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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.activemq.artemis.tests.integration.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.api.core.client.ClientConsumer;
  import org.apache.activemq.artemis.api.core.client.ClientMessage;
  import org.apache.activemq.artemis.api.core.client.ClientProducer;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.Queue;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class QueueBrowserTest extends ActiveMQTestBase {
  
     private ActiveMQServer server;
  
     private final SimpleString QUEUE = SimpleString.of("ConsumerTestQueue");
  
     private ServerLocator locator;
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
  
        server = createServer(false);
  
        server.start();
  
        locator = createInVMNonHALocator();
     }
  
     private ClientSessionFactory sf;
  
     @Test
     public void testSimpleConsumerBrowser() throws Exception {
        locator.setBlockOnNonDurableSend(true);
  
        sf = createSessionFactory(locator);
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        consumer.close();
  
        consumer = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        consumer.close();
  
        session.close();
  
     }
  
     @Test
     public void testConsumerBrowserWithSelector() throws Exception {
  
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           message.putIntProperty(SimpleString.of("x"), i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, SimpleString.of("x >= 50"), true);
  
        for (int i = 50; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        consumer.close();
  
        consumer = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        consumer.close();
  
        session.close();
     }
  
     @Test
     public void testConsumerBrowserWithStringSelector() throws Exception {
  
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           if (i % 2 == 0) {
              message.putStringProperty(SimpleString.of("color"), SimpleString.of("RED"));
           }
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, SimpleString.of("color = 'RED'"), true);
  
        for (int i = 0; i < numMessages; i += 2) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        session.close();
  
     }
  
     @Test
     public void testConsumerMultipleBrowser() throws Exception {
  
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, null, true);
        ClientConsumer consumer2 = session.createConsumer(QUEUE, null, true);
        ClientConsumer consumer3 = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
           message2 = consumer2.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
           message2 = consumer3.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        session.close();
  
     }
  
     @Test
     public void testConsumerMultipleBrowserWithSelector() throws Exception {
  
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           message.putIntProperty(SimpleString.of("x"), i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, SimpleString.of("x < 50"), true);
        ClientConsumer consumer2 = session.createConsumer(QUEUE, SimpleString.of("x >= 50"), true);
        ClientConsumer consumer3 = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < 50; i++) {
           ClientMessage message2 = consumer.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
        for (int i = 50; i < numMessages; i++) {
           ClientMessage message2 = consumer2.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer3.receive(1000);
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
  
        session.close();
  
     }
  
     @Test
     public void testConsumerBrowserMessages() throws Exception {
        testConsumerBrowserMessagesArentAcked(false);
     }
  
     @Test
     public void testConsumerBrowserMessagesPreACK() throws Exception {
        testConsumerBrowserMessagesArentAcked(false);
     }
  
     private void testConsumerBrowserMessagesArentAcked(final boolean preACK) throws Exception {
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(null, null, false, true, true, preACK, 0);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
        // assert that all the messages are there and none have been acked
        assertEquals(0, ((Queue) server.getPostOffice().getBinding(QUEUE).getBindable()).getDeliveringCount());
        assertEquals(100, getMessageCount(((Queue) server.getPostOffice().getBinding(QUEUE).getBindable())));
  
        session.close();
  
     }
  
     @Test
     public void testConsumerBrowserMessageAckDoesNothing() throws Exception {
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           producer.send(message);
        }
  
        ClientConsumer consumer = session.createConsumer(QUEUE, null, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = consumer.receive(1000);
  
           message2.acknowledge();
  
           assertEquals("m" + i, message2.getBodyBuffer().readString());
        }
        // assert that all the messages are there and none have been acked
        assertEquals(0, ((Queue) server.getPostOffice().getBinding(QUEUE).getBindable()).getDeliveringCount());
        assertEquals(100, getMessageCount(((Queue) server.getPostOffice().getBinding(QUEUE).getBindable())));
  
        session.close();
  
     }
  
     @Test
     public void testBrowseWithZeroConsumerWindowSize() throws Exception {
        locator.setConsumerWindowSize(0);
  
        ClientSessionFactory sf = createSessionFactory(locator);
  
        ClientSession session = sf.createSession(false, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 100;
  
        byte[] bytes = new byte[240];
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = session.createMessage(false);
  
           message.getBodyBuffer().writeBytes(bytes);
  
           message.putIntProperty("foo", i);
  
           producer.send(message);
        }
  
        //Create a normal non browsing consumer
        session.createConsumer(QUEUE);
  
        session.start();
  
        ClientConsumer browser = session.createConsumer(QUEUE, true);
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message2 = browser.receive(1000);
  
           assertEquals(i, message2.getIntProperty("foo").intValue());
        }
  
        session.close();
     }
  
  }
  