jeffkbkim commented on code in PR #14056: URL: https://github.com/apache/kafka/pull/14056#discussion_r1276923811
########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java: ########## @@ -8540,5 +8568,1182 @@ private static class RebalanceResult { this.followerAssignment = followerAssignment; } } + + @Test + public void testStaticMemberHeartbeatLeaderWithInvalidMemberId() throws Exception { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + context.createGenericGroup("group-id"); + + RebalanceResult rebalanceResult = staticMembersJoinAndRebalance( + context, + "group-id", + "leader-instance-id", + "follower-instance-id" + ); + + SyncGroupRequestData syncRequest = new SyncGroupRequestBuilder() + .withGroupId("group-id") + .withGroupInstanceId("leader-instance-id") + .withMemberId(rebalanceResult.leaderId) + .withGenerationId(rebalanceResult.generationId) + .build(); + + CompletableFuture<SyncGroupResponseData> syncFuture = new CompletableFuture<>(); + CoordinatorResult<Void, Record> result = context.sendGenericGroupSync(syncRequest, syncFuture); + + assertTrue(result.records().isEmpty()); + assertTrue(syncFuture.isDone()); + assertEquals(Errors.NONE.code(), syncFuture.get().errorCode()); + + HeartbeatRequestData heartbeatRequest = new HeartbeatRequestData() + .setGroupId("group-id") + .setMemberId(rebalanceResult.leaderId) + .setGenerationId(rebalanceResult.generationId); + + HeartbeatResponseData validHeartbeatResponse = context.sendGenericGroupHeartbeat(heartbeatRequest); + assertEquals(Errors.NONE.code(), validHeartbeatResponse.errorCode()); + + HeartbeatResponseData inValidHeartbeatResponse = context.sendGenericGroupHeartbeat( + heartbeatRequest.setGroupInstanceId("leader-instance-id") + .setMemberId("invalid-member-id")); + + assertEquals(Errors.FENCED_INSTANCE_ID.code(), inValidHeartbeatResponse.errorCode()); + } + + @Test + public void testHeartbeatUnknownGroup() { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + + HeartbeatRequestData heartbeatRequest = new HeartbeatRequestData() + .setGroupId("group-id") + .setMemberId("member-id") + .setGenerationId(-1); + + HeartbeatResponseData heartbeatResponse = context.sendGenericGroupHeartbeat(heartbeatRequest); + assertEquals(Errors.UNKNOWN_MEMBER_ID.code(), heartbeatResponse.errorCode()); + } + + @Test + public void testHeartbeatDeadGroup() { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + GenericGroup group = context.createGenericGroup("group-id"); + + group.transitionTo(DEAD); + + HeartbeatRequestData heartbeatRequest = new HeartbeatRequestData() + .setGroupId("group-id") + .setMemberId("member-id") + .setGenerationId(-1); + + HeartbeatResponseData heartbeatResponse = context.sendGenericGroupHeartbeat(heartbeatRequest); + assertEquals(Errors.COORDINATOR_NOT_AVAILABLE.code(), heartbeatResponse.errorCode()); + } + + @Test + public void testHeartbeatEmptyGroup() { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + GenericGroup group = context.createGenericGroup("group-id"); + + JoinGroupRequestProtocolCollection protocols = new JoinGroupRequestProtocolCollection(); + protocols.add(new JoinGroupRequestProtocol() + .setName("range") + .setMetadata(new byte[]{0})); + + group.add(new GenericGroupMember( + "member-id", + Optional.empty(), + "client-id", + "client-host", + 10000, + 5000, + "consumer", + protocols + )); + + group.transitionTo(PREPARING_REBALANCE); + group.transitionTo(EMPTY); + + HeartbeatRequestData heartbeatRequest = new HeartbeatRequestData() + .setGroupId("group-id") + .setMemberId("member-id") + .setGenerationId(0); + + HeartbeatResponseData heartbeatResponse = context.sendGenericGroupHeartbeat(heartbeatRequest); + assertEquals(Errors.UNKNOWN_MEMBER_ID.code(), heartbeatResponse.errorCode()); + } + + @Test + public void testHeartbeatUnknownMemberExistingGroup() throws Exception { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + GenericGroup group = context.createGenericGroup("group-id"); + + JoinGroupRequestData joinRequest = new JoinGroupRequestBuilder() + .withGroupId("group-id") + .withMemberId(UNKNOWN_MEMBER_ID) + .withDefaultProtocolTypeAndProtocols() + .build(); + + JoinGroupResponseData leaderJoinResponse = + context.joinGenericGroupAndCompleteJoinAsDynamicMemberAndCompleteJoin(joinRequest); + + String leaderId = leaderJoinResponse.memberId(); + int generationId = leaderJoinResponse.generationId(); + + assertEquals(1, generationId); + + SyncGroupRequestData syncRequest = new SyncGroupRequestBuilder() + .withGroupId("group-id") + .withMemberId(leaderId) + .withGenerationId(generationId) + .build(); + + CompletableFuture<SyncGroupResponseData> syncFuture = new CompletableFuture<>(); + CoordinatorResult<Void, Record> result = context.sendGenericGroupSync(syncRequest, syncFuture); + + assertEquals( + Collections.singletonList(RecordHelpers.newGroupMetadataRecord(group, MetadataVersion.latest())), + result.records() + ); + // Simulate a successful write to the log. + result.appendFuture().complete(null); + + assertTrue(syncFuture.isDone()); + assertEquals(Errors.NONE.code(), syncFuture.get().errorCode()); + assertTrue(group.isInState(STABLE)); + + HeartbeatRequestData heartbeatRequest = new HeartbeatRequestData() + .setGroupId("group-id") + .setMemberId("unknown-member-id") + .setGenerationId(generationId); + + HeartbeatResponseData heartbeatResponse = context.sendGenericGroupHeartbeat(heartbeatRequest); + assertEquals(Errors.UNKNOWN_MEMBER_ID.code(), heartbeatResponse.errorCode()); + } + + @Test + public void testHeartbeatDuringPreparingRebalance() throws Exception { + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .build(); + GenericGroup group = context.createGenericGroup("group-id"); + + JoinGroupRequestData joinRequest = new JoinGroupRequestBuilder() + .withGroupId("group-id") + .withMemberId(UNKNOWN_MEMBER_ID) + .withDefaultProtocolTypeAndProtocols() + .build(); + + CompletableFuture<JoinGroupResponseData> joinFuture = new CompletableFuture<>(); + CoordinatorResult<Void, Record> result = context.sendGenericGroupJoin(joinRequest, joinFuture, true); + + assertTrue(result.records().isEmpty()); + assertTrue(joinFuture.isDone()); + assertEquals(Errors.MEMBER_ID_REQUIRED.code(), joinFuture.get().errorCode()); + + String memberId = joinFuture.get().memberId(); + + joinFuture = new CompletableFuture<>(); + context.sendGenericGroupJoin(joinRequest.setMemberId(memberId), joinFuture); Review Comment: the helper joins and completes the join phase (advances clock). should i add another helper that joins as dynamic member? -- This is an automated message from the Apache Git Service. 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