/*
* Copyright 2016 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.client;
import io.netty.buffer.ByteBuf;
import io.netty.handler.logging.LogLevel;
import io.reactivex.netty.protocol.http.client.events.HttpClientEventsListener;
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.Rule;
import org.junit.Test;
import org.junit.rules.ExternalResource;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import rx.Observable;
import rx.functions.Func1;
import rx.observers.TestSubscriber;
import java.net.SocketAddress;
import java.util.concurrent.TimeUnit;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
public class EventListenerTest {
@Rule
public final HttpServerRule rule = new HttpServerRule();
@Test(timeout = 60000)
public void testEventListener() throws Exception {
HttpClient<ByteBuf, ByteBuf> client = HttpClient.newClient(rule.serverAddress);
assertListenerCalled(client);
}
@Test(timeout = 60000)
public void testEventListenerPostCopy() throws Exception {
HttpClient<ByteBuf, ByteBuf> client = HttpClient.newClient(rule.serverAddress)
.enableWireLogging("test", LogLevel.ERROR);
assertListenerCalled(client);
}
@Test(timeout = 60000)
public void testSubscriptionPreCopy() throws Exception {
HttpClient<ByteBuf, ByteBuf> client = HttpClient.newClient(rule.serverAddress);
MockHttpClientEventsListener listener = subscribe(client);
client = client.enableWireLogging("test", LogLevel.DEBUG);
connectAndAssertListenerInvocation(client, listener);
}
private static void assertListenerCalled(HttpClient<ByteBuf, ByteBuf> client) {
MockHttpClientEventsListener listener = subscribe(client);
connectAndAssertListenerInvocation(client, listener);
}
private static void connectAndAssertListenerInvocation(HttpClient<ByteBuf, ByteBuf> client,
MockHttpClientEventsListener listener) {
TestSubscriber<ByteBuf> subscriber = new TestSubscriber<>();
client.createGet("")
.flatMap(new Func1<HttpClientResponse<ByteBuf>, Observable<ByteBuf>>() {
@Override
public Observable<ByteBuf> call(HttpClientResponse<ByteBuf> r) {
return r.getContent();
}
})
.take(1)
.subscribe(subscriber);
subscriber.awaitTerminalEvent();
subscriber.assertNoErrors();
assertThat("HTTP methods not invoked on the listener.", listener.httpListenerInvoked, is(true));
assertThat("TCP methods not invoked on the listener.", listener.tcpListenerInvoked, is(true));
}
private static MockHttpClientEventsListener subscribe(HttpClient<ByteBuf, ByteBuf> client) {
MockHttpClientEventsListener listener = new MockHttpClientEventsListener();
client.subscribe(listener);
return listener;
}
public static class HttpServerRule extends ExternalResource {
private SocketAddress serverAddress;
@Override
public Statement apply(final Statement base, Description description) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
serverAddress = HttpServer.newServer().enableWireLogging("test", LogLevel.ERROR)
.start(new RequestHandler<ByteBuf, ByteBuf>() {
@Override
public Observable<Void> handle(HttpServerRequest<ByteBuf> request,
HttpServerResponse<ByteBuf> response) {
return response.writeString(Observable.just("Hello"));
}
}).getServerAddress();
base.evaluate();
}
};
}
}
private static class MockHttpClientEventsListener extends HttpClientEventsListener {
private volatile boolean httpListenerInvoked;
private volatile boolean tcpListenerInvoked;
@Override
public void onResponseHeadersReceived(int responseCode, long duration, TimeUnit timeUnit) {
httpListenerInvoked = true;
}
@Override
public void onByteRead(long bytesRead) {
tcpListenerInvoked = true;
}
}
}