Examples with TestKafkaEvent org.apache.samza.test.util.TestKafkaEvent used on opensource projects

Example 1 with TestKafkaEvent

use of org.apache.samza.test.util.TestKafkaEvent in project samza by apache.

the class TestStartpoint method testStartpointOldest.

@Test
public void testStartpointOldest() throws InterruptedException {
    publishKafkaEventsWithDelayPerEvent(inputKafkaTopic3, 0, NUM_KAFKA_EVENTS, PROCESSOR_IDS[2], Duration.ofMillis(2));
    ConcurrentHashMap<String, IncomingMessageEnvelope> recvEventsInputStartpointOldest = new ConcurrentHashMap<>();
    CoordinatorStreamStore coordinatorStreamStore = createCoordinatorStreamStore(applicationConfig1);
    coordinatorStreamStore.init();
    StartpointManager startpointManager = new StartpointManager(coordinatorStreamStore);
    startpointManager.start();
    StartpointOldest startpointOldest = new StartpointOldest();
    writeStartpoints(startpointManager, inputKafkaTopic3, ZK_TEST_PARTITION_COUNT, startpointOldest);
    startpointManager.stop();
    coordinatorStreamStore.close();
    TestTaskApplication.TaskApplicationProcessCallback processedCallback = (IncomingMessageEnvelope ime, TaskCallback callback) -> {
        try {
            String streamName = ime.getSystemStreamPartition().getStream();
            TestKafkaEvent testKafkaEvent = TestKafkaEvent.fromString((String) ime.getMessage());
            String eventIndex = testKafkaEvent.getEventData();
            if (inputKafkaTopic3.equals(streamName)) {
                recvEventsInputStartpointOldest.put(eventIndex, ime);
            } else {
                throw new RuntimeException("Unexpected input stream: " + streamName);
            }
            callback.complete();
        } catch (Exception ex) {
            callback.failure(ex);
        }
    };
    // Fetch all since consuming from oldest
    CountDownLatch processedMessagesLatchStartpointOldest = new CountDownLatch(NUM_KAFKA_EVENTS);
    CountDownLatch shutdownLatchStartpointOldest = new CountDownLatch(1);
    TestTaskApplication testTaskApplicationStartpointOldest = new TestTaskApplication(TEST_SYSTEM, inputKafkaTopic3, outputKafkaTopic, processedMessagesLatchStartpointOldest, shutdownLatchStartpointOldest, Optional.of(processedCallback));
    ApplicationRunner appRunner = ApplicationRunners.getApplicationRunner(testTaskApplicationStartpointOldest, applicationConfig3);
    executeRun(appRunner, applicationConfig3);
    assertTrue(processedMessagesLatchStartpointOldest.await(1, TimeUnit.MINUTES));
    appRunner.kill();
    appRunner.waitForFinish();
    assertTrue(shutdownLatchStartpointOldest.await(1, TimeUnit.MINUTES));
    assertEquals("Expecting to have processed all the events", NUM_KAFKA_EVENTS, recvEventsInputStartpointOldest.size());
}

Example 2 with TestKafkaEvent

use of org.apache.samza.test.util.TestKafkaEvent in project samza by apache.

the class TestStartpoint method testStartpointUpcoming.

@Test
public void testStartpointUpcoming() throws InterruptedException {
    publishKafkaEventsWithDelayPerEvent(inputKafkaTopic4, 0, NUM_KAFKA_EVENTS, PROCESSOR_IDS[3], Duration.ofMillis(2));
    ConcurrentHashMap<String, IncomingMessageEnvelope> recvEventsInputStartpointUpcoming = new ConcurrentHashMap<>();
    CoordinatorStreamStore coordinatorStreamStore = createCoordinatorStreamStore(applicationConfig1);
    coordinatorStreamStore.init();
    StartpointManager startpointManager = new StartpointManager(coordinatorStreamStore);
    startpointManager.start();
    StartpointUpcoming startpointUpcoming = new StartpointUpcoming();
    writeStartpoints(startpointManager, inputKafkaTopic4, ZK_TEST_PARTITION_COUNT, startpointUpcoming);
    startpointManager.stop();
    coordinatorStreamStore.close();
    TestTaskApplication.TaskApplicationProcessCallback processedCallback = (IncomingMessageEnvelope ime, TaskCallback callback) -> {
        try {
            String streamName = ime.getSystemStreamPartition().getStream();
            TestKafkaEvent testKafkaEvent = TestKafkaEvent.fromString((String) ime.getMessage());
            String eventIndex = testKafkaEvent.getEventData();
            if (inputKafkaTopic4.equals(streamName)) {
                recvEventsInputStartpointUpcoming.put(eventIndex, ime);
            } else {
                throw new RuntimeException("Unexpected input stream: " + streamName);
            }
            callback.complete();
        } catch (Exception ex) {
            callback.failure(ex);
        }
    };
    // Expecting none, so just attempt a small number of fetches.
    CountDownLatch processedMessagesLatchStartpointUpcoming = new CountDownLatch(5);
    CountDownLatch shutdownLatchStartpointUpcoming = new CountDownLatch(1);
    TestTaskApplication testTaskApplicationStartpointUpcoming = new TestTaskApplication(TEST_SYSTEM, inputKafkaTopic4, outputKafkaTopic, processedMessagesLatchStartpointUpcoming, shutdownLatchStartpointUpcoming, Optional.of(processedCallback));
    // Startpoint upcoming
    ApplicationRunner appRunner = ApplicationRunners.getApplicationRunner(testTaskApplicationStartpointUpcoming, applicationConfig4);
    executeRun(appRunner, applicationConfig4);
    assertFalse("Expecting to timeout and not process any old messages.", processedMessagesLatchStartpointUpcoming.await(15, TimeUnit.SECONDS));
    assertEquals("Expecting not to process any old messages.", 0, recvEventsInputStartpointUpcoming.size());
    appRunner.kill();
    appRunner.waitForFinish();
    assertTrue(shutdownLatchStartpointUpcoming.await(1, TimeUnit.MINUTES));
}

Example 3 with TestKafkaEvent

use of org.apache.samza.test.util.TestKafkaEvent in project samza by apache.

the class TestStartpoint method testStartpointSpecific.

@Test
public void testStartpointSpecific() throws InterruptedException {
    Map<Integer, RecordMetadata> sentEvents1 = publishKafkaEventsWithDelayPerEvent(inputKafkaTopic1, 0, NUM_KAFKA_EVENTS, PROCESSOR_IDS[0], Duration.ofMillis(2));
    ConcurrentHashMap<String, IncomingMessageEnvelope> recvEventsInputStartpointSpecific = new ConcurrentHashMap<>();
    CoordinatorStreamStore coordinatorStreamStore = createCoordinatorStreamStore(applicationConfig1);
    coordinatorStreamStore.init();
    StartpointManager startpointManager = new StartpointManager(coordinatorStreamStore);
    startpointManager.start();
    StartpointSpecific startpointSpecific = new StartpointSpecific(String.valueOf(sentEvents1.get(100).offset()));
    writeStartpoints(startpointManager, inputKafkaTopic1, ZK_TEST_PARTITION_COUNT, startpointSpecific);
    startpointManager.stop();
    coordinatorStreamStore.close();
    TestTaskApplication.TaskApplicationProcessCallback processedCallback = (IncomingMessageEnvelope ime, TaskCallback callback) -> {
        try {
            String streamName = ime.getSystemStreamPartition().getStream();
            TestKafkaEvent testKafkaEvent = TestKafkaEvent.fromString((String) ime.getMessage());
            String eventIndex = testKafkaEvent.getEventData();
            if (inputKafkaTopic1.equals(streamName)) {
                recvEventsInputStartpointSpecific.put(eventIndex, ime);
            } else {
                throw new RuntimeException("Unexpected input stream: " + streamName);
            }
            callback.complete();
        } catch (Exception ex) {
            callback.failure(ex);
        }
    };
    // Just fetch a few messages
    CountDownLatch processedMessagesLatchStartpointSpecific = new CountDownLatch(100);
    CountDownLatch shutdownLatchStartpointSpecific = new CountDownLatch(1);
    TestTaskApplication testTaskApplicationStartpointSpecific = new TestTaskApplication(TEST_SYSTEM, inputKafkaTopic1, outputKafkaTopic, processedMessagesLatchStartpointSpecific, shutdownLatchStartpointSpecific, Optional.of(processedCallback));
    ApplicationRunner appRunner = ApplicationRunners.getApplicationRunner(testTaskApplicationStartpointSpecific, applicationConfig1);
    executeRun(appRunner, applicationConfig1);
    assertTrue(processedMessagesLatchStartpointSpecific.await(1, TimeUnit.MINUTES));
    appRunner.kill();
    appRunner.waitForFinish();
    assertTrue(shutdownLatchStartpointSpecific.await(1, TimeUnit.MINUTES));
    Integer startpointSpecificOffset = Integer.valueOf(startpointSpecific.getSpecificOffset());
    for (IncomingMessageEnvelope ime : recvEventsInputStartpointSpecific.values()) {
        Integer eventOffset = Integer.valueOf(ime.getOffset());
        String assertMsg = String.format("Expecting message offset: %d >= Startpoint specific offset: %d", eventOffset, startpointSpecificOffset);
        assertTrue(assertMsg, eventOffset >= startpointSpecificOffset);
    }
}

Example 4 with TestKafkaEvent

use of org.apache.samza.test.util.TestKafkaEvent in project samza by apache.

the class TestStartpoint method publishKafkaEventsWithDelayPerEvent.

// Sends each event synchronously and returns map of event index to event metadata of the sent record/event. Adds the specified delay between sends.
private Map<Integer, RecordMetadata> publishKafkaEventsWithDelayPerEvent(String topic, int startIndex, int endIndex, String streamProcessorId, Duration delay) {
    HashMap<Integer, RecordMetadata> eventsMetadata = new HashMap<>();
    for (int eventIndex = startIndex; eventIndex < endIndex; eventIndex++) {
        try {
            LOGGER.info("Publish kafka event with index : {} for stream processor: {}.", eventIndex, streamProcessorId);
            TestKafkaEvent testKafkaEvent = new TestKafkaEvent(streamProcessorId, String.valueOf(eventIndex));
            Thread.sleep(delay.toMillis());
            Future<RecordMetadata> send = producer.send(new ProducerRecord(topic, testKafkaEvent.toString().getBytes()));
            eventsMetadata.put(eventIndex, send.get(5, TimeUnit.SECONDS));
        } catch (Exception e) {
            LOGGER.error("Publishing to kafka topic: {} resulted in exception: {}.", new Object[] { topic, e });
            throw new SamzaException(e);
        }
    }
    producer.flush();
    return eventsMetadata;
}

Example 5 with TestKafkaEvent

use of org.apache.samza.test.util.TestKafkaEvent in project samza by apache.

the class TestStartpoint method testStartpointTimestamp.

@Test
public void testStartpointTimestamp() throws InterruptedException {
    Map<Integer, RecordMetadata> sentEvents2 = publishKafkaEventsWithDelayPerEvent(inputKafkaTopic2, 0, NUM_KAFKA_EVENTS, PROCESSOR_IDS[1], Duration.ofMillis(2));
    ConcurrentHashMap<String, IncomingMessageEnvelope> recvEventsInputStartpointTimestamp = new ConcurrentHashMap<>();
    CoordinatorStreamStore coordinatorStreamStore = createCoordinatorStreamStore(applicationConfig1);
    coordinatorStreamStore.init();
    StartpointManager startpointManager = new StartpointManager(coordinatorStreamStore);
    startpointManager.start();
    StartpointTimestamp startpointTimestamp = new StartpointTimestamp(sentEvents2.get(150).timestamp());
    writeStartpoints(startpointManager, inputKafkaTopic2, ZK_TEST_PARTITION_COUNT, startpointTimestamp);
    startpointManager.stop();
    coordinatorStreamStore.close();
    TestTaskApplication.TaskApplicationProcessCallback processedCallback = (IncomingMessageEnvelope ime, TaskCallback callback) -> {
        try {
            String streamName = ime.getSystemStreamPartition().getStream();
            TestKafkaEvent testKafkaEvent = TestKafkaEvent.fromString((String) ime.getMessage());
            String eventIndex = testKafkaEvent.getEventData();
            if (inputKafkaTopic2.equals(streamName)) {
                recvEventsInputStartpointTimestamp.put(eventIndex, ime);
            } else {
                throw new RuntimeException("Unexpected input stream: " + streamName);
            }
            callback.complete();
        } catch (Exception ex) {
            callback.failure(ex);
        }
    };
    // Just fetch a few messages
    CountDownLatch processedMessagesLatchStartpointTimestamp = new CountDownLatch(100);
    CountDownLatch shutdownLatchStartpointTimestamp = new CountDownLatch(1);
    TestTaskApplication testTaskApplicationStartpointTimestamp = new TestTaskApplication(TEST_SYSTEM, inputKafkaTopic2, outputKafkaTopic, processedMessagesLatchStartpointTimestamp, shutdownLatchStartpointTimestamp, Optional.of(processedCallback));
    ApplicationRunner appRunner = ApplicationRunners.getApplicationRunner(testTaskApplicationStartpointTimestamp, applicationConfig2);
    executeRun(appRunner, applicationConfig2);
    assertTrue(processedMessagesLatchStartpointTimestamp.await(1, TimeUnit.MINUTES));
    appRunner.kill();
    appRunner.waitForFinish();
    assertTrue(shutdownLatchStartpointTimestamp.await(1, TimeUnit.MINUTES));
    for (IncomingMessageEnvelope ime : recvEventsInputStartpointTimestamp.values()) {
        Integer eventOffset = Integer.valueOf(ime.getOffset());
        // sanity check
        assertNotEquals(0, ime.getEventTime());
        String assertMsg = String.format("Expecting message timestamp: %d >= Startpoint timestamp: %d", ime.getEventTime(), startpointTimestamp.getTimestampOffset());
        assertTrue(assertMsg, ime.getEventTime() >= startpointTimestamp.getTimestampOffset());
    }
}