/*
* Copyright (c) 2008-2014 the original author or authors.
*
* 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 org.cometd.client;
import java.util.HashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import org.cometd.bayeux.Message;
import org.cometd.bayeux.client.ClientSessionChannel;
import org.cometd.bayeux.server.BayeuxServer;
import org.cometd.bayeux.server.ServerChannel;
import org.cometd.bayeux.server.ServerMessage;
import org.cometd.bayeux.server.ServerSession;
import org.cometd.server.DefaultSecurityPolicy;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
public class BayeuxClientCallbacksTest extends ClientServerTest
{
@Before
public void init() throws Exception
{
startServer(null);
}
@Test
public void testHandshakeCallback() throws Exception
{
BayeuxClient client = newBayeuxClient();
final CountDownLatch latch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
latch.countDown();
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testHandshakeCallbackIsInvokedOnReHandshake() throws Exception
{
final AtomicBoolean canHandshake = new AtomicBoolean();
bayeux.setSecurityPolicy(new DefaultSecurityPolicy()
{
@Override
public boolean canHandshake(BayeuxServer server, ServerSession session, ServerMessage message)
{
if (canHandshake.compareAndSet(false, true))
{
message.getAssociated().getAdvice(true).put(Message.RECONNECT_FIELD, Message.RECONNECT_HANDSHAKE_VALUE);
return false;
}
return true;
}
});
BayeuxClient client = newBayeuxClient();
final CountDownLatch successLatch = new CountDownLatch(1);
final CountDownLatch failureLatch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
if (message.isSuccessful())
successLatch.countDown();
else
failureLatch.countDown();
}
});
Assert.assertTrue(failureLatch.await(5, TimeUnit.SECONDS));
Assert.assertTrue(successLatch.await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testDisconnectCallback() throws Exception
{
final BayeuxClient client = newBayeuxClient();
final CountDownLatch latch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
client.disconnect(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
latch.countDown();
}
});
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@Test
public void testSubscriptionAllowedInvokesCallback() throws Exception
{
final BayeuxClient client = newBayeuxClient();
final String channelName = "/bar";
final CountDownLatch latch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
client.getChannel(channelName).subscribe(new MessageListenerAdapter(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
latch.countDown();
}
});
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testSubscriptionDeniedInvokesCallback() throws Exception
{
final String channelName = "/bar";
bayeux.setSecurityPolicy(new DefaultSecurityPolicy()
{
@Override
public boolean canSubscribe(BayeuxServer server, ServerSession session, ServerChannel channel, ServerMessage message)
{
return !channel.getId().equals(channelName);
}
});
final BayeuxClient client = newBayeuxClient();
final CountDownLatch latch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
client.getChannel(channelName).subscribe(new MessageListenerAdapter(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
latch.countDown();
}
});
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testUnsubscriptionInvokesCallback() throws Exception
{
final BayeuxClient client = newBayeuxClient();
final String channelName = "/bar";
final CountDownLatch latch = new CountDownLatch(1);
client.handshake(new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
final MessageListenerAdapter listener = new MessageListenerAdapter();
client.getChannel(channelName).subscribe(listener, new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
client.getChannel(channelName).unsubscribe(listener, new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
latch.countDown();
}
});
}
});
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testPublishSuccessfulInvokesCallback() throws Exception
{
BayeuxClient client = newBayeuxClient();
client.handshake();
assertTrue(client.waitFor(5000, BayeuxClient.State.CONNECTED));
final AtomicReference<CountDownLatch> latch = new AtomicReference<>(new CountDownLatch(1));
ClientSessionChannel channel = client.getChannel("/test");
channel.publish(new HashMap(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
Assert.assertTrue(message.isSuccessful());
latch.get().countDown();
}
});
Assert.assertTrue(latch.get().await(5, TimeUnit.SECONDS));
// Publish again without callback, must not trigger the previous callback
latch.set(new CountDownLatch(1));
channel.publish(new HashMap());
Assert.assertFalse(latch.get().await(1, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testPublishNotAllowedInvokesCallback() throws Exception
{
bayeux.setSecurityPolicy(new DefaultSecurityPolicy()
{
@Override
public boolean canPublish(BayeuxServer server, ServerSession session, ServerChannel channel, ServerMessage message)
{
return false;
}
});
BayeuxClient client = newBayeuxClient();
client.handshake();
assertTrue(client.waitFor(5000, BayeuxClient.State.CONNECTED));
final AtomicReference<CountDownLatch> latch = new AtomicReference<>(new CountDownLatch(1));
ClientSessionChannel channel = client.getChannel("/test");
channel.publish(new HashMap(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
Assert.assertFalse(message.isSuccessful());
latch.get().countDown();
}
});
Assert.assertTrue(latch.get().await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testPublishFailedInvokesCallback() throws Exception
{
bayeux.setSecurityPolicy(new DefaultSecurityPolicy()
{
@Override
public boolean canHandshake(BayeuxServer server, ServerSession session, ServerMessage message)
{
return false;
}
});
BayeuxClient client = newBayeuxClient();
client.handshake();
final AtomicReference<CountDownLatch> latch = new AtomicReference<>(new CountDownLatch(1));
ClientSessionChannel channel = client.getChannel("/test");
channel.publish(new HashMap(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
Assert.assertFalse(message.isSuccessful());
latch.get().countDown();
}
});
Assert.assertTrue(latch.get().await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
@Test
public void testPublishWithServerDownInvokesCallback() throws Exception
{
BayeuxClient client = newBayeuxClient();
client.handshake();
assertTrue(client.waitFor(5000, BayeuxClient.State.CONNECTED));
server.stop();
final AtomicReference<CountDownLatch> latch = new AtomicReference<CountDownLatch>(new CountDownLatch(1));
ClientSessionChannel channel = client.getChannel("/test");
channel.publish(new HashMap(), new ClientSessionChannel.MessageListener()
{
public void onMessage(ClientSessionChannel channel, Message message)
{
Assert.assertFalse(message.isSuccessful());
latch.get().countDown();
}
});
Assert.assertTrue(latch.get().await(5, TimeUnit.SECONDS));
disconnectBayeuxClient(client);
}
private class MessageListenerAdapter implements ClientSessionChannel.MessageListener
{
public void onMessage(ClientSessionChannel channel, Message message)
{
}
}
}