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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
* 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
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package org.apache.qpid.systest.disttest.controlleronly;
import static org.apache.qpid.systest.disttest.SystemTestConstants.COMMAND_RESPONSE_TIMEOUT;
import static org.apache.qpid.systest.disttest.SystemTestConstants.REGISTRATION_TIMEOUT;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TemporaryQueue;
import org.apache.qpid.disttest.ConfigFileTestHelper;
import org.apache.qpid.disttest.controller.Controller;
import org.apache.qpid.disttest.controller.config.Config;
import org.apache.qpid.disttest.jms.ControllerJmsDelegate;
import org.apache.qpid.disttest.jms.JmsMessageAdaptor;
import org.apache.qpid.disttest.message.Command;
import org.apache.qpid.disttest.message.CommandType;
import org.apache.qpid.disttest.message.RegisterClientCommand;
import org.apache.qpid.disttest.message.Response;
import org.apache.qpid.systest.disttest.DistributedTestSystemTestBase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DistributedControllerTest extends DistributedTestSystemTestBase
{
private static final Logger LOGGER = LoggerFactory.getLogger(DistributedControllerTest.class);
private static final String CLIENT1 = "client1";
private Controller _controller = null;
private Session _session = null;
private Connection _connection = null;
private Destination _controllerQueue = null;
private TemporaryQueue _clientQueue = null;
@Override
protected void setUp() throws Exception
{
super.setUp();
_controllerQueue = (Destination) _context.lookup("controllerqueue");
final ConnectionFactory connectionFactory = (ConnectionFactory) _context.lookup("connectionfactory");
_connection = connectionFactory.createConnection();
_connection.start();
_session = _connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
_clientQueue = _session.createTemporaryQueue();
_controller = new Controller(new ControllerJmsDelegate(_context), REGISTRATION_TIMEOUT, COMMAND_RESPONSE_TIMEOUT);
}
@Override
protected void tearDown() throws Exception
{
try
{
if (_connection != null)
{
_connection.close();
}
}
finally
{
super.tearDown();
}
}
public void testControllerSendsOneCommandToSingleClient() throws Exception
{
Config config = ConfigFileTestHelper.getConfigFromResource(getClass(), "distributedControllerTest.json");
_controller.setConfig(config);
sendRegistration(CLIENT1);
_controller.awaitClientRegistrations();
final ArrayBlockingQueue<Command> commandList = new ArrayBlockingQueue<Command>(4);
final MessageConsumer clientConsumer = _session.createConsumer(_clientQueue);
final AtomicReference<Exception> listenerException = new AtomicReference<Exception>();
final MessageProducer producer = _session.createProducer(_controllerQueue);
clientConsumer.setMessageListener(new MessageListener()
{
@Override
public void onMessage(Message message)
{
try
{
Command command = JmsMessageAdaptor.messageToCommand(message);
LOGGER.debug("Test client received " + command);
commandList.add(command);
producer.send(JmsMessageAdaptor.commandToMessage(_session, new Response(CLIENT1, command.getType())));
}
catch(Exception e)
{
listenerException.set(e);
}
}
});
_controller.runAllTests();
assertCommandType(CommandType.CREATE_CONNECTION, commandList);
assertCommandType(CommandType.START_TEST, commandList);
assertCommandType(CommandType.TEAR_DOWN_TEST, commandList);
_controller.stopAllRegisteredClients();
assertCommandType(CommandType.STOP_CLIENT, commandList);
assertNull("Unexpected exception occured", listenerException.get());
Command command = commandList.poll(1l, TimeUnit.SECONDS);
assertNull("Unexpected command is received", command);
}
private void assertCommandType(CommandType expectedType, BlockingQueue<Command> commandList) throws InterruptedException
{
Command command = commandList.poll(1l, TimeUnit.SECONDS);
assertNotNull("Command of type " + expectedType + " is not received", command);
assertEquals("Unexpected command type", expectedType, command.getType());
}
private void sendRegistration(final String clientId) throws JMSException
{
final MessageProducer registrationProducer = _session.createProducer(_controllerQueue);
final Command command = new RegisterClientCommand(clientId, _clientQueue.getQueueName());
final Message registrationMessage = JmsMessageAdaptor.commandToMessage(_session, command);
registrationProducer.send(registrationMessage);
LOGGER.debug("sent registrationMessage: " + registrationMessage);
}
}