| /** |
| * 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.impl; |
| |
| import org.apache.pulsar.client.admin.PulsarAdminException; |
| import org.apache.pulsar.client.api.Consumer; |
| import org.apache.pulsar.client.api.MessageId; |
| import org.apache.pulsar.client.api.Producer; |
| import org.apache.pulsar.client.api.ProducerConsumerBase; |
| import org.apache.pulsar.client.api.PulsarClientException; |
| import org.apache.pulsar.client.api.Schema; |
| import org.apache.pulsar.client.api.SubscriptionInitialPosition; |
| import org.apache.pulsar.client.api.SubscriptionType; |
| import org.apache.pulsar.common.policies.data.TopicStats; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| @Test(groups = "broker-impl") |
| public class DispatchAccordingPermitsTests extends ProducerConsumerBase { |
| |
| @Override |
| @BeforeMethod |
| public void setup() throws Exception { |
| super.internalSetup(); |
| super.producerBaseSetup(); |
| } |
| |
| @Override |
| @AfterMethod(alwaysRun = true) |
| public void cleanup() throws Exception { |
| super.internalCleanup(); |
| } |
| |
| /** |
| * The test case is to simulate dispatch batches with different batch size to the consumer. |
| * 1. The consumer has 1000 available permits |
| * 2. The producer send batches with different batch size |
| * |
| * According the batch average size dispatching, the broker will dispatch all the batches to the consumer |
| */ |
| @Test |
| public void testFlowPermitsWithMultiBatchesDispatch() throws PulsarAdminException, PulsarClientException { |
| final String topic = "persistent://public/default/testFlowPermitsWithMultiBatchesDispatch"; |
| final String subName = "test"; |
| admin.topics().createSubscription(topic, "test", MessageId.earliest); |
| |
| Producer<String> producer = pulsarClient.newProducer(Schema.STRING) |
| .topic(topic) |
| .batchingMaxPublishDelay(Long.MAX_VALUE, TimeUnit.MILLISECONDS) |
| .create(); |
| |
| for (int i = 0; i < 100; i++) { |
| producer.sendAsync("msg - " + i); |
| } |
| producer.flush(); |
| |
| for (int i = 0; i < 350; i++) { |
| producer.sendAsync("msg - " + i); |
| } |
| producer.flush(); |
| |
| for (int i = 0; i < 50; i++) { |
| producer.sendAsync("msg - " + i); |
| producer.flush(); |
| } |
| |
| Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING) |
| .topic(topic) |
| .subscriptionName(subName) |
| .subscriptionType(SubscriptionType.Shared) |
| .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest) |
| .subscribe(); |
| |
| for (int i = 0; i < 500; i++) { |
| consumer.acknowledge(consumer.receive()); |
| } |
| |
| ConsumerImpl<String> consumerImpl = (ConsumerImpl<String>) consumer; |
| Assert.assertEquals(consumerImpl.incomingMessages.size(), 0); |
| |
| TopicStats stats = admin.topics().getStats(topic); |
| Assert.assertTrue(stats.getSubscriptions().get(subName).getConsumers().get(0).getAvailablePermits() > 0); |
| } |
| } |