mirror of
https://github.com/bunny-lab-io/Borealis.git
synced 2025-07-28 05:58:28 -06:00
Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)
This commit is contained in:
371
Dependencies/Python/Lib/test/test_filecmp.py
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371
Dependencies/Python/Lib/test/test_filecmp.py
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import filecmp
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import os
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import re
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import shutil
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import tempfile
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import unittest
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from test import support
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from test.support import os_helper
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def _create_file_shallow_equal(template_path, new_path):
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"""create a file with the same size and mtime but different content."""
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shutil.copy2(template_path, new_path)
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with open(new_path, 'r+b') as f:
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next_char = bytearray(f.read(1))
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next_char[0] = (next_char[0] + 1) % 256
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f.seek(0)
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f.write(next_char)
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shutil.copystat(template_path, new_path)
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assert os.stat(new_path).st_size == os.stat(template_path).st_size
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assert os.stat(new_path).st_mtime == os.stat(template_path).st_mtime
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class FileCompareTestCase(unittest.TestCase):
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def setUp(self):
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self.name = os_helper.TESTFN
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self.name_same = os_helper.TESTFN + '-same'
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self.name_diff = os_helper.TESTFN + '-diff'
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self.name_same_shallow = os_helper.TESTFN + '-same-shallow'
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data = 'Contents of file go here.\n'
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for name in [self.name, self.name_same, self.name_diff]:
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with open(name, 'w', encoding="utf-8") as output:
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output.write(data)
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with open(self.name_diff, 'a+', encoding="utf-8") as output:
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output.write('An extra line.\n')
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for name in [self.name_same, self.name_diff]:
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shutil.copystat(self.name, name)
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_create_file_shallow_equal(self.name, self.name_same_shallow)
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self.dir = tempfile.gettempdir()
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def tearDown(self):
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os.unlink(self.name)
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os.unlink(self.name_same)
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os.unlink(self.name_diff)
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os.unlink(self.name_same_shallow)
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def test_matching(self):
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self.assertTrue(filecmp.cmp(self.name, self.name),
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"Comparing file to itself fails")
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self.assertTrue(filecmp.cmp(self.name, self.name, shallow=False),
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"Comparing file to itself fails")
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self.assertTrue(filecmp.cmp(self.name, self.name_same),
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"Comparing file to identical file fails")
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self.assertTrue(filecmp.cmp(self.name, self.name_same, shallow=False),
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"Comparing file to identical file fails")
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self.assertTrue(filecmp.cmp(self.name, self.name_same_shallow),
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"Shallow identical files should be considered equal")
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def test_different(self):
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self.assertFalse(filecmp.cmp(self.name, self.name_diff),
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"Mismatched files compare as equal")
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self.assertFalse(filecmp.cmp(self.name, self.dir),
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"File and directory compare as equal")
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self.assertFalse(filecmp.cmp(self.name, self.name_same_shallow,
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shallow=False),
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"Mismatched file to shallow identical file compares as equal")
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def test_cache_clear(self):
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first_compare = filecmp.cmp(self.name, self.name_same, shallow=False)
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second_compare = filecmp.cmp(self.name, self.name_diff, shallow=False)
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filecmp.clear_cache()
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self.assertTrue(len(filecmp._cache) == 0,
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"Cache not cleared after calling clear_cache")
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class DirCompareTestCase(unittest.TestCase):
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def setUp(self):
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tmpdir = tempfile.gettempdir()
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self.dir = os.path.join(tmpdir, 'dir')
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self.dir_same = os.path.join(tmpdir, 'dir-same')
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self.dir_diff = os.path.join(tmpdir, 'dir-diff')
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self.dir_diff_file = os.path.join(tmpdir, 'dir-diff-file')
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self.dir_same_shallow = os.path.join(tmpdir, 'dir-same-shallow')
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# Another dir is created under dir_same, but it has a name from the
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# ignored list so it should not affect testing results.
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self.dir_ignored = os.path.join(self.dir_same, '.hg')
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self.caseinsensitive = os.path.normcase('A') == os.path.normcase('a')
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data = 'Contents of file go here.\n'
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shutil.rmtree(self.dir, True)
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os.mkdir(self.dir)
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subdir_path = os.path.join(self.dir, 'subdir')
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os.mkdir(subdir_path)
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dir_file_path = os.path.join(self.dir, "file")
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with open(dir_file_path, 'w', encoding="utf-8") as output:
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output.write(data)
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for dir in (self.dir_same, self.dir_same_shallow,
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self.dir_diff, self.dir_diff_file):
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shutil.rmtree(dir, True)
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os.mkdir(dir)
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subdir_path = os.path.join(dir, 'subdir')
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os.mkdir(subdir_path)
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if self.caseinsensitive and dir is self.dir_same:
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fn = 'FiLe' # Verify case-insensitive comparison
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else:
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fn = 'file'
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file_path = os.path.join(dir, fn)
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if dir is self.dir_same_shallow:
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_create_file_shallow_equal(dir_file_path, file_path)
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else:
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shutil.copy2(dir_file_path, file_path)
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with open(os.path.join(self.dir_diff, 'file2'), 'w', encoding="utf-8") as output:
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output.write('An extra file.\n')
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# Add different file2 with respect to dir_diff
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with open(os.path.join(self.dir_diff_file, 'file2'), 'w', encoding="utf-8") as output:
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output.write('Different contents.\n')
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def tearDown(self):
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for dir in (self.dir, self.dir_same, self.dir_diff,
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self.dir_same_shallow, self.dir_diff_file):
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shutil.rmtree(dir)
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def test_default_ignores(self):
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self.assertIn('.hg', filecmp.DEFAULT_IGNORES)
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def test_cmpfiles(self):
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self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file']) ==
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(['file'], [], []),
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"Comparing directory to itself fails")
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self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file']) ==
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(['file'], [], []),
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"Comparing directory to same fails")
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# Try it with shallow=False
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self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file'],
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shallow=False) ==
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(['file'], [], []),
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"Comparing directory to itself fails")
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self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file'],
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shallow=False),
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"Comparing directory to same fails")
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self.assertFalse(filecmp.cmpfiles(self.dir, self.dir_diff_file,
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['file', 'file2']) ==
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(['file'], ['file2'], []),
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"Comparing mismatched directories fails")
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def test_cmpfiles_invalid_names(self):
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# See https://github.com/python/cpython/issues/122400.
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for file, desc in [
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('\x00', 'NUL bytes filename'),
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(__file__ + '\x00', 'filename with embedded NUL bytes'),
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("\uD834\uDD1E.py", 'surrogate codes (MUSICAL SYMBOL G CLEF)'),
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('a' * 1_000_000, 'very long filename'),
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]:
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for other_dir in [self.dir, self.dir_same, self.dir_diff]:
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with self.subTest(f'cmpfiles: {desc}', other_dir=other_dir):
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res = filecmp.cmpfiles(self.dir, other_dir, [file])
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self.assertTupleEqual(res, ([], [], [file]))
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def test_dircmp_invalid_names(self):
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for bad_dir, desc in [
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('\x00', 'NUL bytes dirname'),
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(f'Top{os.sep}Mid\x00', 'dirname with embedded NUL bytes'),
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("\uD834\uDD1E", 'surrogate codes (MUSICAL SYMBOL G CLEF)'),
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('a' * 1_000_000, 'very long dirname'),
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]:
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d1 = filecmp.dircmp(self.dir, bad_dir)
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d2 = filecmp.dircmp(bad_dir, self.dir)
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for target in [
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# attributes where os.listdir() raises OSError or ValueError
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'left_list', 'right_list',
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'left_only', 'right_only', 'common',
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]:
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with self.subTest(f'dircmp(ok, bad): {desc}', target=target):
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with self.assertRaises((OSError, ValueError)):
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getattr(d1, target)
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with self.subTest(f'dircmp(bad, ok): {desc}', target=target):
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with self.assertRaises((OSError, ValueError)):
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getattr(d2, target)
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def _assert_lists(self, actual, expected):
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"""Assert that two lists are equal, up to ordering."""
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self.assertEqual(sorted(actual), sorted(expected))
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def test_dircmp_identical_directories(self):
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self._assert_dircmp_identical_directories()
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self._assert_dircmp_identical_directories(shallow=False)
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def test_dircmp_different_file(self):
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self._assert_dircmp_different_file()
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self._assert_dircmp_different_file(shallow=False)
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def test_dircmp_different_directories(self):
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self._assert_dircmp_different_directories()
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self._assert_dircmp_different_directories(shallow=False)
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def _assert_dircmp_identical_directories(self, **options):
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# Check attributes for comparison of two identical directories
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left_dir, right_dir = self.dir, self.dir_same
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d = filecmp.dircmp(left_dir, right_dir, **options)
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self.assertEqual(d.left, left_dir)
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self.assertEqual(d.right, right_dir)
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if self.caseinsensitive:
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self._assert_lists(d.left_list, ['file', 'subdir'])
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self._assert_lists(d.right_list, ['FiLe', 'subdir'])
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else:
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self._assert_lists(d.left_list, ['file', 'subdir'])
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self._assert_lists(d.right_list, ['file', 'subdir'])
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self._assert_lists(d.common, ['file', 'subdir'])
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self._assert_lists(d.common_dirs, ['subdir'])
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self.assertEqual(d.left_only, [])
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self.assertEqual(d.right_only, [])
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, [])
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_same),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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def _assert_dircmp_different_directories(self, **options):
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# Check attributes for comparison of two different directories (right)
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left_dir, right_dir = self.dir, self.dir_diff
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d = filecmp.dircmp(left_dir, right_dir, **options)
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self.assertEqual(d.left, left_dir)
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self.assertEqual(d.right, right_dir)
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self._assert_lists(d.left_list, ['file', 'subdir'])
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self._assert_lists(d.right_list, ['file', 'file2', 'subdir'])
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self._assert_lists(d.common, ['file', 'subdir'])
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self._assert_lists(d.common_dirs, ['subdir'])
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self.assertEqual(d.left_only, [])
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self.assertEqual(d.right_only, ['file2'])
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, [])
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_diff),
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"Only in {} : ['file2']".format(self.dir_diff),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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# Check attributes for comparison of two different directories (left)
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left_dir, right_dir = self.dir_diff, self.dir
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d = filecmp.dircmp(left_dir, right_dir, **options)
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self.assertEqual(d.left, left_dir)
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self.assertEqual(d.right, right_dir)
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self._assert_lists(d.left_list, ['file', 'file2', 'subdir'])
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self._assert_lists(d.right_list, ['file', 'subdir'])
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self._assert_lists(d.common, ['file', 'subdir'])
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self.assertEqual(d.left_only, ['file2'])
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self.assertEqual(d.right_only, [])
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, [])
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expected_report = [
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"diff {} {}".format(self.dir_diff, self.dir),
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"Only in {} : ['file2']".format(self.dir_diff),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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def _assert_dircmp_different_file(self, **options):
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# A different file2
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d = filecmp.dircmp(self.dir_diff, self.dir_diff_file, **options)
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, ['file2'])
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expected_report = [
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"diff {} {}".format(self.dir_diff, self.dir_diff_file),
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"Identical files : ['file']",
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"Differing files : ['file2']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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def test_dircmp_no_shallow_different_file(self):
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# A non shallow different file2
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d = filecmp.dircmp(self.dir, self.dir_same_shallow, shallow=False)
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self.assertEqual(d.same_files, [])
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self.assertEqual(d.diff_files, ['file'])
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_same_shallow),
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"Differing files : ['file']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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def test_dircmp_shallow_same_file(self):
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# A non shallow different file2
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d = filecmp.dircmp(self.dir, self.dir_same_shallow)
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, [])
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_same_shallow),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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]
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self._assert_report(d.report, expected_report)
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def test_dircmp_shallow_is_keyword_only(self):
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with self.assertRaisesRegex(
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TypeError,
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re.escape("dircmp.__init__() takes from 3 to 5 positional arguments but 6 were given"),
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):
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filecmp.dircmp(self.dir, self.dir_same, None, None, True)
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self.assertIsInstance(
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filecmp.dircmp(self.dir, self.dir_same, None, None, shallow=True),
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filecmp.dircmp,
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)
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def test_dircmp_subdirs_type(self):
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"""Check that dircmp.subdirs respects subclassing."""
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class MyDirCmp(filecmp.dircmp):
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pass
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d = MyDirCmp(self.dir, self.dir_diff)
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sub_dirs = d.subdirs
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self.assertEqual(list(sub_dirs.keys()), ['subdir'])
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sub_dcmp = sub_dirs['subdir']
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self.assertEqual(type(sub_dcmp), MyDirCmp)
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def test_report_partial_closure(self):
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left_dir, right_dir = self.dir, self.dir_same
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d = filecmp.dircmp(left_dir, right_dir)
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left_subdir = os.path.join(left_dir, 'subdir')
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right_subdir = os.path.join(right_dir, 'subdir')
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_same),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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'',
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"diff {} {}".format(left_subdir, right_subdir),
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]
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self._assert_report(d.report_partial_closure, expected_report)
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def test_report_full_closure(self):
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left_dir, right_dir = self.dir, self.dir_same
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d = filecmp.dircmp(left_dir, right_dir)
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left_subdir = os.path.join(left_dir, 'subdir')
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right_subdir = os.path.join(right_dir, 'subdir')
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expected_report = [
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"diff {} {}".format(self.dir, self.dir_same),
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"Identical files : ['file']",
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"Common subdirectories : ['subdir']",
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'',
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"diff {} {}".format(left_subdir, right_subdir),
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]
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self._assert_report(d.report_full_closure, expected_report)
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def _assert_report(self, dircmp_report, expected_report_lines):
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with support.captured_stdout() as stdout:
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dircmp_report()
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report_lines = stdout.getvalue().strip().split('\n')
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self.assertEqual(report_lines, expected_report_lines)
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if __name__ == "__main__":
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unittest.main()
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