BewareMyPower commented on code in PR #389: URL: https://github.com/apache/pulsar-client-cpp/pull/389#discussion_r1464450750
########## tests/extensibleLM/ExtensibleLoadManagerTest.cc: ########## @@ -0,0 +1,200 @@ +/** + * 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. + */ +// Run `docker-compose up -d` to set up the test environment for this test. +#include <gtest/gtest.h> + +#include <thread> + +#include "include/pulsar/Client.h" +#include "lib/LogUtils.h" +#include "lib/Semaphore.h" +#include "tests/HttpHelper.h" +#include "tests/PulsarFriend.h" + +DECLARE_LOG_OBJECT() + +using namespace pulsar; + +bool checkTime() { + const static auto start = std::chrono::high_resolution_clock::now(); + auto end = std::chrono::high_resolution_clock::now(); + auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count(); + return duration < 180 * 1000; +} + +TEST(ExtensibleLoadManagerTest, testPubSubWhileUnloading) { + const static std::string adminUrl = "http://localhost:8080/";; + const static std::string topicName = + "persistent://public/unload-test/topic-1" + std::to_string(time(NULL)); + + ASSERT_TRUE(waitUntil(std::chrono::seconds(60), [&] { + std::string url = adminUrl + "admin/v2/namespaces/public/unload-test?bundles=1"; + int res = makePutRequest(url, ""); + return res == 204 || res == 409; + })); + + Client client{"pulsar://localhost:6650"}; + Producer producer; + ProducerConfiguration producerConfiguration; + Result producerResult = client.createProducer(topicName, producerConfiguration, producer); + ASSERT_EQ(producerResult, ResultOk); + Consumer consumer; + Result consumerResult = client.subscribe(topicName, "sub", consumer); + ASSERT_EQ(consumerResult, ResultOk); + + Semaphore firstUnloadSemaphore(0); + Semaphore secondUnloadSemaphore(0); + Semaphore halfPubWaitSemaphore(0); + const int msgCount = 10; + int produced = 0; + auto produce = [&]() { + int i = 0; + while (i < msgCount && checkTime()) { + if (i == 3) { + firstUnloadSemaphore.acquire(); + } + + if (i == 5) { + halfPubWaitSemaphore.release(); + } + + if (i == 8) { + secondUnloadSemaphore.acquire(); + } + + std::string content = std::to_string(i); + const auto msg = MessageBuilder().setContent(content).build(); + + ASSERT_TRUE(waitUntil(std::chrono::seconds(60), [&] { + Result sendResult = producer.send(msg); + return sendResult == ResultOk; + })); + + LOG_INFO("produced index:" << i); + produced++; + i++; + } + LOG_INFO("producer finished"); + }; + + int consumed = 0; + auto consume = [&]() { + Message receivedMsg; + int i = 0; + while (i < msgCount && checkTime()) { + ASSERT_TRUE(waitUntil(std::chrono::seconds(60), [&] { + Result receiveResult = + consumer.receive(receivedMsg, 1000); // Assumed that we wait 1000 ms for each message + return receiveResult == ResultOk; + })); + LOG_INFO("received index:" << i); + + int id = std::stoi(receivedMsg.getDataAsString()); + if (id < i) { + continue; + } + ASSERT_TRUE(waitUntil(std::chrono::seconds(60), [&] { + Result ackResult = consumer.acknowledge(receivedMsg); + return ackResult == ResultOk; + })); + LOG_INFO("acked index:" << i); + + consumed++; + i++; + } + LOG_INFO("consumer finished"); + }; + + std::thread produceThread(produce); + std::thread consumeThread(consume); + + auto unload = [&] { + auto clientImplPtr = PulsarFriend::getClientImplPtr(client); + auto &consumerImpl = PulsarFriend::getConsumerImpl(consumer); + auto &producerImpl = PulsarFriend::getProducerImpl(producer); + uint64_t lookupCountBeforeUnload; + std::string destinationBroker; + while (checkTime()) { + // make sure producers and consumers are ready + ASSERT_TRUE(waitUntil(std::chrono::seconds(30), + [&] { return consumerImpl.isConnected() && producerImpl.isConnected(); })); + + std::string url = adminUrl + "lookup/v2/topic/persistent/public/unload-test/topic-1"; + std::string responseDataBeforeUnload; + int res = makeGetRequest(url, responseDataBeforeUnload); + if (res != 200) { + continue; + } + destinationBroker = responseDataBeforeUnload.find("broker-2") == std::string::npos + ? "broker-2:8080" + : "broker-1:8080"; + lookupCountBeforeUnload = clientImplPtr->getLookupCount(); + ASSERT_TRUE(lookupCountBeforeUnload > 0); + + url = adminUrl + + "admin/v2/namespaces/public/unload-test/0x00000000_0xffffffff/unload?destinationBroker=" + + destinationBroker; + LOG_INFO("before lookup responseData:" << responseDataBeforeUnload << ",unload url:" << url + << ",lookupCountBeforeUnload:" << lookupCountBeforeUnload); + res = makePutRequest(url, ""); + LOG_INFO("unload res:" << res); + if (res != 204) { + continue; + } + + // make sure producers and consumers are ready + ASSERT_TRUE(waitUntil(std::chrono::seconds(30), + [&] { return consumerImpl.isConnected() && producerImpl.isConnected(); })); + std::string responseDataAfterUnload; + ASSERT_TRUE(waitUntil(std::chrono::seconds(60), [&] { + url = adminUrl + "lookup/v2/topic/persistent/public/unload-test/topic-1"; + res = makeGetRequest(url, responseDataAfterUnload); + return res == 200 && responseDataAfterUnload.find(destinationBroker) != std::string::npos; + })); + LOG_INFO("after lookup responseData:" << responseDataAfterUnload << ",res:" << res); + + // TODO: check lookup counter after pip-307 is released + auto lookupCountAfterUnload = clientImplPtr->getLookupCount(); + ASSERT_TRUE(lookupCountBeforeUnload < lookupCountAfterUnload); + break; + } + }; + LOG_INFO("starting first unload"); + unload(); + firstUnloadSemaphore.release(); + halfPubWaitSemaphore.acquire(); + LOG_INFO("starting second unload"); + unload(); + secondUnloadSemaphore.release(); + + produceThread.join(); + consumeThread.join(); + ASSERT_EQ(consumed, msgCount); + ASSERT_EQ(produced, msgCount); + if (!checkTime()) { + FAIL() << "timed out"; + } Review Comment: ```suggestion ASSERT_TRUE(checkTime()) << "timed out"; ``` GTest provides such way to print messages if assertion failed. -- This is an automated message from the Apache Git Service. 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