def test_enfoldingcollision(self):
def step():
s1.x += 1
s2.x -= 1
c = s1.collidingWith(s2)
self.assertTrue(c, msg="big sprite colliding with embedded sprite")
c = s2.collidingWith(s1)
self.assertTrue(c,
msg="small sprite colliding with enfolding sprite")
s1 = Sprite(self.rocket, (10, 10))
s2 = Sprite(self.image, (15, 15))
a = App()
a.run(step)
for i in range(10):
a._animate(1)
s1.destroy()
s2.destroy()
