def test_can_unlock_door_no_lock(self):
keyring = maze.Keyring()
door = maze.Door(maze.Room(), maze.Room())
can_unlock = keyring.can_unlock(door)
self.assertTrue(can_unlock)
def test_add_duplicate_key(self):
keyring = maze.Keyring()
keyring.add_key("blue")
keyring.add_key("blue")
self.assertEqual(keyring.keys, ["blue"])
def test_cannot_unlock_door_missing_key(self):
keyring = maze.Keyring()
lock = maze.Lock()
keyring.add_key("blue")
lock.add_fitting_key("red")
door = maze.Door(maze.Room(), maze.Room(), lock)
can_unlock = keyring.can_unlock(door)
self.assertFalse(can_unlock)
def test_can_unlock_door_having_key(self):
key = "blue"
keyring = maze.Keyring()
lock = maze.Lock()
keyring.add_key(key)
lock.add_fitting_key(key)
door = maze.Door(maze.Room(), maze.Room(), lock)
can_unlock = keyring.can_unlock(door)
self.assertTrue(can_unlock)