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RedpandaContainerTest.java
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RedpandaContainerTest.java
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package org.testcontainers.redpanda;
import com.google.common.collect.ImmutableMap;
import io.restassured.RestAssured;
import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.AdminClientConfig;
import org.apache.kafka.clients.admin.NewTopic;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.junit.Test;
import org.rnorth.ducttape.unreliables.Unreliables;
import org.testcontainers.utility.DockerImageName;
import java.time.Duration;
import java.util.Collection;
import java.util.Collections;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.assertj.core.api.Assertions.tuple;
import static org.hamcrest.Matchers.hasItems;
public class RedpandaContainerTest {
private static final String REDPANDA_IMAGE = "docker.redpanda.com/vectorized/redpanda:v22.2.1";
private static final DockerImageName REDPANDA_DOCKER_IMAGE = DockerImageName.parse(REDPANDA_IMAGE);
@Test
public void testUsage() throws Exception {
try (RedpandaContainer container = new RedpandaContainer(REDPANDA_DOCKER_IMAGE)) {
container.start();
testKafkaFunctionality(container.getBootstrapServers());
}
}
@Test
public void testUsageWithStringImage() throws Exception {
try (
// constructorWithVersion {
RedpandaContainer container = new RedpandaContainer("docker.redpanda.com/vectorized/redpanda:v22.2.1")
// }
) {
container.start();
testKafkaFunctionality(
// getBootstrapServers {
container.getBootstrapServers()
// }
);
}
}
@Test
public void testNotCompatibleVersion() {
assertThatThrownBy(() -> new RedpandaContainer("docker.redpanda.com/vectorized/redpanda:v21.11.19"))
.isInstanceOf(IllegalArgumentException.class)
.hasMessageContaining("Redpanda version must be >= v22.2.1");
}
@Test
public void testSchemaRegistry() {
try (RedpandaContainer container = new RedpandaContainer(REDPANDA_DOCKER_IMAGE)) {
container.start();
String subjectsEndpoint = String.format(
"%s/subjects",
// getSchemaRegistryAddress {
container.getSchemaRegistryAddress()
// }
);
String subjectName = String.format("test-%s-value", UUID.randomUUID());
// register the new subject
RestAssured
.given()
.contentType("application/vnd.schemaregistry.v1+json")
.pathParam("subject", subjectName)
.body("{\"schema\": \"{\\\"type\\\": \\\"string\\\"}\"}")
.when()
.post(subjectsEndpoint + "/{subject}/versions")
.then()
.statusCode(200);
// list all the registered subjects
RestAssured.given().when().get(subjectsEndpoint).then().statusCode(200).body("$", hasItems(subjectName));
}
}
private void testKafkaFunctionality(String bootstrapServers) throws Exception {
testKafkaFunctionality(bootstrapServers, 1, 1);
}
private void testKafkaFunctionality(String bootstrapServers, int partitions, int rf) throws Exception {
try (
AdminClient adminClient = AdminClient.create(
ImmutableMap.of(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers)
);
KafkaProducer<String, String> producer = new KafkaProducer<>(
ImmutableMap.of(
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG,
bootstrapServers,
ProducerConfig.CLIENT_ID_CONFIG,
UUID.randomUUID().toString()
),
new StringSerializer(),
new StringSerializer()
);
KafkaConsumer<String, String> consumer = new KafkaConsumer<>(
ImmutableMap.of(
ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,
bootstrapServers,
ConsumerConfig.GROUP_ID_CONFIG,
"tc-" + UUID.randomUUID(),
ConsumerConfig.AUTO_OFFSET_RESET_CONFIG,
"earliest"
),
new StringDeserializer(),
new StringDeserializer()
);
) {
String topicName = "messages-" + UUID.randomUUID();
Collection<NewTopic> topics = Collections.singletonList(new NewTopic(topicName, partitions, (short) rf));
adminClient.createTopics(topics).all().get(30, TimeUnit.SECONDS);
consumer.subscribe(Collections.singletonList(topicName));
producer.send(new ProducerRecord<>(topicName, "testcontainers", "rulezzz")).get();
Unreliables.retryUntilTrue(
10,
TimeUnit.SECONDS,
() -> {
ConsumerRecords<String, String> records = consumer.poll(Duration.ofMillis(100));
if (records.isEmpty()) {
return false;
}
assertThat(records)
.hasSize(1)
.extracting(ConsumerRecord::topic, ConsumerRecord::key, ConsumerRecord::value)
.containsExactly(tuple(topicName, "testcontainers", "rulezzz"));
return true;
}
);
consumer.unsubscribe();
}
}
}