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.artemis.tests.integration.openwire.amq;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import javax.jms.JMSException;
  import javax.jms.Message;
  import javax.jms.MessageConsumer;
  import javax.jms.MessageProducer;
  import javax.jms.Queue;
  import javax.jms.Session;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.activemq.artemis.api.core.management.QueueControl;
  import org.apache.activemq.artemis.api.core.management.ResourceNames;
  import org.apache.activemq.artemis.tests.integration.openwire.BasicOpenWireTest;
  import org.apache.activemq.artemis.utils.Wait;
  import org.junit.jupiter.api.Test;
  
  /**
   * adapted from: org.apache.activemq.JmsClientAckTest
   */
  public class JmsClientAckTest extends BasicOpenWireTest {
  
     /**
      * Tests if acknowledged messages are being consumed.
      */
     @Test
     public void testAckedMessageAreConsumed() throws JMSException {
        connection.start();
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        Queue queue = session.createQueue(getQueueName());
        MessageProducer producer = session.createProducer(queue);
        producer.send(session.createTextMessage("Hello"));
  
        // Consume the message...
        MessageConsumer consumer = session.createConsumer(queue);
        Message msg = consumer.receive(1000);
        assertNotNull(msg);
        msg.acknowledge();
  
        // Reset the session.
        session.close();
        session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
        // Attempt to Consume the message...
        consumer = session.createConsumer(queue);
        msg = consumer.receive(1000);
        assertNull(msg);
  
        session.close();
     }
  
     /**
      * Tests if acknowledged messages are being consumed.
      */
     @Test
     public void testLastMessageAcked() throws JMSException {
        connection.start();
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        Queue queue = session.createQueue(getQueueName());
        MessageProducer producer = session.createProducer(queue);
        producer.send(session.createTextMessage("Hello"));
        producer.send(session.createTextMessage("Hello2"));
        producer.send(session.createTextMessage("Hello3"));
  
        // Consume the message...
        MessageConsumer consumer = session.createConsumer(queue);
        Message msg = consumer.receive(1000);
        assertNotNull(msg);
        msg = consumer.receive(1000);
        assertNotNull(msg);
        msg = consumer.receive(1000);
        assertNotNull(msg);
        msg.acknowledge();
  
        // Reset the session.
        session.close();
        session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
        // Attempt to Consume the message...
        consumer = session.createConsumer(queue);
        msg = consumer.receive(1000);
        assertNull(msg);
  
        session.close();
     }
  
     /**
      * Tests if unacknowledged messages are being re-delivered when the consumer connects again.
      */
     @Test
     public void testUnAckedMessageAreNotConsumedOnSessionClose() throws JMSException {
        connection.start();
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        Queue queue = session.createQueue(getQueueName());
        MessageProducer producer = session.createProducer(queue);
        producer.send(session.createTextMessage("Hello"));
  
        // Consume the message...
        MessageConsumer consumer = session.createConsumer(queue);
        Message msg = consumer.receive(1000);
        assertNotNull(msg);
        // Don't ack the message.
  
        // Reset the session. This should cause the unacknowledged message to be
        // re-delivered.
        session.close();
        session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
        // Attempt to Consume the message...
        consumer = session.createConsumer(queue);
        msg = consumer.receive(2000);
        assertNotNull(msg);
        msg.acknowledge();
  
        session.close();
     }
  
     /**
      * Tests if acknowledged messages are being consumed.
      */
     @Test
     public void testAckedMessageDeliveringWithPrefetch() throws Exception {
        final int prefetchSize = 10;
        final int messageCount = 5 * prefetchSize;
        connection.getPrefetchPolicy().setAll(prefetchSize);
        connection.start();
        Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        Queue queue = session.createQueue(getQueueName());
        QueueControl queueControl = (QueueControl)server.getManagementService().
           getResource(ResourceNames.QUEUE + queueName);
        MessageProducer producer = session.createProducer(queue);
        for (int i = 0; i < messageCount; i++) {
           producer.send(session.createTextMessage("MSG" + i));
        }
  
        // Consume the messages...
        Message msg;
        MessageConsumer consumer = session.createConsumer(queue);
  
        Wait.assertEquals(0L, () -> queueControl.getMessagesAcknowledged(), 3000, 100);
        Wait.assertEquals(prefetchSize, () -> queueControl.getDeliveringCount(), 3000, 100);
  
        List<Message> messages = new ArrayList<>();
        for (int i = 0; i < prefetchSize; i++) {
           msg = consumer.receive(1000);
           assertNotNull(msg);
           messages.add(msg);
        }
  
        Wait.assertEquals(0L, () -> queueControl.getMessagesAcknowledged(), 3000, 100);
        Wait.assertEquals(2 * prefetchSize, () -> queueControl.getDeliveringCount(), 3000, 100);
  
        for (int i = 0; i < prefetchSize; i++) {
           msg = messages.get(i);
           msg.acknowledge();
        }
  
        Wait.assertEquals((long) prefetchSize, () -> queueControl.getMessagesAcknowledged(), 3000, 100);
        Wait.assertEquals(prefetchSize, () -> queueControl.getDeliveringCount(), 3000, 100);
  
        for (int i = 0; i < messageCount - prefetchSize; i++) {
           msg = consumer.receive(1000);
           assertNotNull(msg);
           msg.acknowledge();
        }
  
        Wait.assertEquals((long)messageCount, () -> queueControl.getMessagesAcknowledged(), 3000, 100);
        Wait.assertEquals(0, () -> queueControl.getDeliveringCount(), 3000, 100);
  
        // Reset the session.
        session.close();
        session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
  
        // Attempt to Consume the message...
        consumer = session.createConsumer(queue);
        msg = consumer.receiveNoWait();
        assertNull(msg);
  
        session.close();
     }
  
     protected String getQueueName() {
        return queueName;
     }
  
  }
  