Examples with Connection com.alibaba.nacos.common.remote.client.Connection used on opensource projects

Example 1 with Connection

use of com.alibaba.nacos.common.remote.client.Connection in project nacos by alibaba.

the class NamingGrpcClientProxyTest method testServerListChanged.

@Test
public void testServerListChanged() throws Exception {
    RpcClient rpc = new RpcClient("testServerListHasChanged", factory) {

        @Override
        public ConnectionType getConnectionType() {
            return ConnectionType.GRPC;
        }

        @Override
        public int rpcPortOffset() {
            return 0;
        }

        @Override
        public Connection connectToServer(ServerInfo serverInfo) throws Exception {
            return new Connection(serverInfo) {

                @Override
                public Response request(Request request, long timeoutMills) throws NacosException {
                    Response response = new Response() {
                    };
                    response.setRequestId(request.getRequestId());
                    return response;
                }

                @Override
                public RequestFuture requestFuture(Request request) throws NacosException {
                    return new DefaultRequestFuture("test", request.getRequestId());
                }

                @Override
                public void asyncRequest(Request request, RequestCallBack requestCallBack) throws NacosException {
                }

                @Override
                public void close() {
                }
            };
        }
    };
    Field rpcClient = NamingGrpcClientProxy.class.getDeclaredField("rpcClient");
    rpcClient.setAccessible(true);
    rpcClient.set(client, rpc);
    rpc.serverListFactory(factory);
    rpc.registerServerRequestHandler(new NamingPushRequestHandler(holder));
    Field listenerField = NamingGrpcClientProxy.class.getDeclaredField("redoService");
    listenerField.setAccessible(true);
    NamingGrpcRedoService listener = (NamingGrpcRedoService) listenerField.get(client);
    rpc.registerConnectionListener(listener);
    rpc.start();
    int retry = 10;
    while (!rpc.isRunning()) {
        TimeUnit.SECONDS.sleep(1);
        if (--retry < 0) {
            Assert.fail("rpc is not running");
        }
    }
    Assert.assertEquals(ORIGIN_SERVER, rpc.getCurrentServer().getServerIp());
    String newServer = "www.aliyun.com";
    when(factory.genNextServer()).thenReturn(newServer);
    when(factory.getServerList()).thenReturn(Stream.of(newServer, "anotherServer").collect(Collectors.toList()));
    NotifyCenter.publishEvent(new ServerListChangedEvent());
    retry = 10;
    while (ORIGIN_SERVER.equals(rpc.getCurrentServer().getServerIp())) {
        TimeUnit.SECONDS.sleep(1);
        if (--retry < 0) {
            Assert.fail("failed to auth switch server");
        }
    }
    Assert.assertEquals(newServer, rpc.getCurrentServer().getServerIp());
}