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Fix the nondurable consumer can not specify the initial position (apa…
…che#7702) Fixes apache#7619 Motivation When using nondurable consumer to consumer message and specify the initial position from earliest, the consumer can not start consume from the earliest message.
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74 changes: 74 additions & 0 deletions
74
...t/java/org/apache/pulsar/tests/integration/messaging/NonDurableConsumerMessagingTest.java
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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.pulsar.tests.integration.messaging; | ||
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| import lombok.Cleanup; | ||
| import org.apache.pulsar.client.api.Consumer; | ||
| 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.SubscriptionMode; | ||
| import org.testng.annotations.Test; | ||
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| import java.util.stream.IntStream; | ||
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| import static java.nio.charset.StandardCharsets.UTF_8; | ||
| import static org.junit.Assert.assertEquals; | ||
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| public class NonDurableConsumerMessagingTest extends MessagingBase { | ||
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| @Test(dataProvider = "ServiceUrls") | ||
| public void testNonDurableConsumer(String serviceUrls) throws Exception { | ||
| final String topicName = getNonPartitionedTopic("test-non-durable-consumer", false); | ||
| @Cleanup | ||
| final PulsarClient client = PulsarClient.builder().serviceUrl(serviceUrls).build(); | ||
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| int numMessages = 20; | ||
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| try (final Producer<byte[]> producer = client.newProducer() | ||
| .topic(topicName) | ||
| .create()) { | ||
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| IntStream.range(0, numMessages).forEach(i -> { | ||
| String payload = "message-" + i; | ||
| producer.sendAsync(payload.getBytes(UTF_8)); | ||
| }); | ||
| // flush the producer to make sure all messages are persisted | ||
| producer.flush(); | ||
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| try (final Consumer<byte[]> consumer = client.newConsumer() | ||
| .topic(topicName) | ||
| .subscriptionName("non-durable-consumer") | ||
| .subscriptionMode(SubscriptionMode.NonDurable) | ||
| .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest) | ||
| .subscribe()) { | ||
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| for (int i = 0; i < numMessages; i++) { | ||
| Message<byte[]> msg = consumer.receive(); | ||
| assertEquals( | ||
| "message-" + i, | ||
| new String(msg.getValue(), UTF_8) | ||
| ); | ||
| } | ||
| } | ||
| } | ||
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| } | ||
| } |
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