diff options
Diffstat (limited to 'Lib/test/test_json/test_fail.py')
| -rw-r--r-- | Lib/test/test_json/test_fail.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/Lib/test/test_json/test_fail.py b/Lib/test/test_json/test_fail.py index a74240f1107..7c1696cc66d 100644 --- a/Lib/test/test_json/test_fail.py +++ b/Lib/test/test_json/test_fail.py @@ -100,8 +100,27 @@ class TestFail: def test_not_serializable(self): import sys with self.assertRaisesRegex(TypeError, - 'Object of type module is not JSON serializable'): + 'Object of type module is not JSON serializable') as cm: self.dumps(sys) + self.assertFalse(hasattr(cm.exception, '__notes__')) + + with self.assertRaises(TypeError) as cm: + self.dumps([1, [2, 3, sys]]) + self.assertEqual(cm.exception.__notes__, + ['when serializing list item 2', + 'when serializing list item 1']) + + with self.assertRaises(TypeError) as cm: + self.dumps((1, (2, 3, sys))) + self.assertEqual(cm.exception.__notes__, + ['when serializing tuple item 2', + 'when serializing tuple item 1']) + + with self.assertRaises(TypeError) as cm: + self.dumps({'a': {'b': sys}}) + self.assertEqual(cm.exception.__notes__, + ["when serializing dict item 'b'", + "when serializing dict item 'a'"]) def test_truncated_input(self): test_cases = [ |