How to use the catt.controllers.Cache function in catt

def test_cache(self):
        cache = Cache()
        cache.set_data("name", CCInfo("192.168.0.6", 8009, "Fake Factory Inc.", "Fakecast", "fake"))
        self.assertEqual(
            cache.get_data("name").all_info,
            {
                "ip": "192.168.0.6",
                "port": 8009,
                "manufacturer": "Fake Factory Inc.",
                "model_name": "Fakecast",
                "cast_type": "fake",
            },
        )

        cache.clear()
        cache = Cache()
        self.assertEqual(cache.get_data("name"), None)
        cache.clear()

def test_cache(self):
        cache = Cache()
        cache.set_data("name", CCInfo("192.168.0.6", 8009, "Fake Factory Inc.", "Fakecast", "fake"))
        self.assertEqual(
            cache.get_data("name").all_info,
            {
                "ip": "192.168.0.6",
                "port": 8009,
                "manufacturer": "Fake Factory Inc.",
                "model_name": "Fakecast",
                "cast_type": "fake",
            },
        )

        cache.clear()
        cache = Cache()
        self.assertEqual(cache.get_data("name"), None)
        cache.clear()

:type device: str
    :returns: Chromecast object for use in a CastController,
              and CCInfo object for use in setup_cast and StreamInfo
    :rtype: (pychromecast.Chromecast, CCInfo)
    """

    cast = None

    if device and is_ipaddress(device):
        cast = get_chromecast_with_ip(device, DEFAULT_PORT)
        if not cast:
            msg = "No device found at {}".format(device)
            raise CastError(msg)
        cc_info = CCInfo(cast.host, cast.port, None, None, cast.cast_type)
    else:
        cache = Cache()
        cc_info = cache.get_data(device)

        if cc_info:
            cast = get_chromecast_with_ip(cc_info.ip, cc_info.port)
        if not cast:
            cast = get_chromecast(device)
            if not cast:
                msg = 'Specified device "{}" not found'.format(device) if device else "No devices found"
                raise CastError(msg)
            cc_info = CCInfo(cast.host, cast.port, cast.device.manufacturer, cast.model_name, cast.cast_type)
            cache.set_data(cast.name, cc_info)

    cast.wait()
    return (cast, cc_info)

def __init__(self):
        vhash = hashlib.sha1(__version__.encode()).hexdigest()[:8]
        cache_path = Path(tempfile.gettempdir(), "catt_{}_cache".format(vhash), "chromecast_hosts")
        super(Cache, self).__init__(cache_path)
        self._create_store_dir()

        if not self.store_path.is_file():
            devices = get_chromecasts()
            cache_data = {
                d.name: CCInfo(d.host, d.port, d.device.manufacturer, d.model_name, d.cast_type).all_info
                for d in devices
            }
            self._write_store(cache_data)

def cli(ctx, delete_cache, device):
    if delete_cache:
        Cache().clear()
    ctx.obj["device"] = device