test_dir_util.py 4.4 KB

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  1. """Tests for distutils.dir_util."""
  2. import os
  3. import pathlib
  4. import stat
  5. import sys
  6. import unittest.mock as mock
  7. from distutils import dir_util, errors
  8. from distutils.dir_util import (
  9. copy_tree,
  10. create_tree,
  11. ensure_relative,
  12. mkpath,
  13. remove_tree,
  14. )
  15. from distutils.tests import support
  16. import jaraco.path
  17. import path
  18. import pytest
  19. @pytest.fixture(autouse=True)
  20. def stuff(request, monkeypatch, distutils_managed_tempdir):
  21. self = request.instance
  22. tmp_dir = self.mkdtemp()
  23. self.root_target = os.path.join(tmp_dir, 'deep')
  24. self.target = os.path.join(self.root_target, 'here')
  25. self.target2 = os.path.join(tmp_dir, 'deep2')
  26. class TestDirUtil(support.TempdirManager):
  27. def test_mkpath_remove_tree_verbosity(self, caplog):
  28. mkpath(self.target, verbose=False)
  29. assert not caplog.records
  30. remove_tree(self.root_target, verbose=False)
  31. mkpath(self.target, verbose=True)
  32. wanted = [f'creating {self.target}']
  33. assert caplog.messages == wanted
  34. caplog.clear()
  35. remove_tree(self.root_target, verbose=True)
  36. wanted = [f"removing '{self.root_target}' (and everything under it)"]
  37. assert caplog.messages == wanted
  38. @pytest.mark.skipif("platform.system() == 'Windows'")
  39. def test_mkpath_with_custom_mode(self):
  40. # Get and set the current umask value for testing mode bits.
  41. umask = os.umask(0o002)
  42. os.umask(umask)
  43. mkpath(self.target, 0o700)
  44. assert stat.S_IMODE(os.stat(self.target).st_mode) == 0o700 & ~umask
  45. mkpath(self.target2, 0o555)
  46. assert stat.S_IMODE(os.stat(self.target2).st_mode) == 0o555 & ~umask
  47. def test_create_tree_verbosity(self, caplog):
  48. create_tree(self.root_target, ['one', 'two', 'three'], verbose=False)
  49. assert caplog.messages == []
  50. remove_tree(self.root_target, verbose=False)
  51. wanted = [f'creating {self.root_target}']
  52. create_tree(self.root_target, ['one', 'two', 'three'], verbose=True)
  53. assert caplog.messages == wanted
  54. remove_tree(self.root_target, verbose=False)
  55. def test_copy_tree_verbosity(self, caplog):
  56. mkpath(self.target, verbose=False)
  57. copy_tree(self.target, self.target2, verbose=False)
  58. assert caplog.messages == []
  59. remove_tree(self.root_target, verbose=False)
  60. mkpath(self.target, verbose=False)
  61. a_file = path.Path(self.target) / 'ok.txt'
  62. jaraco.path.build({'ok.txt': 'some content'}, self.target)
  63. wanted = [f'copying {a_file} -> {self.target2}']
  64. copy_tree(self.target, self.target2, verbose=True)
  65. assert caplog.messages == wanted
  66. remove_tree(self.root_target, verbose=False)
  67. remove_tree(self.target2, verbose=False)
  68. def test_copy_tree_skips_nfs_temp_files(self):
  69. mkpath(self.target, verbose=False)
  70. jaraco.path.build({'ok.txt': 'some content', '.nfs123abc': ''}, self.target)
  71. copy_tree(self.target, self.target2)
  72. assert os.listdir(self.target2) == ['ok.txt']
  73. remove_tree(self.root_target, verbose=False)
  74. remove_tree(self.target2, verbose=False)
  75. def test_ensure_relative(self):
  76. if os.sep == '/':
  77. assert ensure_relative('/home/foo') == 'home/foo'
  78. assert ensure_relative('some/path') == 'some/path'
  79. else: # \\
  80. assert ensure_relative('c:\\home\\foo') == 'c:home\\foo'
  81. assert ensure_relative('home\\foo') == 'home\\foo'
  82. def test_copy_tree_exception_in_listdir(self):
  83. """
  84. An exception in listdir should raise a DistutilsFileError
  85. """
  86. with (
  87. mock.patch("os.listdir", side_effect=OSError()),
  88. pytest.raises(errors.DistutilsFileError),
  89. ):
  90. src = self.tempdirs[-1]
  91. dir_util.copy_tree(src, None)
  92. def test_mkpath_exception_uncached(self, monkeypatch, tmp_path):
  93. """
  94. Caching should not remember failed attempts.
  95. pypa/distutils#304
  96. """
  97. class FailPath(pathlib.Path):
  98. def mkdir(self, *args, **kwargs):
  99. raise OSError("Failed to create directory")
  100. if sys.version_info < (3, 12):
  101. _flavour = pathlib.Path()._flavour
  102. target = tmp_path / 'foodir'
  103. with pytest.raises(errors.DistutilsFileError):
  104. mkpath(FailPath(target))
  105. assert not target.exists()
  106. mkpath(target)
  107. assert target.exists()