135 lines
5.2 KiB
Python
135 lines
5.2 KiB
Python
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import os, filecmp, shutil, tempfile, shutil
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import unittest
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from test import support
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class FileCompareTestCase(unittest.TestCase):
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def setUp(self):
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self.name = support.TESTFN
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self.name_same = support.TESTFN + '-same'
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self.name_diff = support.TESTFN + '-diff'
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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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output = open(name, 'w')
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output.write(data)
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output.close()
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output = open(self.name_diff, 'a+')
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output.write('An extra line.\n')
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output.close()
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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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def test_matching(self):
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self.assertTrue(filecmp.cmp(self.name, self.name_same),
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"Comparing file to itself fails")
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self.assertTrue(filecmp.cmp(self.name, self.name_same, shallow=False),
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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 identical file fails")
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self.assertTrue(filecmp.cmp(self.name, self.name),
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"Comparing file to identical file fails")
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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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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.caseinsensitive = os.path.normcase('A') == os.path.normcase('a')
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data = 'Contents of file go here.\n'
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for dir in [self.dir, self.dir_same, self.dir_diff]:
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shutil.rmtree(dir, True)
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os.mkdir(dir)
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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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output = open(os.path.join(dir, fn), 'w')
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output.write(data)
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output.close()
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output = open(os.path.join(self.dir_diff, 'file2'), 'w')
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output.write('An extra file.\n')
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output.close()
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def tearDown(self):
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shutil.rmtree(self.dir)
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shutil.rmtree(self.dir_same)
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shutil.rmtree(self.dir_diff)
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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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# Add different file2
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output = open(os.path.join(self.dir, 'file2'), 'w')
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output.write('Different contents.\n')
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output.close()
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self.assertFalse(filecmp.cmpfiles(self.dir, self.dir_same,
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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_dircmp(self):
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# Check attributes for comparison of two identical directories
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d = filecmp.dircmp(self.dir, self.dir_same)
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if self.caseinsensitive:
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self.assertEqual([d.left_list, d.right_list],[['file'], ['FiLe']])
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else:
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self.assertEqual([d.left_list, d.right_list],[['file'], ['file']])
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self.assertEqual(d.common, ['file'])
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self.assertTrue(d.left_only == 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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# Check attributes for comparison of two different directories
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d = filecmp.dircmp(self.dir, self.dir_diff)
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self.assertEqual(d.left_list, ['file'])
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self.assertTrue(d.right_list == ['file', 'file2'])
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self.assertEqual(d.common, ['file'])
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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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# Add different file2
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output = open(os.path.join(self.dir, 'file2'), 'w')
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output.write('Different contents.\n')
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output.close()
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d = filecmp.dircmp(self.dir, self.dir_diff)
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self.assertEqual(d.same_files, ['file'])
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self.assertEqual(d.diff_files, ['file2'])
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def test_main():
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support.run_unittest(FileCompareTestCase, DirCompareTestCase)
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if __name__ == "__main__":
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test_main()
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