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

diff --git a/pom.xml b/pom.xml
index fd71ccd..b30c4ea 100644 (file)
--- 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 (file)
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 (file)
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();
+               }
+       }
+}