From 5283e1688c50764d828f83f7d58d4cf1c7e56cf9 Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Sun, 2 Jun 2024 13:44:28 +0200
Subject: [PATCH] splitter: 1.2.0 - Refined creation of input in
 `SplitterApplicationIT`

---
 .../splitter/SplitterApplicationIT.java       | 38 ++++++++++++++-----
 .../kafka/wordcount/splitter/TestData.java    |  7 ----
 2 files changed, 28 insertions(+), 17 deletions(-)

diff --git a/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java
index a702e1d..743c06e 100644
--- a/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java
@@ -3,7 +3,7 @@ package de.juplo.kafka.wordcount.splitter;
 import de.juplo.kafka.wordcount.counter.TestWord;
 import de.juplo.kafka.wordcount.recorder.TestRecording;
 import lombok.extern.slf4j.Slf4j;
-import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -12,6 +12,7 @@ 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;
@@ -19,8 +20,10 @@ import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
 import java.time.Duration;
+import java.util.stream.Stream;
 
-import static de.juplo.kafka.wordcount.splitter.SplitterApplicationIT.*;
+import static de.juplo.kafka.wordcount.splitter.SplitterApplicationIT.TOPIC_IN;
+import static de.juplo.kafka.wordcount.splitter.SplitterApplicationIT.TOPIC_OUT;
 import static org.awaitility.Awaitility.await;
 
 
@@ -44,23 +47,38 @@ public class SplitterApplicationIT
 	public final static String TOPIC_IN = "in";
 	public final static String TOPIC_OUT = "out";
 
-	@Autowired
-	KafkaTemplate<String, TestRecording> kafkaTemplate;
 	@Autowired
 	Consumer consumer;
 
-
-	@BeforeEach
-	public void clear()
+	@BeforeAll
+	public static void testSendMessage(
+			@Autowired KafkaTemplate<String, TestRecording> kafkaTemplate)
 	{
-		consumer.received.clear();
+		Stream
+				.of(TestData.INPUT_MESSAGES)
+				.forEach(kv ->
+				{
+					try
+					{
+						SendResult<String, TestRecording> 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);
+					}
+				});
 	}
 
+
 	@Test
 	void testSendMessage() throws Exception
 	{
-		TestData.writeInputData((user, recording) -> kafkaTemplate.send(TOPIC_IN, user, recording));
-
 		await("Expexted converted data")
 				.atMost(Duration.ofSeconds(5))
 				.untilAsserted(() ->
diff --git a/src/test/java/de/juplo/kafka/wordcount/splitter/TestData.java b/src/test/java/de/juplo/kafka/wordcount/splitter/TestData.java
index e2bf9cc..8c343d5 100644
--- a/src/test/java/de/juplo/kafka/wordcount/splitter/TestData.java
+++ b/src/test/java/de/juplo/kafka/wordcount/splitter/TestData.java
@@ -7,7 +7,6 @@ import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
 import java.time.Duration;
-import java.util.function.BiConsumer;
 import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -19,12 +18,6 @@ public class TestData
 	static final String PETER = "peter";
 	static final String KLAUS = "klaus";
 
-	static void writeInputData(BiConsumer<String, TestRecording> consumer)
-	{
-		Stream
-				.of(INPUT_MESSAGES)
-				.forEach(kv -> consumer.accept(kv.key, kv.value));
-	}
 
 	static final KeyValue<String, TestRecording>[] INPUT_MESSAGES = new KeyValue[]
 	{
-- 
2.20.1