-package de.juplo.kafka.chat.backend.persistence.kafka;
+package de.juplo.kafka.chat.backend.implementation.kafka;
-import de.juplo.kafka.chat.backend.ChatBackendProperties;
import de.juplo.kafka.chat.backend.domain.ChatHomeServiceWithShardsTest;
import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.Consumer;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.common.TopicPartition;
-import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration;
import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.context.annotation.Bean;
import org.springframework.kafka.core.KafkaTemplate;
-import org.springframework.kafka.support.SendResult;
import org.springframework.kafka.test.context.EmbeddedKafka;
-import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
-
-import java.time.Clock;
-import java.util.List;
-import java.util.concurrent.CompletableFuture;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
import static de.juplo.kafka.chat.backend.domain.ChatHomeServiceWithShardsTest.NUM_SHARDS;
-import static de.juplo.kafka.chat.backend.persistence.kafka.KafkaChatHomeServiceTest.TOPIC;
+import static de.juplo.kafka.chat.backend.implementation.kafka.KafkaChatHomeServiceTest.DATA_TOPIC;
+import static de.juplo.kafka.chat.backend.implementation.kafka.KafkaChatHomeServiceTest.INFO_TOPIC;
-@SpringBootTest(
- classes = {
- KafkaChatHomeServiceTest.KafkaChatHomeTestConfiguration.class,
- KafkaServicesConfiguration.class,
+@ContextConfiguration(classes = {
+ KafkaTestUtils.KafkaTestConfiguration.class,
KafkaAutoConfiguration.class,
TaskExecutionAutoConfiguration.class,
- },
- properties = {
- "chat.backend.services=kafka",
- "chat.backend.kafka.client-id-PREFIX=TEST",
- "chat.backend.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
- "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
- "chat.backend.kafka.chatroom-channel-topic=" + TOPIC,
- "chat.backend.kafka.num-partitions=" + NUM_SHARDS,
+ })
+@TestPropertySource(properties = {
+ "chat.backend.services=kafka",
+ "chat.backend.kafka.client-id-PREFIX=TEST",
+ "chat.backend.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
+ "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
+ "chat.backend.kafka.info-channel-topic=" + INFO_TOPIC,
+ "chat.backend.kafka.data-channel-topic=" + DATA_TOPIC,
+ "chat.backend.kafka.num-partitions=" + NUM_SHARDS,
})
-@EmbeddedKafka(topics = { TOPIC }, partitions = 10)
+@EmbeddedKafka(
+ topics = { INFO_TOPIC, DATA_TOPIC },
+ partitions = NUM_SHARDS)
@Slf4j
public class KafkaChatHomeServiceTest extends ChatHomeServiceWithShardsTest
{
- final static String TOPIC = "KAFKA_CHAT_HOME_TEST";
-
- static CompletableFuture<Void> CONSUMER_JOB;
-
-
- @TestConfiguration
- @EnableConfigurationProperties(ChatBackendProperties.class)
- static class KafkaChatHomeTestConfiguration
- {
- @Bean
- Clock clock()
- {
- return Clock.systemDefaultZone();
- }
- }
+ final static String INFO_TOPIC = "KAFKA_CHAT_HOME_TEST_INFO";
+ final static String DATA_TOPIC = "KAFKA_CHAT_HOME_TEST_DATA";
@BeforeAll
- public static void sendAndLoadStoredData(
- @Autowired KafkaTemplate<String, String> messageTemplate,
- @Autowired Consumer chatRoomChannelConsumer,
- @Autowired ThreadPoolTaskExecutor taskExecutor,
- @Autowired ChatRoomChannel chatRoomChannel)
- {
- send(messageTemplate, "5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\": \"5c73531c-6fc4-426c-adcb-afc5c140a0f7\", \"shard\": 2, \"name\": \"FOO\" }", "command_create_chatroom");
- send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"peter\", \"text\" : \"Hallo, ich heiße Peter!\" }", "event_chatmessage_received");
- send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"ute\", \"text\" : \"Ich bin Ute...\" }", "event_chatmessage_received");
- send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 2, \"user\" : \"peter\", \"text\" : \"Willst du mit mir gehen?\" }", "event_chatmessage_received");
- send(messageTemplate,"5c73531c-6fc4-426c-adcb-afc5c140a0f7","{ \"id\" : 1, \"user\" : \"klaus\", \"text\" : \"Ja? Nein? Vielleicht??\" }", "event_chatmessage_received");
-
- List<TopicPartition> assignedPartitions = List.of(new TopicPartition(TOPIC, 2));
- chatRoomChannelConsumer.assign(assignedPartitions);
- chatRoomChannel.onPartitionsAssigned(assignedPartitions);
- CONSUMER_JOB = taskExecutor
- .submitCompletable(chatRoomChannel)
- .exceptionally(e ->
- {
- log.error("The consumer for the ChatRoomChannel exited abnormally!", e);
- return null;
- });
- }
-
- static void send(KafkaTemplate<String, String> kafkaTemplate, String key, String value, String typeId)
- {
- ProducerRecord<String, String> record = new ProducerRecord<>(TOPIC, key, value);
- record.headers().add("__TypeId__", typeId.getBytes());
- SendResult<String, String> result = kafkaTemplate.send(record).join();
- log.info(
- "Sent {}={} to {}",
- key,
- value,
- new TopicPartition(result.getRecordMetadata().topic(), result.getRecordMetadata().partition()));
- }
-
- @AfterAll
- static void joinConsumerJob(@Autowired Consumer chatRoomChannelConsumer)
+ static void sendAndLoadStoredData(
+ @Autowired KafkaTemplate<String, String> messageTemplate)
{
- log.info("Signaling the consumer of the CahtRoomChannel to quit its work");
- chatRoomChannelConsumer.wakeup();
- log.info("Waiting for the consumer of the ChatRoomChannel to finish its work");
- CONSUMER_JOB.join();
- log.info("Joined the consumer of the ChatRoomChannel");
+ KafkaTestUtils.sendAndLoadStoredData(
+ messageTemplate,
+ INFO_TOPIC,
+ DATA_TOPIC);
}
}