class TestDateTimeField(unittest.TestCase): def setUp(self): self.field = DateTimeField() def test_parse_datetime(self): valid_values = ( datetime(2015, 1, 2, 3, 4, 5), '2015-01-02 03:04:05', '2015-01-02T03:04:05.45Z', ) for value in valid_values: self.assertIsNone(self.field.validate(value))