How to use the cartography.driftdetect.util.valid_directory function in cartography

def test_valid_directory():
    """
    Tests valid directory function.
    """
    config = UpdateConfig("tests", "localhost")
    assert valid_directory(config.drift_detection_directory)
    config.drift_detection_directory = "temp"
    assert not valid_directory(config.drift_detection_directory)

def test_valid_directory():
    """
    Tests valid directory function.
    """
    config = UpdateConfig("tests", "localhost")
    assert valid_directory(config.drift_detection_directory)
    config.drift_detection_directory = "temp"
    assert not valid_directory(config.drift_detection_directory)

def run_get_states(config):
    """
    Handles neo4j errors and then updates detectors.

    :type config: Config Object
    :param config: Config Object from CLI
    :return:
    """
    if not valid_directory(config.drift_detection_directory):
        logger.error("Invalid Drift Detection Directory")
        return
    neo4j_auth = None
    if config.neo4j_user or config.neo4j_password:
        neo4j_auth = (config.neo4j_user, config.neo4j_password)
    try:
        neo4j_driver = GraphDatabase.driver(
            config.neo4j_uri,
            auth=neo4j_auth,
        )
    except neobolt.exceptions.ServiceUnavailable as e:
        logger.debug("Error occurred during Neo4j connect.", exc_info=True)
        logger.error(
            (
                "Unable to connect to Neo4j using the provided URI '%s', an error occurred: '%s'. Make sure the "
                "Neo4j server is running and accessible from your network."

def run_drift_detection(config):
    try:
        if not valid_directory(config.query_directory):
            logger.error("Invalid Drift Detection Directory")
            return
        state_serializer = StateSchema()
        shortcut_serializer = ShortcutSchema()
        shortcut_data = FileSystem.load(os.path.join(config.query_directory, "shortcut.json"))
        shortcut = shortcut_serializer.load(shortcut_data)
        start_state_data = FileSystem.load(
            os.path.join(
                config.query_directory, shortcut.shortcuts.get(
                    config.start_state,
                    config.start_state,
                ),
            ),
        )
        start_state = state_serializer.load(start_state_data)
        end_state_data = FileSystem.load(

def run_add_shortcut(config):
    """
    Runs add_shortcut from the command line. Does error handling.

    :type config: Config Object
    :param config: Config of adding shortcut
    :return:
    """
    if not valid_directory(config.query_directory):
        logger.error("Invalid Drift Detection Directory")
        return
    try:
        add_shortcut(FileSystem, ShortcutSchema(), config.query_directory, config.shortcut, config.filename)
    except ValidationError as err:
        msg = "Could not load shortcut file from json file {} in query directory {}.".format(
            err.messages,
            config.query_directory,
        )
        logger.exception(msg)