def test_directions(self):
        '''Tests if moving in different directions works correctly.'''
        robot_id = "test_directions_154332"
        robot = Robot(robot_id, "123")
        world = World()
        database = MemcachedDatabase()

        world.add_robot(robot, (10, 2))
        database.commit()

        action_manager = ActionManager()

        action_manager.do_action("123", "move", [robot_id, "N"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (10, 1))

        action_manager.do_action("123", "move", [robot_id, "NE"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (11, 0))

        action_manager.do_action("123", "move", [robot_id, "E"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (12, 0))

        action_manager.do_action("123", "move", [robot_id, "SE"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (13, 1))

        action_manager.do_action("123", "move", [robot_id, "S"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (13, 2))

        action_manager.do_action("123", "move", [robot_id, "SW"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (12, 3))

        action_manager.do_action("123", "move", [robot_id, "W"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (11, 3))

        action_manager.do_action("123", "move", [robot_id, "NW"])
        database.commit()
        robot = database.get_robot(robot_id)
        self.assertEqual(robot.get_location(), (10, 2))