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* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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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.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.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.entity.ContentType;
import org.apache.http.localserver.AsyncHttpTestBase;
import org.apache.http.nio.ContentDecoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.client.HttpAsyncRequestProducer;
import org.apache.http.protocol.HTTP;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
public class TestAsyncConsumers extends AsyncHttpTestBase {
static class ByteCountingConsumer extends AsyncByteConsumer<Long> {
public ByteCountingConsumer() {
super();
}
public ByteCountingConsumer(int bufSize) {
super(bufSize);
}
private AtomicLong count = new AtomicLong(0);
@Override
protected void onResponseReceived(final HttpResponse response) {
}
@Override
protected void onByteReceived(final ByteBuffer buf, final IOControl ioctrl) throws IOException {
this.count.addAndGet(buf.remaining());
}
@Override
protected void onCleanup() {
}
@Override
protected Long buildResult() throws Exception {
return count.get();
}
}
@Test
public void testByteConsumer() throws Exception {
for (int i = 0; i < 5; i++) {
HttpAsyncRequestProducer httpget = HttpAsyncMethods.createGet(this.target.toURI() + "/random/20480");
AsyncByteConsumer<Long> consumer = new ByteCountingConsumer();
Future<Long> future = this.httpclient.execute(httpget, consumer, null);
Long count = future.get();
Assert.assertEquals(20480, count.longValue());
}
}
@Test
public void testByteConsumerSmallBufffer() throws Exception {
for (int i = 0; i < 5; i++) {
HttpAsyncRequestProducer httpget = HttpAsyncMethods.createGet(this.target.toURI() + "/random/20480");
AsyncByteConsumer<Long> consumer = new ByteCountingConsumer(512);
Future<Long> future = this.httpclient.execute(httpget, consumer, null);
Long count = future.get();
Assert.assertEquals(20480, count.longValue());
}
}
static class BufferingCharConsumer extends AsyncCharConsumer<String> {
public BufferingCharConsumer() {
super();
}
public BufferingCharConsumer(int bufSize) {
super(bufSize);
}
private StringBuilder sb = new StringBuilder();
@Override
protected 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 onCleanup() {
this.sb.setLength(0);
}
@Override
protected String buildResult() throws Exception {
return this.sb.toString();
}
}
@Test
public void testCharConsumer() throws Exception {
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");
}
String s = sb.toString();
for (int i = 0; i < 5; i++) {
HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
this.target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", HTTP.ASCII));
AsyncCharConsumer<String> consumer = new BufferingCharConsumer();
Future<String> future = this.httpclient.execute(httppost, consumer, null);
String result = future.get();
Assert.assertEquals(s, result);
}
}
@Test
public void testCharConsumerSmallBufffer() throws Exception {
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");
}
String s = sb.toString();
for (int i = 0; i < 5; i++) {
HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
this.target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", HTTP.ASCII));
AsyncCharConsumer<String> consumer = new BufferingCharConsumer(512);
Future<String> future = this.httpclient.execute(httppost, consumer, null);
String result = future.get();
Assert.assertEquals(s, result);
}
}
@Test
public void testResourceReleaseOnSuccess() throws Exception {
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");
}
String s = sb.toString();
HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
this.target.toURI() + "/echo/stuff", s,
ContentType.create("text/plain", HTTP.ASCII));
AsyncCharConsumer<String> consumer = Mockito.spy(new BufferingCharConsumer());
Future<String> future = this.httpclient.execute(httppost, consumer, null);
String result = future.get();
Assert.assertEquals(s, result);
Mockito.verify(consumer).responseCompleted();
Mockito.verify(consumer).buildResult();
Mockito.verify(consumer).releaseResources();
Mockito.verify(consumer).onCleanup();
}
@Test
public void testResourceReleaseOnException() throws Exception {
HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
this.target.toURI() + "/echo/stuff", "stuff",
ContentType.create("text/plain", HTTP.ASCII));
AsyncCharConsumer<String> consumer = Mockito.spy(new BufferingCharConsumer());
Mockito.doThrow(new IOException("Kaboom")).when(consumer).consumeContent(
Mockito.any(ContentDecoder.class), Mockito.any(IOControl.class));
Future<String> future = this.httpclient.execute(httppost, consumer, null);
try {
future.get();
Assert.fail("ExecutionException expected");
} catch (ExecutionException ex) {
Throwable t = ex.getCause();
Assert.assertNotNull(t);
Assert.assertTrue(t instanceof IOException);
Assert.assertEquals("Kaboom", t.getMessage());
}
Mockito.verify(consumer).failed(Mockito.any(IOException.class));
Mockito.verify(consumer).releaseResources();
Mockito.verify(consumer).onCleanup();
}
@Test
public void testResourceReleaseOnBuildFailure() throws Exception {
HttpAsyncRequestProducer httppost = HttpAsyncMethods.createPost(
this.target.toURI() + "/echo/stuff", "stuff",
ContentType.create("text/plain", HTTP.ASCII));
AsyncCharConsumer<String> consumer = Mockito.spy(new BufferingCharConsumer());
Mockito.doThrow(new HttpException("Kaboom")).when(consumer).buildResult();
Future<String> future = this.httpclient.execute(httppost, consumer, null);
try {
future.get();
Assert.fail("ExecutionException expected");
} catch (ExecutionException ex) {
Throwable t = ex.getCause();
Assert.assertNotNull(t);
Assert.assertTrue(t instanceof HttpException);
Assert.assertEquals("Kaboom", t.getMessage());
}
Mockito.verify(consumer).responseCompleted();
Mockito.verify(consumer).releaseResources();
Mockito.verify(consumer).onCleanup();
}
}