def test_robot_has_been_placed(position, want):
robot = Robot()
robot.position = position
got = robot.has_been_placed()
assert got == want
def test_turn_left__only_changes_facing_direction():
robot = Robot()
robot.position = Position(3, 2, Direction.SOUTH)
robot.turn_left()
assert robot.position == Position(3, 2, Direction.EAST)
def test_move_forward__moves_the_robot_in_its_facing_direction(
current_position, new_position, table):
robot = Robot()
robot.position = current_position
table.move_forward(robot)
assert robot.position == new_position
def test_move_forward__raises_exception_when_the_next_position_is_off_the_table(
current_position, table):
robot = Robot()
robot.position = deepcopy(current_position)
with pytest.raises(InvalidPositionError):
table.move_forward(robot)
assert robot.position == current_position
def test_place__sets_the_correct_position_for_the_robot(table):
robot = Robot()
x, y, facing = 2, 3, Direction.EAST
table.place(robot, x, y, facing)
assert robot.position.x == x
assert robot.position.y == y
assert robot.position.facing == facing
def __init__(self):
self.table = Table(5, 5)
self.robot = Robot()
def test_place__raises_exception_when_position_is_invalid(table):
robot = Robot()
x, y, facing = -1, 3, Direction.SOUTH
with pytest.raises(InvalidPositionError):
table.place(robot, x, y, facing)