def testMoveCar(self):
body = StubBox2dCarBody()
cms = StubCarMovingStrategy()
car = Car(body)
car.setMovingStrategy(cms)
self.assertFalse(cms.moveCarCall)
car.move(5)
self.assertTrue(cms.moveCarCall)
self.assertEquals(car, cms.car)
self.assertEquals(5, cms.dx)
def testMoveCarAfterBlow(self):
car = Car(StubBox2dCarBody())
car.setMovingStrategy(StubCarMovingStrategy())
car.blow((0, 1), (1, 0))
self.assertRaises(CarError, lambda: car.move(1))