def test_move_by_alias(self):
hallway = HallwayRoom()
outside = OutsideRoom()
hallway.add_exit("north", outside)
self.assertEqual(hallway.move("n"), outside)
def test_move_non_exit(self):
hallway = HallwayRoom()
outside = OutsideRoom()
hallway.add_exit("north", outside)
self.assertIsNone(hallway.move("south"))
