test_serializers.py 文件源码

def test_serialize_invalid_length_content_type_string(self):
        serializer = self.Serializer(data={'ctype': 'auth'})
        self.assertFalse(serializer.is_valid())
        self.assertTrue('ctype' in serializer.errors)

        try:
            serializer.is_valid(raise_exception=True)
            self.fail('Did not raise ValidationError when serializing invalid content '
                      'type string using `raise_exception=True`')
        except serializers.ValidationError as e:
            self.assertEqual(str(e), "{'ctype': ['Incorrect length. Expected content type string, "
                                     "separated by punctuation. Received \"auth\".']}")