io.reactivesocket.websocket.rxnetty.ClientServerTest.java Source code

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Here is the source code for io.reactivesocket.websocket.rxnetty.ClientServerTest.java

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/**
 * Copyright 2015 Netflix, Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.reactivesocket.websocket.rxnetty;

import io.netty.buffer.ByteBuf;
import io.netty.handler.logging.LogLevel;
import io.reactivesocket.ConnectionSetupHandler;
import io.reactivesocket.ConnectionSetupPayload;
import io.reactivesocket.Payload;
import io.reactivesocket.ReactiveSocket;
import io.reactivesocket.RequestHandler;
import io.reactivesocket.exceptions.SetupException;
import io.reactivesocket.websocket.rxnetty.client.WebSocketClientDuplexConnection;
import io.reactivesocket.websocket.rxnetty.client.WebSocketDuplexConnection;
import io.reactivesocket.websocket.rxnetty.server.ReactiveSocketWebSocketServer;
import io.reactivex.netty.protocol.http.client.HttpClient;
import io.reactivex.netty.protocol.http.server.HttpServer;
import io.reactivex.netty.protocol.http.ws.WebSocketConnection;
import io.reactivex.netty.protocol.http.ws.client.WebSocketResponse;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;
import rx.Observable;
import rx.RxReactiveStreams;
import rx.observers.TestSubscriber;

import java.util.concurrent.TimeUnit;

import static io.reactivesocket.websocket.rxnetty.TestUtil.byteToString;

public class ClientServerTest {

    static ReactiveSocket client;
    static HttpServer<ByteBuf, ByteBuf> server;

    @BeforeClass
    public static void setup() {
        ReactiveSocketWebSocketServer serverHandler = ReactiveSocketWebSocketServer
                .create(new ConnectionSetupHandler() {
                    @Override
                    public RequestHandler apply(ConnectionSetupPayload setupPayload) throws SetupException {
                        return new RequestHandler() {
                            @Override
                            public Publisher<Payload> handleRequestResponse(Payload payload) {
                                return new Publisher<Payload>() {
                                    @Override
                                    public void subscribe(Subscriber<? super Payload> s) {
                                        System.out.println("Handling request/response payload => " + s.toString());
                                        Payload response = TestUtil.utf8EncodedPayload("hello world", "metadata");
                                        s.onNext(response);
                                        s.onComplete();
                                    }
                                };
                            }

                            @Override
                            public Publisher<Payload> handleRequestStream(Payload payload) {
                                return null;
                            }

                            @Override
                            public Publisher<Payload> handleSubscription(Payload payload) {
                                return null;
                            }

                            @Override
                            public Publisher<Void> handleFireAndForget(Payload payload) {
                                return null;
                            }

                            @Override
                            public Publisher<Payload> handleChannel(Payload initialPayload,
                                    Publisher<Payload> payloads) {
                                return null;
                            }

                            @Override
                            public Publisher<Void> handleMetadataPush(Payload payload) {
                                return null;
                            }
                        };
                    }
                });

        server = HttpServer.newServer()
                //            .clientChannelOption(ChannelOption.AUTO_READ, true)
                .enableWireLogging(LogLevel.ERROR).start((req, resp) -> {
                    return resp.acceptWebSocketUpgrade(serverHandler::acceptWebsocket);
                });

        Observable<WebSocketConnection> wsConnection = HttpClient.newClient("localhost", server.getServerPort())
                .enableWireLogging(LogLevel.ERROR).createGet("/rs").requestWebSocketUpgrade()
                .flatMap(WebSocketResponse::getWebSocketConnection);

        Publisher<WebSocketDuplexConnection> connectionPublisher = WebSocketClientDuplexConnection
                .create(RxReactiveStreams.toPublisher(wsConnection));

        client = RxReactiveStreams.toObservable(connectionPublisher)
                .map(w -> ReactiveSocket.fromClientConnection(w, ConnectionSetupPayload.create("UTF-8", "UTF-8")))
                .toBlocking().single();

        client.startAndWait();
    }

    @AfterClass
    public static void tearDown() {
        server.shutdown();
    }

    @Test
    public void testRequestResponse() {
        TestSubscriber<String> ts = TestSubscriber.create();
        RxReactiveStreams.toObservable(client.requestResponse(TestUtil.utf8EncodedPayload("hello", "metadata")))
                .map(payload -> byteToString(payload.getData())).subscribe(ts);
        ts.awaitTerminalEvent(1500, TimeUnit.MILLISECONDS);
        ts.assertNoErrors();
        ts.assertCompleted();
        ts.assertValue("hello world");
    }

}