def test_rotate_right_command_move(self):
rotate_right_command = RotateRightCommand()
position = Position(1, 1, Commands.NORTH)
new_position = rotate_right_command.move(position)
self.assertEqual(new_position.direction, Commands.EAST)
def test_north_command_move(self):
north_command = NorthCommand()
position = Position(1, 1, Commands.NORTH)
new_position = north_command.move(position)
self.assertEqual(new_position.y, 2)
def move(self, position):
left_rotations = {
Directions.NORTH: Directions.WEST,
Directions.WEST: Directions.SOUTH,
Directions.SOUTH: Directions.EAST,
Directions.EAST: Directions.NORTH,
}
return Position(position.x, position.y,
left_rotations[position.direction])
def move(self, position):
return Position(position.x - 1, position.y, position.direction)