X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterApplicationIT.java;fp=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterApplicationIT.java;h=aad79b89e82b77393b813712fdefe850596f65b9;hb=8a56919f493faa0acc6eb939b9c78312a1418efa;hp=0000000000000000000000000000000000000000;hpb=9856b2a34d6e2bda771b83d2825c1db8e2a6916f;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
new file mode 100644
index 0000000..aad79b8
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+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
@@ -0,0 +1,149 @@
+package de.juplo.kafka.wordcount.counter;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.Value;
+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.counter.CounterApplicationIT.*;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.awaitility.Awaitility.*;
+
+
+@SpringBootTest(
+		properties = {
+				"spring.kafka.bootstrap-servers=${spring.embedded.kafka.brokers}",
+				"juplo.wordcount.counter.bootstrap-server=${spring.embedded.kafka.brokers}",
+				"juplo.wordcount.counter.input-topic=" + TOPIC_IN,
+				"juplo.wordcount.counter.output-topic=" + TOPIC_OUT })
+@EmbeddedKafka(topics = { TOPIC_IN, TOPIC_OUT }, partitions = PARTITIONS)
+@Slf4j
+public class CounterApplicationIT
+{
+	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
+	{
+		kafkaTemplate.send(TOPIC_IN, "peter", "Hallo");
+		kafkaTemplate.send(TOPIC_IN, "klaus", "Müsch");
+		kafkaTemplate.send(TOPIC_IN, "peter", "Welt");
+		kafkaTemplate.send(TOPIC_IN, "klaus", "Müsch");
+		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
+		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
+		kafkaTemplate.send(TOPIC_IN, "peter", "Welt");
+		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
+		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
+		kafkaTemplate.send(TOPIC_IN, "peter", "Boäh");
+		kafkaTemplate.send(TOPIC_IN, "klaus", "s");
+
+		Message peter1 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Hallo\"}",
+				"1");
+		Message peter2 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Welt\"}",
+				"1");
+		Message peter3 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
+				"1");
+		Message peter4 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Welt\"}",
+				"2");
+		Message peter5 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
+				"2");
+		Message peter6 = Message.of(
+				"{\"username\":\"peter\",\"word\":\"Boäh\"}",
+				"3");
+
+		Message klaus1 = Message.of(
+				"{\"username\":\"klaus\",\"word\":\"Müsch\"}",
+				"1");
+		Message klaus2 = Message.of(
+				"{\"username\":\"klaus\",\"word\":\"Müsch\"}",
+				"2");
+		Message klaus3 = Message.of(
+				"{\"username\":\"klaus\",\"word\":\"s\"}",
+				"1");
+		Message klaus4 = Message.of(
+				"{\"username\":\"klaus\",\"word\":\"s\"}",
+				"2");
+		Message klaus5 = Message.of(
+				"{\"username\":\"klaus\",\"word\":\"s\"}",
+				"3");
+
+		await("Expexted converted data")
+				.atMost(Duration.ofSeconds(10))
+				.untilAsserted(() ->
+				{
+					assertThat(consumer.received).hasSize(2);
+					assertThat(consumer.received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4, klaus5);
+					assertThat(consumer.received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6);
+				});
+	}
+
+
+	@RequiredArgsConstructor
+	static class Consumer
+	{
+		private final MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
+		private final ObjectMapper mapper;
+
+		@KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
+		public void receive(ConsumerRecord<String, String> record) throws JsonProcessingException
+		{
+			log.debug("Received message: {}", record);
+			Key key = mapper.readValue(record.key(), Key.class);
+			received.add(key.getUsername(), Message.of(record.key(),record.value()));
+		}
+	}
+
+	@Value(staticConstructor = "of")
+	static class Message
+	{
+		String key;
+		String value;
+	}
+
+	@TestConfiguration
+	static class Configuration
+	{
+		@Bean
+		Consumer consumer(ObjectMapper mapper)
+		{
+			return new Consumer(mapper);
+		}
+	}
+}