def test_intersect_rotate_down():
cart = Cart(0, 0, "v")
cart.intersect_rotate()
assert_equal(cart.get_direction(), ">",
"expected cart to have turned left")
cart.intersect_rotate()
assert_equal(cart.get_direction(), ">", "expected cart not to have turned")
cart.intersect_rotate()
assert_equal(cart.get_direction(), "v",
"expected cart to have turned right")
cart.intersect_rotate()
assert_equal(cart.get_direction(), ">",
"expected cart to have turned left")
def test_turn_rotate_down_backward():
cart = Cart(0, 0, "v")
cart.turn_rotate("\\")
assert_equal(cart.get_direction(), ">")
def test_turn_rotate_down_forward():
cart = Cart(0, 0, "v")
cart.turn_rotate("/")
assert_equal(cart.get_direction(), "<")
def test_turn_rotate_right_forward():
cart = Cart(0, 0, ">")
cart.turn_rotate("/")
assert_equal(cart.get_direction(), "^")
def test_turn_rotate_left_backward():
cart = Cart(0, 0, "<")
cart.turn_rotate("\\")
assert_equal(cart.get_direction(), "^")