content: /**
   * 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.bugs;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  
  import jakarta.jms.Connection;
  import jakarta.jms.Destination;
  import jakarta.jms.Message;
  import jakarta.jms.MessageProducer;
  import jakarta.jms.Session;
  import javax.management.ObjectName;
  import org.apache.activemq.ActiveMQConnectionFactory;
  import org.apache.activemq.broker.BrokerService;
  import org.apache.activemq.broker.jmx.BrokerView;
  import org.apache.activemq.broker.jmx.QueueViewMBean;
  import org.apache.activemq.command.ActiveMQQueue;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests to ensure when the temp usage limit is updated on the broker the queues also have their
   * temp usage limits automatically updated.
   */
  public class AMQ7085Test
  {
      private BrokerService brokerService;
      private String testQueueName = "testAMQ7085Queue";
      private ActiveMQQueue queue = new ActiveMQQueue(testQueueName);
  
      @Before
      public void setUp() throws Exception {
          brokerService = new BrokerService();
          brokerService.setPersistent(false);
          brokerService.setUseJmx(true);
          String connectionUri = brokerService.addConnector("tcp://localhost:0").getPublishableConnectString();
          brokerService.start();
          brokerService.waitUntilStarted();
  
          ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(connectionUri);
          final Connection conn = connectionFactory.createConnection();
          try {
              conn.start();
              final Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
              final Destination queue = session.createQueue(testQueueName);
              final Message toSend = session.createMessage();
              toSend.setStringProperty("foo", "bar");
              final MessageProducer producer = session.createProducer(queue);
              producer.send(queue, toSend);
          } finally {
              conn.close();
          }
      }
  
      @After
      public void tearDown() throws Exception {
          brokerService.stop();
          brokerService.waitUntilStopped();
      }
  
      @Test
      public void testQueueTempUsageWhenSetExplicitly() throws Exception {
          ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Queue,destinationName=" + queue.getQueueName());
          QueueViewMBean queueViewMBean = (QueueViewMBean) brokerService.getManagementContext().newProxyInstance(
                  queueViewMBeanName, QueueViewMBean.class, true);
  
          // Check that by default the queue's temp limit is the same as the broker's.
          BrokerView brokerView = brokerService.getAdminView();
          long brokerTempLimit = brokerView.getTempLimit();
          assertEquals(brokerTempLimit, queueViewMBean.getTempUsageLimit());
  
          // Change the queue's temp limit independently of the broker's setting and check the broker's limit does not
          // change.
          long queueTempLimit = brokerTempLimit + 111;
          queueViewMBean.setTempUsageLimit(queueTempLimit);
          assertEquals(queueViewMBean.getTempUsageLimit(), queueTempLimit);
          assertEquals(brokerView.getTempLimit(), brokerTempLimit);
  
          // Now increase the broker's temp limit.  Since the queue's limit was explicitly changed it should remain
          // unchanged.
          long newBrokerTempLimit = brokerTempLimit + 555;
          brokerView.setTempLimit(newBrokerTempLimit);
          assertEquals(brokerView.getTempLimit(), newBrokerTempLimit);
          assertEquals(queueViewMBean.getTempUsageLimit(), queueTempLimit);
  
          //Verify that TempUsage is cleaned up on Queue stop
          brokerService.getDestination(queue).stop();
          assertFalse(brokerService.getDestination(queue).getTempUsage().isStarted());
      }
  
      @Test
      public void testQueueTempUsageWhenBrokerTempUsageUpdated() throws Exception {
          ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Queue,destinationName=" + queue.getQueueName());
          QueueViewMBean queueViewMBean = (QueueViewMBean) brokerService.getManagementContext().newProxyInstance(
                  queueViewMBeanName, QueueViewMBean.class, true);
  
          // Check that by default the queue's temp limit is the same as the broker's.
          BrokerView brokerView = brokerService.getAdminView();
          long brokerTempLimit = brokerView.getTempLimit();
          assertEquals(brokerTempLimit, queueViewMBean.getTempUsageLimit());
  
          // Increase the broker's temp limit and check the queue's limit is updated to the same value.
          long newBrokerTempLimit = brokerTempLimit + 555;
          brokerView.setTempLimit(newBrokerTempLimit);
          assertEquals(brokerView.getTempLimit(), newBrokerTempLimit);
          assertEquals(queueViewMBean.getTempUsageLimit(), newBrokerTempLimit);
  
          //Verify that TempUsage is cleaned up on Queue stop
          brokerService.getDestination(queue).stop();
          assertFalse(brokerService.getDestination(queue).getTempUsage().isStarted());
      }
  }
  