def test_call_cls(mocker):
    mocker.patch("os.system")

    controller = screener_controller.ScreenerController(queue=None)
    controller.call_cls([])

    assert controller.queue == []
    os.system.assert_called_once_with("cls||clear")
def test_switch(an_input, expected_queue):
    controller = screener_controller.ScreenerController(queue=None)
    queue = controller.switch(an_input=an_input)

    assert queue == expected_queue
def test_print_help():
    controller = screener_controller.ScreenerController(queue=None)
    controller.print_help()