showuon commented on a change in pull request #11292: URL: https://github.com/apache/kafka/pull/11292#discussion_r701534858
########## File path: streams/src/test/java/org/apache/kafka/streams/integration/WindowStoreFetchIntegrationTest.java ########## @@ -0,0 +1,229 @@ +/* + * 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.integration; + +import org.apache.kafka.common.serialization.Serdes; +import org.apache.kafka.common.serialization.StringSerializer; +import org.apache.kafka.common.utils.Bytes; +import org.apache.kafka.streams.KeyValue; +import org.apache.kafka.streams.StreamsBuilder; +import org.apache.kafka.streams.StreamsConfig; +import org.apache.kafka.streams.TestInputTopic; +import org.apache.kafka.streams.Topology; +import org.apache.kafka.streams.TopologyTestDriver; +import org.apache.kafka.streams.kstream.Consumed; +import org.apache.kafka.streams.kstream.Grouped; +import org.apache.kafka.streams.kstream.KStream; +import org.apache.kafka.streams.kstream.Materialized; +import org.apache.kafka.streams.kstream.TimeWindowedKStream; +import org.apache.kafka.streams.kstream.TimeWindows; +import org.apache.kafka.streams.kstream.Windowed; +import org.apache.kafka.streams.kstream.internals.TimeWindow; +import org.apache.kafka.streams.state.KeyValueIterator; +import org.apache.kafka.streams.state.Stores; +import org.apache.kafka.streams.state.WindowBytesStoreSupplier; +import org.apache.kafka.streams.state.WindowStore; +import org.apache.kafka.test.TestUtils; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.TestName; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; + +import java.time.Duration; +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; +import java.util.Properties; +import java.util.function.Supplier; + +import static java.time.Duration.ofMillis; +import static org.apache.kafka.common.utils.Utils.mkEntry; +import static org.apache.kafka.common.utils.Utils.mkMap; +import static org.apache.kafka.common.utils.Utils.mkProperties; + +@RunWith(Parameterized.class) +public class WindowStoreFetchIntegrationTest { + private enum StoreType { InMemory, RocksDB, Timed }; + private static final String STORE_NAME = "store"; + private static final int DATA_SIZE = 5; + private static final long WINDOW_SIZE = 500L; + private static final long RETENTION_MS = 10000L; + + private StoreType storeType; + private boolean enableLogging; + private boolean enableCaching; + private boolean forward; + + private LinkedList<KeyValue<Windowed<String>, Long>> expectedRecords; + private LinkedList<KeyValue<String, String>> records; + private Properties streamsConfig; + + private TimeWindowedKStream<String, String> windowedStream; + + public WindowStoreFetchIntegrationTest(final StoreType storeType, final boolean enableLogging, final boolean enableCaching, final boolean forward) { + this.storeType = storeType; + this.enableLogging = enableLogging; + this.enableCaching = enableCaching; + this.forward = forward; + + this.records = new LinkedList<>(); + this.expectedRecords = new LinkedList<>(); + final int m = DATA_SIZE / 2; + for (int i = 0; i < DATA_SIZE; i++) { + final String key = "key-" + i * 2; + final String value = "val-" + i * 2; + final KeyValue<String, String> r = new KeyValue<>(key, value); + records.add(r); + records.add(r); + // expected the count of each key is 2 + final long windowStartTime = i < m ? 0 : WINDOW_SIZE; + expectedRecords.add(new KeyValue<>(new Windowed<>(key, new TimeWindow(windowStartTime, windowStartTime + WINDOW_SIZE)), 2L)); + } + } + + @Rule + public TestName testName = new TestName(); + + @Parameterized.Parameters(name = "storeType={0}, enableLogging={1}, enableCaching={2}, forward={3}") + public static Collection<Object[]> data() { + final List<StoreType> types = Arrays.asList(StoreType.InMemory, StoreType.RocksDB, StoreType.Timed); + final List<Boolean> logging = Arrays.asList(true, false); + final List<Boolean> caching = Arrays.asList(true, false); + final List<Boolean> forward = Arrays.asList(true, false); Review comment: Test all kinds of combination. -- This is an automated message from the Apache Git Service. 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