1 package de.juplo.kafka.chat.backend.implementation.kafka;
3 import de.juplo.kafka.chat.backend.ChatBackendProperties;
4 import de.juplo.kafka.chat.backend.domain.ChatHomeServiceWithShardsTest;
5 import lombok.extern.slf4j.Slf4j;
6 import org.apache.kafka.clients.producer.ProducerRecord;
7 import org.apache.kafka.common.TopicPartition;
8 import org.junit.jupiter.api.AfterAll;
9 import org.junit.jupiter.api.BeforeAll;
10 import org.springframework.beans.factory.annotation.Autowired;
11 import org.springframework.boot.DefaultApplicationArguments;
12 import org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration;
13 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
14 import org.springframework.boot.context.properties.EnableConfigurationProperties;
15 import org.springframework.boot.test.context.SpringBootTest;
16 import org.springframework.boot.test.context.TestConfiguration;
17 import org.springframework.context.annotation.Bean;
18 import org.springframework.context.annotation.Import;
19 import org.springframework.kafka.core.KafkaTemplate;
20 import org.springframework.kafka.support.SendResult;
21 import org.springframework.kafka.test.context.EmbeddedKafka;
23 import java.time.Clock;
24 import java.util.List;
26 import static de.juplo.kafka.chat.backend.domain.ChatHomeServiceWithShardsTest.NUM_SHARDS;
27 import static de.juplo.kafka.chat.backend.implementation.kafka.KafkaChatHomeServiceTest.TOPIC;
32 KafkaChatHomeServiceTest.KafkaChatHomeTestConfiguration.class,
33 KafkaAutoConfiguration.class,
34 TaskExecutionAutoConfiguration.class,
37 "spring.main.allow-bean-definition-overriding=true",
38 "chat.backend.services=kafka",
39 "chat.backend.kafka.client-id-PREFIX=TEST",
40 "chat.backend.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
41 "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
42 "chat.backend.kafka.chatroom-channel-topic=" + TOPIC,
43 "chat.backend.kafka.num-partitions=" + NUM_SHARDS,
45 @EmbeddedKafka(topics = { TOPIC }, partitions = 10)
47 public class KafkaChatHomeServiceTest extends ChatHomeServiceWithShardsTest
49 final static String TOPIC = "KAFKA_CHAT_HOME_TEST";
53 @EnableConfigurationProperties(ChatBackendProperties.class)
54 @Import(KafkaServicesConfiguration.class)
55 static class KafkaChatHomeTestConfiguration
58 KafkaServicesApplicationRunner.WorkAssignor workAssignor(
59 ChatRoomChannel chatRoomChannel)
63 List<TopicPartition> assignedPartitions =
64 List.of(new TopicPartition(TOPIC, 2));
65 consumer.assign(assignedPartitions);
66 chatRoomChannel.onPartitionsAssigned(assignedPartitions);
73 return Clock.systemDefaultZone();
79 public static void sendAndLoadStoredData(@Autowired KafkaTemplate<String, String> messageTemplate)
81 send(messageTemplate, "5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\": \"5c73531c-6fc4-426c-adcb-afc5c140a0f7\", \"shard\": 2, \"name\": \"FOO\" }", "command_create_chatroom");
82 send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"peter\", \"text\" : \"Hallo, ich heiße Peter!\" }", "event_chatmessage_received");
83 send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"ute\", \"text\" : \"Ich bin Ute...\" }", "event_chatmessage_received");
84 send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 2, \"user\" : \"peter\", \"text\" : \"Willst du mit mir gehen?\" }", "event_chatmessage_received");
85 send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"klaus\", \"text\" : \"Ja? Nein? Vielleicht??\" }", "event_chatmessage_received");
88 static void send(KafkaTemplate<String, String> kafkaTemplate, String key, String value, String typeId)
90 ProducerRecord<String, String> record = new ProducerRecord<>(TOPIC, key, value);
91 record.headers().add("__TypeId__", typeId.getBytes());
92 SendResult<String, String> result = kafkaTemplate.send(record).join();
97 new TopicPartition(result.getRecordMetadata().topic(), result.getRecordMetadata().partition()));
101 static void joinConsumerJob(@Autowired KafkaServicesApplicationRunner applicationRunner)
103 applicationRunner.joinChatRoomChannelConsumerJob();