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ReconnectionTest.java
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ReconnectionTest.java
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/**
* Copyright (c) 2011-2012 Zauber S.A. <http://www.zaubersoftware.com/>
*
* 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 com.zaubersoftware.gnip4j.http;
import java.io.InputStream;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.io.IOUtils;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.junit.Assert;
import org.junit.Test;
import com.zaubersoftware.gnip4j.api.GnipStream;
import com.zaubersoftware.gnip4j.api.RemoteResourceProvider;
import com.zaubersoftware.gnip4j.api.StreamNotification;
import com.zaubersoftware.gnip4j.api.UriStrategy;
import com.zaubersoftware.gnip4j.api.exception.AuthenticationGnipException;
import com.zaubersoftware.gnip4j.api.exception.GnipException;
import com.zaubersoftware.gnip4j.api.exception.TransportGnipException;
import com.zaubersoftware.gnip4j.api.impl.DefaultGnipStream;
import com.zaubersoftware.gnip4j.api.impl.DefaultUriStrategy;
import com.zaubersoftware.gnip4j.api.model.Activity;
/**
* Re connection algorithm test
*
* @author Guido Marucci Blas
* @since May 9, 2011
*/
public final class ReconnectionTest {
private final UriStrategy uriStrategy = new DefaultUriStrategy();
/** test */
@Test//(timeout = 10000)
public void testReConnection() throws Exception {
// ignore framework warnings
final Logger root = Logger.getRootLogger();
root.setLevel(Level.OFF);
final AtomicInteger count = new AtomicInteger(0);
final DefaultGnipStream stream = new DefaultGnipStream(new MockRemoteResourceProvider(), "account", "stream", new MockExecutorService(), uriStrategy);
final StringBuilder out = new StringBuilder();
final StreamNotification n = new StreamNotification() {
@Override
public void notifyReConnectionError(final GnipException e) {
out.append(String.format("ReConnectionError: %s\n",
e.getMessage()));
}
@Override
public void notifyReConnectionAttempt(final int attempt,
final long waitTime) {
out.append(String.format(
"Connection attempt %d wait time %d\n", attempt,
waitTime));
}
@Override
public void notifyConnectionError(final TransportGnipException e) {
out.append(String.format("ConnectionError: %s\n",
e.getMessage()));
}
@Override
public void notify(final Activity activity, final GnipStream stream) {
out.append(activity.getBody() + "\n");
if (count.incrementAndGet() >= 4) {
stream.close();
}
}
};
stream.open(n);
stream.await();
final String s = out.toString();
final String expected = IOUtils.toString(getClass().getClassLoader()
.getResourceAsStream("reconnectlog.txt"));
Assert.assertEquals(expected, s);
Assert.assertEquals("transferedBytes = 8000\ntransferedActivities = 4\n"
+ "numberOfSucessfulReconnections = 1\nnumberOfReconnections = 4",
stream.getStreamStats().toString());
}
}
/** mock implementation */
class MockRemoteResourceProvider implements RemoteResourceProvider {
private final AtomicInteger i = new AtomicInteger();
private final List<Object []> responses = new ArrayList<Object []>();
/** Creates the MockRemoteResourceProvider. */
public MockRemoteResourceProvider() {
final ActivityNetworkExceptionInputStream instream = new ActivityNetworkExceptionInputStream(
"payload-example-2.js", 3525);
final ActivityNetworkExceptionInputStream instream2 = new ActivityNetworkExceptionInputStream(
"payload-example-2.js", 3525);
responses.add(new Object[]{200, "Ok", instream});
responses.add(new Object[]{505, "TEST!", null});
responses.add(new Object[]{505, "TEST!", null});
responses.add(new Object[]{505, "TEST!", null});
responses.add(new Object[]{200, "Ok", instream2});
}
@Override
public InputStream getResource(final URI uri)
throws AuthenticationGnipException, TransportGnipException {
final Object []response = responses.get(i.getAndIncrement());
final int statusCode = (Integer) response[0];
if (statusCode == 401) {
throw new AuthenticationGnipException(response[1].toString());
} else if (statusCode == 200) {
return (InputStream) response[2];
} else {
throw new TransportGnipException(
String.format("Connection to %s: Unexpected status code: %s %s",
uri, statusCode, response[1].toString()));
}
}
@Override
public void postResource(final URI uri, final Object resource) {
}
@Override
public void deleteResource(URI uri, Object resource)
throws AuthenticationGnipException, TransportGnipException {
// TODO Auto-generated method stub
}
}
class MockExecutorService implements ExecutorService {
@Override
public void execute(final Runnable command) {
command.run();
}
@Override
public <T> Future<T> submit(final Runnable task, final T result) {
execute(task);
return null;
}
@Override
public Future<?> submit(final Runnable task) {
execute(task);
return null;
}
@Override
public <T> Future<T> submit(final Callable<T> task) {
try {
task.call();
} catch (final Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
@Override
public List<Runnable> shutdownNow() {
return null;
}
@Override
public void shutdown() {
}
@Override
public boolean isTerminated() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isShutdown() {
// TODO Auto-generated method stub
return false;
}
@Override
public <T> T invokeAny(final Collection<? extends Callable<T>> tasks,
final long timeout, final TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> T invokeAny(final Collection<? extends Callable<T>> tasks)
throws InterruptedException, ExecutionException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> List<Future<T>> invokeAll(
final Collection<? extends Callable<T>> tasks, final long timeout,
final TimeUnit unit) throws InterruptedException {
// TODO Auto-generated method stub
return null;
}
@Override
public <T> List<Future<T>> invokeAll(
final Collection<? extends Callable<T>> tasks)
throws InterruptedException {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean awaitTermination(final long timeout, final TimeUnit unit)
throws InterruptedException {
// TODO Auto-generated method stub
return false;
}
}