X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fsplitter%2FSplitterApplicationTests.java;fp=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fsplitter%2FSplitterApplicationTests.java;h=9b1960f7284a1b9fbc38ca5bfb273a1db3f50e1d;hb=cbabb637d0332ef3d8c67faf63e6e6897a69977f;hp=0000000000000000000000000000000000000000;hpb=e8eee1b8a20b4aeadcb5384dd8473bc8a543a259;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationTests.java b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationTests.java
new file mode 100644
index 0000000..9b1960f
--- /dev/null
+++ b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationTests.java
@@ -0,0 +1,97 @@
+package de.juplo.kafka.wordcount.splitter;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.junit.jupiter.api.BeforeEach;
+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.test.context.EmbeddedKafka;
+
+import java.time.Duration;
+import java.util.LinkedList;
+import java.util.List;
+
+import static de.juplo.kafka.wordcount.splitter.SplitterApplicationTests.*;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.awaitility.Awaitility.*;
+
+
+@SpringBootTest(
+		properties = {
+				"spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
+				"juplo.wordcount.splitter.bootstrap-server=${spring.embedded.kafka.brokers}",
+				"juplo.wordcount.splitter.input-topic=" + TOPIC_IN,
+				"juplo.wordcount.splitter.output-topic=" + TOPIC_OUT })
+@EmbeddedKafka(topics = { TOPIC_IN, TOPIC_OUT }, partitions = PARTITIONS)
+@Slf4j
+public class SplitterApplicationTests
+{
+	public final static String TOPIC_IN = "in";
+	public final static String TOPIC_OUT = "out";
+	static final int PARTITIONS = 2;
+
+	@Autowired
+	KafkaTemplate<String, String> kafkaTemplate;
+	@Autowired
+	ObjectMapper mapper;
+	@Autowired
+	Consumer consumer;
+
+
+	@BeforeEach
+	public void clear()
+	{
+		consumer.received.clear();
+	}
+
+
+	@Test
+	void testSendMessage() throws Exception
+	{
+		Recording recording = new Recording();
+		recording.setUser("peter");
+		recording.setSentence("Hallo Welt!");
+		kafkaTemplate.send(TOPIC_IN, mapper.writeValueAsString(recording));
+
+		String word1 = mapper.writeValueAsString(Word.of("peter", "Hallo"));
+		String word2 = mapper.writeValueAsString(Word.of("peter", "Welt"));
+
+		await("Expexted converted data")
+				.atMost(Duration.ofSeconds(5))
+				.untilAsserted(() ->
+				{
+					assertThat(consumer.received).hasSize(2);
+					assertThat(consumer.received.get(0).value()).isEqualTo(word1);
+					assertThat(consumer.received.get(1).value()).isEqualTo(word2);
+				});
+	}
+
+
+	static class Consumer
+	{
+		final List<ConsumerRecord<String, String>> received = new LinkedList<>();
+
+		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
+		public void receive(ConsumerRecord<String, String> record)
+		{
+			log.debug("Received message: {}", record);
+			received.add(record);
+		}
+	}
+
+	@TestConfiguration
+	static class Configuration
+	{
+		@Bean
+		Consumer consumer()
+		{
+			return new Consumer();
+		}
+	}
+}