def test_repr_with_no_item_id(self):
     """ Create an order and test it's repr with no item id """
     order = Order(customer_id=123)
     self.assertEqual(order.__repr__(), "<Order None>")
 def test_repr(self):
     """ Create an order and test it's repr """
     order = Order(id=1, customer_id=123)
     self.assertEqual(order.__repr__(), "<Order 1>")