gaoran10 commented on a change in pull request #10078: URL: https://github.com/apache/pulsar/pull/10078#discussion_r605461550
########## File path: tests/integration/src/test/java/org/apache/pulsar/tests/integration/messaging/DelayMessagingTest.java ########## @@ -0,0 +1,105 @@ +/** + * 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.tests.integration.messaging; + +import java.util.concurrent.TimeUnit; +import lombok.Cleanup; +import lombok.extern.slf4j.Slf4j; +import org.apache.pulsar.client.api.Consumer; +import org.apache.pulsar.client.api.DeadLetterPolicy; +import org.apache.pulsar.client.api.Message; +import org.apache.pulsar.client.api.Producer; +import org.apache.pulsar.client.api.PulsarClient; +import org.apache.pulsar.client.api.SubscriptionInitialPosition; +import org.apache.pulsar.client.api.SubscriptionType; +import org.apache.pulsar.tests.integration.suites.PulsarTestSuite; +import org.testng.Assert; +import org.testng.annotations.Test; + +/** + * Delay messaging test. + */ +@Slf4j +public class DelayMessagingTest extends PulsarTestSuite { + + @Test(dataProvider = "ServiceUrls") + public void delayMsgBlockTest(String serviceUrl) throws Exception { + String nsName = generateNamespaceName(); + pulsarCluster.createNamespace(nsName); + + String topic = generateTopicName(nsName, "testDelayMsgBlock", true); + pulsarCluster.createPartitionedTopic(topic, 3); + + String retryTopic = topic + "-RETRY"; + String deadLetterTopic = topic + "-DLT"; + + @Cleanup + PulsarClient pulsarClient = PulsarClient.builder().serviceUrl(serviceUrl).build(); + + @Cleanup + Producer<byte[]> producer = pulsarClient.newProducer() + .topic(topic) + .create(); + + final int redeliverCnt = 10; + final int delayTimeSeconds = 10; + @Cleanup + Consumer<byte[]> consumer = pulsarClient.newConsumer() + .topic(topic) + .subscriptionName("test") + .subscriptionType(SubscriptionType.Shared) + .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest) + .enableRetry(true) + .deadLetterPolicy(DeadLetterPolicy.builder() + .maxRedeliverCount(redeliverCnt) + .retryLetterTopic(retryTopic) + .deadLetterTopic(deadLetterTopic) + .build()) + .receiverQueueSize(100) + .ackTimeout(60, TimeUnit.SECONDS) + .subscribe(); + + producer.newMessage().value("hello".getBytes()).send(); + + // receive message at first time + Message<byte[]> message = consumer.receive(delayTimeSeconds * 2, TimeUnit.SECONDS); + Assert.assertNotNull(message, "Can't receive message at the first time."); + consumer.reconsumeLater(message, delayTimeSeconds, TimeUnit.SECONDS); + + // receive retry messages + for (int i = 0; i < redeliverCnt; i++) { + message = consumer.receive(delayTimeSeconds * 2, TimeUnit.SECONDS); + Assert.assertNotNull(message, "Consumer can't receive message in double delayTimeSeconds time " + + delayTimeSeconds * 2 + "s"); + log.info("receive msg. reConsumeTimes: {}", message.getProperty("RECONSUMETIMES")); + consumer.reconsumeLater(message, delayTimeSeconds, TimeUnit.SECONDS); + } + + @Cleanup + Consumer<byte[]> dltConsumer = pulsarClient.newConsumer() + .topic(deadLetterTopic) + .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest) + .subscriptionName("test") + .subscribe(); + + message = dltConsumer.receive(10, TimeUnit.SECONDS); Review comment: Normally, we could receive messages from the dead letter topic. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
