Shekharrajak commented on code in PR #22357:
URL: https://github.com/apache/kafka/pull/22357#discussion_r3482163103
##########
clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/consumer/ShareConsumerTransactionTest.java:
##########
@@ -128,6 +128,59 @@ public void testTransactionalShareAckCommitAccept() throws
Exception {
}
}
+ @ClusterTest
+ public void
testTransactionalShareAckCommitWithOutputRecordInSameTransaction() throws
Exception {
+ String groupId = "txn-share-commit-with-output";
+ String inputTopic = "txn-share-commit-with-output-input";
+ String outputTopic = "txn-share-commit-with-output-output";
+ TopicPartition inputTopicPartition = new TopicPartition(inputTopic, 0);
+ TopicPartition outputTopicPartition = new TopicPartition(outputTopic,
0);
+ String outputValue = "derived-first";
+ createTopic(inputTopic);
+ createTopic(outputTopic);
+ alterShareAutoOffsetReset(groupId, "earliest");
+
+ try (Producer<byte[], byte[]> producer = createProducer();
+ Producer<byte[], byte[]> transactionalProducer =
createTransactionalProducer("txn-share-commit-with-output-producer");
+ ShareConsumer<byte[], byte[]> shareConsumer = createShareConsumer(
+ groupId,
+ Map.of(ConsumerConfig.SHARE_ACKNOWLEDGEMENT_MODE_CONFIG,
EXPLICIT));
+ Admin admin = createAdminClient()) {
+
+ producer.send(record(inputTopicPartition, "first")).get();
+ producer.flush();
+
+ shareConsumer.subscribe(Set.of(inputTopic));
+ ConsumerRecords<byte[], byte[]> records =
waitedPoll(shareConsumer, 2500L, 1);
+ ConsumerRecord<byte[], byte[]> record = records.iterator().next();
+ assertEquals(0L, record.offset());
+ assertEquals("first", new String(record.value(),
StandardCharsets.UTF_8));
+
+ ShareGroupMetadata groupMetadata =
shareConsumer.shareGroupMetadata();
+ shareConsumer.acknowledge(record, AcknowledgeType.ACCEPT);
+ ShareAcknowledgements acknowledgements =
shareConsumer.acknowledgementsForTransaction();
+ assertFalse(acknowledgements.isEmpty());
+ TopicIdPartition acknowledgedPartition =
acknowledgements.acknowledgements().keySet().iterator().next();
+ assertEquals(inputTopicPartition,
acknowledgedPartition.topicPartition());
+
+ transactionalProducer.initTransactions();
+ transactionalProducer.partitionsFor(inputTopic);
+ transactionalProducer.partitionsFor(outputTopic);
+ transactionalProducer.beginTransaction();
+ transactionalProducer.send(record(outputTopicPartition,
outputValue)).get();
+
transactionalProducer.sendShareAcknowledgementsToTransaction(acknowledgements,
groupMetadata);
+ transactionalProducer.commitTransaction();
+
+ List<ConsumerRecord<byte[], byte[]>> outputRecords =
readCommittedRecords(outputTopicPartition, 1);
+ ConsumerRecord<byte[], byte[]> outputRecord = outputRecords.get(0);
+ assertEquals(0L, outputRecord.offset());
+ assertEquals(outputValue, new String(outputRecord.value(),
StandardCharsets.UTF_8));
Review Comment:
validation : one Kafka transaction can include both a normal output record
and share acknowledgements.
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