def test_clean(self):
variations = create_variations()
ds = create_discounts()[0]
ds.valid_variations.add(variations[0])
validator = ProductVariationValidator()
self.assertRaises(ValidationError, validator.clean, ds, variations[1])
self.assertEqual(ds, validator.clean(ds, variations[0]))
def test_productvariationvalidator_case3(self):
variations = create_variations()
ds = create_discounts()
ds[0].valid_variations.add(variations[0])
validator = ProductVariationValidator()
qs = Discount._base_manager.filter(validator.get_q_object(variations[0]))
self.assertEqual(set(ds), set(qs))
