satishd commented on a change in pull request #10218: URL: https://github.com/apache/kafka/pull/10218#discussion_r606257469
########## File path: remote-storage/src/test/java/org/apache/kafka/server/log/remote/storage/RemoteLogMetadataCacheTest.java ########## @@ -0,0 +1,149 @@ +/* + * 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.server.log.remote.storage; + +import org.apache.kafka.common.TopicIdPartition; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.Uuid; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; +import java.util.Collections; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; + +public class RemoteLogMetadataCacheTest { + + private static final TopicIdPartition TP0 = new TopicIdPartition(Uuid.randomUuid(), + new TopicPartition("foo", 0)); + private static final int SEG_SIZE = 1024 * 1024; + private static final int BROKER_ID = 0; + + @Test + public void testCacheSegmentsWithDifferentStates() throws Exception { + RemoteLogMetadataCache cache = new RemoteLogMetadataCache(); + + // Add segments with different states and check cache.remoteLogSegmentMetadata(int leaderEpoch, long offset) + // cache.listRemoteLogSegments(int leaderEpoch), and cache.listAllRemoteLogSegments(). + + // ============================================================================================================= + // 1.Create a segment with state COPY_SEGMENT_STARTED, and check for searching that segment and listing the + // segments. + // ============================================================================================================== + Map<Integer, Long> seg0leaderEpochs = Collections.singletonMap(0, 0L); + RemoteLogSegmentId seg0Id = new RemoteLogSegmentId(TP0, Uuid.randomUuid()); + RemoteLogSegmentMetadata segCopyInProgress = new RemoteLogSegmentMetadata(seg0Id, 0L, 50L, -1L, BROKER_ID, + System.currentTimeMillis(), SEG_SIZE, seg0leaderEpochs); + cache.addToInProgress(segCopyInProgress); + + // This segment should not be available as the state is not reached to COPY_SEGMENT_FINISHED. + Optional<RemoteLogSegmentMetadata> seg0s0e0 = cache.remoteLogSegmentMetadata(0, 0); + Assertions.assertFalse(seg0s0e0.isPresent()); + + // cache.listRemoteLogSegments(0) should not contain the above segment, it will be empty. + Assertions.assertFalse(cache.listRemoteLogSegments(0).hasNext()); + // But cache.listRemoteLogSegments() should contain the above segment. + checkContainsAll(cache.listAllRemoteLogSegments(), Collections.singletonList(segCopyInProgress)); + + // ============================================================================================================= + // 2.Create a segment and move it to state COPY_SEGMENT_FINISHED. and check for searching that segment and + // listing the segments. + // ============================================================================================================== + Map<Integer, Long> seg1leaderEpochs = Collections.singletonMap(0, 101L); + RemoteLogSegmentId seg1Id = new RemoteLogSegmentId(TP0, Uuid.randomUuid()); + RemoteLogSegmentMetadata seg1 = new RemoteLogSegmentMetadata(seg1Id, 101L, 200L, -1L, BROKER_ID, + System.currentTimeMillis(), SEG_SIZE, seg1leaderEpochs); + cache.addToInProgress(seg1); + RemoteLogSegmentMetadataUpdate seg1Update = new RemoteLogSegmentMetadataUpdate(seg1Id, + System.currentTimeMillis(), RemoteLogSegmentState.COPY_SEGMENT_FINISHED, BROKER_ID); + cache.updateRemoteLogSegmentMetadata(seg1Update); + RemoteLogSegmentMetadata segCopyFinished = seg1.createRemoteLogSegmentWithUpdates(seg1Update); + + // Search should return the above segment. + Optional<RemoteLogSegmentMetadata> seg1S150 = cache.remoteLogSegmentMetadata(0, 150); + Assertions.assertEquals(seg1.createRemoteLogSegmentWithUpdates(seg1Update), seg1S150.orElse(null)); + + // cache.listRemoteLogSegments(0) should not contain the above segment. + checkContainsAll(cache.listRemoteLogSegments(0), Collections.singletonList(segCopyFinished)); + // But cache.listRemoteLogSegments() should contain both the segments. + checkContainsAll(cache.listAllRemoteLogSegments(), Arrays.asList(segCopyInProgress, segCopyFinished)); + + // ============================================================================================================= + // 3.Create a segment and move it to state DELETE_SEGMENT_STARTED, and check for searching that segment and + // listing the segments. + // ============================================================================================================== + Map<Integer, Long> seg2leaderEpochs = Collections.singletonMap(0, 201L); + RemoteLogSegmentId seg2Id = new RemoteLogSegmentId(TP0, Uuid.randomUuid()); + RemoteLogSegmentMetadata seg2 = new RemoteLogSegmentMetadata(seg2Id, 201L, 300L, -1L, BROKER_ID, + System.currentTimeMillis(), SEG_SIZE, seg2leaderEpochs); + cache.addToInProgress(seg2); + RemoteLogSegmentMetadataUpdate seg2Update = new RemoteLogSegmentMetadataUpdate(seg2Id, + System.currentTimeMillis(), RemoteLogSegmentState.DELETE_SEGMENT_STARTED, BROKER_ID); + cache.updateRemoteLogSegmentMetadata(seg2Update); + RemoteLogSegmentMetadata segDeleteStarted = seg2.createRemoteLogSegmentWithUpdates(seg2Update); + + // Search should return the above segment. + Optional<RemoteLogSegmentMetadata> seg2S250 = cache.remoteLogSegmentMetadata(0, 250); + Assertions.assertEquals(seg2.createRemoteLogSegmentWithUpdates(seg2Update), seg2S250.orElse(null)); + + // cache.listRemoteLogSegments(0) should contain the above segment. + checkContainsAll(cache.listRemoteLogSegments(0), Arrays.asList(segCopyFinished, segDeleteStarted)); + // But cache.listRemoteLogSegments() should contain all the segments. + checkContainsAll(cache.listAllRemoteLogSegments(), + Arrays.asList(segCopyInProgress, segCopyFinished, segDeleteStarted)); + + // ============================================================================================================= + // 4.Create a segment and move it to state DELETE_SEGMENT_FINISHED, and check for searching that segment and + // listing the segments. + // ============================================================================================================== + Map<Integer, Long> seg3leaderEpochs = Collections.singletonMap(0, 301L); + RemoteLogSegmentId seg3Id = new RemoteLogSegmentId(TP0, Uuid.randomUuid()); + RemoteLogSegmentMetadata seg3 = new RemoteLogSegmentMetadata(seg3Id, 301L, 400L, -1L, BROKER_ID, + System.currentTimeMillis(), SEG_SIZE, seg3leaderEpochs); + cache.addToInProgress(seg3); + RemoteLogSegmentMetadataUpdate seg3Update1 = new RemoteLogSegmentMetadataUpdate(seg3Id, + System.currentTimeMillis(), RemoteLogSegmentState.DELETE_SEGMENT_STARTED, BROKER_ID); Review comment: Sure, I will add that. -- This is an automated message from the Apache Git Service. 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