test_model_mommy_factories.py 文件源码

def test_default(self):
        """
        Model Mommy: Plant.Item: YELLOW (raises IntegrityError)

        There is no method used to create unique values so there are collisions
        when there are a small number of possible values. Items that are
        created are valid.
        """
        with self.assertRaises(IntegrityError) as cm:
            for expected_num_created in range(1, 25):
                with transaction.atomic():
                    ItemFactory()

        self.assertEqual(Item.objects.count(), expected_num_created - 1)
        self.assertIn('unique', str(cm.exception).lower())
        for item in Item.objects.all():
            item.full_clean()