def test_mobs(self):
level = Level(25, 25)
level.up_stairs_pos = Pos(1, 1)
world = World([level])
mob = level.mobs[2, 2] = Mob(Pos(2, 2), 0, mobinfo['orc'])
mob.move_to(Pos(3, 3))
self.assertNotIn((2, 2), level.mobs)
self.assertEquals(mob, level.mobs.get((3, 3)))
self.assertEquals(level.mobs.get(world.levels[0].up_stairs_pos),
world.player)
