fix: `ConsumerTaskRunner` waits until the data-loading is finished
[demos/kafka/chat] / src / test / java / de / juplo / kafka / chat / backend / implementation / kafka / KafkaChatHomeServiceTest.java
index 4aa362d..e345a75 100644 (file)
 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.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.context.annotation.Import;
 import org.springframework.kafka.core.KafkaTemplate;
-import org.springframework.kafka.support.SendResult;
 import org.springframework.kafka.test.context.EmbeddedKafka;
 
-import java.time.Clock;
-import java.util.List;
-
 import static de.juplo.kafka.chat.backend.domain.ChatHomeServiceWithShardsTest.NUM_SHARDS;
-import static de.juplo.kafka.chat.backend.implementation.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,
+        KafkaTestUtils.KafkaTestConfiguration.class,
         KafkaAutoConfiguration.class,
         TaskExecutionAutoConfiguration.class,
     },
     properties = {
-    "spring.main.allow-bean-definition-overriding=true",
-    "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,
+        "spring.main.allow-bean-definition-overriding=true",
+        "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 = 10)
 @Slf4j
 public class KafkaChatHomeServiceTest extends ChatHomeServiceWithShardsTest
 {
-  final static String TOPIC = "KAFKA_CHAT_HOME_TEST";
-
-
-  @TestConfiguration
-  @EnableConfigurationProperties(ChatBackendProperties.class)
-  @Import(KafkaServicesConfiguration.class)
-  static class KafkaChatHomeTestConfiguration
-  {
-    @Bean
-    ConsumerTaskExecutor.WorkAssignor workAssignor(
-        ChatRoomChannel chatRoomChannel)
-    {
-      return consumer ->
-      {
-        List<TopicPartition> assignedPartitions =
-            List.of(new TopicPartition(TOPIC, 2));
-        consumer.assign(assignedPartitions);
-        chatRoomChannel.onPartitionsAssigned(assignedPartitions);
-      };
-    }
-
-    @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 ConsumerTaskExecutor consumerTaskExecutor,
-      @Autowired KafkaTemplate<String, String> messageTemplate)
-  {
-    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");
-
-    consumerTaskExecutor.executeConsumerTask();
-  }
-
-  static void send(KafkaTemplate<String, String> kafkaTemplate, String key, String value, String typeId)
+  static void sendAndLoadStoredData(
+      @Autowired KafkaTemplate<String, String> messageTemplate,
+      @Autowired ConsumerTaskRunner consumerTaskRunner)
   {
-    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()));
+    KafkaTestUtils.sendAndLoadStoredData(
+        messageTemplate,
+        INFO_TOPIC,
+        DATA_TOPIC,
+        consumerTaskRunner);
   }
 
   @AfterAll
-  static void joinConsumerJob(@Autowired ConsumerTaskExecutor consumerTaskExecutor)
+  static void joinConsumerTasks(
+      @Autowired ConsumerTaskRunner consumerTaskRunner)
+      throws InterruptedException
   {
-    consumerTaskExecutor.joinConsumerTaskJob();
+    KafkaTestUtils.joinConsumerTasks(consumerTaskRunner);
   }
 }