| |
| import os, filecmp, shutil, tempfile |
| import unittest |
| from test import test_support |
| |
| class FileCompareTestCase(unittest.TestCase): |
| def setUp(self): |
| self.name = test_support.TESTFN |
| self.name_same = test_support.TESTFN + '-same' |
| self.name_diff = test_support.TESTFN + '-diff' |
| data = 'Contents of file go here.\n' |
| for name in [self.name, self.name_same, self.name_diff]: |
| output = open(name, 'w') |
| output.write(data) |
| output.close() |
| |
| output = open(self.name_diff, 'a+') |
| output.write('An extra line.\n') |
| output.close() |
| self.dir = tempfile.gettempdir() |
| |
| def tearDown(self): |
| os.unlink(self.name) |
| os.unlink(self.name_same) |
| os.unlink(self.name_diff) |
| |
| def test_matching(self): |
| self.assertTrue(filecmp.cmp(self.name, self.name_same), |
| "Comparing file to itself fails") |
| self.assertTrue(filecmp.cmp(self.name, self.name_same, shallow=False), |
| "Comparing file to itself fails") |
| self.assertTrue(filecmp.cmp(self.name, self.name, shallow=False), |
| "Comparing file to identical file fails") |
| self.assertTrue(filecmp.cmp(self.name, self.name), |
| "Comparing file to identical file fails") |
| |
| def test_different(self): |
| self.assertFalse(filecmp.cmp(self.name, self.name_diff), |
| "Mismatched files compare as equal") |
| self.assertFalse(filecmp.cmp(self.name, self.dir), |
| "File and directory compare as equal") |
| |
| class DirCompareTestCase(unittest.TestCase): |
| def setUp(self): |
| tmpdir = tempfile.gettempdir() |
| self.dir = os.path.join(tmpdir, 'dir') |
| self.dir_same = os.path.join(tmpdir, 'dir-same') |
| self.dir_diff = os.path.join(tmpdir, 'dir-diff') |
| self.caseinsensitive = os.path.normcase('A') == os.path.normcase('a') |
| data = 'Contents of file go here.\n' |
| for dir in [self.dir, self.dir_same, self.dir_diff]: |
| shutil.rmtree(dir, True) |
| os.mkdir(dir) |
| if self.caseinsensitive and dir is self.dir_same: |
| fn = 'FiLe' # Verify case-insensitive comparison |
| else: |
| fn = 'file' |
| output = open(os.path.join(dir, fn), 'w') |
| output.write(data) |
| output.close() |
| |
| output = open(os.path.join(self.dir_diff, 'file2'), 'w') |
| output.write('An extra file.\n') |
| output.close() |
| |
| def tearDown(self): |
| shutil.rmtree(self.dir) |
| shutil.rmtree(self.dir_same) |
| shutil.rmtree(self.dir_diff) |
| |
| def test_cmpfiles(self): |
| self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file']) == |
| (['file'], [], []), |
| "Comparing directory to itself fails") |
| self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file']) == |
| (['file'], [], []), |
| "Comparing directory to same fails") |
| |
| # Try it with shallow=False |
| self.assertTrue(filecmp.cmpfiles(self.dir, self.dir, ['file'], |
| shallow=False) == |
| (['file'], [], []), |
| "Comparing directory to itself fails") |
| self.assertTrue(filecmp.cmpfiles(self.dir, self.dir_same, ['file'], |
| shallow=False), |
| "Comparing directory to same fails") |
| |
| # Add different file2 |
| output = open(os.path.join(self.dir, 'file2'), 'w') |
| output.write('Different contents.\n') |
| output.close() |
| |
| self.assertFalse(filecmp.cmpfiles(self.dir, self.dir_same, |
| ['file', 'file2']) == |
| (['file'], ['file2'], []), |
| "Comparing mismatched directories fails") |
| |
| |
| def test_dircmp(self): |
| # Check attributes for comparison of two identical directories |
| d = filecmp.dircmp(self.dir, self.dir_same) |
| if self.caseinsensitive: |
| self.assertEqual([d.left_list, d.right_list],[['file'], ['FiLe']]) |
| else: |
| self.assertEqual([d.left_list, d.right_list],[['file'], ['file']]) |
| self.assertTrue(d.common == ['file']) |
| self.assertTrue(d.left_only == d.right_only == []) |
| self.assertTrue(d.same_files == ['file']) |
| self.assertTrue(d.diff_files == []) |
| |
| # Check attributes for comparison of two different directories |
| d = filecmp.dircmp(self.dir, self.dir_diff) |
| self.assertTrue(d.left_list == ['file']) |
| self.assertTrue(d.right_list == ['file', 'file2']) |
| self.assertTrue(d.common == ['file']) |
| self.assertTrue(d.left_only == []) |
| self.assertTrue(d.right_only == ['file2']) |
| self.assertTrue(d.same_files == ['file']) |
| self.assertTrue(d.diff_files == []) |
| |
| # Add different file2 |
| output = open(os.path.join(self.dir, 'file2'), 'w') |
| output.write('Different contents.\n') |
| output.close() |
| d = filecmp.dircmp(self.dir, self.dir_diff) |
| self.assertTrue(d.same_files == ['file']) |
| self.assertTrue(d.diff_files == ['file2']) |
| |
| |
| def test_main(): |
| test_support.run_unittest(FileCompareTestCase, DirCompareTestCase) |
| |
| if __name__ == "__main__": |
| test_main() |
