class TestToyRobotWithoutPosition(unittest.TestCase):
def setUp(self):
self.toy_robot = ToyRobot()
def test_commands_while_position_is_not_set(self):
self.toy_robot.move()
self.toy_robot.rotate_right()
self.toy_robot.rotate_left()
self.assertIsNone(self.toy_robot.position)
class TestToyRobotMovement(unittest.TestCase):
def setUp(self):
self.toy_robot = ToyRobot()
self.toy_robot.set_position(0, 0, 'EAST')
def test_move_and_rotate(self):
self.toy_robot.move()
self.toy_robot.move()
self.toy_robot.rotate_left()
self.toy_robot.move()
self.toy_robot.move()
self.assertEqual(self.toy_robot.position.x, 2)
self.assertEqual(self.toy_robot.position.y, 2)
self.assertEqual(self.toy_robot.position.direction, 'NORTH')
def test_move_prevents_robot_from_falling_west(self):
robot = ToyRobot(0, 4, "WEST")
robot.move()
self.assertEqual(robot.x, 0)
self.assertEqual(robot.y, 4)
self.assertEqual(robot.direction, "WEST")
def test_move_prevents_robot_from_falling_south(self):
robot = ToyRobot(2, 0, "SOUTH")
robot.move()
self.assertEqual(robot.x, 2)
self.assertEqual(robot.y, 0)
self.assertEqual(robot.direction, "SOUTH")
def test_move_robot_adds_1_step_towards_west(self):
robot = ToyRobot(1, 3, "WEST")
robot.move()
self.assertEqual(robot.x, 0)
self.assertEqual(robot.y, 3)
self.assertEqual(robot.direction, "WEST")
def test_move_robot_adds_1_step_towards_east(self):
robot = ToyRobot(0, 3, "EAST")
robot.move()
self.assertEqual(robot.x, 1)
self.assertEqual(robot.y, 3)
self.assertEqual(robot.direction, "EAST")
def test_move_robot_adds_1_step_towards_south(self):
robot = ToyRobot(0, 3, "SOUTH")
robot.move()
self.assertEqual(robot.x, 0)
self.assertEqual(robot.y, 2)
self.assertEqual(robot.direction, "SOUTH")
def test_move_robot_adds_1_step_towards_north(self):
robot = ToyRobot(0, 3, "NORTH")
robot.move()
self.assertEqual(robot.x, 0)
self.assertEqual(robot.y, 4)
self.assertEqual(robot.direction, "NORTH")
def test_move(self): toyRobot = ToyRobot() toyRobot.place(0, 0, Direction.NORTH) toyRobot.move() self.assertEqual(toyRobot.report(), "1, 0, NORTH") toyRobot.move() self.assertEqual(toyRobot.report(), "2, 0, NORTH") toyRobot.move() self.assertEqual(toyRobot.report(), "3, 0, NORTH") toyRobot.move() self.assertEqual(toyRobot.report(), "4, 0, NORTH") toyRobot.move() self.assertEqual(toyRobot.report(), "4, 0, NORTH") # validate not going over the edge toyRobot.place(0, 0, Direction.EAST) toyRobot.move() self.assertEqual(toyRobot.report(), "0, 1, EAST") toyRobot.move() self.assertEqual(toyRobot.report(), "0, 2, EAST") toyRobot.move() self.assertEqual(toyRobot.report(), "0, 3, EAST") toyRobot.move() self.assertEqual(toyRobot.report(), "0, 4, EAST") toyRobot.move() self.assertEqual(toyRobot.report(), "0, 4, EAST") # validate not going over the edge toyRobot.place(0, 0, Direction.WEST) toyRobot.move() self.assertEqual(toyRobot.report(), "0, 0, WEST") # validate not going over the edge toyRobot.place(0, 0, Direction.SOUTH) toyRobot.move() self.assertEqual(toyRobot.report(), "0, 0, SOUTH") # validate not going over the edge