1. import pickle

  2. from unittest import TestCase

  3. 

  4. from django.core.exceptions import ValidationError

  5. 

  6. 

  7. class PickableValidationErrorTestCase(TestCase):

  8.     def test_validationerror_is_picklable(self):

  9.         original = ValidationError("a", code="something")

  10.         unpickled = pickle.loads(pickle.dumps(original))

  11.         self.assertIs(unpickled, unpickled.error_list[0])

  12.         self.assertEqual(original.message, unpickled.message)

  13.         self.assertEqual(original.code, unpickled.code)

  14. 

  15.         original = ValidationError("a", code="something")

  16.         unpickled = pickle.loads(pickle.dumps(ValidationError(original)))

  17.         self.assertIs(unpickled, unpickled.error_list[0])

  18.         self.assertEqual(original.message, unpickled.message)

  19.         self.assertEqual(original.code, unpickled.code)

  20. 

  21.         original = ValidationError(["a", "b"])

  22.         unpickled = pickle.loads(pickle.dumps(original))

  23.         self.assertEqual(

  24.             original.error_list[0].message, unpickled.error_list[0].message

  25.         )

  26.         self.assertEqual(

  27.             original.error_list[1].message, unpickled.error_list[1].message

  28.         )

  29. 

  30.         original = ValidationError(["a", "b"])

  31.         unpickled = pickle.loads(pickle.dumps(ValidationError(original)))

  32.         self.assertEqual(

  33.             original.error_list[0].message, unpickled.error_list[0].message

  34.         )

  35.         self.assertEqual(

  36.             original.error_list[1].message, unpickled.error_list[1].message

  37.         )

  38. 

  39.         original = ValidationError([ValidationError("a"), ValidationError("b")])

  40.         unpickled = pickle.loads(pickle.dumps(original))

  41.         self.assertIs(unpickled.args[0][0], unpickled.error_list[0])

  42.         self.assertEqual(

  43.             original.error_list[0].message, unpickled.error_list[0].message

  44.         )

  45.         self.assertEqual(

  46.             original.error_list[1].message, unpickled.error_list[1].message

  47.         )

  48. 

  49.         message_dict = {"field1": ["a", "b"], "field2": ["c", "d"]}

  50.         original = ValidationError(message_dict)

  51.         unpickled = pickle.loads(pickle.dumps(original))

  52.         self.assertEqual(unpickled.message_dict, message_dict)
About Sign Up Leave Feedback Contact