SimpleKafkaTest.java 文件源码

@Test
public void shouldWriteThenRead() throws Exception {

    //Create a consumer
    ConsumerIterator<String, String> it = buildConsumer(SimpleKafkaTest.topic);

    //Create a producer
    producer = new KafkaProducer<>(producerProps());

    //send a message
    producer.send(new ProducerRecord<>(SimpleKafkaTest.topic, "message")).get();

    //read it back
    MessageAndMetadata<String, String> messageAndMetadata = it.next();
    String value = messageAndMetadata.message();
    assertThat(value, is("message"));
}