boring-option |
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1291 |
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1292 Explanation why this is a boring option. |
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1293 """) |
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1294 # The following fragments are (expected to be) part of the introduction. |
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1295 assert "Usage: my-fancy-app [OPTIONS]" in introduction |
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1296 assert any('still part of the introduction' in p for p in introduction) |
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1297 assert "Supported options:" in introduction |
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1298 # The following fragments are (expected to be) part of the documented options. |
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1299 assert "-a, --an-awesome-option" in options |
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1300 assert "Explanation why this is an awesome option." in options |
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1301 assert "-b, --a-boring-option" in options |
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1302 assert "Explanation why this is a boring option." in options |
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1303 |
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1304 def test_parse_usage_commas(self): |
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1305 """Test :func:`humanfriendly.usage.parse_usage()` against option labels containing commas.""" |
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1306 introduction, options = self.preprocess_parse_result(""" |
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1307 Usage: my-fancy-app [OPTIONS] |
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1308 |
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1309 Some introduction goes here. |
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1310 |
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1311 Supported options: |
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1312 |
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1313 -f, --first-option |
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1314 |
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1315 Explanation of first option. |
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1316 |
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1317 -s, --second-option=WITH,COMMA |
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1318 |
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1319 This should be a separate option's description. |
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1320 """) |
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1321 # The following fragments are (expected to be) part of the introduction. |
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1322 assert "Usage: my-fancy-app [OPTIONS]" in introduction |
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1323 assert "Some introduction goes here." in introduction |
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1324 assert "Supported options:" in introduction |
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1325 # The following fragments are (expected to be) part of the documented options. |
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1326 assert "-f, --first-option" in options |
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1327 assert "Explanation of first option." in options |
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1328 assert "-s, --second-option=WITH,COMMA" in options |
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1329 assert "This should be a separate option's description." in options |
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1330 |
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1331 def preprocess_parse_result(self, text): |
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1332 """Ignore leading/trailing whitespace in usage parsing tests.""" |
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1333 return tuple([p.strip() for p in r] for r in parse_usage(dedent(text))) |
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1334 |
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1335 def test_format_usage(self): |
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1336 """Test :func:`humanfriendly.usage.format_usage()`.""" |
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1337 # Test that options are highlighted. |
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1338 usage_text = "Just one --option" |
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1339 formatted_text = format_usage(usage_text) |
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1340 assert len(formatted_text) > len(usage_text) |
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1341 assert formatted_text.startswith("Just one ") |
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1342 # Test that the "Usage: ..." line is highlighted. |
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1343 usage_text = "Usage: humanfriendly [OPTIONS]" |
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1344 formatted_text = format_usage(usage_text) |
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1345 assert len(formatted_text) > len(usage_text) |
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1346 assert usage_text in formatted_text |
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1347 assert not formatted_text.startswith(usage_text) |
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1348 # Test that meta variables aren't erroneously highlighted. |
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1349 usage_text = ( |
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1350 "--valid-option=VALID_METAVAR\n" |
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1351 "VALID_METAVAR is bogus\n" |
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1352 "INVALID_METAVAR should not be highlighted\n" |
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1353 ) |
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1354 formatted_text = format_usage(usage_text) |
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1355 formatted_lines = formatted_text.splitlines() |
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1356 # Make sure the meta variable in the second line is highlighted. |
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1357 assert ANSI_CSI in formatted_lines[1] |
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1358 # Make sure the meta variable in the third line isn't highlighted. |
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1359 assert ANSI_CSI not in formatted_lines[2] |
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1360 |
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1361 def test_render_usage(self): |
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1362 """Test :func:`humanfriendly.usage.render_usage()`.""" |
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1363 assert render_usage("Usage: some-command WITH ARGS") == "**Usage:** `some-command WITH ARGS`" |
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1364 assert render_usage("Supported options:") == "**Supported options:**" |
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1365 assert 'code-block' in render_usage(dedent(""" |
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1366 Here comes a shell command: |
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1367 |
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1368 $ echo test |
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1369 test |
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1370 """)) |
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1371 assert all(token in render_usage(dedent(""" |
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1372 Supported options: |
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1373 |
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1374 -n, --dry-run |
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1375 |
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1376 Don't change anything. |
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1377 """)) for token in ('`-n`', '`--dry-run`')) |
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1378 |
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1379 def test_deprecated_args(self): |
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1380 """Test the deprecated_args() decorator function.""" |
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1381 @deprecated_args('foo', 'bar') |
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1382 def test_function(**options): |
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1383 assert options['foo'] == 'foo' |
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1384 assert options.get('bar') in (None, 'bar') |
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1385 return 42 |
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1386 fake_fn = MagicMock() |
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1387 with PatchedAttribute(warnings, 'warn', fake_fn): |
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1388 assert test_function('foo', 'bar') == 42 |
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1389 with self.assertRaises(TypeError): |
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1390 test_function('foo', 'bar', 'baz') |
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1391 assert fake_fn.was_called |
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1392 |
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1393 def test_alias_proxy_deprecation_warning(self): |
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1394 """Test that the DeprecationProxy class emits deprecation warnings.""" |
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1395 fake_fn = MagicMock() |
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1396 with PatchedAttribute(warnings, 'warn', fake_fn): |
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1397 module = sys.modules[__name__] |
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1398 aliases = dict(concatenate='humanfriendly.text.concatenate') |
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1399 proxy = DeprecationProxy(module, aliases) |
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1400 assert proxy.concatenate == concatenate |
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1401 assert fake_fn.was_called |
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1402 |
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|
1403 def test_alias_proxy_sphinx_compensation(self): |
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1404 """Test that the DeprecationProxy class emits deprecation warnings.""" |
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1405 with PatchedItem(sys.modules, 'sphinx', types.ModuleType('sphinx')): |
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|
1406 define_aliases(__name__, concatenate='humanfriendly.text.concatenate') |
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1407 assert "concatenate" in dir(sys.modules[__name__]) |
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|
1408 assert "concatenate" in get_aliases(__name__) |
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|
1409 |
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1410 def test_alias_proxy_sphinx_integration(self): |
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1411 """Test that aliases can be injected into generated documentation.""" |
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1412 module = sys.modules[__name__] |
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1413 define_aliases(__name__, concatenate='humanfriendly.text.concatenate') |
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1414 lines = module.__doc__.splitlines() |
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1415 deprecation_note_callback(app=None, what=None, name=None, obj=module, options=None, lines=lines) |
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1416 # Check that something was injected. |
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1417 assert "\n".join(lines) != module.__doc__ |
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1418 |
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1419 def test_sphinx_customizations(self): |
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1420 """Test the :mod:`humanfriendly.sphinx` module.""" |
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|
1421 class FakeApp(object): |
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|
1422 |
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1423 def __init__(self): |
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1424 self.callbacks = {} |
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1425 self.roles = {} |
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1426 |
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1427 def __documented_special_method__(self): |
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1428 """Documented unofficial special method.""" |
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1429 pass |
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1430 |
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1431 def __undocumented_special_method__(self): |
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1432 # Intentionally not documented :-). |
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1433 pass |
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|
1434 |
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1435 def add_role(self, name, callback): |
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1436 self.roles[name] = callback |
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1437 |
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1438 def connect(self, event, callback): |
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|
1439 self.callbacks.setdefault(event, []).append(callback) |
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|
1440 |
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|
1441 def bogus_usage(self): |
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1442 """Usage: This is not supposed to be reformatted!""" |
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1443 pass |
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|
1444 |
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|
1445 # Test event callback registration. |
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|
1446 fake_app = FakeApp() |
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parents:
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|
1447 setup(fake_app) |
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1448 assert man_role == fake_app.roles['man'] |
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1449 assert pypi_role == fake_app.roles['pypi'] |
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1450 assert deprecation_note_callback in fake_app.callbacks['autodoc-process-docstring'] |
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1451 assert special_methods_callback in fake_app.callbacks['autodoc-skip-member'] |
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shellac
parents:
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|
1452 assert usage_message_callback in fake_app.callbacks['autodoc-process-docstring'] |
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shellac
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1453 # Test that `special methods' which are documented aren't skipped. |
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|
1454 assert special_methods_callback( |
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|
1455 app=None, what=None, name=None, |
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|
1456 obj=FakeApp.__documented_special_method__, |
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|
1457 skip=True, options=None, |
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|
1458 ) is False |
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shellac
parents:
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changeset
|
1459 # Test that `special methods' which are undocumented are skipped. |
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|
1460 assert special_methods_callback( |
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|
1461 app=None, what=None, name=None, |
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|
1462 obj=FakeApp.__undocumented_special_method__, |
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|
1463 skip=True, options=None, |
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|
1464 ) is True |
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shellac
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|
1465 # Test formatting of usage messages. obj/lines |
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shellac
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|
1466 from humanfriendly import cli, sphinx |
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|
1467 # We expect the docstring in the `cli' module to be reformatted |
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shellac
parents:
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|
1468 # (because it contains a usage message in the expected format). |
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shellac
parents:
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|
1469 assert self.docstring_is_reformatted(cli) |
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shellac
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|
1470 # We don't expect the docstring in the `sphinx' module to be |
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|
1471 # reformatted (because it doesn't contain a usage message). |
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shellac
parents:
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|
1472 assert not self.docstring_is_reformatted(sphinx) |
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|
1473 # We don't expect the docstring of the following *method* to be |
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|
1474 # reformatted because only *module* docstrings should be reformatted. |
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parents:
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|
1475 assert not self.docstring_is_reformatted(fake_app.bogus_usage) |
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|
1476 |
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|
1477 def docstring_is_reformatted(self, entity): |
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|
1478 """Check whether :func:`.usage_message_callback()` reformats a module's docstring.""" |
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|
1479 lines = trim_empty_lines(entity.__doc__).splitlines() |
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|
1480 saved_lines = list(lines) |
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|
1481 usage_message_callback( |
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|
1482 app=None, what=None, name=None, |
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|
1483 obj=entity, options=None, lines=lines, |
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|
1484 ) |
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|
1485 return lines != saved_lines |
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|
1486 |
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|
1487 |
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|
1488 def normalize_timestamp(value, ndigits=1): |
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1489 """ |
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|
1490 Round timestamps to the given number of digits. |
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|
1491 |
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|
1492 This helps to make the test suite less sensitive to timing issues caused by |
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|
1493 multitasking, processor scheduling, etc. |
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|
1494 """ |
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|
1495 return '%.2f' % round(float(value), ndigits=ndigits) |