1 package de.juplo.kafka;
3 import lombok.extern.slf4j.Slf4j;
4 import org.apache.kafka.clients.consumer.ConsumerRecord;
5 import org.junit.jupiter.api.*;
6 import org.springframework.beans.factory.annotation.Autowired;
7 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
8 import org.springframework.boot.test.context.SpringBootTest;
9 import org.springframework.boot.test.context.TestConfiguration;
10 import org.springframework.context.annotation.Bean;
11 import org.springframework.kafka.annotation.KafkaListener;
12 import org.springframework.kafka.test.context.EmbeddedKafka;
13 import org.springframework.test.web.servlet.MockMvc;
15 import java.time.Duration;
16 import java.util.LinkedList;
17 import java.util.List;
19 import static de.juplo.kafka.ApplicationTests.PARTITIONS;
20 import static de.juplo.kafka.ApplicationTests.TOPIC;
21 import static org.awaitility.Awaitility.*;
22 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
23 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
24 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
29 "spring.kafka.consumer.bootstrap-servers=${spring.embedded.kafka.brokers}",
30 "producer.bootstrap-server=${spring.embedded.kafka.brokers}",
31 "producer.topic=" + TOPIC})
33 @EmbeddedKafka(topics = TOPIC, partitions = PARTITIONS)
35 public class ApplicationTests
37 static final String TOPIC = "FOO";
38 static final int PARTITIONS = 10;
49 consumer.received.clear();
54 void testSendClientMessage() throws Exception
57 .perform(post("/peter").content("Hallo Welt!"))
58 .andExpect(status().isOk());
59 await("Message was send")
60 .atMost(Duration.ofSeconds(5))
61 .until(() -> consumer.received.size() == 1);
65 void testSendFooMessage() throws Exception
68 .perform(put("/peter"))
69 .andExpect(status().isOk());
70 await("Message was send")
71 .atMost(Duration.ofSeconds(5))
72 .until(() -> consumer.received.size() == 1);
76 void testSendGreeting() throws Exception
79 .perform(post("/").content("peter"))
80 .andExpect(status().isOk());
81 await("Message was send")
82 .atMost(Duration.ofSeconds(5))
83 .until(() -> consumer.received.size() == 1);
89 final List<ConsumerRecord<String, String>> received = new LinkedList<>();
91 @KafkaListener(groupId = "TEST", topics = TOPIC)
92 public void receive(ConsumerRecord<String, String> record)
94 log.debug("Received message: {}", record);
100 static class Configuration
105 return new Consumer();