MartijnVisser commented on code in PR #1: URL: https://github.com/apache/flink-connector-rabbitmq/pull/1#discussion_r983398565
########## flink-connector-rabbitmq/src/test/java/org/apache/flink/connector/rabbitmq/sink/RabbitMQSinkITCase.java: ########## @@ -0,0 +1,156 @@ +/* + * 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.flink.connector.rabbitmq.sink; + +import org.apache.flink.connector.rabbitmq.common.ConsistencyMode; +import org.apache.flink.connector.rabbitmq.common.RabbitMQBaseTest; +import org.apache.flink.connector.rabbitmq.common.RabbitMQContainerClient; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.functions.source.SourceFunction; + +import org.junit.Before; +import org.junit.Test; + +import java.util.List; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.atomic.AtomicBoolean; + +import static org.junit.Assert.assertArrayEquals; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +/** + * The tests for the RabbitMQ sink with different consistency modes. As the tests are working a lot + * with timeouts to uphold stream it is possible that tests might fail. + */ +public class RabbitMQSinkITCase extends RabbitMQBaseTest { + + private static AtomicBoolean shouldFail; + + @Before + public void setup() { + shouldFail = new AtomicBoolean(true); + } + + private static class GeneratorFailureSource implements SourceFunction<String> { + + private final BlockingQueue<String> messagesToSend; + private int failAtNthMessage; + + public GeneratorFailureSource(BlockingQueue<String> messagesToSend, int failAtNthMessage) { + this.messagesToSend = messagesToSend; + this.failAtNthMessage = failAtNthMessage; + shouldFail.set(true); + } + + @Override + public void run(SourceContext<String> sourceContext) throws Exception { + while (true) { + if (failAtNthMessage == 0 && shouldFail.get()) { + shouldFail.set(false); + throw new Exception("Supposed to Fail"); + } + failAtNthMessage -= 1; + String message = messagesToSend.take(); + sourceContext.collect(message); + } + } + + @Override + public void cancel() {} + } + + @Test + public void atMostOnceTest() throws Exception { + List<String> messages = getRandomMessages(100); + + DataStream<String> stream = env.fromCollection(messages); + RabbitMQContainerClient<String> client = + addSinkOn(stream, ConsistencyMode.AT_MOST_ONCE, messages.size()); + executeFlinkJob(); + client.await(); + + List<String> receivedMessages = client.getConsumedMessages(); + assertEquals(messages, receivedMessages); + } + + @Test + public void atLeastOnceTest() throws Exception { + List<String> messages = getRandomMessages(100); + DataStream<String> stream = env.fromCollection(messages); + RabbitMQContainerClient<String> client = + addSinkOn(stream, ConsistencyMode.AT_LEAST_ONCE, messages.size()); + + executeFlinkJob(); + client.await(); + + List<String> receivedMessages = client.getConsumedMessages(); + assertEquals(messages, receivedMessages); + } + + @Test + public void atLeastOnceWithFlinkFailureTest() throws Exception { Review Comment: Also fails on the CI -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
