/*
* 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.reactivex.netty.protocol.http.sse;
import io.netty.buffer.ByteBuf;
import io.reactivex.netty.protocol.http.client.HttpClient;
import io.reactivex.netty.protocol.http.client.HttpClientResponse;
import io.reactivex.netty.protocol.http.server.HttpServer;
import io.reactivex.netty.protocol.http.server.HttpServerRequest;
import io.reactivex.netty.protocol.http.server.HttpServerResponse;
import io.reactivex.netty.protocol.http.server.RequestHandler;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
import rx.Observable;
import rx.functions.Func1;
import java.util.concurrent.TimeUnit;
import static rx.Observable.*;
public class ServerSentEventEndToEndTest {
private HttpServer<ByteBuf, ByteBuf> sseServer;
@After
public void tearDown() throws Exception {
if (null != sseServer) {
sseServer.shutdown();
sseServer.awaitShutdown(1, TimeUnit.MINUTES);
}
}
@Test(timeout = 60000)
public void testWriteRawString() throws Exception {
startServer(new Func1<HttpServerResponse<ServerSentEvent>, Observable<Void>>() {
@Override
public Observable<Void> call(HttpServerResponse<ServerSentEvent> response) {
return response.writeStringAndFlushOnEach(just("data: interval 1\n"));
}
});
receiveAndAssertSingleEvent();
}
@Test(timeout = 60000)
public void testWriteRawBytes() throws Exception {
startServer(new Func1<HttpServerResponse<ServerSentEvent>, Observable<Void>>() {
@Override
public Observable<Void> call(HttpServerResponse<ServerSentEvent> response) {
return response.writeBytesAndFlushOnEach(just("data: interval 1\n".getBytes()));
}
});
receiveAndAssertSingleEvent();
}
@Test(timeout = 60000)
public void testWriteServerSentEvent() throws Exception {
startServer(new Func1<HttpServerResponse<ServerSentEvent>, Observable<Void>>() {
@Override
public Observable<Void> call(HttpServerResponse<ServerSentEvent> response) {
return response.writeAndFlushOnEach(just(ServerSentEvent.withData("interval 1")));
}
});
receiveAndAssertSingleEvent();
}
protected void receiveAndAssertSingleEvent() {
ServerSentEvent result = receivesSingleEvent();
Assert.assertNotNull("Unexpected server sent event received.", result);
Assert.assertEquals("Unexpected event data.", "interval 1", result.contentAsString());
Assert.assertNull("Unexpected event type.", result.getEventType());
Assert.assertNull("Unexpected event id.", result.getEventId());
result.release();
}
protected ServerSentEvent receivesSingleEvent() {
return receiveSse().take(1).map(new Func1<ServerSentEvent, ServerSentEvent>() {
@Override
public ServerSentEvent call(ServerSentEvent serverSentEvent) {
serverSentEvent.retain();
return serverSentEvent;
}
}).toBlocking().singleOrDefault(null);
}
private Observable<ServerSentEvent> receiveSse() {
return HttpClient.newClient("127.0.0.1", sseServer.getServerPort())
.createGet("/")
.flatMap(new Func1<HttpClientResponse<ByteBuf>, Observable<ServerSentEvent>>() {
@Override
public Observable<ServerSentEvent> call(HttpClientResponse<ByteBuf> resp) {
return resp.getContentAsServerSentEvents();
}
});
}
private void startServer(final Func1<HttpServerResponse<ServerSentEvent>, Observable<Void>> f) {
sseServer = HttpServer.newServer()
.start(new RequestHandler<ByteBuf, ByteBuf>() {
@Override
public Observable<Void> handle(HttpServerRequest<ByteBuf> request,
HttpServerResponse<ByteBuf> response) {
return f.call(response.transformToServerSentEvents());
}
});
}
}