juplo.de Git - demos/kafka/wordcount/blob - src/test/java/de/juplo/kafka/wordcount/recorder/ApplicationTests.java

   1 package de.juplo.kafka.wordcount.recorder;
   2
   3 import lombok.extern.slf4j.Slf4j;
   4 import org.apache.kafka.clients.consumer.ConsumerRecord;
   5 import org.junit.jupiter.api.Test;
   6 import org.springframework.beans.factory.annotation.Autowired;
   7 import org.springframework.boot.test.context.SpringBootTest;
   8 import org.springframework.boot.test.context.TestConfiguration;
   9 import org.springframework.context.annotation.Bean;
  10 import org.springframework.http.HttpHeaders;
  11 import org.springframework.http.MediaType;
  12 import org.springframework.kafka.annotation.KafkaListener;
  13 import org.springframework.kafka.test.context.EmbeddedKafka;
  14 import org.springframework.test.web.reactive.server.WebTestClient;
  15 import org.springframework.util.LinkedMultiValueMap;
  16 import org.springframework.util.MimeType;
  17 import org.springframework.util.MimeTypeUtils;
  18 import org.springframework.util.MultiValueMap;
  19
  20 import static de.juplo.kafka.wordcount.recorder.ApplicationTests.PARTITIONS;
  21 import static de.juplo.kafka.wordcount.recorder.ApplicationTests.TOPIC_OUT;
  22
  23
  24 @SpringBootTest(
  25                 properties = {
  26                                 "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
  27                                 "juplo.wordcount.recorder.bootstrap-server=${spring.embedded.kafka.brokers}",
  28                                 "juplo.wordcount.recorder.topic=" + TOPIC_OUT })
  29 @EmbeddedKafka(topics = { TOPIC_OUT }, partitions = PARTITIONS)
  30 @Slf4j
  31 class ApplicationTests
  32 {
  33         public final static String TOPIC_OUT = "out";
  34         static final int PARTITIONS = 2;
  35
  36         @Autowired
  37         WebTestClient client;
  38
  39         @Test
  40         void contextLoads()
  41         {
  42         }
  43
  44         @Test
  45         void userEventsAreSent()
  46         {
  47                 client
  48                                 .post()
  49                                 .uri("peter")
  50                                 .contentType(MediaType.TEXT_PLAIN)
  51                                 .bodyValue("Hallö Wält*&%€!")
  52                                 .
  53         }
  54
  55         static class Consumer
  56         {
  57                 final MultiValueMap<String, String> received = new LinkedMultiValueMap<>();
  58
  59                 @KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
  60                 public void receive(ConsumerRecord<String, String> record)
  61                 {
  62                         log.debug("Received message: {}", record);
  63                         received.add(record.key(), record.value());
  64                 }
  65         }
  66
  67         @TestConfiguration
  68         static class Configuration
  69         {
  70                 @Bean
  71                 Consumer consumer()
  72                 {
  73                         return new Consumer();
  74                 }
  75         }
  76 }