Package org.apache.qpid.server.logging

Source Code of org.apache.qpid.server.logging.ExchangeLoggingTest

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*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* 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.logging;

import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQSession_0_10;
import org.apache.qpid.framing.AMQFrame;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.ExchangeDeleteBody;
import org.apache.qpid.framing.ExchangeDeleteOkBody;
import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Queue;
import javax.jms.Session;
import java.io.IOException;
import java.util.List;

/**
* Exchange
*
* The Exchange test suite validates that the follow log messages as specified in the Functional Specification.
*
* This suite of tests validate that the Exchange messages occur correctly and according to the following format:
*
* EXH-1001 : Create : [Durable] Type:<value> Name:<value>
* EXH-1002 : Deleted
*/
public class ExchangeLoggingTest extends AbstractTestLogging
{

    static final String EXH_PREFIX = "EXH-";

    Connection _connection;
    Session _session;
    Queue _queue;
    String _name;
    String _type;

    @Override
    public void setUp() throws Exception
    {
        super.setUp();

        _connection = getConnection();

        _session = _connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

        _type = "direct";
        _name = getTestQueueName()+ "-exchange";

        _queue = _session.createQueue(_type + "://" + _name + "/queue/queue");

    }

    /**
     * Description:
     * When a durable exchange is created an EXH-1001 message is logged with the Durable tag. This will be the first message from this exchange.
     * Input:
     *
     * 1. Running broker
     * 2. Client requests a durable exchange be created.
     * Output:
     *
     * <date> EXH-1001 : Create : Durable Type:<value> Name:<value>
     *
     * Validation Steps:
     * 3. The EXH ID is correct
     * 4. The Durable tag is present in the message
     */

    public void testExchangeCreateDurable() throws JMSException, IOException
    {
        // The client cannot create durable exchanges lets just look at the
        // ones the broker creates at startup.

        // They should all be durable

        // Ensure we have received the EXH log msg.
        waitForMessage("EXH-1001");

        List<String> results = findMatches(EXH_PREFIX);

        assertTrue("No Results found for Exchange.", results.size()>0);

        validateExchangeCreate(results, true, false);
    }

    /**
     * Description:
     * When an exchange is created an EXH-1001 message is logged. This will be the first message from this exchange.
     * Input:
     *
     * 1. Running broker
     * 2. Client requests an exchange be created.
     * Output:
     *
     * <date> EXH-1001 : Create : Type:<value> Name:<value>
     *
     * Validation Steps:
     * 3. The EXH ID is correct
     */
    public void testExchangeCreate() throws JMSException, IOException
    {
        //Ignore broker startup messages
        _monitor.reset();

        _session.createConsumer(_queue);
        // Ensure we have received the EXH log msg.
        waitForMessage("EXH-1001");

        List<String> results = findMatches(EXH_PREFIX);

        assertEquals("Result set larger than expected.", 1, results.size());

        validateExchangeCreate(results, false, true);
    }

    private void validateExchangeCreate(List<String> results, boolean durable, boolean checkNameAndType)
    {
        String log = getLogMessage(results, 0);
        String message = getMessageString(fromMessage(log));
       
        validateMessageID("EXH-1001", log);
       
        assertTrue("Log Message does not start with create:" + message,
                   message.startsWith("Create"));

        assertEquals("Unexpected Durable state:" + message, durable,
                message.contains("Durable"));
       
        if(checkNameAndType)
        {
            assertTrue("Log Message does not contain Type:" + message,
                    message.contains("Type: " + _type));
            assertTrue("Log Message does not contain Name:" + message,
                    message.contains("Name: " + _name));
        }
    }

    /**
     * Description:
     * An Exchange can be deleted through an AMQP ExchangeDelete method. When this is successful an EXH-1002 Delete message will be logged. This will be the last message from this exchange.
     * Input:
     *
     * 1. Running broker
     * 2. A new Exchange has been created
     * 3. Client requests that the new exchange be deleted.
     * Output:
     *
     * <date> EXH-1002 : Deleted
     *
     * Validation Steps:
     * 4. The EXH ID is correct
     * 5. There is a corresponding EXH-1001 Create message logged.
     */
    public void testExchangeDelete() throws Exception, IOException
    {
        //Ignore broker startup messages
        _monitor.reset();

        //create the exchange by creating a consumer
        _session.createConsumer(_queue);

        //now delete the exchange
        if(isBroker010())
        {
            ((AMQSession_0_10) _session).sendExchangeDelete(_name, false);
        }
        else
        {
            MethodRegistry_8_0 registry = new MethodRegistry_8_0();

            ExchangeDeleteBody body = registry.createExchangeDeleteBody(0, new AMQShortString(_name), false, true);

            AMQFrame exchangeDeclare = body.generateFrame(0);

            ((AMQConnection) _connection).getProtocolHandler().syncWrite(exchangeDeclare, ExchangeDeleteOkBody.class);
        }

        //Wait and ensure we get our last EXH-1002 msg
        waitForMessage("EXH-1002");

        List<String> results = findMatches(EXH_PREFIX);

        assertEquals("Result set larger than expected.", 2, results.size());

        validateExchangeCreate(results, false, false);

        String log = getLogMessage(results, 1);
        validateMessageID("EXH-1002", log);

        String message = getMessageString(fromMessage(log));
        assertEquals("Log Message not as expected", "Deleted", message);

    }

}
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