mjsax commented on a change in pull request #10602: URL: https://github.com/apache/kafka/pull/10602#discussion_r622492627
########## File path: streams/upgrade-system-tests-28/src/test/java/org/apache/kafka/streams/tests/StreamsUpgradeTest.java ########## @@ -0,0 +1,86 @@ +/* + * 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.kafka.streams.tests; + +import org.apache.kafka.common.utils.Utils; +import org.apache.kafka.streams.KafkaStreams; +import org.apache.kafka.streams.StreamsBuilder; +import org.apache.kafka.streams.StreamsConfig; +import org.apache.kafka.streams.kstream.KStream; +import org.apache.kafka.streams.processor.AbstractProcessor; +import org.apache.kafka.streams.processor.ProcessorContext; +import org.apache.kafka.streams.processor.ProcessorSupplier; + +import java.util.Properties; + +public class StreamsUpgradeTest { + + @SuppressWarnings("unchecked") + public static void main(final String[] args) throws Exception { + if (args.length < 1) { + System.err.println("StreamsUpgradeTest requires one argument (properties-file) but provided none"); + } + final String propFileName = args[0]; + + final Properties streamsProperties = Utils.loadProps(propFileName); + + System.out.println("StreamsTest instance started (StreamsUpgradeTest v2.7)"); + System.out.println("props=" + streamsProperties); + + final StreamsBuilder builder = new StreamsBuilder(); + final KStream dataStream = builder.stream("data"); + dataStream.process(printProcessorSupplier()); + dataStream.to("echo"); + + final Properties config = new Properties(); + config.setProperty(StreamsConfig.APPLICATION_ID_CONFIG, "StreamsUpgradeTest"); + config.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, 1000); + config.putAll(streamsProperties); + + final KafkaStreams streams = new KafkaStreams(builder.build(), config); + streams.start(); + + Runtime.getRuntime().addShutdownHook(new Thread(() -> { + streams.close(); + System.out.println("UPGRADE-TEST-CLIENT-CLOSED"); + System.out.flush(); + })); + } + + private static <K, V> ProcessorSupplier<K, V> printProcessorSupplier() { + return () -> new AbstractProcessor<K, V>() { + private int numRecordsProcessed = 0; + + @Override + public void init(final ProcessorContext context) { + System.out.println("[2.6] initializing processor: topic=data taskId=" + context.taskId()); Review comment: Should be updated to 2.8 (Seem to be a c&p error) could you fix this in `2.7` and update to `2.7` ? Maybe worth to introduce a variable that encodes the version? -- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
