import pickle

from django.contrib.auth.models import User

from django.test import TestCase

from django.utils.functional import SimpleLazyObject

class TestUtilsSimpleLazyObjectDjangoTestCase(TestCase):

    def test_pickle(self):

        user = User.objects.create_user("johndoe", "[email protected]", "pass")

        x = SimpleLazyObject(lambda: user)

        pickle.dumps(x)

        # Try the variant protocol levels.

        pickle.dumps(x, 0)

        pickle.dumps(x, 1)

        pickle.dumps(x, 2)