def test_directory():
directory = Directory()
mock_actor_1 = MockActor(1)
mock_actor_2 = MockActor(2)
directory.add_actor("mock-actor-1", mock_actor_1)
directory.add_actor("mock-actor-2", mock_actor_2)
assert(mock_actor_1 == directory.get_actor("mock-actor-1"))
assert(mock_actor_2 == directory.get_actor("mock-actor-2"))
