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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,
* 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.apache.qpid.server.virtualhost;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.XMLConfiguration;
import org.apache.qpid.server.configuration.ServerConfiguration;
import org.apache.qpid.server.exchange.Exchange;
import org.apache.qpid.server.queue.AMQQueue;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.store.TestableMemoryMessageStore;
import org.apache.qpid.server.util.TestApplicationRegistry;
import org.apache.qpid.test.utils.QpidTestCase;
public class VirtualHostImplTest extends QpidTestCase
{
private ServerConfiguration _configuration;
private ApplicationRegistry _registry;
@Override
public void tearDown() throws Exception
{
super.tearDown();
ApplicationRegistry.remove();
}
/**
* Tests that custom routing keys for the queue specified in the configuration
* file are correctly bound to the exchange (in addition to the queue name)
*/
public void testSpecifyingCustomBindings() throws Exception
{
customBindingTestImpl(new String[]{"custom1","custom2"});
}
/**
* Tests that a queue specified in the configuration file to be bound to a
* specified(non-default) direct exchange is a correctly bound to the exchange
* and the default exchange using the queue name.
*/
public void testQueueSpecifiedInConfigurationIsBoundToDefaultExchange() throws Exception
{
customBindingTestImpl(new String[0]);
}
private void customBindingTestImpl(final String[] routingKeys) throws Exception
{
String exchangeName = getName() +".direct";
String vhostName = getName();
String queueName = getName();
File config = writeConfigFile(vhostName, queueName, exchangeName, false, routingKeys);
VirtualHost vhost = createVirtualHost(vhostName, config);
assertNotNull("virtualhost should exist", vhost);
AMQQueue queue = vhost.getQueueRegistry().getQueue(queueName);
assertNotNull("queue should exist", queue);
Exchange defaultExch = vhost.getExchangeRegistry().getDefaultExchange();
assertTrue("queue should have been bound to default exchange with its name", defaultExch.isBound(queueName, queue));
Exchange exch = vhost.getExchangeRegistry().getExchange(exchangeName);
assertTrue("queue should have been bound to " + exchangeName + " with its name", exch.isBound(queueName, queue));
for(String key: routingKeys)
{
assertTrue("queue should have been bound to " + exchangeName + " with key " + key, exch.isBound(key, queue));
}
}
/**
* Tests that specifying custom routing keys for a queue in the configuration file results in failure
* to create the vhost (since this is illegal, only queue names are used with the default exchange)
*/
public void testSpecifyingCustomBindingForDefaultExchangeThrowsException() throws Exception
{
File config = writeConfigFile(getName(), getName(), null, false, new String[]{"custom-binding"});
try
{
createVirtualHost(getName(), config);
fail("virtualhost creation should have failed due to illegal configuration");
}
catch (ConfigurationException e)
{
//expected
}
}
/**
* Tests that specifying an unknown exchange to bind the queue to results in failure to create the vhost
*/
public void testSpecifyingUnknownExchangeThrowsException() throws Exception
{
File config = writeConfigFile(getName(), getName(), "made-up-exchange", true, new String[0]);
try
{
createVirtualHost(getName(), config);
fail("virtualhost creation should have failed due to illegal configuration");
}
catch (ConfigurationException e)
{
//expected
}
}
private VirtualHost createVirtualHost(String vhostName, File config) throws Exception
{
_configuration = new ServerConfiguration(new XMLConfiguration(config));
_registry = new TestApplicationRegistry(_configuration);
ApplicationRegistry.initialise(_registry);
return _registry.getVirtualHostRegistry().getVirtualHost(vhostName);
}
/**
* Create a configuration file for testing virtualhost creation
*
* @param vhostName name of the virtualhost
* @param queueName name of the queue
* @param exchangeName name of a direct exchange to declare (unless dontDeclare = true) and bind the queue to (null = none)
* @param dontDeclare if true then dont declare the exchange, even if its name is non-null
* @param routingKeys routingKeys to bind the queue with (empty array = none)
* @return
*/
private File writeConfigFile(String vhostName, String queueName, String exchangeName, boolean dontDeclare, String[] routingKeys)
{
File tmpFile = null;
try
{
tmpFile = File.createTempFile(getName(), ".tmp");
tmpFile.deleteOnExit();
FileWriter fstream = new FileWriter(tmpFile);
BufferedWriter writer = new BufferedWriter(fstream);
//extra outer tag to please Commons Configuration
writer.write("<configuration>");
writer.write("<virtualhosts>");
writer.write(" <default>" + vhostName + "</default>");
writer.write(" <virtualhost>");
writer.write(" <store>");
writer.write(" <class>" + TestableMemoryMessageStore.class.getName() + "</class>");
writer.write(" </store>");
writer.write(" <name>" + vhostName + "</name>");
writer.write(" <" + vhostName + ">");
if(exchangeName != null && !dontDeclare)
{
writer.write(" <exchanges>");
writer.write(" <exchange>");
writer.write(" <type>direct</type>");
writer.write(" <name>" + exchangeName + "</name>");
writer.write(" </exchange>");
writer.write(" </exchanges>");
}
writer.write(" <queues>");
writer.write(" <queue>");
writer.write(" <name>" + queueName + "</name>");
writer.write(" <" + queueName + ">");
if(exchangeName != null)
{
writer.write(" <exchange>" + exchangeName + "</exchange>");
}
for(String routingKey: routingKeys)
{
writer.write(" <routingKey>" + routingKey + "</routingKey>");
}
writer.write(" </" + queueName + ">");
writer.write(" </queue>");
writer.write(" </queues>");
writer.write(" </" + vhostName + ">");
writer.write(" </virtualhost>");
writer.write("</virtualhosts>");
writer.write("</configuration>");
writer.flush();
writer.close();
}
catch (IOException e)
{
fail("Unable to create virtualhost configuration");
}
return tmpFile;
}
}
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