from pigeon_magnet_solver import helpers


def test_rotate_r():
    assert helpers._rotate_r("1x01") == "11x0"
    assert helpers._rotate_r("11x0") == "011x"
    assert helpers._rotate_r("011x") == "x011"
    assert helpers._rotate_r("x011") == "1x01"

    assert helpers._valid_rotate("1x01", "11x0") is False
    assert helpers._valid_rotate("1x01", "011x") is False
    assert helpers._valid_rotate("1x01", "x011") is True
    assert helpers._valid_rotate("1x01", "1x01") is True

    assert helpers._fix_exes("1x01", "x011") == "0x11"

    assert helpers.rotate_r("1x01") == "0x11"