    @Test
    public void testNettyClient() {

        Attribute attribute = new Attribute();
        attribute.put(RemotingConst.HOST_KEY, "127.0.0.1");
        attribute.put(RemotingConst.PORT_KEY, 8080);

        // handle request
        HodorChannelHandler handler = new HodorClientChannelHandler();

        NetClientTransport clientTransport = ExtensionLoader.getExtensionLoader(NetClientTransport.class).getDefaultJoin();
        NetClient client = clientTransport.connect(attribute, handler);
        client.connection();
    }