Merge der Refaktorisierung des EndlessConsumer (Branch 'stored-state')
[demos/kafka/training] / src / test / java / de / juplo / kafka / ApplicationTests.java
index 40dc149..4b7ef36 100644 (file)
@@ -11,6 +11,8 @@ import org.apache.kafka.common.serialization.*;
 import org.apache.kafka.common.utils.Bytes;
 import org.junit.jupiter.api.*;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.autoconfigure.data.mongo.AutoConfigureDataMongo;
 import org.springframework.boot.test.context.ConfigDataApplicationContextInitializer;
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.context.annotation.Bean;
@@ -40,8 +42,11 @@ import static org.awaitility.Awaitility.*;
 @TestPropertySource(
                properties = {
                                "consumer.bootstrap-server=${spring.embedded.kafka.brokers}",
-                               "consumer.topic=" + TOPIC })
+                               "consumer.topic=" + TOPIC,
+                               "spring.mongodb.embedded.version=4.4.13" })
 @EmbeddedKafka(topics = TOPIC, partitions = PARTITIONS)
+@EnableAutoConfiguration
+@AutoConfigureDataMongo
 @Slf4j
 class ApplicationTests
 {
@@ -58,11 +63,13 @@ class ApplicationTests
        @Autowired
        KafkaConsumer<String, Long> kafkaConsumer;
        @Autowired
-       KafkaConsumer<Bytes, Bytes> offsetConsumer;
+       PartitionStatisticsRepository partitionStatisticsRepository;
        @Autowired
        ApplicationProperties properties;
        @Autowired
        ExecutorService executor;
+       @Autowired
+       PartitionStatisticsRepository repository;
 
        Consumer<ConsumerRecord<String, Long>> testHandler;
        EndlessConsumer<String, Long> endlessConsumer;
@@ -170,9 +177,12 @@ class ApplicationTests
 
        void doForCurrentOffsets(BiConsumer<TopicPartition, Long> consumer)
        {
-               offsetConsumer.assign(partitions());
-               partitions().forEach(tp -> consumer.accept(tp, offsetConsumer.position(tp)));
-               offsetConsumer.unsubscribe();
+               partitions().forEach(tp ->
+               {
+                       String partition = Integer.toString(tp.partition());
+                       Optional<Long> offset = partitionStatisticsRepository.findById(partition).map(document -> document.offset);
+                       consumer.accept(tp, offset.orElse(0l));
+               });
        }
 
        List<TopicPartition> partitions()
@@ -255,6 +265,7 @@ class ApplicationTests
                endlessConsumer =
                                new EndlessConsumer<>(
                                                executor,
+                                               repository,
                                                properties.getClientId(),
                                                properties.getTopic(),
                                                kafkaConsumer,
@@ -298,18 +309,5 @@ class ApplicationTests
 
                        return new KafkaProducer<>(props);
                }
-
-               @Bean
-               KafkaConsumer<Bytes, Bytes> offsetConsumer(ApplicationProperties properties)
-               {
-                       Properties props = new Properties();
-                       props.put("bootstrap.servers", properties.getBootstrapServer());
-                       props.put("client.id", "OFFSET-CONSUMER");
-                       props.put("group.id", properties.getGroupId());
-                       props.put("key.deserializer", BytesDeserializer.class.getName());
-                       props.put("value.deserializer", BytesDeserializer.class.getName());
-
-                       return new KafkaConsumer<>(props);
-               }
        }
 }