AbstractHttpAsyncFundamentalsTest.java
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.hc.client5.testing.async;
import static org.hamcrest.MatcherAssert.assertThat;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Random;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
import org.apache.hc.client5.http.protocol.HttpClientContext;
import org.apache.hc.client5.testing.extension.async.ClientProtocolLevel;
import org.apache.hc.client5.testing.extension.async.ServerProtocolLevel;
import org.apache.hc.client5.testing.extension.async.TestAsyncClient;
import org.apache.hc.core5.concurrent.FutureCallback;
import org.apache.hc.core5.http.ContentType;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.Message;
import org.apache.hc.core5.http.Method;
import org.apache.hc.core5.http.URIScheme;
import org.apache.hc.core5.http.nio.entity.AsyncEntityProducers;
import org.apache.hc.core5.http.nio.entity.BasicAsyncEntityConsumer;
import org.apache.hc.core5.http.nio.support.BasicRequestProducer;
import org.apache.hc.core5.http.nio.support.BasicResponseConsumer;
import org.hamcrest.CoreMatchers;
import org.junit.jupiter.api.Test;
abstract class AbstractHttpAsyncFundamentalsTest extends AbstractIntegrationTestBase {
protected AbstractHttpAsyncFundamentalsTest(final URIScheme scheme, final ClientProtocolLevel clientProtocolLevel, final ServerProtocolLevel serverProtocolLevel) {
super(scheme, clientProtocolLevel, serverProtocolLevel);
}
protected AbstractHttpAsyncFundamentalsTest(final URIScheme scheme, final ClientProtocolLevel clientProtocolLevel,
final ServerProtocolLevel serverProtocolLevel,
final boolean useUnixDomainSocket) {
super(scheme, clientProtocolLevel, serverProtocolLevel, useUnixDomainSocket);
}
@Test
void testSequentialGetRequests() throws Exception {
configureServer(bootstrap -> bootstrap.register("/random/*", AsyncRandomHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
for (int i = 0; i < 3; i++) {
final Future<SimpleHttpResponse> future = client.execute(
SimpleRequestBuilder.get()
.setHttpHost(target)
.setPath("/random/2048")
.build(), null);
final SimpleHttpResponse response = future.get();
assertThat(response, CoreMatchers.notNullValue());
assertThat(response.getCode(), CoreMatchers.equalTo(200));
final String body = response.getBodyText();
assertThat(body, CoreMatchers.notNullValue());
assertThat(body.length(), CoreMatchers.equalTo(2048));
}
}
@Test
void testSequentialHeadRequests() throws Exception {
configureServer(bootstrap -> bootstrap.register("/random/*", AsyncRandomHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
for (int i = 0; i < 3; i++) {
final Future<SimpleHttpResponse> future = client.execute(
SimpleRequestBuilder.head()
.setHttpHost(target)
.setPath("/random/2048")
.build(), null);
final SimpleHttpResponse response = future.get();
assertThat(response, CoreMatchers.notNullValue());
assertThat(response.getCode(), CoreMatchers.equalTo(200));
final String body = response.getBodyText();
assertThat(body, CoreMatchers.nullValue());
}
}
@Test
void testSequentialPostRequests() throws Exception {
configureServer(bootstrap -> bootstrap.register("/echo/*", AsyncEchoHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
for (int i = 0; i < 3; i++) {
final byte[] b1 = new byte[1024];
final Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
final Future<Message<HttpResponse, byte[]>> future = client.execute(
new BasicRequestProducer(Method.GET, target, "/echo/",
AsyncEntityProducers.create(b1, ContentType.APPLICATION_OCTET_STREAM)),
new BasicResponseConsumer<>(new BasicAsyncEntityConsumer()), HttpClientContext.create(), null);
final Message<HttpResponse, byte[]> responseMessage = future.get();
assertThat(responseMessage, CoreMatchers.notNullValue());
final HttpResponse response = responseMessage.getHead();
assertThat(response.getCode(), CoreMatchers.equalTo(200));
final byte[] b2 = responseMessage.getBody();
assertThat(b1, CoreMatchers.equalTo(b2));
}
}
@Test
void testConcurrentPostRequests() throws Exception {
configureServer(bootstrap -> bootstrap.register("/echo/*", AsyncEchoHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
final byte[] b1 = new byte[1024];
final Random rnd = new Random(System.currentTimeMillis());
rnd.nextBytes(b1);
final int reqCount = 20;
final Queue<Future<Message<HttpResponse, byte[]>>> queue = new LinkedList<>();
for (int i = 0; i < reqCount; i++) {
final Future<Message<HttpResponse, byte[]>> future = client.execute(
new BasicRequestProducer(Method.POST, target, "/echo/",
AsyncEntityProducers.create(b1, ContentType.APPLICATION_OCTET_STREAM)),
new BasicResponseConsumer<>(new BasicAsyncEntityConsumer()), HttpClientContext.create(), null);
queue.add(future);
}
while (!queue.isEmpty()) {
final Future<Message<HttpResponse, byte[]>> future = queue.remove();
final Message<HttpResponse, byte[]> responseMessage = future.get();
assertThat(responseMessage, CoreMatchers.notNullValue());
final HttpResponse response = responseMessage.getHead();
assertThat(response.getCode(), CoreMatchers.equalTo(200));
final byte[] b2 = responseMessage.getBody();
assertThat(b1, CoreMatchers.equalTo(b2));
}
}
@Test
void testRequestExecutionFromCallback() throws Exception {
configureServer(bootstrap -> bootstrap.register("/random/*", AsyncRandomHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
final int requestNum = 50;
final AtomicInteger count = new AtomicInteger(requestNum);
final Queue<SimpleHttpResponse> resultQueue = new ConcurrentLinkedQueue<>();
final CountDownLatch countDownLatch = new CountDownLatch(requestNum);
final FutureCallback<SimpleHttpResponse> callback = new FutureCallback<SimpleHttpResponse>() {
@Override
public void completed(final SimpleHttpResponse result) {
try {
resultQueue.add(result);
if (count.decrementAndGet() > 0) {
client.execute(
SimpleRequestBuilder.get()
.setHttpHost(target)
.setPath("/random/2048")
.build(), this);
}
} finally {
countDownLatch.countDown();
}
}
@Override
public void failed(final Exception ex) {
countDownLatch.countDown();
}
@Override
public void cancelled() {
countDownLatch.countDown();
}
};
final int threadNum = 5;
final ExecutorService executorService = Executors.newFixedThreadPool(threadNum);
for (int i = 0; i < threadNum; i++) {
executorService.execute(() -> {
if (!Thread.currentThread().isInterrupted()) {
client.execute(
SimpleRequestBuilder.get()
.setHttpHost(target)
.setPath("/random/2048")
.build(), callback);
}
});
}
assertThat(countDownLatch.await(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit()), CoreMatchers.equalTo(true));
executorService.shutdownNow();
executorService.awaitTermination(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
for (;;) {
final SimpleHttpResponse response = resultQueue.poll();
if (response == null) {
break;
}
assertThat(response.getCode(), CoreMatchers.equalTo(200));
}
}
@Test
void testBadRequest() throws Exception {
configureServer(bootstrap -> bootstrap.register("/random/*", AsyncRandomHandler::new));
final HttpHost target = startServer();
final TestAsyncClient client = startClient();
final Future<SimpleHttpResponse> future = client.execute(
SimpleRequestBuilder.get()
.setHttpHost(target)
.setPath("/random/boom")
.build(), null);
final SimpleHttpResponse response = future.get();
assertThat(response, CoreMatchers.notNullValue());
assertThat(response.getCode(), CoreMatchers.equalTo(400));
}
}