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import pickle
from unittest import TestCase
from django.core.exceptions import ValidationError
class PickableValidationErrorTestCase(TestCase):
def test_validationerror_is_picklable(self):
original = ValidationError("a", code="something")
unpickled = pickle.loads(pickle.dumps(original))
self.assertIs(unpickled, unpickled.error_list[0])
self.assertEqual(original.message, unpickled.message)
self.assertEqual(original.code, unpickled.code)
original = ValidationError("a", code="something")
unpickled = pickle.loads(pickle.dumps(ValidationError(original)))
self.assertIs(unpickled, unpickled.error_list[0])
self.assertEqual(original.message, unpickled.message)
self.assertEqual(original.code, unpickled.code)
original = ValidationError(["a", "b"])
unpickled = pickle.loads(pickle.dumps(original))
self.assertEqual(
original.error_list[0].message, unpickled.error_list[0].message
)
self.assertEqual(
original.error_list[1].message, unpickled.error_list[1].message
)
original = ValidationError(["a", "b"])
unpickled = pickle.loads(pickle.dumps(ValidationError(original)))
self.assertEqual(
original.error_list[0].message, unpickled.error_list[0].message
)
self.assertEqual(
original.error_list[1].message, unpickled.error_list[1].message
)
original = ValidationError([ValidationError("a"), ValidationError("b")])
unpickled = pickle.loads(pickle.dumps(original))
self.assertIs(unpickled.args[0][0], unpickled.error_list[0])
self.assertEqual(
original.error_list[0].message, unpickled.error_list[0].message
)
self.assertEqual(
original.error_list[1].message, unpickled.error_list[1].message
)
message_dict = {"field1": ["a", "b"], "field2": ["c", "d"]}
original = ValidationError(message_dict)
unpickled = pickle.loads(pickle.dumps(original))
self.assertEqual(unpickled.message_dict, message_dict)
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