| 1 | n/a | import filecmp |
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| 2 | n/a | import os |
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| 3 | n/a | import shutil |
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| 4 | n/a | import tempfile |
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| 5 | n/a | import unittest |
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| 6 | n/a | |
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| 7 | n/a | from test import support |
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| 8 | n/a | |
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| 9 | n/a | |
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| 10 | n/a | class FileCompareTestCase(unittest.TestCase): |
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| 11 | n/a | def setUp(self): |
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| 12 | n/a | self.name = support.TESTFN |
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| 13 | n/a | self.name_same = support.TESTFN + '-same' |
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| 14 | n/a | self.name_diff = support.TESTFN + '-diff' |
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| 15 | n/a | data = 'Contents of file go here.\n' |
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| 16 | n/a | for name in [self.name, self.name_same, self.name_diff]: |
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| 17 | n/a | with open(name, 'w') as output: |
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| 18 | n/a | output.write(data) |
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| 19 | n/a | |
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| 20 | n/a | with open(self.name_diff, 'a+') as output: |
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| 21 | n/a | output.write('An extra line.\n') |
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| 22 | n/a | self.dir = tempfile.gettempdir() |
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| 23 | n/a | |
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| 24 | n/a | def tearDown(self): |
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| 25 | n/a | os.unlink(self.name) |
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| 26 | n/a | os.unlink(self.name_same) |
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| 27 | n/a | os.unlink(self.name_diff) |
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| 28 | n/a | |
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| 29 | n/a | def test_matching(self): |
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| 30 | n/a | self.assertTrue(filecmp.cmp(self.name, self.name), |
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| 31 | n/a | "Comparing file to itself fails") |
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| 32 | n/a | self.assertTrue(filecmp.cmp(self.name, self.name, shallow=False), |
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| 33 | n/a | "Comparing file to itself fails") |
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| 34 | n/a | self.assertTrue(filecmp.cmp(self.name, self.name_same), |
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| 35 | n/a | "Comparing file to identical file fails") |
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| 36 | n/a | self.assertTrue(filecmp.cmp(self.name, self.name_same, shallow=False), |
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| 37 | n/a | "Comparing file to identical file fails") |
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| 38 | n/a | |
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| 39 | n/a | def test_different(self): |
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| 40 | n/a | self.assertFalse(filecmp.cmp(self.name, self.name_diff), |
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| 41 | n/a | "Mismatched files compare as equal") |
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| 42 | n/a | self.assertFalse(filecmp.cmp(self.name, self.dir), |
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| 43 | n/a | "File and directory compare as equal") |
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| 44 | n/a | |
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| 45 | n/a | def test_cache_clear(self): |
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| 46 | n/a | first_compare = filecmp.cmp(self.name, self.name_same, shallow=False) |
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| 47 | n/a | second_compare = filecmp.cmp(self.name, self.name_diff, shallow=False) |
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| 48 | n/a | filecmp.clear_cache() |
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| 49 | n/a | self.assertTrue(len(filecmp._cache) == 0, |
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| 50 | n/a | "Cache not cleared after calling clear_cache") |
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| 51 | n/a | |
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| 52 | n/a | class DirCompareTestCase(unittest.TestCase): |
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| 53 | n/a | def setUp(self): |
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| 54 | n/a | tmpdir = tempfile.gettempdir() |
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| 55 | n/a | self.dir = os.path.join(tmpdir, 'dir') |
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| 56 | n/a | self.dir_same = os.path.join(tmpdir, 'dir-same') |
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| 57 | n/a | self.dir_diff = os.path.join(tmpdir, 'dir-diff') |
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| 58 | n/a | |
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| 59 | n/a | # Another dir is created under dir_same, but it has a name from the |
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| 60 | n/a | # ignored list so it should not affect testing results. |
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| 61 | n/a | self.dir_ignored = os.path.join(self.dir_same, '.hg') |
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| 62 | n/a | |
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| 63 | n/a | self.caseinsensitive = os.path.normcase('A') == os.path.normcase('a') |
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| 64 | n/a | data = 'Contents of file go here.\n' |
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| 65 | n/a | for dir in (self.dir, self.dir_same, self.dir_diff, self.dir_ignored): |
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| 66 | n/a | shutil.rmtree(dir, True) |
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| 67 | n/a | os.mkdir(dir) |
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| 68 | n/a | if self.caseinsensitive and dir is self.dir_same: |
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| 69 | n/a | fn = 'FiLe' # Verify case-insensitive comparison |
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| 70 | n/a | else: |
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| 71 | n/a | fn = 'file' |
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| 72 | n/a | with open(os.path.join(dir, fn), 'w') as output: |
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| 73 | n/a | output.write(data) |
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| 74 | n/a | |
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| 75 | n/a | with open(os.path.join(self.dir_diff, 'file2'), 'w') as output: |
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| 76 | n/a | output.write('An extra file.\n') |
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| 77 | n/a | |
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| 78 | n/a | def tearDown(self): |
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| 79 | n/a | for dir in (self.dir, self.dir_same, self.dir_diff): |
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| 80 | n/a | shutil.rmtree(dir) |
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| 81 | n/a | |
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| 82 | n/a | def test_default_ignores(self): |
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| 83 | n/a | self.assertIn('.hg', filecmp.DEFAULT_IGNORES) |
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| 84 | n/a | |
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| 85 | n/a | def test_cmpfiles(self): |
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| 86 | n/a | self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file']) == |
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| 87 | n/a | (['file'], [], []), |
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| 88 | n/a | "Comparing directory to itself fails") |
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| 89 | n/a | self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file']) == |
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| 90 | n/a | (['file'], [], []), |
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| 91 | n/a | "Comparing directory to same fails") |
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| 92 | n/a | |
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| 93 | n/a | # Try it with shallow=False |
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| 94 | n/a | self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file'], |
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| 95 | n/a | shallow=False) == |
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| 96 | n/a | (['file'], [], []), |
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| 97 | n/a | "Comparing directory to itself fails") |
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| 98 | n/a | self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file'], |
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| 99 | n/a | shallow=False), |
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| 100 | n/a | "Comparing directory to same fails") |
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| 101 | n/a | |
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| 102 | n/a | # Add different file2 |
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| 103 | n/a | with open(os.path.join(self.dir, 'file2'), 'w') as output: |
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| 104 | n/a | output.write('Different contents.\n') |
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| 105 | n/a | |
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| 106 | n/a | self.assertFalse(filecmp.cmpfiles(self.dir, self.dir_same, |
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| 107 | n/a | ['file', 'file2']) == |
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| 108 | n/a | (['file'], ['file2'], []), |
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| 109 | n/a | "Comparing mismatched directories fails") |
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| 110 | n/a | |
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| 111 | n/a | |
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| 112 | n/a | def test_dircmp(self): |
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| 113 | n/a | # Check attributes for comparison of two identical directories |
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| 114 | n/a | left_dir, right_dir = self.dir, self.dir_same |
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| 115 | n/a | d = filecmp.dircmp(left_dir, right_dir) |
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| 116 | n/a | self.assertEqual(d.left, left_dir) |
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| 117 | n/a | self.assertEqual(d.right, right_dir) |
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| 118 | n/a | if self.caseinsensitive: |
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| 119 | n/a | self.assertEqual([d.left_list, d.right_list],[['file'], ['FiLe']]) |
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| 120 | n/a | else: |
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| 121 | n/a | self.assertEqual([d.left_list, d.right_list],[['file'], ['file']]) |
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| 122 | n/a | self.assertEqual(d.common, ['file']) |
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| 123 | n/a | self.assertEqual(d.left_only, []) |
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| 124 | n/a | self.assertEqual(d.right_only, []) |
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| 125 | n/a | self.assertEqual(d.same_files, ['file']) |
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| 126 | n/a | self.assertEqual(d.diff_files, []) |
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| 127 | n/a | expected_report = [ |
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| 128 | n/a | "diff {} {}".format(self.dir, self.dir_same), |
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| 129 | n/a | "Identical files : ['file']", |
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| 130 | n/a | ] |
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| 131 | n/a | self._assert_report(d.report, expected_report) |
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| 132 | n/a | |
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| 133 | n/a | # Check attributes for comparison of two different directories (right) |
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| 134 | n/a | left_dir, right_dir = self.dir, self.dir_diff |
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| 135 | n/a | d = filecmp.dircmp(left_dir, right_dir) |
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| 136 | n/a | self.assertEqual(d.left, left_dir) |
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| 137 | n/a | self.assertEqual(d.right, right_dir) |
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| 138 | n/a | self.assertEqual(d.left_list, ['file']) |
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| 139 | n/a | self.assertEqual(d.right_list, ['file', 'file2']) |
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| 140 | n/a | self.assertEqual(d.common, ['file']) |
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| 141 | n/a | self.assertEqual(d.left_only, []) |
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| 142 | n/a | self.assertEqual(d.right_only, ['file2']) |
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| 143 | n/a | self.assertEqual(d.same_files, ['file']) |
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| 144 | n/a | self.assertEqual(d.diff_files, []) |
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| 145 | n/a | expected_report = [ |
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| 146 | n/a | "diff {} {}".format(self.dir, self.dir_diff), |
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| 147 | n/a | "Only in {} : ['file2']".format(self.dir_diff), |
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| 148 | n/a | "Identical files : ['file']", |
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| 149 | n/a | ] |
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| 150 | n/a | self._assert_report(d.report, expected_report) |
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| 151 | n/a | |
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| 152 | n/a | # Check attributes for comparison of two different directories (left) |
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| 153 | n/a | left_dir, right_dir = self.dir, self.dir_diff |
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| 154 | n/a | shutil.move( |
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| 155 | n/a | os.path.join(self.dir_diff, 'file2'), |
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| 156 | n/a | os.path.join(self.dir, 'file2') |
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| 157 | n/a | ) |
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| 158 | n/a | d = filecmp.dircmp(left_dir, right_dir) |
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| 159 | n/a | self.assertEqual(d.left, left_dir) |
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| 160 | n/a | self.assertEqual(d.right, right_dir) |
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| 161 | n/a | self.assertEqual(d.left_list, ['file', 'file2']) |
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| 162 | n/a | self.assertEqual(d.right_list, ['file']) |
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| 163 | n/a | self.assertEqual(d.common, ['file']) |
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| 164 | n/a | self.assertEqual(d.left_only, ['file2']) |
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| 165 | n/a | self.assertEqual(d.right_only, []) |
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| 166 | n/a | self.assertEqual(d.same_files, ['file']) |
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| 167 | n/a | self.assertEqual(d.diff_files, []) |
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| 168 | n/a | expected_report = [ |
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| 169 | n/a | "diff {} {}".format(self.dir, self.dir_diff), |
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| 170 | n/a | "Only in {} : ['file2']".format(self.dir), |
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| 171 | n/a | "Identical files : ['file']", |
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| 172 | n/a | ] |
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| 173 | n/a | self._assert_report(d.report, expected_report) |
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| 174 | n/a | |
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| 175 | n/a | # Add different file2 |
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| 176 | n/a | with open(os.path.join(self.dir_diff, 'file2'), 'w') as output: |
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| 177 | n/a | output.write('Different contents.\n') |
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| 178 | n/a | d = filecmp.dircmp(self.dir, self.dir_diff) |
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| 179 | n/a | self.assertEqual(d.same_files, ['file']) |
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| 180 | n/a | self.assertEqual(d.diff_files, ['file2']) |
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| 181 | n/a | expected_report = [ |
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| 182 | n/a | "diff {} {}".format(self.dir, self.dir_diff), |
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| 183 | n/a | "Identical files : ['file']", |
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| 184 | n/a | "Differing files : ['file2']", |
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| 185 | n/a | ] |
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| 186 | n/a | self._assert_report(d.report, expected_report) |
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| 187 | n/a | |
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| 188 | n/a | def test_report_partial_closure(self): |
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| 189 | n/a | left_dir, right_dir = self.dir, self.dir_same |
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| 190 | n/a | d = filecmp.dircmp(left_dir, right_dir) |
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| 191 | n/a | expected_report = [ |
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| 192 | n/a | "diff {} {}".format(self.dir, self.dir_same), |
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| 193 | n/a | "Identical files : ['file']", |
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| 194 | n/a | ] |
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| 195 | n/a | self._assert_report(d.report_partial_closure, expected_report) |
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| 196 | n/a | |
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| 197 | n/a | def test_report_full_closure(self): |
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| 198 | n/a | left_dir, right_dir = self.dir, self.dir_same |
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| 199 | n/a | d = filecmp.dircmp(left_dir, right_dir) |
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| 200 | n/a | expected_report = [ |
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| 201 | n/a | "diff {} {}".format(self.dir, self.dir_same), |
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| 202 | n/a | "Identical files : ['file']", |
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| 203 | n/a | ] |
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| 204 | n/a | self._assert_report(d.report_full_closure, expected_report) |
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| 205 | n/a | |
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| 206 | n/a | def _assert_report(self, dircmp_report, expected_report_lines): |
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| 207 | n/a | with support.captured_stdout() as stdout: |
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| 208 | n/a | dircmp_report() |
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| 209 | n/a | report_lines = stdout.getvalue().strip().split('\n') |
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| 210 | n/a | self.assertEqual(report_lines, expected_report_lines) |
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| 211 | n/a | |
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| 212 | n/a | |
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| 213 | n/a | def test_main(): |
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| 214 | n/a | support.run_unittest(FileCompareTestCase, DirCompareTestCase) |
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| 215 | n/a | |
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| 216 | n/a | if __name__ == "__main__": |
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| 217 | n/a | test_main() |
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