apoorvmittal10 commented on code in PR #18459: URL: https://github.com/apache/kafka/pull/18459#discussion_r1913288932
########## core/src/test/java/kafka/server/share/SharePartitionTest.java: ########## @@ -1104,6 +1116,109 @@ public void testAcquireWithEmptyFetchRecords() { assertEquals(0, sharePartition.nextFetchOffset()); } + @Test + public void testAcquireWithBatchSizeAndSingleBatch() { + SharePartition sharePartition = SharePartitionBuilder.builder().withState(SharePartitionState.ACTIVE).build(); + // Single batch has more records than batch size. Hence, only a single batch exceeding the batch size + // should be acquired. + MemoryRecords records = memoryRecords(5); + List<AcquiredRecords> acquiredRecordsList = fetchAcquiredRecords(sharePartition.acquire( + MEMBER_ID, + 2 /* Batch size */, + 10, + new FetchPartitionData(Errors.NONE, 20, 0, records, + Optional.empty(), OptionalLong.empty(), Optional.empty(), OptionalInt.empty(), false)), + 5); + + assertArrayEquals(expectedAcquiredRecord(0, 4, 1).toArray(), acquiredRecordsList.toArray()); + assertEquals(5, sharePartition.nextFetchOffset()); + assertEquals(1, sharePartition.cachedState().size()); + assertEquals(0, sharePartition.cachedState().get(0L).firstOffset()); + assertEquals(4, sharePartition.cachedState().get(0L).lastOffset()); + assertEquals(RecordState.ACQUIRED, sharePartition.cachedState().get(0L).batchState()); + assertEquals(MEMBER_ID, sharePartition.cachedState().get(0L).batchMemberId()); + assertEquals(1, sharePartition.cachedState().get(0L).batchDeliveryCount()); + assertNull(sharePartition.cachedState().get(0L).offsetState()); + } + + @Test + public void testAcquireWithBatchSizeAndMultipleBatches() { + SharePartition sharePartition = SharePartitionBuilder.builder().withState(SharePartitionState.ACTIVE).build(); + // Create 3 batches of records. + ByteBuffer buffer = ByteBuffer.allocate(4096); + memoryRecordsBuilder(buffer, 5, 2).close(); + memoryRecordsBuilder(buffer, 5, 10).close(); + memoryRecordsBuilder(buffer, 7, 15).close(); + memoryRecordsBuilder(buffer, 5, 22).close(); + buffer.flip(); + MemoryRecords records = MemoryRecords.readableRecords(buffer); + + List<AcquiredRecords> acquiredRecordsList = fetchAcquiredRecords(sharePartition.acquire( + MEMBER_ID, + 5 /* Batch size */, + 100, + new FetchPartitionData(Errors.NONE, 20, 0, records, + Optional.empty(), OptionalLong.empty(), Optional.empty(), OptionalInt.empty(), false)), + 25 /* Gap of 3 records will also be added to first batch */); + + // Fetch expected records from 3 batches, but change the first expected record to include gap offsets. + List<AcquiredRecords> expectedAcquiredRecords = expectedAcquiredRecords(records, 1); + expectedAcquiredRecords.remove(0); + expectedAcquiredRecords.addAll(0, expectedAcquiredRecord(2, 9, 1)); + + assertArrayEquals(expectedAcquiredRecords.toArray(), acquiredRecordsList.toArray()); + assertEquals(27, sharePartition.nextFetchOffset()); + assertEquals(4, sharePartition.cachedState().size()); + assertTrue(sharePartition.cachedState().containsKey(2L)); + assertTrue(sharePartition.cachedState().containsKey(10L)); + assertTrue(sharePartition.cachedState().containsKey(15L)); + assertTrue(sharePartition.cachedState().containsKey(22L)); + assertEquals(RecordState.ACQUIRED, sharePartition.cachedState().get(2L).batchState()); + assertEquals(RecordState.ACQUIRED, sharePartition.cachedState().get(10L).batchState()); + assertEquals(RecordState.ACQUIRED, sharePartition.cachedState().get(15L).batchState()); + assertEquals(RecordState.ACQUIRED, sharePartition.cachedState().get(22L).batchState()); + assertEquals(MEMBER_ID, sharePartition.cachedState().get(2L).batchMemberId()); + assertEquals(MEMBER_ID, sharePartition.cachedState().get(10L).batchMemberId()); + assertEquals(MEMBER_ID, sharePartition.cachedState().get(15L).batchMemberId()); + assertEquals(MEMBER_ID, sharePartition.cachedState().get(22L).batchMemberId()); + assertEquals(1, sharePartition.cachedState().get(2L).batchDeliveryCount()); + assertEquals(1, sharePartition.cachedState().get(10L).batchDeliveryCount()); + assertEquals(1, sharePartition.cachedState().get(15L).batchDeliveryCount()); + assertEquals(1, sharePartition.cachedState().get(22L).batchDeliveryCount()); + assertNull(sharePartition.cachedState().get(2L).offsetState()); + assertNull(sharePartition.cachedState().get(10L).offsetState()); + assertNull(sharePartition.cachedState().get(15L).offsetState()); + assertNull(sharePartition.cachedState().get(22L).offsetState()); + } + + @Test + public void testAcquireWithBatchSizeWithBatchSize() { Review Comment: My bad, corrected it. -- 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