X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fsplitter%2FSplitterApplicationIT.java;fp=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fsplitter%2FSplitterApplicationIT.java;h=3fa5851f061bad65b88c5e38e9f591fde26d8ab0;hb=5dade68933e284e71667e0bea4ac578d2ec3f1d6;hp=0000000000000000000000000000000000000000;hpb=995e7b14e49db4a6f82dc682cb32f970973d8b82;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java
new file mode 100644
index 0000000..3fa5851
--- /dev/null
+++ b/src/test/java/de/juplo/kafka/wordcount/splitter/SplitterApplicationIT.java
@@ -0,0 +1,114 @@
+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 org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+
+import java.time.Duration;
+
+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, recording.getUser(), mapper.writeValueAsString(recording));
+		recording.setUser("klaus");
+		recording.setSentence("Müsch gäb's auch!");
+		kafkaTemplate.send(TOPIC_IN, recording.getUser(), mapper.writeValueAsString(recording));
+		recording.setUser("peter");
+		recording.setSentence("Boäh, echt! ß mal nä Nümmäh!");
+		kafkaTemplate.send(TOPIC_IN, recording.getUser(), mapper.writeValueAsString(recording));
+
+		String peter1 = mapper.writeValueAsString(Word.of("peter", "Hallo"));
+		String peter2 = mapper.writeValueAsString(Word.of("peter", "Welt"));
+		String peter3 = mapper.writeValueAsString(Word.of("peter", "Boäh"));
+		String peter4 = mapper.writeValueAsString(Word.of("peter", "echt"));
+		String peter5 = mapper.writeValueAsString(Word.of("peter", "ß"));
+		String peter6 = mapper.writeValueAsString(Word.of("peter", "mal"));
+		String peter7 = mapper.writeValueAsString(Word.of("peter", "nä"));
+		String peter8 = mapper.writeValueAsString(Word.of("peter", "Nümmäh"));
+
+		String klaus1 = mapper.writeValueAsString(Word.of("klaus","Müsch"));
+		String klaus2 = mapper.writeValueAsString(Word.of("klaus","gäb"));
+		String klaus3 = mapper.writeValueAsString(Word.of("klaus","s"));
+		String klaus4 = mapper.writeValueAsString(Word.of("klaus","auch"));
+
+		await("Expexted converted data")
+				.atMost(Duration.ofSeconds(5))
+				.untilAsserted(() ->
+				{
+					assertThat(consumer.received).hasSize(2);
+					assertThat(consumer.received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4);
+					assertThat(consumer.received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6, peter7, peter8);
+				});
+	}
+
+
+	static class Consumer
+	{
+		final MultiValueMap<String, String> received = new LinkedMultiValueMap<>();
+
+		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
+		public void receive(ConsumerRecord<String, String> record)
+		{
+			log.debug("Received message: {}", record);
+			received.add(record.key(), record.value());
+		}
+	}
+
+	@TestConfiguration
+	static class Configuration
+	{
+		@Bean
+		Consumer consumer()
+		{
+			return new Consumer();
+		}
+	}
+}