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

   1 package de.juplo.kafka;
   2
   3 import lombok.extern.slf4j.Slf4j;
   4 import org.apache.kafka.clients.consumer.ConsumerRecord;
   5 import org.junit.jupiter.api.*;
   6 import org.junit.jupiter.api.extension.ExtendWith;
   7 import org.springframework.beans.factory.annotation.Autowired;
   8 import org.springframework.beans.factory.annotation.Value;
   9 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
  10 import org.springframework.boot.test.context.SpringBootTest;
  11 import org.springframework.boot.test.context.TestConfiguration;
  12 import org.springframework.context.annotation.Bean;
  13 import org.springframework.kafka.annotation.KafkaListener;
  14 import org.springframework.kafka.test.context.EmbeddedKafka;
  15 import org.springframework.test.context.junit.jupiter.SpringExtension;
  16 import org.springframework.test.web.servlet.MockMvc;
  17
  18 import java.time.Duration;
  19 import java.util.LinkedList;
  20 import java.util.List;
  21
  22 import static de.juplo.kafka.ApplicationTests.PARTITIONS;
  23 import static de.juplo.kafka.ApplicationTests.TOPIC;
  24 import static org.awaitility.Awaitility.*;
  25 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
  26 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
  27 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
  28
  29
  30 @ExtendWith(SpringExtension.class)
  31 @EmbeddedKafka(topics = TOPIC, partitions = PARTITIONS)
  32 @Slf4j
  33 public class ApplicationTests
  34 {
  35         static final String TOPIC = "FOO";
  36         static final int PARTITIONS = 10;
  37
  38   @Value("${spring.embedded.kafka.brokers}")
  39   String bootstrapServers;
  40
  41         @Test
  42         void testConcurrentProducers() throws Exception
  43         {
  44     SimpleProducer instanceA = new SimpleProducer(
  45       bootstrapServers,
  46       TOPIC,
  47       "A");
  48     SimpleProducer instanceB = new SimpleProducer(
  49       bootstrapServers,
  50       TOPIC,
  51       "B");
  52
  53
  54                 mockMvc
  55                                 .perform(post("/peter").content("Hallo Welt!"))
  56                                 .andExpect(status().isOk());
  57                 await("Message was send")
  58                                 .atMost(Duration.ofSeconds(5))
  59                                 .until(() -> consumer.received.size() == 1);
  60         }
  61
  62         @Test
  63         void testSendFooMessage() throws Exception
  64         {
  65                 mockMvc
  66                                 .perform(put("/peter"))
  67                                 .andExpect(status().isOk());
  68                 await("Message was send")
  69                                 .atMost(Duration.ofSeconds(5))
  70                                 .until(() -> consumer.received.size() == 1);
  71         }
  72
  73         @Test
  74         void testSendGreeting() throws Exception
  75         {
  76                 mockMvc
  77                                 .perform(post("/").content("peter"))
  78                                 .andExpect(status().isOk());
  79                 await("Message was send")
  80                                 .atMost(Duration.ofSeconds(5))
  81                                 .until(() -> consumer.received.size() == 1);
  82         }
  83 }