def test_truck_can_detach_cariage(self): truck = Truck() truck.current_carriage_weight = 100 truck.detach_carriage() self.assertEqual(truck.current_carriage_weight, None)
def test_truck_has_carriage_when_has(self): truck = Truck() truck.current_carriage_weight = 100 self.assertEqual(truck.has_carriage(), True)