X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterApplicationIT.java;h=992164c3a040418838800b0c06a0c84bdbbed282;hb=a5146f975d5383dd2ec046478f20937d821dfa51;hp=fd920006ed9811b60d5f868be2a90d1def1a1d6d;hpb=f8f9b6397ba0096bffa463e09a2db93277a3f9cf;p=demos%2Fkafka%2Fwordcount

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 fd92000..992164c 100644
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
@@ -1,11 +1,8 @@
 package de.juplo.kafka.wordcount.counter;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.RequiredArgsConstructor;
-import lombok.Value;
 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;
@@ -18,36 +15,45 @@ import org.springframework.context.annotation.Primary;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.kafka.test.context.EmbeddedKafka;
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
 
 import java.time.Duration;
+import java.util.LinkedList;
+import java.util.List;
 
-import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.*;
-import static org.assertj.core.api.Assertions.assertThat;
-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;
-	@Autowired
-	ObjectMapper mapper;
+	KafkaTemplate<String, Word> kafkaTemplate;
 	@Autowired
 	Consumer consumer;
 
@@ -60,95 +66,45 @@ public class CounterApplicationIT
 
 
 	@Test
-	void testSendMessage() throws Exception
+	void testSendMessage()
 	{
-		kafkaTemplate.send(TOPIC_IN, "peter", "Hallo");
-		kafkaTemplate.send(TOPIC_IN, "klaus", "Müsch");
-		kafkaTemplate.send(TOPIC_IN, "peter", "Welt");
-		kafkaTemplate.send(TOPIC_IN, "klaus", "Müsch");
-		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
-		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
-		kafkaTemplate.send(TOPIC_IN, "peter", "Welt");
-		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
-		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
-		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
-		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
-
-		Message peter1 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Hallo\"}",
-				"1");
-		Message peter2 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Welt\"}",
-				"1");
-		Message peter3 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
-				"1");
-		Message peter4 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Welt\"}",
-				"2");
-		Message peter5 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
-				"2");
-		Message peter6 = Message.of(
-				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
-				"3");
-
-		Message klaus1 = Message.of(
-				"{\"username\":\"klaus\",\"word\":\"Müsch\"}",
-				"1");
-		Message klaus2 = Message.of(
-				"{\"username\":\"klaus\",\"word\":\"Müsch\"}",
-				"2");
-		Message klaus3 = Message.of(
-				"{\"username\":\"klaus\",\"word\":\"s\"}",
-				"1");
-		Message klaus4 = Message.of(
-				"{\"username\":\"klaus\",\"word\":\"s\"}",
-				"2");
-		Message klaus5 = Message.of(
-				"{\"username\":\"klaus\",\"word\":\"s\"}",
-				"3");
+		TestData.writeInputData((key, value) -> kafkaTemplate.send(TOPIC_IN, key, value));
 
 		await("Expexted converted data")
 				.atMost(Duration.ofSeconds(10))
-				.untilAsserted(() ->
-				{
-					assertThat(consumer.received).hasSize(2);
-					assertThat(consumer.received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4, klaus5);
-					assertThat(consumer.received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6);
-				});
+				.untilAsserted(() -> TestData.assertExpectedResult(consumer.getReceivedMessages()));
 	}
 
 
-	@RequiredArgsConstructor
 	static class Consumer
 	{
-		private final MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
-		private final ObjectMapper mapper;
+		private final List<KeyValue<Word, WordCounter>> received = new LinkedList<>();
 
 		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
-		public void receive(ConsumerRecord<String, String> record) throws JsonProcessingException
+		public synchronized void receive(ConsumerRecord<Word, WordCounter> record)
 		{
-			log.debug("Received message: {}", record);
-			Key key = mapper.readValue(record.key(), Key.class);
-			received.add(key.getUsername(), 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()));
 		}
-	}
 
-	@Value(staticConstructor = "of")
-	static class Message
-	{
-		String key;
-		String value;
+		synchronized List<KeyValue<Word, WordCounter>> getReceivedMessages()
+		{
+			return received;
+		}
 	}
 
 	@TestConfiguration
 	static class Configuration
 	{
 		@Bean
-		Consumer consumer(ObjectMapper mapper)
+		Consumer consumer()
 		{
-			return new Consumer(mapper);
+			return new Consumer();
 		}
 
 		@Primary