Examples with INVALID_SESSION_ID org.apache.kafka.common.requests.FetchMetadata.INVALID_SESSION_ID used on opensource projects

Example 1 with INVALID_SESSION_ID

use of org.apache.kafka.common.requests.FetchMetadata.INVALID_SESSION_ID in project kafka by apache.

the class FetcherTest method testFetchResponseMetrics.

@Test
public void testFetchResponseMetrics() {
    buildFetcher();
    String topic1 = "foo";
    String topic2 = "bar";
    TopicPartition tp1 = new TopicPartition(topic1, 0);
    TopicPartition tp2 = new TopicPartition(topic2, 0);
    subscriptions.assignFromUser(mkSet(tp1, tp2));
    Map<String, Integer> partitionCounts = new HashMap<>();
    partitionCounts.put(topic1, 1);
    partitionCounts.put(topic2, 1);
    topicIds.put(topic1, Uuid.randomUuid());
    topicIds.put(topic2, Uuid.randomUuid());
    TopicIdPartition tidp1 = new TopicIdPartition(topicIds.get(topic1), tp1);
    TopicIdPartition tidp2 = new TopicIdPartition(topicIds.get(topic2), tp2);
    client.updateMetadata(RequestTestUtils.metadataUpdateWithIds(1, partitionCounts, tp -> validLeaderEpoch, topicIds));
    int expectedBytes = 0;
    LinkedHashMap<TopicIdPartition, FetchResponseData.PartitionData> fetchPartitionData = new LinkedHashMap<>();
    for (TopicIdPartition tp : mkSet(tidp1, tidp2)) {
        subscriptions.seek(tp.topicPartition(), 0);
        MemoryRecordsBuilder builder = MemoryRecords.builder(ByteBuffer.allocate(1024), CompressionType.NONE, TimestampType.CREATE_TIME, 0L);
        for (int v = 0; v < 3; v++) builder.appendWithOffset(v, RecordBatch.NO_TIMESTAMP, "key".getBytes(), ("value-" + v).getBytes());
        MemoryRecords records = builder.build();
        for (Record record : records.records()) expectedBytes += record.sizeInBytes();
        fetchPartitionData.put(tp, new FetchResponseData.PartitionData().setPartitionIndex(tp.topicPartition().partition()).setHighWatermark(15).setLogStartOffset(0).setRecords(records));
    }
    assertEquals(1, fetcher.sendFetches());
    client.prepareResponse(FetchResponse.of(Errors.NONE, 0, INVALID_SESSION_ID, fetchPartitionData));
    consumerClient.poll(time.timer(0));
    Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> fetchedRecords = fetchedRecords();
    assertEquals(3, fetchedRecords.get(tp1).size());
    assertEquals(3, fetchedRecords.get(tp2).size());
    Map<MetricName, KafkaMetric> allMetrics = metrics.metrics();
    KafkaMetric fetchSizeAverage = allMetrics.get(metrics.metricInstance(metricsRegistry.fetchSizeAvg));
    KafkaMetric recordsCountAverage = allMetrics.get(metrics.metricInstance(metricsRegistry.recordsPerRequestAvg));
    assertEquals(expectedBytes, (Double) fetchSizeAverage.metricValue(), EPSILON);
    assertEquals(6, (Double) recordsCountAverage.metricValue(), EPSILON);
}