Examples with Promise io.vertx.core.Promise used on opensource projects

Example 21 with Promise

use of io.vertx.core.Promise in project hono by eclipse.

the class CommandAndControlAmqpIT method testSendCommandFailsWhenNoCredit.

/**
 * Verifies that the adapter immediately forwards the <em>released</em> disposition
 * if there is no credit left for sending the command to the device.
 * <p>
 * If Kafka is used, this means a corresponding error command response is published.
 *
 * @param endpointConfig The endpoints to use for sending/receiving commands.
 * @param ctx The vert.x test context.
 * @throws InterruptedException if not all commands and responses are exchanged in time.
 */
@ParameterizedTest(name = IntegrationTestSupport.PARAMETERIZED_TEST_NAME_PATTERN)
@MethodSource("allCombinations")
@Timeout(timeUnit = TimeUnit.SECONDS, value = 10)
public void testSendCommandFailsWhenNoCredit(final AmqpCommandEndpointConfiguration endpointConfig, final VertxTestContext ctx) throws InterruptedException {
    final String commandTargetDeviceId = endpointConfig.isSubscribeAsGateway() ? helper.setupGatewayDeviceBlocking(tenantId, deviceId, 5) : deviceId;
    final String firstCommandSubject = "firstCommandSubject";
    final Promise<Void> firstCommandReceived = Promise.promise();
    final VertxTestContext setup = new VertxTestContext();
    final Checkpoint setupDone = setup.checkpoint();
    final Checkpoint preconditions = setup.checkpoint(1);
    connectToAdapter(tenantId, deviceId, password, () -> createEventConsumer(tenantId, msg -> {
        // expect empty notification with TTD -1
        setup.verify(() -> assertThat(msg.getContentType()).isEqualTo(EventConstants.CONTENT_TYPE_EMPTY_NOTIFICATION));
        final TimeUntilDisconnectNotification notification = msg.getTimeUntilDisconnectNotification().orElse(null);
        log.info("received notification [{}]", notification);
        setup.verify(() -> assertThat(notification).isNotNull());
        if (notification.getTtd() == -1) {
            preconditions.flag();
        }
    })).compose(con -> subscribeToCommands(endpointConfig, tenantId, commandTargetDeviceId)).onSuccess(recv -> {
        recv.handler((delivery, msg) -> {
            log.info("received command [name: {}, reply-to: {}, correlation-id: {}]", msg.getSubject(), msg.getReplyTo(), msg.getCorrelationId());
            ctx.verify(() -> {
                assertThat(msg.getSubject()).isEqualTo(firstCommandSubject);
            });
            firstCommandReceived.complete();
            ProtonHelper.accepted(delivery, true);
        // don't send credits
        });
        // just give 1 initial credit
        recv.flow(1);
    }).onComplete(setup.succeeding(v -> setupDone.flag()));
    assertWithMessage("setup of adapter finished within %s seconds", IntegrationTestSupport.getTestSetupTimeout()).that(setup.awaitCompletion(IntegrationTestSupport.getTestSetupTimeout(), TimeUnit.SECONDS)).isTrue();
    if (setup.failed()) {
        ctx.failNow(setup.causeOfFailure());
        return;
    }
    // send first command
    helper.sendOneWayCommand(tenantId, commandTargetDeviceId, firstCommandSubject, "text/plain", Buffer.buffer("cmd"), helper.getSendCommandTimeout(true)).onFailure(ctx::failNow).compose(ok -> {
        log.info("sent first command [subject: {}]", firstCommandSubject);
        return firstCommandReceived.future();
    }).compose(ok -> helper.sendCommand(tenantId, commandTargetDeviceId, "secondCommandSubject", "text/plain", Buffer.buffer("cmd"), helper.getSendCommandTimeout(false))).onComplete(ctx.failing(t -> {
        ctx.verify(() -> {
            assertThat(t).isInstanceOf(ServerErrorException.class);
            assertThat(((ServerErrorException) t).getErrorCode()).isEqualTo(HttpURLConnection.HTTP_UNAVAILABLE);
            // with no explicit credit check, the AMQP adapter would just run into the
            // "waiting for delivery update" timeout (after 1s) and the error here would be caused
            // by a request timeout in the sendOneWayCommand() method above
            assertThat(t).isNotInstanceOf(SendMessageTimeoutException.class);
            assertThat(t.getMessage()).doesNotContain("timed out");
        });
        ctx.completeNow();
    }));
}

Example 22 with Promise

use of io.vertx.core.Promise in project hono by eclipse.

the class HonoKafkaConsumerIT method testConsumerAutoCreatesTopicAndReadsLatestRecordsPublishedAfterStart.

/**
 * Verifies that a HonoKafkaConsumer that is using a not yet existing topic and that is configured with
 * "latest" as offset reset strategy, only receives records on the auto-created topic published after the consumer
 * <em>start()</em> method has completed.
 *
 * @param partitionAssignmentStrategy The partition assignment strategy to use for the consumer.
 * @param ctx The vert.x test context.
 */
@ParameterizedTest
@MethodSource("partitionAssignmentStrategies")
@Timeout(value = 10, timeUnit = TimeUnit.SECONDS)
public void testConsumerAutoCreatesTopicAndReadsLatestRecordsPublishedAfterStart(final String partitionAssignmentStrategy, final VertxTestContext ctx) {
    // prepare consumer
    final Map<String, String> consumerConfig = IntegrationTestSupport.getKafkaConsumerConfig().getConsumerConfig("test");
    applyPartitionAssignmentStrategy(consumerConfig, partitionAssignmentStrategy);
    consumerConfig.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
    final AtomicReference<Promise<Void>> nextRecordReceivedPromiseRef = new AtomicReference<>();
    final List<KafkaConsumerRecord<String, Buffer>> receivedRecords = new ArrayList<>();
    final Handler<KafkaConsumerRecord<String, Buffer>> recordHandler = record -> {
        receivedRecords.add(record);
        Optional.ofNullable(nextRecordReceivedPromiseRef.get()).ifPresent(Promise::complete);
    };
    final String topic = "test_" + UUID.randomUUID();
    topicsToDeleteAfterTests.add(topic);
    kafkaConsumer = new HonoKafkaConsumer(vertx, Set.of(topic), recordHandler, consumerConfig);
    // start consumer
    kafkaConsumer.start().onComplete(ctx.succeeding(v -> {
        ctx.verify(() -> {
            assertThat(receivedRecords.size()).isEqualTo(0);
        });
        final Promise<Void> nextRecordReceivedPromise = Promise.promise();
        nextRecordReceivedPromiseRef.set(nextRecordReceivedPromise);
        LOG.debug("consumer started, publish record to be received by the consumer");
        final String recordKey = "addedAfterStartKey";
        publish(topic, recordKey, Buffer.buffer("testPayload"));
        nextRecordReceivedPromise.future().onComplete(ar -> {
            ctx.verify(() -> {
                assertThat(receivedRecords.size()).isEqualTo(1);
                assertThat(receivedRecords.get(0).key()).isEqualTo(recordKey);
            });
            ctx.completeNow();
        });
    }));
}

Example 23 with Promise

use of io.vertx.core.Promise in project hono by eclipse.

the class HonoKafkaConsumerIT method testConsumerReadsAllRecordsForDynamicallyCreatedTopics.

/**
 * Verifies that a HonoKafkaConsumer configured with "latest" as offset reset strategy and a topic pattern
 * subscription receives records published after multiple <em>ensureTopicIsAmongSubscribedTopicPatternTopics()</em>
 * invocations have been completed.
 *
 * @param partitionAssignmentStrategy The partition assignment strategy to use for the consumer.
 * @param ctx The vert.x test context.
 * @throws InterruptedException if test execution gets interrupted.
 */
@ParameterizedTest
@MethodSource("partitionAssignmentStrategies")
@Timeout(value = 10, timeUnit = TimeUnit.SECONDS)
public void testConsumerReadsAllRecordsForDynamicallyCreatedTopics(final String partitionAssignmentStrategy, final VertxTestContext ctx) throws InterruptedException {
    final String patternPrefix = "test_" + UUID.randomUUID() + "_";
    final int numTopicsAndRecords = 3;
    final Pattern topicPattern = Pattern.compile(Pattern.quote(patternPrefix) + ".*");
    // prepare consumer
    final Map<String, String> consumerConfig = IntegrationTestSupport.getKafkaConsumerConfig().getConsumerConfig("test");
    applyPartitionAssignmentStrategy(consumerConfig, partitionAssignmentStrategy);
    consumerConfig.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
    final Promise<Void> allRecordsReceivedPromise = Promise.promise();
    final List<KafkaConsumerRecord<String, Buffer>> receivedRecords = new ArrayList<>();
    final Handler<KafkaConsumerRecord<String, Buffer>> recordHandler = record -> {
        receivedRecords.add(record);
        if (receivedRecords.size() == numTopicsAndRecords) {
            allRecordsReceivedPromise.complete();
        }
    };
    kafkaConsumer = new HonoKafkaConsumer(vertx, topicPattern, recordHandler, consumerConfig);
    // start consumer
    kafkaConsumer.start().onComplete(ctx.succeeding(v -> {
        ctx.verify(() -> {
            assertThat(receivedRecords.size()).isEqualTo(0);
        });
        LOG.debug("consumer started, create new topics implicitly by invoking ensureTopicIsAmongSubscribedTopicPatternTopics()");
        final String recordKey = "addedAfterStartKey";
        for (int i = 0; i < numTopicsAndRecords; i++) {
            final String topic = patternPrefix + i;
            kafkaConsumer.ensureTopicIsAmongSubscribedTopicPatternTopics(topic).onComplete(ctx.succeeding(v2 -> {
                LOG.debug("publish record to be received by the consumer");
                publish(topic, recordKey, Buffer.buffer("testPayload"));
            }));
        }
        allRecordsReceivedPromise.future().onComplete(ar -> {
            ctx.verify(() -> {
                assertThat(receivedRecords.size()).isEqualTo(numTopicsAndRecords);
                receivedRecords.forEach(record -> assertThat(record.key()).isEqualTo(recordKey));
            });
            ctx.completeNow();
        });
    }));
    if (!ctx.awaitCompletion(9, TimeUnit.SECONDS)) {
        ctx.failNow(new IllegalStateException(String.format("timeout waiting for expected number of records (%d) to be received; received records: %d", numTopicsAndRecords, receivedRecords.size())));
    }
}

Example 24 with Promise

use of io.vertx.core.Promise in project hono by eclipse.

the class HonoKafkaConsumerIT method testConsumerReadsAllRecordsAfterStart.

/**
 * Verifies that a HonoKafkaConsumer configured with "earliest" as offset reset strategy receives all
 * current records after the consumer <em>start()</em> method has completed.
 *
 * @param ctx The vert.x test context.
 * @throws InterruptedException if test execution gets interrupted.
 */
@Test
@Timeout(value = 10, timeUnit = TimeUnit.SECONDS)
public void testConsumerReadsAllRecordsAfterStart(final VertxTestContext ctx) throws InterruptedException {
    final int numTopics = 2;
    final int numPartitions = 5;
    final int numTestRecordsPerTopic = 20;
    final Set<String> topics = IntStream.range(0, numTopics).mapToObj(i -> "test_" + i + "_" + UUID.randomUUID()).collect(Collectors.toSet());
    final VertxTestContext setup = new VertxTestContext();
    createTopics(topics, numPartitions).compose(v -> publishRecords(numTestRecordsPerTopic, "key_", topics)).onComplete(setup.succeedingThenComplete());
    assertThat(setup.awaitCompletion(IntegrationTestSupport.getTestSetupTimeout(), TimeUnit.SECONDS)).isTrue();
    if (setup.failed()) {
        ctx.failNow(setup.causeOfFailure());
        return;
    }
    LOG.debug("topics created and test records published");
    // prepare consumer
    final Map<String, String> consumerConfig = IntegrationTestSupport.getKafkaConsumerConfig().getConsumerConfig("test");
    consumerConfig.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
    final Promise<Void> allRecordsReceivedPromise = Promise.promise();
    final List<KafkaConsumerRecord<String, Buffer>> receivedRecords = new ArrayList<>();
    final int totalExpectedMessages = numTopics * numTestRecordsPerTopic;
    final Handler<KafkaConsumerRecord<String, Buffer>> recordHandler = record -> {
        receivedRecords.add(record);
        if (receivedRecords.size() == totalExpectedMessages) {
            allRecordsReceivedPromise.complete();
        }
    };
    kafkaConsumer = new HonoKafkaConsumer(vertx, topics, recordHandler, consumerConfig);
    // start consumer
    kafkaConsumer.start().onComplete(ctx.succeeding(v -> {
        ctx.verify(() -> {
            assertThat(receivedRecords.size()).isEqualTo(0);
        });
        allRecordsReceivedPromise.future().onComplete(ar -> {
            ctx.verify(() -> {
                assertThat(receivedRecords.size()).isEqualTo(totalExpectedMessages);
            });
            ctx.completeNow();
        });
    }));
}

Example 25 with Promise

use of io.vertx.core.Promise in project hono by eclipse.

the class KafkaBasedEventSenderIT method createTopics.

private static Future<Void> createTopics(final Collection<String> topicNames, final int numPartitions, final Map<String, String> topicConfig) {
    topicsToDeleteAfterTests.addAll(topicNames);
    final Promise<Void> resultPromise = Promise.promise();
    final List<NewTopic> topics = topicNames.stream().map(t -> new NewTopic(t, numPartitions, REPLICATION_FACTOR).setConfig(topicConfig)).collect(Collectors.toList());
    adminClient.createTopics(topics, resultPromise);
    return resultPromise.future();
}