How to use KafkaContainer method of org.testcontainers.containers.KafkaContainer class

Best Testcontainers-java code snippet using org.testcontainers.containers.KafkaContainer.KafkaContainer

Source:KafkaTestContainer.java

2import org.slf4j.Logger;3import org.slf4j.LoggerFactory;4import org.springframework.beans.factory.DisposableBean;5import org.springframework.beans.factory.InitializingBean;6import org.testcontainers.containers.KafkaContainer;7import org.testcontainers.containers.output.Slf4jLogConsumer;8import org.testcontainers.utility.DockerImageName;9public class KafkaTestContainer implements InitializingBean, DisposableBean {10    private KafkaContainer kafkaContainer;11    private static final Logger log = LoggerFactory.getLogger(KafkaTestContainer.class);12    @Override13    public void destroy() {14        if (null != kafkaContainer && kafkaContainer.isRunning()) {15            kafkaContainer.close();16        }17    }18    @Override19    public void afterPropertiesSet() {20        if (null == kafkaContainer) {21            kafkaContainer =22                new KafkaContainer(DockerImageName.parse("confluentinc/cp-kafka:7.2.1"))23                    .withLogConsumer(new Slf4jLogConsumer(log))24                    .withReuse(true);25        }26        if (!kafkaContainer.isRunning()) {27            kafkaContainer.start();28        }29    }30    public KafkaContainer getKafkaContainer() {31        return kafkaContainer;32    }33}...

KafkaContainer

Using AI Code Generation

1    public void testKafka() throws Exception {2        try (KafkaContainer kafka = new KafkaContainer()) {3            kafka.start();4            Properties properties = new Properties();5            properties.setProperty("bootstrap.servers", kafka.getBootstrapServers());6            properties.setProperty("key.serializer", StringSerializer.class.getName());7            properties.setProperty("value.serializer", StringSerializer.class.getName());8            properties.setProperty("key.deserializer", StringDeserializer.class.getName());9            properties.setProperty("value.deserializer", StringDeserializer.class.getName());10            properties.setProperty("auto.offset.reset", "earliest");11            try (KafkaProducer<String, String> producer = new KafkaProducer<>(properties);12                 KafkaConsumer<String, String> consumer = new KafkaConsumer<>(properties)) {13                String topic = "test-topic";14                consumer.subscribe(Collections.singleton(topic));15                producer.send(new ProducerRecord<>(topic, "test-key", "test-value"));16                ConsumerRecords<String, String> records = consumer.poll(Duration.ofSeconds(5));17                assertThat(records).isNotEmpty();18                assertThat(records.iterator().next().value()).isEqualTo("test-value");19            }20        }21    }22}23public class KafkaContainer extends GenericContainer<KafkaContainer> {24    private static final String KAFKA_IMAGE = "confluentinc/cp-kafka:5.1.1";25    private static final Integer KAFKA_PORT = 9092;26    private static final Integer ZOOKEEPER_PORT = 2181;27    private static final String STARTER_SCRIPT = "/testcontainers_start.sh";28    private static final String INTERNAL_HOST_NAME = "kafka";

KafkaContainer

Using AI Code Generation

1KafkaContainer kafka = new KafkaContainer();2kafka.start();3ZookeeperContainer zookeeper = new ZookeeperContainer();4zookeeper.start();5KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper);6kafka.start();7KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper).withTopic("my_topic");8kafka.start();9KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper).withTopic("my_topic", 3);10kafka.start();11KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper).withTopic("my_topic", 3, (short) 1);12kafka.start();13KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper).withTopic("my_topic", 3, (short) 1, "min.insync.replicas=2");14kafka.start();15KafkaContainer kafka = new KafkaContainer().withEmbeddedZookeeper(zookeeper).withTopic("

KafkaContainer

Using AI Code Generation

1    public void testKafkaContainer() throws ExecutionException, InterruptedException {2        try (KafkaContainer kafka = new KafkaContainer()) {3            kafka.start();4            Properties producerProps = new Properties();5            producerProps.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, kafka.getBootstrapServers());6            producerProps.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);7            producerProps.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);8            KafkaProducer<String, String> producer = new KafkaProducer<>(producerProps);9            Properties consumerProps = new Properties();10            consumerProps.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, kafka.getBootstrapServers());11            consumerProps.put(ConsumerConfig.GROUP_ID_CONFIG, "consumer");12            consumerProps.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");13            consumerProps.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);14            consumerProps.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);15            KafkaConsumer<String, String> consumer = new KafkaConsumer<>(consumerProps);16            consumer.subscribe(Collections.singletonList("topic"));17            ProducerRecord<String, String> record = new ProducerRecord<>("topic", "key", "value");18            producer.send(record).get();19            ConsumerRecords<String, String> records = consumer.poll(Duration.ofSeconds(5));20            assertThat(records.count()).isEqualTo(1);21            assertThat(records.iterator().next().value()).isEqualTo("value");22        }23    }24}

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