def test_sale_delete_not_saved(self):
sale = Sale(
member=self.member,
product=self.product,
price=100
)
with self.assertRaises(RuntimeError):
sale.delete()
def test_sale_save_not_saved(self):
sale = Sale(
member=self.member,
product=self.product,
price=100
)
sale.save()
self.assertIsNotNone(sale.id)
def test_sale_delete_already_saved(self):
sale = Sale(member=self.member, product=self.product, price=100)
sale.save()
sale.delete()
self.assertIsNone(sale.id)
def test_sale_save_already_saved(self):
sale = Sale(
member=self.member,
product=self.product,
price=100
)
sale.save()
with self.assertRaises(RuntimeError):
sale.save()