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From cepo...@apache.org
Subject svn commit: r1478266 - /activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java
Date Thu, 02 May 2013 04:33:10 GMT
Author: ceposta
Date: Thu May  2 04:33:10 2013
New Revision: 1478266

URL: http://svn.apache.org/r1478266
Log:
test to help debug hawtio not being able to browse DLQ...

Added:
    activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java

Added: activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java?rev=1478266&view=auto
==============================================================================
--- activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java
(added)
+++ activemq/trunk/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/BrowseDLQTest.java
Thu May  2 04:33:10 2013
@@ -0,0 +1,109 @@
+/**
+ * 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.activemq.usecases;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.apache.activemq.broker.BrokerFactory;
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.broker.jmx.QueueViewMBean;
+import org.apache.activemq.broker.region.policy.PolicyEntry;
+import org.apache.activemq.broker.region.policy.PolicyMap;
+import org.apache.activemq.command.ActiveMQQueue;
+import org.junit.After;
+import org.junit.Test;
+
+import javax.jms.*;
+import javax.management.MalformedObjectNameException;
+import javax.management.ObjectName;
+import javax.management.openmbean.CompositeData;
+import javax.management.openmbean.OpenDataException;
+import javax.management.openmbean.TabularData;
+
+import java.util.concurrent.TimeUnit;
+
+import static junit.framework.Assert.assertNotNull;
+import static junit.framework.TestCase.assertTrue;
+
+/**
+ * @author <a href="http://www.christianposta.com/blog">Christian Posta</a>
+ */
+public class BrowseDLQTest {
+
+    private static final int NUM_MESSAGES = 100;
+    private BrokerService brokerService;
+    private ActiveMQQueue testQueue = new ActiveMQQueue("TEST.FOO");
+    private ActiveMQQueue dlq = new ActiveMQQueue("ActiveMQ.DLQ");
+
+    @Test
+    public void testCannotBrowseDLQAsTable() throws Exception {
+        startBroker();
+        // send 100 messages to queue with TTL of 1 second
+        sendMessagesToBeExpired();
+
+        // let's let the messages expire
+        TimeUnit.SECONDS.sleep(2);
+
+        assertCanBrowse();
+    }
+
+    private void assertCanBrowse() throws MalformedObjectNameException, OpenDataException
{
+        ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Queue,destinationName=ActiveMQ.DLQ");
+        QueueViewMBean queue = (QueueViewMBean)
+                brokerService.getManagementContext().newProxyInstance(queueViewMBeanName,
QueueViewMBean.class, true);
+        // make sure we have messages here
+        assertTrue(queue.getQueueSize() > 0);
+
+        CompositeData[] regularBrowse = queue.browse();
+        assertNotNull(regularBrowse);
+
+        TabularData tableData = queue.browseAsTable();
+        assertNotNull(tableData);
+
+    }
+
+
+
+    @After
+    public void tearDown() throws Exception {
+        brokerService.stop();
+        brokerService.waitUntilStopped();
+    }
+
+    private void startBroker() throws Exception {
+        brokerService = BrokerFactory.createBroker("broker:()/localhost?deleteAllMessagesOnStartup=true");
+
+        PolicyMap policyMap = new PolicyMap();
+        PolicyEntry policyEntry = new PolicyEntry();
+        policyEntry.setExpireMessagesPeriod(1000);
+        policyMap.setDefaultEntry(policyEntry);
+        brokerService.setDestinationPolicy(policyMap);
+        brokerService.start();
+        brokerService.waitUntilStarted();
+    }
+
+    private void sendMessagesToBeExpired() throws JMSException, InterruptedException {
+        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost");
+        Connection connection = factory.createConnection();
+        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        MessageProducer producer = session.createProducer(testQueue);
+        for (int i = 0; i < NUM_MESSAGES; i++) {
+            producer.send(testQueue,session.createTextMessage("Hello world #"  + i), DeliveryMode.PERSISTENT,
+                    4, 500);
+        }
+        connection.close();
+    }
+}



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