From: Kai Moritz <kai@juplo.de>
Date: Mon, 27 May 2024 21:32:49 +0000 (+0200)
Subject: top10: 1.2.1 - (RED) Implemented integration-test `Top10ApplicationIT`
X-Git-Tag: top10-1.2.1~18
X-Git-Url: https://juplo.de/gitweb/?a=commitdiff_plain;h=0b34b4d8eec93307ae521b423397d46fb3055827;p=demos%2Fkafka%2Fwordcount

top10: 1.2.1 - (RED) Implemented integration-test `Top10ApplicationIT`
---

diff --git a/pom.xml b/pom.xml
index fd71ccd..b30c4ea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>de.juplo.kafka.wordcount</groupId>
 	<artifactId>top10</artifactId>
-	<version>1.2.0</version>
+	<version>1.2.1</version>
 	<name>Wordcount-Top-10</name>
 	<description>Top-10 stream-processor of the multi-user wordcount-example</description>
 	<properties>
diff --git a/src/test/java/de/juplo/kafka/wordcount/query/TestRanking.java b/src/test/java/de/juplo/kafka/wordcount/query/TestRanking.java
new file mode 100644
index 0000000..e7f8053
--- /dev/null
+++ b/src/test/java/de/juplo/kafka/wordcount/query/TestRanking.java
@@ -0,0 +1,11 @@
+package de.juplo.kafka.wordcount.query;
+
+import de.juplo.kafka.wordcount.top10.Entry;
+import lombok.Data;
+
+
+@Data
+public class TestRanking
+{
+  private Entry[] entries;
+}
diff --git a/src/test/java/de/juplo/kafka/wordcount/top10/Top10ApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/top10/Top10ApplicationIT.java
new file mode 100644
index 0000000..2d45f03
--- /dev/null
+++ b/src/test/java/de/juplo/kafka/wordcount/top10/Top10ApplicationIT.java
@@ -0,0 +1,121 @@
+package de.juplo.kafka.wordcount.top10;
+
+import de.juplo.kafka.wordcount.counter.TestWord;
+import de.juplo.kafka.wordcount.counter.TestCounter;
+import de.juplo.kafka.wordcount.query.TestRanking;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.kafka.support.SendResult;
+import org.springframework.kafka.test.context.EmbeddedKafka;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.messaging.handler.annotation.Payload;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+
+import java.time.Duration;
+import java.util.stream.Stream;
+
+import static org.awaitility.Awaitility.await;
+
+
+@SpringBootTest(
+		properties = {
+				"spring.kafka.producer.key-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
+				"spring.kafka.producer.value-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
+				"spring.kafka.producer.properties.spring.json.type.mapping=word:de.juplo.kafka.wordcount.counter.TestWord,counter:de.juplo.kafka.wordcount.counter.TestCounter",
+				"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.top10.User",
+				"spring.kafka.consumer.properties.spring.json.value.default.type=de.juplo.kafka.wordcount.query.TestRanking",
+				"spring.kafka.consumer.properties.spring.json.trusted.packages=de.juplo.kafka.wordcount.top10	",
+				"logging.level.root=WARN",
+				"logging.level.de.juplo=DEBUG",
+				"juplo.wordcount.top10.bootstrap-server=${spring.embedded.kafka.brokers}",
+				"juplo.wordcount.top10.input-topic=" + Top10ApplicationIT.TOPIC_IN,
+				"juplo.wordcount.top10.output-topic=" + Top10ApplicationIT.TOPIC_OUT })
+@EmbeddedKafka(topics = { Top10ApplicationIT.TOPIC_IN, Top10ApplicationIT.TOPIC_OUT })
+@Slf4j
+public class Top10ApplicationIT
+{
+	public static final String TOPIC_IN = "in";
+	public static final String TOPIC_OUT = "out";
+
+	@Autowired
+	Consumer consumer;
+
+
+	@BeforeAll
+	public static void testSendMessage(
+			@Autowired KafkaTemplate<TestWord, TestCounter> kafkaTemplate)
+	{
+		Stream
+				.of(TestData.INPUT_MESSAGES)
+				.forEach(kv ->
+				{
+					try
+					{
+						SendResult<TestWord, TestCounter> result = kafkaTemplate.send(TOPIC_IN, kv.key, kv.value).get();
+						log.info(
+								"Sent: {}={}, partition={}, offset={}",
+								result.getProducerRecord().key(),
+								result.getProducerRecord().value(),
+								result.getRecordMetadata().partition(),
+								result.getRecordMetadata().offset());
+					}
+					catch (Exception e)
+					{
+						throw new RuntimeException(e);
+					}
+				});
+	}
+
+	@DisplayName("Await the expected output messages")
+	@Test
+	public void testAwaitExpectedMessages()
+	{
+		await("Expected messages")
+				.atMost(Duration.ofSeconds(5))
+				.untilAsserted(() -> TestData.assertExpectedMessages(consumer.getReceivedMessages()));
+	}
+
+
+	static class Consumer
+	{
+		private final MultiValueMap<User, Ranking> received = new LinkedMultiValueMap<>();
+
+		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
+		public synchronized void receive(
+				@Header(KafkaHeaders.RECEIVED_KEY) User user,
+				@Payload TestRanking ranking)
+		{
+			log.debug("Received message: {} -> {}", user, ranking);
+			received.add(user, Ranking.of(ranking.getEntries()));
+		}
+
+		synchronized MultiValueMap<User, Ranking> getReceivedMessages()
+		{
+			return received;
+		}
+	}
+
+	@TestConfiguration
+	static class Configuration
+	{
+		@Bean
+		Consumer consumer()
+		{
+			return new Consumer();
+		}
+	}
+}