pulsar-broker/src/test/java/org/apache/pulsar/client/api/SimpleProducerConsumerStatTest.java - pulsar - Git at Google

 /**
  * 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.pulsar.client.api;

 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertNotNull;
 import static org.testng.Assert.assertNull;
 import static org.testng.Assert.assertTrue;
 import static org.testng.Assert.fail;

 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;

 import org.apache.pulsar.client.admin.PulsarAdminException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;

 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.RateLimiter;

 public class SimpleProducerConsumerStatTest extends ProducerConsumerBase {
     private static final Logger log = LoggerFactory.getLogger(SimpleProducerConsumerStatTest.class);

     @BeforeMethod
     @Override
     protected void setup() throws Exception {
         super.internalSetupForStatsTest();
         super.producerBaseSetup();
     }

     @AfterMethod
     @Override
     protected void cleanup() throws Exception {
         super.internalCleanup();
     }

     @DataProvider(name = "batch")
     public Object[][] batchMessageDelayMsProvider() {
         return new Object[][] { { 0 }, { 1000 } };
     }

     @DataProvider(name = "batch_with_timeout")
     public Object[][] ackTimeoutSecProvider() {
         return new Object[][] { { 0, 0 }, { 0, 2 }, { 1000, 0 }, { 1000, 2 } };
     }

     @Test(dataProvider = "batch_with_timeout")
     public void testSyncProducerAndConsumer(int batchMessageDelayMs, int ackTimeoutSec) throws Exception {
         log.info("-- Starting {} test --", methodName);
         ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic1").subscriptionName("my-subscriber-name");

         // Cumulative Ack-counter works if ackTimeOutTimer-task is enabled
         boolean isAckTimeoutTaskEnabledForCumulativeAck = ackTimeoutSec > 0;
         if (ackTimeoutSec > 0) {
             consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
         }

         Consumer<byte[]> consumer = consumerBuilder.subscribe();

         ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic1");
         if (batchMessageDelayMs != 0) {
             producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
                     .batchingMaxMessages(5);
         }

         Producer<byte[]> producer = producerBuilder.create();

         int numMessages = 11;
         for (int i = 0; i < numMessages; i++) {
             String message = "my-message-" + i;
             producer.send(message.getBytes());
         }

         Message<byte[]> msg = null;
         Set<String> messageSet = Sets.newHashSet();
         for (int i = 0; i < numMessages; i++) {
             msg = consumer.receive(5, TimeUnit.SECONDS);
             String receivedMessage = new String(msg.getData());
             log.info("Received message: [{}]", receivedMessage);
             String expectedMessage = "my-message-" + i;
             testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
         }
         // Acknowledge the consumption of all messages at once
         consumer.acknowledgeCumulative(msg);
         Thread.sleep(2000);
         consumer.close();
         producer.close();
         validatingLogInfo(consumer, producer, isAckTimeoutTaskEnabledForCumulativeAck);
         log.info("-- Exiting {} test --", methodName);
     }

     @Test(dataProvider = "batch_with_timeout")
     public void testAsyncProducerAndAsyncAck(int batchMessageDelayMs, int ackTimeoutSec) throws Exception {
         log.info("-- Starting {} test --", methodName);
         ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic2").subscriptionName("my-subscriber-name");
         if (ackTimeoutSec > 0) {
             consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
         }

         Consumer<byte[]> consumer = consumerBuilder.subscribe();

         ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic2")
                 .messageRoutingMode(MessageRoutingMode.SinglePartition);
         if (batchMessageDelayMs != 0) {
             producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
                     .batchingMaxMessages(5);
         } else {
             producerBuilder.enableBatching(false);
         }

         Producer<byte[]> producer = producerBuilder.create();
         List<Future<MessageId>> futures = Lists.newArrayList();

         int numMessages = 50;
         // Asynchronously produce messages
         for (int i = 0; i < numMessages; i++) {
             final String message = "my-message-" + i;
             Future<MessageId> future = producer.sendAsync(message.getBytes());
             futures.add(future);
         }

         log.info("Waiting for async publish to complete");
         for (Future<MessageId> future : futures) {
             future.get();
         }

         Message<byte[]> msg = null;
         Set<String> messageSet = Sets.newHashSet();
         for (int i = 0; i < numMessages; i++) {
             msg = consumer.receive(5, TimeUnit.SECONDS);
             String receivedMessage = new String(msg.getData());
             String expectedMessage = "my-message-" + i;
             testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
         }

         // Asynchronously acknowledge upto and including the last message
         Future<Void> ackFuture = consumer.acknowledgeCumulativeAsync(msg);
         log.info("Waiting for async ack to complete");
         ackFuture.get();
         Thread.sleep(2000);
         consumer.close();
         producer.close();
         validatingLogInfo(consumer, producer, batchMessageDelayMs == 0 && ackTimeoutSec > 0);
         log.info("-- Exiting {} test --", methodName);
     }

     @Test(dataProvider = "batch_with_timeout")
     public void testAsyncProducerAndReceiveAsyncAndAsyncAck(int batchMessageDelayMs, int ackTimeoutSec)
             throws Exception {
         log.info("-- Starting {} test --", methodName);
         ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic2").subscriptionName("my-subscriber-name");
         if (ackTimeoutSec > 0) {
             consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
         }

         Consumer<byte[]> consumer = consumerBuilder.subscribe();

         ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic2")
                 .messageRoutingMode(MessageRoutingMode.SinglePartition);
         if (batchMessageDelayMs != 0) {
             producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
                     .batchingMaxMessages(5);
         } else {
             producerBuilder.enableBatching(false);
         }

         Producer<byte[]> producer = producerBuilder.create();
         List<Future<MessageId>> futures = Lists.newArrayList();

         int numMessages = 101;
         // Asynchronously produce messages
         for (int i = 0; i < numMessages; i++) {
             final String message = "my-message-" + i;
             Future<MessageId> future = producer.sendAsync(message.getBytes());
             futures.add(future);
         }

         log.info("Waiting for async publish to complete");
         for (Future<MessageId> future : futures) {
             future.get();
         }
         Message<byte[]> msg = null;
         CompletableFuture<Message<byte[]>> future_msg = null;
         Set<String> messageSet = Sets.newHashSet();
         for (int i = 0; i < numMessages; i++) {
             future_msg = consumer.receiveAsync();
             Thread.sleep(10);
             msg = future_msg.get();
             String receivedMessage = new String(msg.getData());
             log.info("Received message: [{}]", receivedMessage);
             String expectedMessage = "my-message-" + i;
             testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
         }

         // Asynchronously acknowledge upto and including the last message
         Future<Void> ackFuture = consumer.acknowledgeCumulativeAsync(msg);
         log.info("Waiting for async ack to complete");
         ackFuture.get();
         Thread.sleep(5000);
         consumer.close();
         producer.close();
         validatingLogInfo(consumer, producer, batchMessageDelayMs == 0 && ackTimeoutSec > 0);
         log.info("-- Exiting {} test --", methodName);
     }

     @Test(dataProvider = "batch", timeOut = 100000)
     public void testMessageListener(int batchMessageDelayMs) throws Exception {
         log.info("-- Starting {} test --", methodName);

         int numMessages = 100;
         final CountDownLatch latch = new CountDownLatch(numMessages);

         Consumer<byte[]> consumer = pulsarClient.newConsumer().topic("persistent://my-property/tp1/my-ns/my-topic3")
                 .subscriptionName("my-subscriber-name").ackTimeout(100, TimeUnit.SECONDS)
                 .messageListener((consumer1, msg) -> {
                     assertNotNull(msg, "Message cannot be null");
                     String receivedMessage = new String(msg.getData());
                     log.debug("Received message [{}] in the listener", receivedMessage);
                     consumer1.acknowledgeAsync(msg);
                     latch.countDown();
                 }).subscribe();

         ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic3");
         if (batchMessageDelayMs != 0) {
             producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
                     .batchingMaxMessages(5);
         }

         Producer<byte[]> producer = producerBuilder.create();
         List<Future<MessageId>> futures = Lists.newArrayList();

         // Asynchronously produce messages
         for (int i = 0; i < numMessages; i++) {
             final String message = "my-message-" + i;
             Future<MessageId> future = producer.sendAsync(message.getBytes());
             futures.add(future);
         }

         log.info("Waiting for async publish to complete");
         for (Future<MessageId> future : futures) {
             future.get();
         }
         Thread.sleep(5000);
         log.info("Waiting for message listener to ack all messages");
         assertEquals(latch.await(numMessages, TimeUnit.SECONDS), true, "Timed out waiting for message listener acks");
         consumer.close();
         producer.close();
         validatingLogInfo(consumer, producer, true);
         log.info("-- Exiting {} test --", methodName);
     }

     @Test(dataProvider = "batch")
     public void testSendTimeout(int batchMessageDelayMs) throws Exception {
         log.info("-- Starting {} test --", methodName);

         Consumer<byte[]> consumer = pulsarClient.newConsumer().topic("persistent://my-property/tp1/my-ns/my-topic5")
                 .subscriptionName("my-subscriber-name").subscribe();

         ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
                 .topic("persistent://my-property/tp1/my-ns/my-topic5").sendTimeout(1, TimeUnit.SECONDS);
         if (batchMessageDelayMs != 0) {
             producerBuilder.enableBatching(true).batchingMaxPublishDelay(2 * batchMessageDelayMs, TimeUnit.MILLISECONDS)
                     .batchingMaxMessages(5);
         }

         Producer<byte[]> producer = producerBuilder.create();

         final String message = "my-message";

         // Trigger the send timeout
         stopBroker();

         Future<MessageId> future = producer.sendAsync(message.getBytes());

         try {
             future.get();
             fail("Send operation should have failed");
         } catch (ExecutionException e) {
             // Expected
         }

         startBroker();

         // We should not have received any message
         Message<byte[]> msg = consumer.receive(3, TimeUnit.SECONDS);
         assertNull(msg);
         consumer.close();
         producer.close();
         Thread.sleep(1000);
         ConsumerStats cStat = consumer.getStats();
         ProducerStats pStat = producer.getStats();
         assertEquals(pStat.getTotalMsgsSent(), 0);
         assertEquals(pStat.getTotalSendFailed(), 1);
         assertEquals(cStat.getTotalMsgsReceived(), 0);
         assertEquals(cStat.getTotalMsgsReceived(), cStat.getTotalAcksSent());
         log.info("-- Exiting {} test --", methodName);
     }

     public void testBatchMessagesRateOut() throws PulsarClientException, InterruptedException, PulsarAdminException {
         log.info("-- Starting {} test --", methodName);
         String topicName = "persistent://my-property/cluster/my-ns/testBatchMessagesRateOut";
         double produceRate = 17;
         int batchSize = 5;
         Consumer<byte[]> consumer = pulsarClient.newConsumer().topic(topicName).subscriptionName("my-subscriber-name")
                 .subscribe();
         Producer<byte[]> producer = pulsarClient.newProducer().topic(topicName).batchingMaxMessages(batchSize)
                 .enableBatching(true).batchingMaxPublishDelay(2, TimeUnit.SECONDS).create();
         AtomicBoolean runTest = new AtomicBoolean(true);
         Thread t1 = new Thread(() -> {
             RateLimiter r = RateLimiter.create(produceRate);
             while (runTest.get()) {
                 r.acquire();
                 producer.sendAsync("Hello World".getBytes());
                 consumer.receiveAsync().thenAccept(consumer::acknowledgeAsync);
             }
         });
         t1.start();
         Thread.sleep(2000); // Two seconds sleep
         runTest.set(false);
         pulsar.getBrokerService().updateRates();
         double actualRate = admin.topics().getStats(topicName).msgRateOut;
         assertTrue(actualRate > (produceRate / batchSize));
         consumer.unsubscribe();
         log.info("-- Exiting {} test --", methodName);
     }

     public void validatingLogInfo(Consumer<?> consumer, Producer<?> producer, boolean verifyAckCount)
             throws InterruptedException {
         // Waiting for recording last stat info
         Thread.sleep(1000);
         ConsumerStats cStat = consumer.getStats();
         ProducerStats pStat = producer.getStats();
         assertEquals(pStat.getTotalMsgsSent(), cStat.getTotalMsgsReceived());
         assertEquals(pStat.getTotalBytesSent(), cStat.getTotalBytesReceived());
         assertEquals(pStat.getTotalMsgsSent(), pStat.getTotalAcksReceived());
         if (verifyAckCount) {
             assertEquals(cStat.getTotalMsgsReceived(), cStat.getTotalAcksSent());
         }
     }

 }
	/**
	* 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.pulsar.client.api;

	import static org.testng.Assert.assertEquals;
	import static org.testng.Assert.assertNotNull;
	import static org.testng.Assert.assertNull;
	import static org.testng.Assert.assertTrue;
	import static org.testng.Assert.fail;

	import java.util.List;
	import java.util.Set;
	import java.util.concurrent.CompletableFuture;
	import java.util.concurrent.CountDownLatch;
	import java.util.concurrent.ExecutionException;
	import java.util.concurrent.Future;
	import java.util.concurrent.TimeUnit;
	import java.util.concurrent.atomic.AtomicBoolean;

	import org.apache.pulsar.client.admin.PulsarAdminException;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.testng.annotations.AfterMethod;
	import org.testng.annotations.BeforeMethod;
	import org.testng.annotations.DataProvider;
	import org.testng.annotations.Test;

	import com.google.common.collect.Lists;
	import com.google.common.collect.Sets;
	import com.google.common.util.concurrent.RateLimiter;

	public class SimpleProducerConsumerStatTest extends ProducerConsumerBase {
	private static final Logger log = LoggerFactory.getLogger(SimpleProducerConsumerStatTest.class);

	@BeforeMethod
	@Override
	protected void setup() throws Exception {
	super.internalSetupForStatsTest();
	super.producerBaseSetup();
	}

	@AfterMethod
	@Override
	protected void cleanup() throws Exception {
	super.internalCleanup();
	}

	@DataProvider(name = "batch")
	public Object[][] batchMessageDelayMsProvider() {
	return new Object[][] { { 0 }, { 1000 } };
	}

	@DataProvider(name = "batch_with_timeout")
	public Object[][] ackTimeoutSecProvider() {
	return new Object[][] { { 0, 0 }, { 0, 2 }, { 1000, 0 }, { 1000, 2 } };
	}

	@Test(dataProvider = "batch_with_timeout")
	public void testSyncProducerAndConsumer(int batchMessageDelayMs, int ackTimeoutSec) throws Exception {
	log.info("-- Starting {} test --", methodName);
	ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
	.topic("persistent://my-property/tp1/my-ns/my-topic1").subscriptionName("my-subscriber-name");

	// Cumulative Ack-counter works if ackTimeOutTimer-task is enabled
	boolean isAckTimeoutTaskEnabledForCumulativeAck = ackTimeoutSec > 0;
	if (ackTimeoutSec > 0) {
	consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
	}

	Consumer<byte[]> consumer = consumerBuilder.subscribe();

	ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
	.topic("persistent://my-property/tp1/my-ns/my-topic1");
	if (batchMessageDelayMs != 0) {
	producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
	.batchingMaxMessages(5);
	}

	Producer<byte[]> producer = producerBuilder.create();

	int numMessages = 11;
	for (int i = 0; i < numMessages; i++) {
	String message = "my-message-" + i;
	producer.send(message.getBytes());
	}

	Message<byte[]> msg = null;
	Set<String> messageSet = Sets.newHashSet();
	for (int i = 0; i < numMessages; i++) {
	msg = consumer.receive(5, TimeUnit.SECONDS);
	String receivedMessage = new String(msg.getData());
	log.info("Received message: [{}]", receivedMessage);
	String expectedMessage = "my-message-" + i;
	testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
	}
	// Acknowledge the consumption of all messages at once
	consumer.acknowledgeCumulative(msg);
	Thread.sleep(2000);
	consumer.close();
	producer.close();
	validatingLogInfo(consumer, producer, isAckTimeoutTaskEnabledForCumulativeAck);
	log.info("-- Exiting {} test --", methodName);
	}

	@Test(dataProvider = "batch_with_timeout")
	public void testAsyncProducerAndAsyncAck(int batchMessageDelayMs, int ackTimeoutSec) throws Exception {
	log.info("-- Starting {} test --", methodName);
	ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
	.topic("persistent://my-property/tp1/my-ns/my-topic2").subscriptionName("my-subscriber-name");
	if (ackTimeoutSec > 0) {
	consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
	}

	Consumer<byte[]> consumer = consumerBuilder.subscribe();

	ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
	.topic("persistent://my-property/tp1/my-ns/my-topic2")
	.messageRoutingMode(MessageRoutingMode.SinglePartition);
	if (batchMessageDelayMs != 0) {
	producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
	.batchingMaxMessages(5);
	} else {
	producerBuilder.enableBatching(false);
	}

	Producer<byte[]> producer = producerBuilder.create();
	List<Future<MessageId>> futures = Lists.newArrayList();

	int numMessages = 50;
	// Asynchronously produce messages
	for (int i = 0; i < numMessages; i++) {
	final String message = "my-message-" + i;
	Future<MessageId> future = producer.sendAsync(message.getBytes());
	futures.add(future);
	}

	log.info("Waiting for async publish to complete");
	for (Future<MessageId> future : futures) {
	future.get();
	}

	Message<byte[]> msg = null;
	Set<String> messageSet = Sets.newHashSet();
	for (int i = 0; i < numMessages; i++) {
	msg = consumer.receive(5, TimeUnit.SECONDS);
	String receivedMessage = new String(msg.getData());
	String expectedMessage = "my-message-" + i;
	testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
	}

	// Asynchronously acknowledge upto and including the last message
	Future<Void> ackFuture = consumer.acknowledgeCumulativeAsync(msg);
	log.info("Waiting for async ack to complete");
	ackFuture.get();
	Thread.sleep(2000);
	consumer.close();
	producer.close();
	validatingLogInfo(consumer, producer, batchMessageDelayMs == 0 && ackTimeoutSec > 0);
	log.info("-- Exiting {} test --", methodName);
	}

	@Test(dataProvider = "batch_with_timeout")
	public void testAsyncProducerAndReceiveAsyncAndAsyncAck(int batchMessageDelayMs, int ackTimeoutSec)
	throws Exception {
	log.info("-- Starting {} test --", methodName);
	ConsumerBuilder<byte[]> consumerBuilder = pulsarClient.newConsumer()
	.topic("persistent://my-property/tp1/my-ns/my-topic2").subscriptionName("my-subscriber-name");
	if (ackTimeoutSec > 0) {
	consumerBuilder.ackTimeout(ackTimeoutSec, TimeUnit.SECONDS);
	}

	Consumer<byte[]> consumer = consumerBuilder.subscribe();

	ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
	.topic("persistent://my-property/tp1/my-ns/my-topic2")
	.messageRoutingMode(MessageRoutingMode.SinglePartition);
	if (batchMessageDelayMs != 0) {
	producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
	.batchingMaxMessages(5);
	} else {
	producerBuilder.enableBatching(false);
	}

	Producer<byte[]> producer = producerBuilder.create();
	List<Future<MessageId>> futures = Lists.newArrayList();

	int numMessages = 101;
	// Asynchronously produce messages
	for (int i = 0; i < numMessages; i++) {
	final String message = "my-message-" + i;
	Future<MessageId> future = producer.sendAsync(message.getBytes());
	futures.add(future);
	}

	log.info("Waiting for async publish to complete");
	for (Future<MessageId> future : futures) {
	future.get();
	}
	Message<byte[]> msg = null;
	CompletableFuture<Message<byte[]>> future_msg = null;
	Set<String> messageSet = Sets.newHashSet();
	for (int i = 0; i < numMessages; i++) {
	future_msg = consumer.receiveAsync();
	Thread.sleep(10);
	msg = future_msg.get();
	String receivedMessage = new String(msg.getData());
	log.info("Received message: [{}]", receivedMessage);
	String expectedMessage = "my-message-" + i;
	testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage);
	}

	// Asynchronously acknowledge upto and including the last message
	Future<Void> ackFuture = consumer.acknowledgeCumulativeAsync(msg);
	log.info("Waiting for async ack to complete");
	ackFuture.get();
	Thread.sleep(5000);
	consumer.close();
	producer.close();
	validatingLogInfo(consumer, producer, batchMessageDelayMs == 0 && ackTimeoutSec > 0);
	log.info("-- Exiting {} test --", methodName);
	}

	@Test(dataProvider = "batch", timeOut = 100000)
	public void testMessageListener(int batchMessageDelayMs) throws Exception {
	log.info("-- Starting {} test --", methodName);

	int numMessages = 100;
	final CountDownLatch latch = new CountDownLatch(numMessages);

	Consumer<byte[]> consumer = pulsarClient.newConsumer().topic("persistent://my-property/tp1/my-ns/my-topic3")
	.subscriptionName("my-subscriber-name").ackTimeout(100, TimeUnit.SECONDS)
	.messageListener((consumer1, msg) -> {
	assertNotNull(msg, "Message cannot be null");
	String receivedMessage = new String(msg.getData());
	log.debug("Received message [{}] in the listener", receivedMessage);
	consumer1.acknowledgeAsync(msg);
	latch.countDown();
	}).subscribe();

	ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
	.topic("persistent://my-property/tp1/my-ns/my-topic3");
	if (batchMessageDelayMs != 0) {
	producerBuilder.enableBatching(true).batchingMaxPublishDelay(batchMessageDelayMs, TimeUnit.MILLISECONDS)
	.batchingMaxMessages(5);
	}

	Producer<byte[]> producer = producerBuilder.create();
	List<Future<MessageId>> futures = Lists.newArrayList();

	// Asynchronously produce messages
	for (int i = 0; i < numMessages; i++) {
	final String message = "my-message-" + i;
	Future<MessageId> future = producer.sendAsync(message.getBytes());
	futures.add(future);
	}

	log.info("Waiting for async publish to complete");
	for (Future<MessageId> future : futures) {
	future.get();
	}
	Thread.sleep(5000);
	log.info("Waiting for message listener to ack all messages");
	assertEquals(latch.await(numMessages, TimeUnit.SECONDS), true, "Timed out waiting for message listener acks");
	consumer.close();
	producer.close();
	validatingLogInfo(consumer, producer, true);
	log.info("-- Exiting {} test --", methodName);
	}

	@Test(dataProvider = "batch")
	public void testSendTimeout(int batchMessageDelayMs) throws Exception {
	log.info("-- Starting {} test --", methodName);

	Consumer<byte[]> consumer = pulsarClient.newConsumer().topic("persistent://my-property/tp1/my-ns/my-topic5")
	.subscriptionName("my-subscriber-name").subscribe();

	ProducerBuilder<byte[]> producerBuilder = pulsarClient.newProducer()
	.topic("persistent://my-property/tp1/my-ns/my-topic5").sendTimeout(1, TimeUnit.SECONDS);
	if (batchMessageDelayMs != 0) {
	producerBuilder.enableBatching(true).batchingMaxPublishDelay(2 * batchMessageDelayMs, TimeUnit.MILLISECONDS)
	.batchingMaxMessages(5);
	}

	Producer<byte[]> producer = producerBuilder.create();

	final String message = "my-message";

	// Trigger the send timeout
	stopBroker();

	Future<MessageId> future = producer.sendAsync(message.getBytes());

	try {
	future.get();
	fail("Send operation should have failed");
	} catch (ExecutionException e) {
	// Expected
	}

	startBroker();

	// We should not have received any message
	Message<byte[]> msg = consumer.receive(3, TimeUnit.SECONDS);
	assertNull(msg);
	consumer.close();
	producer.close();
	Thread.sleep(1000);
	ConsumerStats cStat = consumer.getStats();
	ProducerStats pStat = producer.getStats();
	assertEquals(pStat.getTotalMsgsSent(), 0);
	assertEquals(pStat.getTotalSendFailed(), 1);
	assertEquals(cStat.getTotalMsgsReceived(), 0);
	assertEquals(cStat.getTotalMsgsReceived(), cStat.getTotalAcksSent());
	log.info("-- Exiting {} test --", methodName);
	}

	public void testBatchMessagesRateOut() throws PulsarClientException, InterruptedException, PulsarAdminException {
	log.info("-- Starting {} test --", methodName);
	String topicName = "persistent://my-property/cluster/my-ns/testBatchMessagesRateOut";
	double produceRate = 17;
	int batchSize = 5;
	Consumer<byte[]> consumer = pulsarClient.newConsumer().topic(topicName).subscriptionName("my-subscriber-name")
	.subscribe();
	Producer<byte[]> producer = pulsarClient.newProducer().topic(topicName).batchingMaxMessages(batchSize)
	.enableBatching(true).batchingMaxPublishDelay(2, TimeUnit.SECONDS).create();
	AtomicBoolean runTest = new AtomicBoolean(true);
	Thread t1 = new Thread(() -> {
	RateLimiter r = RateLimiter.create(produceRate);
	while (runTest.get()) {
	r.acquire();
	producer.sendAsync("Hello World".getBytes());
	consumer.receiveAsync().thenAccept(consumer::acknowledgeAsync);
	}
	});
	t1.start();
	Thread.sleep(2000); // Two seconds sleep
	runTest.set(false);
	pulsar.getBrokerService().updateRates();
	double actualRate = admin.topics().getStats(topicName).msgRateOut;
	assertTrue(actualRate > (produceRate / batchSize));
	consumer.unsubscribe();
	log.info("-- Exiting {} test --", methodName);
	}

	public void validatingLogInfo(Consumer<?> consumer, Producer<?> producer, boolean verifyAckCount)
	throws InterruptedException {
	// Waiting for recording last stat info
	Thread.sleep(1000);
	ConsumerStats cStat = consumer.getStats();
	ProducerStats pStat = producer.getStats();
	assertEquals(pStat.getTotalMsgsSent(), cStat.getTotalMsgsReceived());
	assertEquals(pStat.getTotalBytesSent(), cStat.getTotalBytesReceived());
	assertEquals(pStat.getTotalMsgsSent(), pStat.getTotalAcksReceived());
	if (verifyAckCount) {
	assertEquals(cStat.getTotalMsgsReceived(), cStat.getTotalAcksSent());
	}
	}

	}