Examples with LocalRunner org.apache.pulsar.functions.LocalRunner used on opensource projects

Example 1 with LocalRunner

use of org.apache.pulsar.functions.LocalRunner in project pulsar by apache.

the class PulsarFunctionLocalRunTest method testExitOnError.

@Test(timeOut = 20000)
public void testExitOnError() throws Throwable {
    final String namespacePortion = "io";
    final String replNamespace = tenant + "/" + namespacePortion;
    final String sourceTopic = "persistent://" + replNamespace + "/input";
    final String sinkName = "PulsarSink-test";
    final String propertyKey = "key";
    final String propertyValue = "value";
    final String subscriptionName = "test-sub";
    admin.namespaces().createNamespace(replNamespace);
    Set<String> clusters = Sets.newHashSet(Lists.newArrayList("local"));
    admin.namespaces().setNamespaceReplicationClusters(replNamespace, clusters);
    // create a producer that creates a topic at broker
    Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(sourceTopic).create();
    SinkConfig sinkConfig = createSinkConfig(tenant, namespacePortion, sinkName, sourceTopic, subscriptionName);
    sinkConfig.setInputSpecs(Collections.singletonMap(sourceTopic, ConsumerConfig.builder().receiverQueueSize(1000).build()));
    sinkConfig.setClassName(TestErrorSink.class.getName());
    int metricsPort = FunctionCommon.findAvailablePort();
    LocalRunner.LocalRunnerBuilder localRunnerBuilder = LocalRunner.builder().clientAuthPlugin(AuthenticationTls.class.getName()).clientAuthParams(String.format("tlsCertFile:%s,tlsKeyFile:%s", TLS_CLIENT_CERT_FILE_PATH, TLS_CLIENT_KEY_FILE_PATH)).useTls(true).tlsTrustCertFilePath(TLS_TRUST_CERT_FILE_PATH).tlsAllowInsecureConnection(true).tlsHostNameVerificationEnabled(false).brokerServiceUrl(pulsar.getBrokerServiceUrlTls()).connectorsDirectory(workerConfig.getConnectorsDirectory()).metricsPortStart(metricsPort).exitOnError(true);
    sinkConfig.getConfigs().put("throwErrorOpen", true);
    localRunnerBuilder.sinkConfig(sinkConfig);
    LocalRunner localRunner = localRunnerBuilder.build();
    localRunner.start(true);
    sinkConfig.getConfigs().put("throwErrorWrite", true);
    localRunnerBuilder.sinkConfig(sinkConfig);
    localRunner = localRunnerBuilder.build();
    localRunner.start(true);
}

Example 2 with LocalRunner

use of org.apache.pulsar.functions.LocalRunner in project pulsar by apache.

the class PulsarFunctionLocalRunTest method testPulsarSourceLocalRun.

private void testPulsarSourceLocalRun(String jarFilePathUrl, int parallelism) throws Exception {
    final String namespacePortion = "io";
    final String replNamespace = tenant + "/" + namespacePortion;
    final String sinkTopic = "persistent://" + replNamespace + "/output";
    final String sourceName = "PulsarSource-test";
    admin.namespaces().createNamespace(replNamespace);
    Set<String> clusters = Sets.newHashSet(Lists.newArrayList(CLUSTER));
    admin.namespaces().setNamespaceReplicationClusters(replNamespace, clusters);
    SourceConfig sourceConfig = createSourceConfig(tenant, namespacePortion, sourceName, sinkTopic);
    if (jarFilePathUrl == null || !jarFilePathUrl.endsWith(".nar")) {
        sourceConfig.setClassName("org.apache.pulsar.io.datagenerator.DataGeneratorSource");
    }
    sourceConfig.setArchive(jarFilePathUrl);
    sourceConfig.setParallelism(parallelism);
    int metricsPort = FunctionCommon.findAvailablePort();
    @Cleanup LocalRunner localRunner = LocalRunner.builder().sourceConfig(sourceConfig).clientAuthPlugin(AuthenticationTls.class.getName()).clientAuthParams(String.format("tlsCertFile:%s,tlsKeyFile:%s", TLS_CLIENT_CERT_FILE_PATH, TLS_CLIENT_KEY_FILE_PATH)).useTls(true).tlsTrustCertFilePath(TLS_TRUST_CERT_FILE_PATH).tlsAllowInsecureConnection(true).tlsHostNameVerificationEnabled(false).brokerServiceUrl(pulsar.getBrokerServiceUrlTls()).connectorsDirectory(workerConfig.getConnectorsDirectory()).metricsPortStart(metricsPort).build();
    localRunner.start(false);
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            return admin.topics().getStats(sinkTopic).getPublishers().size() == parallelism;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 10, 150));
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            boolean result = false;
            TopicStats sourceStats = admin.topics().getStats(sinkTopic);
            if (sourceStats.getPublishers().size() == parallelism) {
                for (PublisherStats publisher : sourceStats.getPublishers()) {
                    result = publisher.getMetadata() != null && publisher.getMetadata().containsKey("id") && publisher.getMetadata().get("id").equals(String.format("%s/%s/%s", tenant, namespacePortion, sourceName));
                }
            }
            return result;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150));
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            return (admin.topics().getStats(sinkTopic).getPublishers().size() == parallelism) && (admin.topics().getInternalStats(sinkTopic, false).numberOfEntries > 4);
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150));
    assertEquals(admin.topics().getStats(sinkTopic).getPublishers().size(), parallelism);
    // validate prometheus metrics
    String prometheusMetrics = PulsarFunctionTestUtils.getPrometheusMetrics(metricsPort);
    log.info("prometheus metrics: {}", prometheusMetrics);
    Map<String, PulsarFunctionTestUtils.Metric> metricsMap = new HashMap<>();
    Arrays.asList(prometheusMetrics.split("\n")).forEach(line -> {
        if (line.startsWith("pulsar_source_written_total")) {
            Map<String, PulsarFunctionTestUtils.Metric> metrics = PulsarFunctionTestUtils.parseMetrics(line);
            assertFalse(metrics.isEmpty());
            PulsarFunctionTestUtils.Metric m = metrics.get("pulsar_source_written_total");
            if (m != null) {
                metricsMap.put(m.tags.get("instance_id"), m);
            }
        }
    });
    Assert.assertEquals(metricsMap.size(), parallelism);
    for (int i = 0; i < parallelism; i++) {
        PulsarFunctionTestUtils.Metric m = metricsMap.get(String.valueOf(i));
        Assert.assertNotNull(m);
        assertEquals(m.tags.get("cluster"), config.getClusterName());
        assertEquals(m.tags.get("instance_id"), String.valueOf(i));
        assertEquals(m.tags.get("name"), sourceName);
        assertEquals(m.tags.get("namespace"), String.format("%s/%s", tenant, namespacePortion));
        assertEquals(m.tags.get("fqfn"), FunctionCommon.getFullyQualifiedName(tenant, namespacePortion, sourceName));
        assertTrue(m.value > 0.0);
    }
    localRunner.stop();
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            return (admin.topics().getStats(sinkTopic).getPublishers().size() == 0);
        } catch (PulsarAdminException e) {
            return e.getStatusCode() == 404;
        }
    }, 10, 150));
    try {
        assertEquals(admin.topics().getStats(sinkTopic).getPublishers().size(), 0);
    } catch (PulsarAdminException e) {
        if (e.getStatusCode() != 404) {
            fail();
        }
    }
}

Example 3 with LocalRunner

use of org.apache.pulsar.functions.LocalRunner in project pulsar by apache.

the class PulsarFunctionLocalRunTest method testE2EPulsarFunctionLocalRun.

/**
 * Validates pulsar sink e2e functionality on functions.
 *
 * @throws Exception
 */
private void testE2EPulsarFunctionLocalRun(String jarFilePathUrl, int parallelism) throws Exception {
    final String namespacePortion = "io";
    final String replNamespace = tenant + "/" + namespacePortion;
    final String sourceTopic = "persistent://" + replNamespace + "/my-topic1";
    final String sinkTopic = "persistent://" + replNamespace + "/output";
    final String propertyKey = "key";
    final String propertyValue = "value";
    final String functionName = "PulsarFunction-test";
    final String subscriptionName = "test-sub";
    admin.namespaces().createNamespace(replNamespace);
    Set<String> clusters = Sets.newHashSet(Lists.newArrayList(CLUSTER));
    admin.namespaces().setNamespaceReplicationClusters(replNamespace, clusters);
    // create a producer that creates a topic at broker
    Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(sourceTopic).create();
    Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING).topic(sinkTopic).subscriptionName("sub").subscribe();
    FunctionConfig functionConfig = createFunctionConfig(tenant, namespacePortion, functionName, sourceTopic, sinkTopic, subscriptionName);
    functionConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.ATLEAST_ONCE);
    functionConfig.setJar(jarFilePathUrl);
    functionConfig.setParallelism(parallelism);
    int metricsPort = FunctionCommon.findAvailablePort();
    @Cleanup LocalRunner localRunner = LocalRunner.builder().functionConfig(functionConfig).clientAuthPlugin(AuthenticationTls.class.getName()).clientAuthParams(String.format("tlsCertFile:%s,tlsKeyFile:%s", TLS_CLIENT_CERT_FILE_PATH, TLS_CLIENT_KEY_FILE_PATH)).useTls(true).tlsTrustCertFilePath(TLS_TRUST_CERT_FILE_PATH).tlsAllowInsecureConnection(true).tlsHostNameVerificationEnabled(false).metricsPortStart(metricsPort).brokerServiceUrl(pulsar.getBrokerServiceUrlTls()).build();
    localRunner.start(false);
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            boolean result = false;
            TopicStats topicStats = admin.topics().getStats(sourceTopic);
            if (topicStats.getSubscriptions().containsKey(subscriptionName) && topicStats.getSubscriptions().get(subscriptionName).getConsumers().size() == parallelism) {
                for (ConsumerStats consumerStats : topicStats.getSubscriptions().get(subscriptionName).getConsumers()) {
                    result = consumerStats.getAvailablePermits() == 1000 && consumerStats.getMetadata() != null && consumerStats.getMetadata().containsKey("id") && consumerStats.getMetadata().get("id").equals(String.format("%s/%s/%s", tenant, namespacePortion, functionName));
                }
            }
            return result;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150));
    // validate pulsar sink consumer has started on the topic
    TopicStats stats = admin.topics().getStats(sourceTopic);
    assertTrue(stats.getSubscriptions().get(subscriptionName) != null && !stats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty());
    int totalMsgs = 5;
    for (int i = 0; i < totalMsgs; i++) {
        String data = "my-message-" + i;
        producer.newMessage().property(propertyKey, propertyValue).value(data).send();
    }
    retryStrategically((test) -> {
        try {
            SubscriptionStats subStats = admin.topics().getStats(sourceTopic).getSubscriptions().get(subscriptionName);
            return subStats.getUnackedMessages() == 0;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150);
    for (int i = 0; i < totalMsgs; i++) {
        Message<String> msg = consumer.receive(5, TimeUnit.SECONDS);
        String receivedPropertyValue = msg.getProperty(propertyKey);
        assertEquals(propertyValue, receivedPropertyValue);
        assertEquals(msg.getValue(), "my-message-" + i + "!");
    }
    // validate pulsar-sink consumer has consumed all messages and delivered to Pulsar sink but unacked messages
    // due to publish failure
    assertNotEquals(admin.topics().getStats(sourceTopic).getSubscriptions().values().iterator().next().getUnackedMessages(), totalMsgs);
    // validate prometheus metrics
    String prometheusMetrics = PulsarFunctionTestUtils.getPrometheusMetrics(metricsPort);
    log.info("prometheus metrics: {}", prometheusMetrics);
    Map<String, PulsarFunctionTestUtils.Metric> metricsMap = new HashMap<>();
    Arrays.asList(prometheusMetrics.split("\n")).forEach(line -> {
        if (line.startsWith("pulsar_function_processed_successfully_total")) {
            Map<String, PulsarFunctionTestUtils.Metric> metrics = PulsarFunctionTestUtils.parseMetrics(line);
            assertFalse(metrics.isEmpty());
            PulsarFunctionTestUtils.Metric m = metrics.get("pulsar_function_processed_successfully_total");
            if (m != null) {
                metricsMap.put(m.tags.get("instance_id"), m);
            }
        }
    });
    Assert.assertEquals(metricsMap.size(), parallelism);
    double totalMsgRecv = 0.0;
    for (int i = 0; i < parallelism; i++) {
        PulsarFunctionTestUtils.Metric m = metricsMap.get(String.valueOf(i));
        Assert.assertNotNull(m);
        assertEquals(m.tags.get("cluster"), config.getClusterName());
        assertEquals(m.tags.get("instance_id"), String.valueOf(i));
        assertEquals(m.tags.get("name"), functionName);
        assertEquals(m.tags.get("namespace"), String.format("%s/%s", tenant, namespacePortion));
        assertEquals(m.tags.get("fqfn"), FunctionCommon.getFullyQualifiedName(tenant, namespacePortion, functionName));
        totalMsgRecv += m.value;
    }
    Assert.assertEquals(totalMsgRecv, totalMsgs);
    // stop functions
    localRunner.stop();
    retryStrategically((test) -> {
        try {
            TopicStats topicStats = admin.topics().getStats(sourceTopic);
            return topicStats.getSubscriptions().get(subscriptionName) != null && topicStats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty();
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 20, 150);
    TopicStats topicStats = admin.topics().getStats(sourceTopic);
    assertTrue(topicStats.getSubscriptions().get(subscriptionName) != null && topicStats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty());
    retryStrategically((test) -> {
        try {
            return (admin.topics().getStats(sinkTopic).getPublishers().size() == 0);
        } catch (PulsarAdminException e) {
            if (e.getStatusCode() == 404) {
                return true;
            }
            return false;
        }
    }, 10, 150);
    try {
        assertEquals(admin.topics().getStats(sinkTopic).getPublishers().size(), 0);
    } catch (PulsarAdminException e) {
        if (e.getStatusCode() != 404) {
            fail();
        }
    }
}

Example 4 with LocalRunner

use of org.apache.pulsar.functions.LocalRunner in project pulsar by apache.

the class PulsarSinkE2ETest method testPulsarSinkDLQ.

@Test(timeOut = 30000)
public void testPulsarSinkDLQ() throws Exception {
    final String namespacePortion = "io";
    final String replNamespace = tenant + "/" + namespacePortion;
    final String sourceTopic = "persistent://" + replNamespace + "/input";
    final String dlqTopic = sourceTopic + "-DLQ";
    final String sinkName = "PulsarSink-test";
    final String propertyKey = "key";
    final String propertyValue = "value";
    final String subscriptionName = "test-sub";
    admin.namespaces().createNamespace(replNamespace);
    Set<String> clusters = Sets.newHashSet(Lists.newArrayList("use"));
    admin.namespaces().setNamespaceReplicationClusters(replNamespace, clusters);
    // 1 create producer、DLQ consumer
    Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(sourceTopic).create();
    Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING).topic(dlqTopic).subscriptionName(subscriptionName).subscribe();
    // 2 setup sink
    SinkConfig sinkConfig = createSinkConfig(tenant, namespacePortion, sinkName, sourceTopic, subscriptionName);
    sinkConfig.setNegativeAckRedeliveryDelayMs(1001L);
    sinkConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.ATLEAST_ONCE);
    sinkConfig.setMaxMessageRetries(2);
    sinkConfig.setDeadLetterTopic(dlqTopic);
    sinkConfig.setInputSpecs(Collections.singletonMap(sourceTopic, ConsumerConfig.builder().receiverQueueSize(1000).build()));
    sinkConfig.setClassName(SinkForTest.class.getName());
    @Cleanup LocalRunner localRunner = LocalRunner.builder().sinkConfig(sinkConfig).clientAuthPlugin(AuthenticationTls.class.getName()).clientAuthParams(String.format("tlsCertFile:%s,tlsKeyFile:%s", TLS_CLIENT_CERT_FILE_PATH, TLS_CLIENT_KEY_FILE_PATH)).useTls(true).tlsTrustCertFilePath(TLS_TRUST_CERT_FILE_PATH).tlsAllowInsecureConnection(true).tlsHostNameVerificationEnabled(false).brokerServiceUrl(pulsar.getBrokerServiceUrlTls()).build();
    localRunner.start(false);
    retryStrategically((test) -> {
        try {
            TopicStats topicStats = admin.topics().getStats(sourceTopic);
            return topicStats.getSubscriptions().containsKey(subscriptionName) && topicStats.getSubscriptions().get(subscriptionName).getConsumers().size() == 1 && topicStats.getSubscriptions().get(subscriptionName).getConsumers().get(0).getAvailablePermits() == 1000;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150);
    // 3 send message
    int totalMsgs = 10;
    Set<String> remainingMessagesToReceive = new HashSet<>();
    for (int i = 0; i < totalMsgs; i++) {
        String messageBody = "fail" + i;
        producer.newMessage().property(propertyKey, propertyValue).value(messageBody).send();
        remainingMessagesToReceive.add(messageBody);
    }
    // 4 All messages should enter DLQ
    for (int i = 0; i < totalMsgs; i++) {
        Message<String> message = consumer.receive(10, TimeUnit.SECONDS);
        assertNotNull(message);
        remainingMessagesToReceive.remove(message.getValue());
    }
    assertEquals(remainingMessagesToReceive, Collections.emptySet());
    // clean up
    producer.close();
    consumer.close();
}

Example 5 with LocalRunner

use of org.apache.pulsar.functions.LocalRunner in project pulsar by yahoo.

the class PulsarFunctionLocalRunTest method testE2EPulsarFunctionLocalRun.

/**
 * Validates pulsar sink e2e functionality on functions.
 *
 * @throws Exception
 */
private void testE2EPulsarFunctionLocalRun(String jarFilePathUrl, int parallelism) throws Exception {
    final String namespacePortion = "io";
    final String replNamespace = tenant + "/" + namespacePortion;
    final String sourceTopic = "persistent://" + replNamespace + "/my-topic1";
    final String sinkTopic = "persistent://" + replNamespace + "/output";
    final String propertyKey = "key";
    final String propertyValue = "value";
    final String functionName = "PulsarFunction-test";
    final String subscriptionName = "test-sub";
    admin.namespaces().createNamespace(replNamespace);
    Set<String> clusters = Sets.newHashSet(Lists.newArrayList(CLUSTER));
    admin.namespaces().setNamespaceReplicationClusters(replNamespace, clusters);
    // create a producer that creates a topic at broker
    Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(sourceTopic).create();
    Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING).topic(sinkTopic).subscriptionName("sub").subscribe();
    FunctionConfig functionConfig = createFunctionConfig(tenant, namespacePortion, functionName, sourceTopic, sinkTopic, subscriptionName);
    functionConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.ATLEAST_ONCE);
    functionConfig.setJar(jarFilePathUrl);
    functionConfig.setParallelism(parallelism);
    int metricsPort = FunctionCommon.findAvailablePort();
    @Cleanup LocalRunner localRunner = LocalRunner.builder().functionConfig(functionConfig).clientAuthPlugin(AuthenticationTls.class.getName()).clientAuthParams(String.format("tlsCertFile:%s,tlsKeyFile:%s", TLS_CLIENT_CERT_FILE_PATH, TLS_CLIENT_KEY_FILE_PATH)).useTls(true).tlsTrustCertFilePath(TLS_TRUST_CERT_FILE_PATH).tlsAllowInsecureConnection(true).tlsHostNameVerificationEnabled(false).metricsPortStart(metricsPort).brokerServiceUrl(pulsar.getBrokerServiceUrlTls()).build();
    localRunner.start(false);
    Assert.assertTrue(retryStrategically((test) -> {
        try {
            boolean result = false;
            TopicStats topicStats = admin.topics().getStats(sourceTopic);
            if (topicStats.getSubscriptions().containsKey(subscriptionName) && topicStats.getSubscriptions().get(subscriptionName).getConsumers().size() == parallelism) {
                for (ConsumerStats consumerStats : topicStats.getSubscriptions().get(subscriptionName).getConsumers()) {
                    result = consumerStats.getAvailablePermits() == 1000 && consumerStats.getMetadata() != null && consumerStats.getMetadata().containsKey("id") && consumerStats.getMetadata().get("id").equals(String.format("%s/%s/%s", tenant, namespacePortion, functionName));
                }
            }
            return result;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150));
    // validate pulsar sink consumer has started on the topic
    TopicStats stats = admin.topics().getStats(sourceTopic);
    assertTrue(stats.getSubscriptions().get(subscriptionName) != null && !stats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty());
    int totalMsgs = 5;
    for (int i = 0; i < totalMsgs; i++) {
        String data = "my-message-" + i;
        producer.newMessage().property(propertyKey, propertyValue).value(data).send();
    }
    retryStrategically((test) -> {
        try {
            SubscriptionStats subStats = admin.topics().getStats(sourceTopic).getSubscriptions().get(subscriptionName);
            return subStats.getUnackedMessages() == 0;
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 50, 150);
    for (int i = 0; i < totalMsgs; i++) {
        Message<String> msg = consumer.receive(5, TimeUnit.SECONDS);
        String receivedPropertyValue = msg.getProperty(propertyKey);
        assertEquals(propertyValue, receivedPropertyValue);
        assertEquals(msg.getValue(), "my-message-" + i + "!");
    }
    // validate pulsar-sink consumer has consumed all messages and delivered to Pulsar sink but unacked messages
    // due to publish failure
    assertNotEquals(admin.topics().getStats(sourceTopic).getSubscriptions().values().iterator().next().getUnackedMessages(), totalMsgs);
    // validate prometheus metrics
    String prometheusMetrics = PulsarFunctionTestUtils.getPrometheusMetrics(metricsPort);
    log.info("prometheus metrics: {}", prometheusMetrics);
    Map<String, PulsarFunctionTestUtils.Metric> metricsMap = new HashMap<>();
    Arrays.asList(prometheusMetrics.split("\n")).forEach(line -> {
        if (line.startsWith("pulsar_function_processed_successfully_total")) {
            Map<String, PulsarFunctionTestUtils.Metric> metrics = PulsarFunctionTestUtils.parseMetrics(line);
            assertFalse(metrics.isEmpty());
            PulsarFunctionTestUtils.Metric m = metrics.get("pulsar_function_processed_successfully_total");
            if (m != null) {
                metricsMap.put(m.tags.get("instance_id"), m);
            }
        }
    });
    Assert.assertEquals(metricsMap.size(), parallelism);
    double totalMsgRecv = 0.0;
    for (int i = 0; i < parallelism; i++) {
        PulsarFunctionTestUtils.Metric m = metricsMap.get(String.valueOf(i));
        Assert.assertNotNull(m);
        assertEquals(m.tags.get("cluster"), config.getClusterName());
        assertEquals(m.tags.get("instance_id"), String.valueOf(i));
        assertEquals(m.tags.get("name"), functionName);
        assertEquals(m.tags.get("namespace"), String.format("%s/%s", tenant, namespacePortion));
        assertEquals(m.tags.get("fqfn"), FunctionCommon.getFullyQualifiedName(tenant, namespacePortion, functionName));
        totalMsgRecv += m.value;
    }
    Assert.assertEquals(totalMsgRecv, totalMsgs);
    // stop functions
    localRunner.stop();
    retryStrategically((test) -> {
        try {
            TopicStats topicStats = admin.topics().getStats(sourceTopic);
            return topicStats.getSubscriptions().get(subscriptionName) != null && topicStats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty();
        } catch (PulsarAdminException e) {
            return false;
        }
    }, 20, 150);
    TopicStats topicStats = admin.topics().getStats(sourceTopic);
    assertTrue(topicStats.getSubscriptions().get(subscriptionName) != null && topicStats.getSubscriptions().get(subscriptionName).getConsumers().isEmpty());
    retryStrategically((test) -> {
        try {
            return (admin.topics().getStats(sinkTopic).getPublishers().size() == 0);
        } catch (PulsarAdminException e) {
            if (e.getStatusCode() == 404) {
                return true;
            }
            return false;
        }
    }, 10, 150);
    try {
        assertEquals(admin.topics().getStats(sinkTopic).getPublishers().size(), 0);
    } catch (PulsarAdminException e) {
        if (e.getStatusCode() != 404) {
            fail();
        }
    }
}