Package org.apache.qpid.server.queue

Source Code of org.apache.qpid.server.queue.AMQQueueMBeanTest

/*
*
* Licensed to the Apache Software Foundation (ASF) under one
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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,
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package org.apache.qpid.server.queue;

import junit.framework.TestCase;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.BasicContentHeaderProperties;
import org.apache.qpid.framing.ContentBody;
import org.apache.qpid.framing.abstraction.MessagePublishInfo;
import org.apache.qpid.framing.abstraction.ContentChunk;
import org.apache.qpid.server.AMQChannel;
import org.apache.qpid.server.RequiredDeliveryException;
import org.apache.qpid.server.subscription.Subscription;
import org.apache.qpid.server.subscription.SubscriptionFactory;
import org.apache.qpid.server.subscription.SubscriptionFactoryImpl;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.protocol.InternalTestProtocolSession;
import org.apache.qpid.server.virtualhost.VirtualHost;
import org.apache.qpid.server.registry.IApplicationRegistry;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.txn.TransactionalContext;
import org.apache.qpid.server.txn.NonTransactionalContext;
import org.apache.qpid.server.store.MessageStore;
import org.apache.qpid.server.store.StoreContext;
import org.apache.qpid.server.store.MemoryMessageStore;
import org.apache.qpid.server.store.TestableMemoryMessageStore;
import org.apache.mina.common.ByteBuffer;

import javax.management.JMException;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.Collections;

/**
* Test class to test AMQQueueMBean attribtues and operations
*/
public class AMQQueueMBeanTest extends TestCase
{
    private static long MESSAGE_SIZE = 1000;
    private AMQQueue _queue;
    private AMQQueueMBean _queueMBean;
    private MessageStore _messageStore;
    private StoreContext _storeContext = new StoreContext();
    private TransactionalContext _transactionalContext;
    private VirtualHost _virtualHost;
    private AMQProtocolSession _protocolSession;
    private static final SubscriptionFactoryImpl SUBSCRIPTION_FACTORY = SubscriptionFactoryImpl.INSTANCE;

    public void testMessageCountTransient() throws Exception
    {
        int messageCount = 10;
        sendMessages(messageCount, false);
        assertTrue(_queueMBean.getMessageCount() == messageCount);
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);
        long queueDepth = (messageCount * MESSAGE_SIZE) >> 10;
        assertTrue(_queueMBean.getQueueDepth() == queueDepth);

        _queueMBean.deleteMessageFromTop();
        assertTrue(_queueMBean.getMessageCount() == (messageCount - 1));
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);

        _queueMBean.clearQueue();
        assertEquals(0,(int)_queueMBean.getMessageCount());
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);

        //Ensure that the data has been removed from the Store
        verifyBrokerState();
    }

    public void testMessageCountPersistent() throws Exception
    {
        int messageCount = 10;
        sendMessages(messageCount, true);
        assertEquals("", messageCount, _queueMBean.getMessageCount().intValue());
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);
        long queueDepth = (messageCount * MESSAGE_SIZE) >> 10;
        assertTrue(_queueMBean.getQueueDepth() == queueDepth);

        _queueMBean.deleteMessageFromTop();
        assertTrue(_queueMBean.getMessageCount() == (messageCount - 1));
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);

        _queueMBean.clearQueue();
        assertTrue(_queueMBean.getMessageCount() == 0);
        assertTrue(_queueMBean.getReceivedMessageCount() == messageCount);

        //Ensure that the data has been removed from the Store
        verifyBrokerState();
    }

    // todo: collect to a general testing class -duplicated from Systest/MessageReturntest
    private void verifyBrokerState()
    {

        TestableMemoryMessageStore store = new TestableMemoryMessageStore((MemoryMessageStore) _virtualHost.getMessageStore());

        // Unlike MessageReturnTest there is no need for a delay as there this thread does the clean up.
        assertNotNull("ContentBodyMap should not be null", store.getContentBodyMap());      
        assertEquals("Expected the store to have no content:" + store.getContentBodyMap(), 0, store.getContentBodyMap().size());
        assertNotNull("MessageMetaDataMap should not be null", store.getMessageMetaDataMap());
        assertEquals("Expected the store to have no metadata:" + store.getMessageMetaDataMap(), 0, store.getMessageMetaDataMap().size());
    }

    public void testConsumerCount() throws AMQException
    {
       
        assertTrue(_queue.getActiveConsumerCount() == 0);
        assertTrue(_queueMBean.getActiveConsumerCount() == 0);


        InternalTestProtocolSession protocolSession = new InternalTestProtocolSession();
        AMQChannel channel = new AMQChannel(protocolSession, 1, _messageStore);
        protocolSession.addChannel(channel);

        Subscription subscription =
                SUBSCRIPTION_FACTORY.createSubscription(channel.getChannelId(), protocolSession, new AMQShortString("test"), false, null, false, channel.getCreditManager());
       
        _queue.registerSubscription(subscription, false);
        assertEquals(1,(int)_queueMBean.getActiveConsumerCount());


        SubscriptionFactory subscriptionFactory = SUBSCRIPTION_FACTORY;
        Subscription s1 = subscriptionFactory.createSubscription(channel.getChannelId(),
                                                                 protocolSession,
                                                                 new AMQShortString("S1"),
                                                                 false,
                                                                 null,
                                                                 true,
                channel.getCreditManager());

        Subscription s2 = subscriptionFactory.createSubscription(channel.getChannelId(),
                                                                 protocolSession,
                                                                 new AMQShortString("S2"),
                                                                 false,
                                                                 null,
                                                                 true,
                channel.getCreditManager());
        _queue.registerSubscription(s1,false);
        _queue.registerSubscription(s2,false);
        assertTrue(_queueMBean.getActiveConsumerCount() == 3);
        assertTrue(_queueMBean.getConsumerCount() == 3);

        s1.close();
        assertEquals(2, (int) _queueMBean.getActiveConsumerCount());
        assertTrue(_queueMBean.getConsumerCount() == 3);
    }

    public void testGeneralProperties()
    {
        long maxQueueDepth = 1000; // in bytes
        _queueMBean.setMaximumMessageCount(50000l);
        _queueMBean.setMaximumMessageSize(2000l);
        _queueMBean.setMaximumQueueDepth(maxQueueDepth);

        assertTrue(_queueMBean.getMaximumMessageCount() == 50000);
        assertTrue(_queueMBean.getMaximumMessageSize() == 2000);
        assertTrue(_queueMBean.getMaximumQueueDepth() == (maxQueueDepth >> 10));

        assertTrue(_queueMBean.getName().equals("testQueue"));
        assertTrue(_queueMBean.getOwner().equals("AMQueueMBeanTest"));
        assertFalse(_queueMBean.isAutoDelete());
        assertFalse(_queueMBean.isDurable());
    }

    public void testExceptions() throws Exception
    {
        try
        {
            _queueMBean.viewMessages(0, 3);
            fail();
        }
        catch (JMException ex)
        {

        }

        try
        {
            _queueMBean.viewMessages(2, 1);
            fail();
        }
        catch (JMException ex)
        {

        }

        try
        {
            _queueMBean.viewMessages(-1, 1);
            fail();
        }
        catch (JMException ex)
        {

        }

        IncomingMessage msg = message(false, false);
        long id = msg.getMessageId();
        _queue.clearQueue(_storeContext);
        ArrayList<AMQQueue> qs = new ArrayList<AMQQueue>();
        qs.add(_queue);
        msg.enqueue(qs);
        msg.routingComplete(_messageStore, new MessageHandleFactory());

        msg.addContentBodyFrame(new ContentChunk()
        {
            ByteBuffer _data = ByteBuffer.allocate((int)MESSAGE_SIZE);

            public int getSize()
            {
                return (int) MESSAGE_SIZE;
            }

            public ByteBuffer getData()
            {
                return _data;
            }

            public void reduceToFit()
            {

            }
        });
        msg.deliverToQueues();
//        _queue.process(_storeContext, new QueueEntry(_queue, msg), false);
        _queueMBean.viewMessageContent(id);
        try
        {
            _queueMBean.viewMessageContent(id + 1);
            fail();
        }
        catch (JMException ex)
        {

        }
    }

    private IncomingMessage message(final boolean immediate, boolean persistent) throws AMQException
    {
        MessagePublishInfo publish = new MessagePublishInfo()
        {

            public AMQShortString getExchange()
            {
                return null;
            }

            public void setExchange(AMQShortString exchange)
            {
                //To change body of implemented methods use File | Settings | File Templates.
            }

            public boolean isImmediate()
            {
                return immediate;
            }

            public boolean isMandatory()
            {
                return false;
            }

            public AMQShortString getRoutingKey()
            {
                return null;
            }
        };

        ContentHeaderBody contentHeaderBody = new ContentHeaderBody();
        contentHeaderBody.bodySize = MESSAGE_SIZE;   // in bytes
        contentHeaderBody.properties = new BasicContentHeaderProperties();
        ((BasicContentHeaderProperties) contentHeaderBody.properties).setDeliveryMode((byte) (persistent ? 2 : 1));
        IncomingMessage msg = new IncomingMessage(_messageStore.getNewMessageId(), publish, _transactionalContext,  _protocolSession);
        msg.setContentHeaderBody(contentHeaderBody);
        return msg;

    }

    @Override
    protected void setUp() throws Exception
    {
        super.setUp();
        IApplicationRegistry applicationRegistry = ApplicationRegistry.getInstance(1);
        _virtualHost = applicationRegistry.getVirtualHostRegistry().getVirtualHost("test");
        _messageStore = _virtualHost.getMessageStore();

        _transactionalContext = new NonTransactionalContext(_messageStore, _storeContext,
                                                            null,
                                                            new LinkedList<RequiredDeliveryException>()
        );

        _queue = AMQQueueFactory.createAMQQueueImpl(new AMQShortString("testQueue"), false, new AMQShortString("AMQueueMBeanTest"), false, _virtualHost,
                                                    null);
        _queueMBean = new AMQQueueMBean(_queue);

        _protocolSession = new InternalTestProtocolSession();
    }

    public void tearDown()
    {
        ApplicationRegistry.remove(1);
    }

    private void sendMessages(int messageCount, boolean persistent) throws AMQException
    {
        for (int i = 0; i < messageCount; i++)
        {
            IncomingMessage currentMessage = message(false, persistent);
            ArrayList<AMQQueue> qs = new ArrayList<AMQQueue>();
            qs.add(_queue);
            currentMessage.enqueue(qs);

            // route header
            currentMessage.routingComplete(_messageStore, new MessageHandleFactory());

            // Add the body so we have somthing to test later
            currentMessage.addContentBodyFrame(
                    _protocolSession.getMethodRegistry()
                                                       .getProtocolVersionMethodConverter()
                                                       .convertToContentChunk(
                                                       new ContentBody(ByteBuffer.allocate((int) MESSAGE_SIZE),
                                                                       MESSAGE_SIZE)));
            currentMessage.deliverToQueues();


        }
    }
}
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