test_glob.py 6.8 KB

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  1. import glob
  2. import os
  3. import shutil
  4. import sys
  5. import unittest
  6. from test.test_support import run_unittest, TESTFN
  7. def fsdecode(s):
  8. return unicode(s, sys.getfilesystemencoding())
  9. class GlobTests(unittest.TestCase):
  10. def norm(self, *parts):
  11. return os.path.normpath(os.path.join(self.tempdir, *parts))
  12. def mktemp(self, *parts):
  13. filename = self.norm(*parts)
  14. base, file = os.path.split(filename)
  15. if not os.path.exists(base):
  16. os.makedirs(base)
  17. f = open(filename, 'w')
  18. f.close()
  19. def setUp(self):
  20. self.tempdir = TESTFN + "_dir"
  21. self.mktemp('a', 'D')
  22. self.mktemp('aab', 'F')
  23. self.mktemp('.aa', 'G')
  24. self.mktemp('.bb', 'H')
  25. self.mktemp('aaa', 'zzzF')
  26. self.mktemp('ZZZ')
  27. self.mktemp('a', 'bcd', 'EF')
  28. self.mktemp('a', 'bcd', 'efg', 'ha')
  29. if hasattr(os, 'symlink'):
  30. os.symlink(self.norm('broken'), self.norm('sym1'))
  31. os.symlink('broken', self.norm('sym2'))
  32. os.symlink(os.path.join('a', 'bcd'), self.norm('sym3'))
  33. def tearDown(self):
  34. shutil.rmtree(self.tempdir)
  35. def glob(self, *parts):
  36. if len(parts) == 1:
  37. pattern = parts[0]
  38. else:
  39. pattern = os.path.join(*parts)
  40. p = os.path.join(self.tempdir, pattern)
  41. res = glob.glob(p)
  42. self.assertEqual(list(glob.iglob(p)), res)
  43. ures = [fsdecode(x) for x in res]
  44. self.assertEqual(glob.glob(fsdecode(p)), ures)
  45. self.assertEqual(list(glob.iglob(fsdecode(p))), ures)
  46. return res
  47. def assertSequencesEqual_noorder(self, l1, l2):
  48. l1 = list(l1)
  49. l2 = list(l2)
  50. self.assertEqual(set(l1), set(l2))
  51. self.assertEqual(sorted(l1), sorted(l2))
  52. def test_glob_literal(self):
  53. eq = self.assertSequencesEqual_noorder
  54. eq(self.glob('a'), [self.norm('a')])
  55. eq(self.glob('a', 'D'), [self.norm('a', 'D')])
  56. eq(self.glob('aab'), [self.norm('aab')])
  57. eq(self.glob('zymurgy'), [])
  58. res = glob.glob('*')
  59. self.assertEqual({type(r) for r in res}, {str})
  60. res = glob.glob(os.path.join(os.curdir, '*'))
  61. self.assertEqual({type(r) for r in res}, {str})
  62. # test return types are unicode, but only if os.listdir
  63. # returns unicode filenames
  64. tmp = os.listdir(fsdecode(os.curdir))
  65. if {type(x) for x in tmp} == {unicode}:
  66. res = glob.glob(u'*')
  67. self.assertEqual({type(r) for r in res}, {unicode})
  68. res = glob.glob(os.path.join(fsdecode(os.curdir), u'*'))
  69. self.assertEqual({type(r) for r in res}, {unicode})
  70. def test_glob_one_directory(self):
  71. eq = self.assertSequencesEqual_noorder
  72. eq(self.glob('a*'), map(self.norm, ['a', 'aab', 'aaa']))
  73. eq(self.glob('*a'), map(self.norm, ['a', 'aaa']))
  74. eq(self.glob('.*'), map(self.norm, ['.aa', '.bb']))
  75. eq(self.glob('?aa'), map(self.norm, ['aaa']))
  76. eq(self.glob('aa?'), map(self.norm, ['aaa', 'aab']))
  77. eq(self.glob('aa[ab]'), map(self.norm, ['aaa', 'aab']))
  78. eq(self.glob('*q'), [])
  79. def test_glob_nested_directory(self):
  80. eq = self.assertSequencesEqual_noorder
  81. if os.path.normcase("abCD") == "abCD":
  82. # case-sensitive filesystem
  83. eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF')])
  84. else:
  85. # case insensitive filesystem
  86. eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF'),
  87. self.norm('a', 'bcd', 'efg')])
  88. eq(self.glob('a', 'bcd', '*g'), [self.norm('a', 'bcd', 'efg')])
  89. def test_glob_directory_names(self):
  90. eq = self.assertSequencesEqual_noorder
  91. eq(self.glob('*', 'D'), [self.norm('a', 'D')])
  92. eq(self.glob('*', '*a'), [])
  93. eq(self.glob('a', '*', '*', '*a'),
  94. [self.norm('a', 'bcd', 'efg', 'ha')])
  95. eq(self.glob('?a?', '*F'), [self.norm('aaa', 'zzzF'),
  96. self.norm('aab', 'F')])
  97. def test_glob_directory_with_trailing_slash(self):
  98. # Patterns ending with a slash shouldn't match non-dirs
  99. res = glob.glob(self.norm('Z*Z') + os.sep)
  100. self.assertEqual(res, [])
  101. res = glob.glob(self.norm('ZZZ') + os.sep)
  102. self.assertEqual(res, [])
  103. # When there is a wildcard pattern which ends with os.sep, glob()
  104. # doesn't blow up.
  105. res = glob.glob(self.norm('aa*') + os.sep)
  106. self.assertEqual(len(res), 2)
  107. # either of these results is reasonable
  108. self.assertIn(set(res), [
  109. {self.norm('aaa'), self.norm('aab')},
  110. {self.norm('aaa') + os.sep, self.norm('aab') + os.sep},
  111. ])
  112. def test_glob_unicode_directory_with_trailing_slash(self):
  113. # Same as test_glob_directory_with_trailing_slash, but with an
  114. # unicode argument.
  115. res = glob.glob(fsdecode(self.norm('Z*Z') + os.sep))
  116. self.assertEqual(res, [])
  117. res = glob.glob(fsdecode(self.norm('ZZZ') + os.sep))
  118. self.assertEqual(res, [])
  119. res = glob.glob(fsdecode(self.norm('aa*') + os.sep))
  120. self.assertEqual(len(res), 2)
  121. # either of these results is reasonable
  122. self.assertIn(set(res), [
  123. {fsdecode(self.norm('aaa')), fsdecode(self.norm('aab'))},
  124. {fsdecode(self.norm('aaa') + os.sep),
  125. fsdecode(self.norm('aab') + os.sep)},
  126. ])
  127. @unittest.skipUnless(hasattr(os, 'symlink'), "Requires symlink support")
  128. def test_glob_symlinks(self):
  129. eq = self.assertSequencesEqual_noorder
  130. eq(self.glob('sym3'), [self.norm('sym3')])
  131. eq(self.glob('sym3', '*'), [self.norm('sym3', 'EF'),
  132. self.norm('sym3', 'efg')])
  133. self.assertIn(self.glob('sym3' + os.sep),
  134. [[self.norm('sym3')], [self.norm('sym3') + os.sep]])
  135. eq(self.glob('*', '*F'),
  136. [self.norm('aaa', 'zzzF'), self.norm('aab', 'F'),
  137. self.norm('sym3', 'EF')])
  138. @unittest.skipUnless(hasattr(os, 'symlink'), "Requires symlink support")
  139. def test_glob_broken_symlinks(self):
  140. eq = self.assertSequencesEqual_noorder
  141. eq(self.glob('sym*'), [self.norm('sym1'), self.norm('sym2'),
  142. self.norm('sym3')])
  143. eq(self.glob('sym1'), [self.norm('sym1')])
  144. eq(self.glob('sym2'), [self.norm('sym2')])
  145. @unittest.skipUnless(sys.platform == "win32", "Win32 specific test")
  146. def test_glob_magic_in_drive(self):
  147. eq = self.assertSequencesEqual_noorder
  148. eq(glob.glob('*:'), [])
  149. eq(glob.glob(u'*:'), [])
  150. eq(glob.glob('?:'), [])
  151. eq(glob.glob(u'?:'), [])
  152. def test_main():
  153. run_unittest(GlobTests)
  154. if __name__ == "__main__":
  155. test_main()