Examples with OffsetForLeaderTopicResult org.apache.kafka.common.message.OffsetForLeaderEpochResponseData.OffsetForLeaderTopicResult used on opensource projects

Example 6 with OffsetForLeaderTopicResult

use of org.apache.kafka.common.message.OffsetForLeaderEpochResponseData.OffsetForLeaderTopicResult in project kafka by apache.

the class FetcherTest method testOffsetValidationRequestGrouping.

@Test
public void testOffsetValidationRequestGrouping() {
    buildFetcher();
    assignFromUser(mkSet(tp0, tp1, tp2, tp3));
    metadata.updateWithCurrentRequestVersion(RequestTestUtils.metadataUpdateWithIds("dummy", 3, Collections.emptyMap(), singletonMap(topicName, 4), tp -> 5, topicIds), false, 0L);
    for (TopicPartition tp : subscriptions.assignedPartitions()) {
        Metadata.LeaderAndEpoch leaderAndEpoch = new Metadata.LeaderAndEpoch(metadata.currentLeader(tp).leader, Optional.of(4));
        subscriptions.seekUnvalidated(tp, new SubscriptionState.FetchPosition(0, Optional.of(4), leaderAndEpoch));
    }
    Set<TopicPartition> allRequestedPartitions = new HashSet<>();
    for (Node node : metadata.fetch().nodes()) {
        apiVersions.update(node.idString(), NodeApiVersions.create());
        Set<TopicPartition> expectedPartitions = subscriptions.assignedPartitions().stream().filter(tp -> metadata.currentLeader(tp).leader.equals(Optional.of(node))).collect(Collectors.toSet());
        assertTrue(expectedPartitions.stream().noneMatch(allRequestedPartitions::contains));
        assertTrue(expectedPartitions.size() > 0);
        allRequestedPartitions.addAll(expectedPartitions);
        OffsetForLeaderEpochResponseData data = new OffsetForLeaderEpochResponseData();
        expectedPartitions.forEach(tp -> {
            OffsetForLeaderTopicResult topic = data.topics().find(tp.topic());
            if (topic == null) {
                topic = new OffsetForLeaderTopicResult().setTopic(tp.topic());
                data.topics().add(topic);
            }
            topic.partitions().add(new EpochEndOffset().setPartition(tp.partition()).setErrorCode(Errors.NONE.code()).setLeaderEpoch(4).setEndOffset(0));
        });
        OffsetsForLeaderEpochResponse response = new OffsetsForLeaderEpochResponse(data);
        client.prepareResponseFrom(body -> {
            OffsetsForLeaderEpochRequest request = (OffsetsForLeaderEpochRequest) body;
            return expectedPartitions.equals(offsetForLeaderPartitionMap(request.data()).keySet());
        }, response, node);
    }
    assertEquals(subscriptions.assignedPartitions(), allRequestedPartitions);
    fetcher.validateOffsetsIfNeeded();
    consumerClient.pollNoWakeup();
    assertTrue(subscriptions.assignedPartitions().stream().noneMatch(subscriptions::awaitingValidation));
}