diff options
Diffstat (limited to 'Lib/unittest/test/test_case.py')
| -rw-r--r-- | Lib/unittest/test/test_case.py | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/Lib/unittest/test/test_case.py b/Lib/unittest/test/test_case.py index 14a386a6f3..7de79310ed 100644 --- a/Lib/unittest/test/test_case.py +++ b/Lib/unittest/test/test_case.py @@ -592,20 +592,38 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing): self.assertRaises(self.failureException, self.assertDictEqual, 1, 1) def testAssertSequenceEqualMaxDiff(self): + self.assertEqual(self.maxDiff, 80*8) seq1 = 'a' + 'x' * 80**2 seq2 = 'b' + 'x' * 80**2 diff = '\n'.join(difflib.ndiff(pprint.pformat(seq1).splitlines(), pprint.pformat(seq2).splitlines())) + + self.maxDiff = len(diff)//2 try: - self.assertSequenceEqual(seq1, seq2, max_diff=len(diff)//2) - except AssertionError as e: + + self.assertSequenceEqual(seq1, seq2) + except self.failureException as e: msg = e.args[0] + else: + self.fail('assertSequenceEqual did not fail.') self.assertTrue(len(msg) < len(diff)) + self.maxDiff = len(diff) * 2 + try: + self.assertSequenceEqual(seq1, seq2) + except self.failureException as e: + msg = e.args[0] + else: + self.fail('assertSequenceEqual did not fail.') + self.assertTrue(len(msg) > len(diff)) + + self.maxDiff = None try: - self.assertSequenceEqual(seq1, seq2, max_diff=len(diff)*2) - except AssertionError as e: + self.assertSequenceEqual(seq1, seq2) + except self.failureException as e: msg = e.args[0] + else: + self.fail('assertSequenceEqual did not fail.') self.assertTrue(len(msg) > len(diff)) def testAssertItemsEqual(self): |