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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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*
* This software consists of voluntary contributions made by many
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package org.apache.http.nio.client.methods;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.http.Consts;
import org.apache.http.HttpAsyncTestBase;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.config.ConnectionConfig;
import org.apache.http.entity.ContentType;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.impl.DefaultHttpResponseFactory;
import org.apache.http.impl.nio.DefaultNHttpServerConnection;
import org.apache.http.impl.nio.DefaultNHttpServerConnectionFactory;
import org.apache.http.impl.nio.client.HttpAsyncClients;
import org.apache.http.localserver.EchoHandler;
import org.apache.http.localserver.RandomHandler;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.NHttpConnectionFactory;
import org.apache.http.nio.protocol.BasicAsyncRequestHandler;
import org.apache.http.nio.protocol.HttpAsyncExpectationVerifier;
import org.apache.http.nio.protocol.HttpAsyncRequestHandlerMapper;
import org.apache.http.nio.protocol.HttpAsyncRequestProducer;
import org.apache.http.nio.protocol.HttpAsyncService;
import org.apache.http.nio.protocol.UriHttpAsyncRequestHandlerMapper;
import org.apache.http.nio.reactor.IOReactorStatus;
import org.apache.http.nio.reactor.ListenerEndpoint;
import org.apache.http.protocol.HttpContext;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
public class TestAsyncConsumers extends HttpAsyncTestBase {
@Before
public void setUp() throws Exception {
initServer();
initConnectionManager();
this.httpclient = HttpAsyncClients.custom()
.setConnectionManager(this.connMgr)
.build();
}
@After
public void tearDown() throws Exception {
shutDownClient();
shutDownServer();
}
@Override
protected NHttpConnectionFactory<DefaultNHttpServerConnection> createServerConnectionFactory(
final ConnectionConfig config) throws Exception {
return new DefaultNHttpServerConnectionFactory(config);
}
@Override
protected String getSchemeName() {
return "http";
}
private HttpHost start(
final HttpAsyncRequestHandlerMapper requestHandlerResolver,
final HttpAsyncExpectationVerifier expectationVerifier) throws Exception {
final HttpAsyncService serviceHandler = new HttpAsyncService(
this.serverHttpProc,
new DefaultConnectionReuseStrategy(),
new DefaultHttpResponseFactory(),
requestHandlerResolver,
expectationVerifier);
this.server.start(serviceHandler);
this.httpclient.start();
final ListenerEndpoint endpoint = this.server.getListenerEndpoint();
endpoint.waitFor();
Assert.assertEquals("Test server status", IOReactorStatus.ACTIVE, this.server.getStatus());
final InetSocketAddress address = (InetSocketAddress) endpoint.getAddress();
final HttpHost target = new HttpHost("localhost", address.getPort(), getSchemeName());
return target;
}
private HttpHost start() throws Exception {
final UriHttpAsyncRequestHandlerMapper registry = new UriHttpAsyncRequestHandlerMapper();
registry.register("/echo/*", new BasicAsyncRequestHandler(new EchoHandler()));
registry.register("/random/*", new BasicAsyncRequestHandler(new RandomHandler()));
return start(registry, null);
}
static class ByteCountingConsumer extends AsyncByteConsumer<Long> {
public ByteCountingConsumer() {
super();
}
public ByteCountingConsumer(final int bufSize) {
super(bufSize);
}
private final AtomicLong count = new AtomicLong(0);
@Override
protected void onResponseReceived(final HttpResponse response) {
}
@Override
protected void onByteReceived(final ByteBuffer buf, final IOControl ioctrl) {
this.count.addAndGet(buf.remaining());
}
@Override
protected Long buildResult(final HttpContext context) throws Exception {
return count.get();
}
}
@Test
public void testByteConsumer() throws Exception {
final HttpHost target = start();
for (int i = 0; i < 5; i++) {
final HttpAsyncRequestProducer httpget = HttpAsyncMethods.createGet(target.toURI() + "/random/20480");
final AsyncByteConsumer<Long> consumer = new ByteCountingConsumer();
final Future<Long> future = this.httpclient.execute(httpget, consumer, null);
final Long count = future.get();
Assert.assertEquals(20480, count.longValue());
}
}
@Test
public void testByteConsumerSmallBufffer() throws Exception {
final HttpHost target = start();
for (int i = 0; i < 5; i++) {
final HttpAsyncRequestProducer httpget = HttpAsyncMethods.createGet(target.toURI() + "/random/20480");
final AsyncByteConsumer<Long> consumer = new ByteCountingConsumer(512);
final Future<Long> future = this.httpclient.execute(httpget, consumer, null);
final Long count = future.get();
Assert.assertEquals(20480, count.longValue());
}
}
static class BufferingCharConsumer extends AsyncCharConsumer<String> {
public BufferingCharConsumer() {
super();
}
public BufferingCharConsumer(final int bufSize) {
super(bufSize);
}
private final StringBuilder sb = new StringBuilder();
@Override
public void onResponseReceived(final HttpResponse response) {
}
@Override
protected void onCharReceived(final CharBuffer buf, final IOControl ioctrl) throws IOException {
while (buf.hasRemaining()) {
this.sb.append(buf.get());
}
}
@Override
protected void releaseResources() {
super.releaseResources();
this.sb.setLength(0);
}
@Override
protected String buildResult(final HttpContext context) throws Exception {
return this.sb.toString();
}
}
@Test
public void testCharConsumer() throws Exception {
final HttpHost target = start();
final StringBuilder sb = new StringBuilder();
for (int i= 0; i < 25; i++) {
sb.append("blah blah blah blah\r\n");
sb.append("yada yada yada yada\r\n");
}
final String s = sb.toString();
for (int i = 0; i < 5; i++) {
final HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", Consts.ASCII));
final AsyncCharConsumer<String> consumer = new BufferingCharConsumer();
final Future<String> future = this.httpclient.execute(httppost, consumer, null);
final String result = future.get();
Assert.assertEquals(s, result);
}
}
@Test
public void testCharConsumerSmallBufffer() throws Exception {
final HttpHost target = start();
final StringBuilder sb = new StringBuilder();
for (int i= 0; i < 25; i++) {
sb.append("blah blah blah blah\r\n");
sb.append("yada yada yada yada\r\n");
}
final String s = sb.toString();
for (int i = 0; i < 5; i++) {
final HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", Consts.ASCII));
final AsyncCharConsumer<String> consumer = new BufferingCharConsumer(512);
final Future<String> future = this.httpclient.execute(httppost, consumer, null);
final String result = future.get();
Assert.assertEquals(s, result);
}
}
@Test
public void testResourceReleaseOnSuccess() throws Exception {
final HttpHost target = start();
final StringBuilder sb = new StringBuilder();
for (int i= 0; i < 25; i++) {
sb.append("blah blah blah blah\r\n");
sb.append("yada yada yada yada\r\n");
}
final String s = sb.toString();
final HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", Consts.ASCII));
final BufferingCharConsumer consumer = Mockito.spy(new BufferingCharConsumer());
final Future<String> future = this.httpclient.execute(httppost, consumer, null);
final String result = future.get();
Assert.assertEquals(s, result);
Mockito.verify(consumer).buildResult(Mockito.any(HttpContext.class));
Mockito.verify(consumer).releaseResources();
}
@Test
public void testResourceReleaseOnException() throws Exception {
final HttpHost target = start();
final HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
target.toURI() + "/echo/stuff", "stuff",
ContentType.create("text/plain", Consts.ASCII));
final AsyncCharConsumer<String> consumer = Mockito.spy(new BufferingCharConsumer());
Mockito.doThrow(new IOException("Kaboom")).when(consumer).onCharReceived(
Mockito.any(CharBuffer.class), Mockito.any(IOControl.class));
final Future<String> future = this.httpclient.execute(httppost, consumer, null);
try {
future.get();
Assert.fail("ExecutionException expected");
} catch (final ExecutionException ex) {
final Throwable t = ex.getCause();
Assert.assertNotNull(t);
Assert.assertTrue(t instanceof IOException);
Assert.assertEquals("Kaboom", t.getMessage());
}
Mockito.verify(consumer).releaseResources();
}
@Test
public void testResourceReleaseOnBuildFailure() throws Exception {
final HttpHost target = start();
final HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
target.toURI() + "/echo/stuff", "stuff",
ContentType.create("text/plain", Consts.ASCII));
final BufferingCharConsumer consumer = Mockito.spy(new BufferingCharConsumer());
Mockito.doThrow(new HttpException("Kaboom")).when(consumer).buildResult(Mockito.any(HttpContext.class));
final Future<String> future = this.httpclient.execute(httppost, consumer, null);
try {
future.get();
Assert.fail("ExecutionException expected");
} catch (final ExecutionException ex) {
final Throwable t = ex.getCause();
Assert.assertNotNull(t);
Assert.assertTrue(t instanceof HttpException);
Assert.assertEquals("Kaboom", t.getMessage());
}
Mockito.verify(consumer).releaseResources();
}
}