junrao commented on code in PR #13272: URL: https://github.com/apache/kafka/pull/13272#discussion_r1110288858
########## core/src/test/scala/kafka/server/LocalLeaderEndPointTest.scala: ########## @@ -118,6 +120,46 @@ class LocalLeaderEndPointTest { assertEquals((4, 3L), endPoint.fetchEarliestLocalOffset(topicPartition, currentLeaderEpoch = 7)) } + @Test + def testFetchEpochEndOffsets(): Unit = { + appendRecords(replicaManager, topicPartition, records) + .onFire(response => assertEquals(Errors.NONE, response.error)) + + var result = endPoint.fetchEpochEndOffsets(Map( + topicPartition -> new OffsetForLeaderPartition() + .setPartition(topicPartition.partition) + .setLeaderEpoch(0))) + + var expected = Map( + topicPartition -> new EpochEndOffset() + .setPartition(topicPartition.partition) + .setErrorCode(Errors.NONE.code) + .setLeaderEpoch(0) + .setEndOffset(3L)) + + assertEquals(expected, result) + + // Change leader epoch and end offset, and verify the behavior again. + val leaderAndIsrRequest = buildLeaderAndIsrRequest(leaderEpoch = 4) + replicaManager.becomeLeaderOrFollower(0, leaderAndIsrRequest, (_, _) => ()) + appendRecords(replicaManager, topicPartition, records) + .onFire(response => assertEquals(Errors.NONE, response.error)) + + result = endPoint.fetchEpochEndOffsets(Map( + topicPartition -> new OffsetForLeaderPartition() + .setPartition(topicPartition.partition) + .setLeaderEpoch(4))) + + expected = Map( + topicPartition -> new EpochEndOffset() + .setPartition(topicPartition.partition) + .setErrorCode(Errors.NONE.code) + .setLeaderEpoch(4) + .setEndOffset(6L)) + + assertEquals(expected, result) Review Comment: Could we also test a missing epoch like 3? -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org