/
PulsarContainerTest.java
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/
PulsarContainerTest.java
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package org.testcontainers.containers;
import org.apache.pulsar.client.admin.ListTopicsOptions;
import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.client.admin.PulsarAdminException;
import org.apache.pulsar.client.api.Consumer;
import org.apache.pulsar.client.api.Message;
import org.apache.pulsar.client.api.Producer;
import org.apache.pulsar.client.api.PulsarClient;
import org.apache.pulsar.client.api.Schema;
import org.apache.pulsar.client.api.SubscriptionInitialPosition;
import org.apache.pulsar.client.api.transaction.Transaction;
import org.junit.Test;
import org.testcontainers.utility.DockerImageName;
import java.time.Duration;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
public class PulsarContainerTest {
public static final String TEST_TOPIC = "test_topic";
private static final DockerImageName PULSAR_IMAGE = DockerImageName.parse("apachepulsar/pulsar:3.0.0");
@Test
public void testUsage() throws Exception {
try (
// do not use PULSAR_IMAGE to make the doc looks easier
// constructorWithVersion {
PulsarContainer pulsar = new PulsarContainer(DockerImageName.parse("apachepulsar/pulsar:3.0.0"));
// }
) {
pulsar.start();
// coordinates {
final String pulsarBrokerUrl = pulsar.getPulsarBrokerUrl();
final String httpServiceUrl = pulsar.getHttpServiceUrl();
// }
testPulsarFunctionality(pulsarBrokerUrl);
}
}
@Test
public void envVarsUsage() throws Exception {
try (
// constructorWithEnv {
PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE)
.withEnv("PULSAR_PREFIX_brokerDeduplicationEnabled", "true");
// }
) {
pulsar.start();
testPulsarFunctionality(pulsar.getPulsarBrokerUrl());
}
}
@Test
public void customClusterName() throws Exception {
try (
PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE)
.withEnv("PULSAR_PREFIX_clusterName", "tc-cluster");
) {
pulsar.start();
testPulsarFunctionality(pulsar.getPulsarBrokerUrl());
}
}
@Test
public void shouldNotEnableFunctionsWorkerByDefault() throws Exception {
try (PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE)) {
pulsar.start();
try (PulsarAdmin pulsarAdmin = PulsarAdmin.builder().serviceHttpUrl(pulsar.getHttpServiceUrl()).build()) {
assertThatThrownBy(() -> pulsarAdmin.functions().getFunctions("public", "default"))
.isInstanceOf(PulsarAdminException.class);
}
}
}
@Test
public void shouldWaitForFunctionsWorkerStarted() throws Exception {
try (
// constructorWithFunctionsWorker {
PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE).withFunctionsWorker();
// }
) {
pulsar.start();
try (PulsarAdmin pulsarAdmin = PulsarAdmin.builder().serviceHttpUrl(pulsar.getHttpServiceUrl()).build()) {
assertThat(pulsarAdmin.functions().getFunctions("public", "default")).hasSize(0);
}
}
}
@Test
public void testTransactions() throws Exception {
try (
// constructorWithTransactions {
PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE).withTransactions();
// }
) {
pulsar.start();
try (PulsarAdmin pulsarAdmin = PulsarAdmin.builder().serviceHttpUrl(pulsar.getHttpServiceUrl()).build()) {
assertTransactionsTopicCreated(pulsarAdmin);
}
testTransactionFunctionality(pulsar.getPulsarBrokerUrl());
}
}
private void assertTransactionsTopicCreated(PulsarAdmin pulsarAdmin) throws PulsarAdminException {
final List<String> topics = pulsarAdmin
.topics()
.getPartitionedTopicList("pulsar/system", ListTopicsOptions.builder().includeSystemTopic(true).build());
assertThat(topics).contains("persistent://pulsar/system/transaction_coordinator_assign");
}
@Test
public void testTransactionsAndFunctionsWorker() throws Exception {
try (PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE).withTransactions().withFunctionsWorker()) {
pulsar.start();
try (PulsarAdmin pulsarAdmin = PulsarAdmin.builder().serviceHttpUrl(pulsar.getHttpServiceUrl()).build();) {
assertTransactionsTopicCreated(pulsarAdmin);
assertThat(pulsarAdmin.functions().getFunctions("public", "default")).hasSize(0);
}
testTransactionFunctionality(pulsar.getPulsarBrokerUrl());
}
}
@Test
public void testClusterFullyInitialized() throws Exception {
try (PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE)) {
pulsar.start();
try (PulsarAdmin pulsarAdmin = PulsarAdmin.builder().serviceHttpUrl(pulsar.getHttpServiceUrl()).build()) {
assertThat(pulsarAdmin.clusters().getClusters()).hasSize(1).contains("standalone");
}
}
}
@Test
public void testStartupTimeoutIsHonored() {
try (PulsarContainer pulsar = new PulsarContainer(PULSAR_IMAGE).withStartupTimeout(Duration.ZERO)) {
assertThatThrownBy(pulsar::start)
.hasRootCauseMessage("Precondition failed: timeout must be greater than zero");
}
}
protected void testPulsarFunctionality(String pulsarBrokerUrl) throws Exception {
try (
PulsarClient client = PulsarClient.builder().serviceUrl(pulsarBrokerUrl).build();
Consumer consumer = client.newConsumer().topic(TEST_TOPIC).subscriptionName("test-subs").subscribe();
Producer<byte[]> producer = client.newProducer().topic(TEST_TOPIC).create()
) {
producer.send("test containers".getBytes());
CompletableFuture<Message> future = consumer.receiveAsync();
Message message = future.get(5, TimeUnit.SECONDS);
assertThat(new String(message.getData())).isEqualTo("test containers");
}
}
protected void testTransactionFunctionality(String pulsarBrokerUrl) throws Exception {
try (
PulsarClient client = PulsarClient.builder().serviceUrl(pulsarBrokerUrl).enableTransaction(true).build();
Consumer<String> consumer = client
.newConsumer(Schema.STRING)
.topic("transaction-topic")
.subscriptionInitialPosition(SubscriptionInitialPosition.Earliest)
.subscriptionName("test-transaction-sub")
.subscribe();
Producer<String> producer = client
.newProducer(Schema.STRING)
.sendTimeout(0, TimeUnit.SECONDS)
.topic("transaction-topic")
.create()
) {
final Transaction transaction = client.newTransaction().build().get();
producer.newMessage(transaction).value("first").send();
transaction.commit();
Message<String> message = consumer.receive();
assertThat(message.getValue()).isEqualTo("first");
}
}
}