counter: 1.2.15 - Refined `CounterApplicationIT` (simplified setup)

[demos/kafka/wordcount] / src / test / java / de / juplo / kafka / wordcount / counter / CounterApplicationIT.java

diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
index b412fe4..992164c 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
@@ -1,8 +1,8 @@
 package de.juplo.kafka.wordcount.counter;
 
-import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.apache.kafka.streams.KeyValue;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.Stores;
 import org.junit.jupiter.api.BeforeEach;
@@ -20,28 +20,40 @@ import java.time.Duration;
 import java.util.LinkedList;
 import java.util.List;
 
-import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.*;
-import static org.awaitility.Awaitility.*;
+import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.TOPIC_IN;
+import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.TOPIC_OUT;
+import static de.juplo.kafka.wordcount.counter.TestData.parseHeader;
+import static org.awaitility.Awaitility.await;
+import static org.springframework.kafka.support.mapping.AbstractJavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME;
+import static org.springframework.kafka.support.mapping.AbstractJavaTypeMapper.KEY_DEFAULT_CLASSID_FIELD_NAME;
 
 
 @SpringBootTest(
                properties = {
-                               "spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
+                               "spring.kafka.producer.value-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
+                               "spring.kafka.producer.properties.spring.json.add.type.headers=false",
+                               "spring.kafka.consumer.auto-offset-reset=earliest",
+                               "spring.kafka.consumer.key-deserializer=org.springframework.kafka.support.serializer.JsonDeserializer",
+                               "spring.kafka.consumer.value-deserializer=org.springframework.kafka.support.serializer.JsonDeserializer",
+                               "spring.kafka.consumer.properties.spring.json.use.type.headers=false",
+                               "spring.kafka.consumer.properties.spring.json.key.default.type=de.juplo.kafka.wordcount.counter.Word",
+                               "spring.kafka.consumer.properties.spring.json.value.default.type=de.juplo.kafka.wordcount.counter.WordCounter",
+                               "logging.level.root=WARN",
+                               "logging.level.de.juplo=DEBUG",
                                "juplo.wordcount.counter.bootstrap-server=${spring.embedded.kafka.brokers}",
                                "juplo.wordcount.counter.commit-interval=0",
                                "juplo.wordcount.counter.cacheMaxBytes=0",
                                "juplo.wordcount.counter.input-topic=" + TOPIC_IN,
                                "juplo.wordcount.counter.output-topic=" + TOPIC_OUT })
-@EmbeddedKafka(topics = { TOPIC_IN, TOPIC_OUT }, partitions = PARTITIONS)
+@EmbeddedKafka(topics = { TOPIC_IN, TOPIC_OUT })
 @Slf4j
 public class CounterApplicationIT
 {
-       public final static String TOPIC_IN = "in";
-       public final static String TOPIC_OUT = "out";
-       static final int PARTITIONS = 2;
+       public static final String TOPIC_IN = "in";
+       public static final String TOPIC_OUT = "out";
 
        @Autowired
-       KafkaTemplate<String, String> kafkaTemplate;
+       KafkaTemplate<String, Word> kafkaTemplate;
        @Autowired
        Consumer consumer;
 
@@ -64,19 +76,23 @@ public class CounterApplicationIT
        }
 
 
-       @RequiredArgsConstructor
        static class Consumer
        {
-               private final List<Message> received = new LinkedList<>();
+               private final List<KeyValue<Word, WordCounter>> received = new LinkedList<>();
 
                @KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
-               public synchronized void receive(ConsumerRecord<String, String> record)
+               public synchronized void receive(ConsumerRecord<Word, WordCounter> record)
                {
-                       log.debug("Received message: {}", record);
-                       received.add(Message.of(record.key(),record.value()));
+                       log.debug(
+                                       "Received message: {} -> {}, key: {}, value: {}",
+                                       record.key(),
+                                       record.value(),
+                                       parseHeader(record.headers(), KEY_DEFAULT_CLASSID_FIELD_NAME),
+                                       parseHeader(record.headers(), DEFAULT_CLASSID_FIELD_NAME));
+                       received.add(KeyValue.pair(record.key(),record.value()));
                }
 
-               synchronized List<Message> getReceivedMessages()
+               synchronized List<KeyValue<Word, WordCounter>> getReceivedMessages()
                {
                        return received;
                }