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annotate tests/test_match.py @ 297:141a3aa0b403

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First version of converting a glob-style pattern to a regex
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 04 Mar 2025 01:52:18 +0100
parents ca293f708cb4
children 16a5c337fcb9
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1 # -*- coding: utf-8 -*-
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2 r"""Unit tests for :mod:`cutils.util.glob`
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3
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4 """
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5
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6 from __future__ import absolute_import, print_function
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7
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8 import _test_setup # noqa: F401 imported but unused
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9
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10 import sys
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11 import unittest
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12
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13 from cutils.util import PY2
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14 from cutils.util.glob import CharIter, glob_to_regexp
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15
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16
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17 class TestCharIter(unittest.TestCase):
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18
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19 def test_transitive_iter(self):
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20 it = CharIter("1234")
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21 self.assertIs(iter(it), it)
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22
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23 def test_native_str(self):
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24 it = CharIter("1234")
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25 chars = []
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26 for c in it:
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27 chars.append(c)
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28 self.assertEqual("1234", "".join(chars))
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29
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30 def test_unicode_str(self):
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31 it = CharIter(u"1234")
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32 chars = []
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33 for c in it:
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34 chars.append(c)
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35 self.assertEqual(u"1234", "".join(chars))
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36
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37 def test_byte_str(self):
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38 it = CharIter(b"1234")
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39 chars = []
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40 for c in it:
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41 chars.append(c)
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42 self.assertEqual(b"1234", b"".join(chars))
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43
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44 def test_peek_exhausted(self):
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45 it = CharIter("1234")
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46 for _ in it:
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47 pass
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48 self.assertIsNone(it.peek())
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49
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50 def test_peek_first(self):
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51 it = CharIter("1234")
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52 self.assertEqual("1", it.peek())
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53 chars = "".join(it)
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54 self.assertEqual("1234", chars)
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55 self.assertIsNone(it.peek())
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56
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57 def test_peek_from_second(self):
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58 it = CharIter("1234")
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59 self.assertEqual("1", it.peek())
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60 self.assertEqual("1", next(it))
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61 self.assertEqual("2", it.peek())
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62 chars = "".join(it)
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63 self.assertEqual("234", chars)
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64 self.assertIsNone(it.peek())
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65
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66
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67 class TestGlobToRegexp(unittest.TestCase):
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68
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69 def test_empty(self):
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70 self.assertEqual("", glob_to_regexp(""))
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71
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72 def test_question_mark(self):
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73 self.assertEqual(".", glob_to_regexp("?"))
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74
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75 def test_single_star(self):
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76 self.assertEqual("[^/]*", glob_to_regexp("*"))
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77
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78 def test_double_star(self):
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79 self.assertEqual(".*", glob_to_regexp("**"))
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80
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81 def test_double_star_slash(self):
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82 self.assertEqual("(?:.*/)?", glob_to_regexp("**/"))
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83
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84 def test_double_star_in_between(self):
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85 if PY2:
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86 # Python 2 escapes all alnum characters in re.escape()
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87 self.assertEqual("part1\\/(?:.*/)?part2",
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88 glob_to_regexp("part1/**/part2"))
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89 else:
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90
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91 self.assertEqual("part1/(?:.*/)?part2",
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92 glob_to_regexp("part1/**/part2"))
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93
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94 def test_double_start_in_between2(self):
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95 if PY2:
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96 # Python 2 escapes all alnum characters in re.escape()
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97 self.assertEqual("part1\\/.*\\.py", glob_to_regexp("part1/**.py"))
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98 else:
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99 self.assertEqual("part1/.*\\.py", glob_to_regexp("part1/**.py"))
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100
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101 def test_bracket_simple(self):
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102 self.assertEqual("[abc]", glob_to_regexp("[abc]"))
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103
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104 def test_bracket_simple_range(self):
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105 self.assertEqual("[a-c]", glob_to_regexp("[a-c]"))
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106
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107 def test_bracket_with_special_chars(self):
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108 self.assertEqual("[x*?!^]", glob_to_regexp("[x*?!^]"))
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109
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110 def test_bracket_simple_range_with_escape(self):
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111 self.assertEqual("[\\\\-c]", glob_to_regexp("[\\-c]"))
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112
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113 def test_bracket_not_closed(self):
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114 self.assertEqual("\\[a", glob_to_regexp("[a"))
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115
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116 def test_bracket_not_closed_escapes(self):
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117 self.assertEqual("\\[a\\*\\?", glob_to_regexp("[a*?"))
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118
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119 def test_bracket_with_dash_as_first_character(self):
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120 self.assertEqual("[\\-a]", glob_to_regexp("[-a]"))
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121
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122 def test_bracket_with_dash_as_last_character(self):
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123 self.assertEqual("[a\\-]", glob_to_regexp("[a-]"))
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124
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125 def test_bracket_with_closing_bracket(self):
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126 self.assertEqual("[\\]a]", glob_to_regexp("[]a]"))
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127
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128 def test_bracket_with_caret_as_first_character(self):
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129 self.assertEqual("[\\^a]", glob_to_regexp("[^a]"))
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130
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131 def test_bracket_negating_with_dash_as_first_character(self):
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132 self.assertEqual("[^\\-a]", glob_to_regexp("[!-a]"))
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133
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134 def test_bracket_negating_with_dash_as_last_character(self):
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135 self.assertEqual("[^a\\-]", glob_to_regexp("[!a-]"))
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136
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137 def test_bracket_negating_with_closing_bracket(self):
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138 self.assertEqual("[^\\]a]", glob_to_regexp("[!]a]"))
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139
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140 def test_bracket_negating_with_caret_as_first_character(self):
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141 self.assertEqual("[^^a]", glob_to_regexp("[!^a]"))
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142
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143 def test_simple_escapes(self):
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144 for c in "\\()[]{}*.?":
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145 self.assertEqual("\\"+c, glob_to_regexp("\\"+c))
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146
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147 def test_simple_escapes_last_backslash(self):
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148 self.assertEqual("\\\\", glob_to_regexp("\\"))
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149
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150 def test_auto_escapes(self):
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151 for c in "*.?":
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152 self.assertEqual("\\"+c, glob_to_regexp("\\"+c))
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153
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154 def test_group_simple(self):
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155 self.assertEqual("(?:abc|def)", glob_to_regexp("{abc,def}"))
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156
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157 def test_group_complex_nested(self):
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158 self.assertEqual("(?:abc|(?:[ABQ-Z]|[^A][^/]*))",
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159 glob_to_regexp("{abc,{[ABQ-Z],[!A]*}}"))
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160
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161
296
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162 if __name__ == "__main__":
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163 sys.exit(unittest.main())