def test_clean(self):
products = create_products()
ds = create_discounts()[0]
ds.valid_products.add(products[0])
validator = ProductValidator()
self.assertRaises(ValidationError, validator.clean, ds, products[1])
self.assertEqual(ds, validator.clean(ds, products[0]))
def test_productvalidator_case3(self):
products = create_products()
ds = create_discounts()
ds[0].valid_products.add(products[0])
validator = ProductValidator()
qs = Discount._base_manager.filter(validator.get_q_object(products[0]))
self.assertEqual(set(ds), set(qs))