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[Issue-10611] consumer related topic stats only available while consu…
…mer or reader are connected (cherry picked from commit 2e1e213)
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.../src/test/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentTopicTest.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.broker.service.nonpersistent; | ||
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| import org.apache.pulsar.broker.service.BrokerTestBase; | ||
| 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.Schema; | ||
| import org.apache.pulsar.client.api.SubscriptionType; | ||
| import org.apache.pulsar.common.policies.data.TopicStats; | ||
| import org.testng.annotations.AfterMethod; | ||
| import org.testng.annotations.BeforeMethod; | ||
| import org.testng.annotations.Test; | ||
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| import static org.junit.Assert.assertTrue; | ||
| import static org.testng.Assert.assertEquals; | ||
| import static org.testng.Assert.assertNotNull; | ||
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| @Test(groups = "broker") | ||
| public class NonPersistentTopicTest extends BrokerTestBase { | ||
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| @BeforeMethod(alwaysRun = true) | ||
| @Override | ||
| protected void setup() throws Exception { | ||
| super.baseSetup(); | ||
| } | ||
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| @AfterMethod(alwaysRun = true) | ||
| @Override | ||
| protected void cleanup() throws Exception { | ||
| super.internalCleanup(); | ||
| } | ||
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| @Test | ||
| public void testAccumulativeStats() throws Exception { | ||
| final String topicName = "non-persistent://prop/ns-abc/aTopic"; | ||
| final String sharedSubName = "shared"; | ||
| final String failoverSubName = "failOver"; | ||
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| Consumer<String> consumer1 = pulsarClient.newConsumer(Schema.STRING).topic(topicName) | ||
| .subscriptionType(SubscriptionType.Shared).subscriptionName(sharedSubName).subscribe(); | ||
| Consumer<String> consumer2 = pulsarClient.newConsumer(Schema.STRING).topic(topicName) | ||
| .subscriptionType(SubscriptionType.Failover).subscriptionName(failoverSubName).subscribe(); | ||
| Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(topicName).create(); | ||
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| NonPersistentTopic topic = (NonPersistentTopic) pulsar.getBrokerService().getTopicReference(topicName).get(); | ||
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| // stats are at zero before any activity | ||
| TopicStats stats = topic.getStats(false, false); | ||
| assertEquals(stats.bytesInCounter, 0); | ||
| assertEquals(stats.msgInCounter, 0); | ||
| assertEquals(stats.bytesOutCounter, 0); | ||
| assertEquals(stats.msgOutCounter, 0); | ||
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| producer.newMessage().value("test").eventTime(5).send(); | ||
| producer.newMessage().value("test").eventTime(5).send(); | ||
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| Message<String> msg = consumer1.receive(); | ||
| assertNotNull(msg); | ||
| msg = consumer2.receive(); | ||
| assertNotNull(msg); | ||
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| // send/receive result in non-zero stats | ||
| TopicStats statsBeforeUnsubscribe = topic.getStats(false, false); | ||
| assertTrue(statsBeforeUnsubscribe.bytesInCounter > 0); | ||
| assertTrue(statsBeforeUnsubscribe.msgInCounter > 0); | ||
| assertTrue(statsBeforeUnsubscribe.bytesOutCounter > 0); | ||
| assertTrue(statsBeforeUnsubscribe.msgOutCounter > 0); | ||
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| consumer1.unsubscribe(); | ||
| consumer2.unsubscribe(); | ||
| producer.close(); | ||
| topic.getProducers().values().forEach(topic::removeProducer); | ||
| assertEquals(topic.getProducers().size(), 0); | ||
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| // consumer unsubscribe/producer removal does not result in stats loss | ||
| TopicStats statsAfterUnsubscribe = topic.getStats(false, false); | ||
| assertEquals(statsAfterUnsubscribe.bytesInCounter, statsBeforeUnsubscribe.bytesInCounter); | ||
| assertEquals(statsAfterUnsubscribe.msgInCounter, statsBeforeUnsubscribe.msgInCounter); | ||
| assertEquals(statsAfterUnsubscribe.bytesOutCounter, statsBeforeUnsubscribe.bytesOutCounter); | ||
| assertEquals(statsAfterUnsubscribe.msgOutCounter, statsBeforeUnsubscribe.msgOutCounter); | ||
| } | ||
| } |
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