counter: 1.1.6 - Refactored the test-data into a separated class counter-1.1.6
authorKai Moritz <kai@juplo.de>
Mon, 13 Feb 2023 18:00:53 +0000 (19:00 +0100)
committerKai Moritz <kai@juplo.de>
Fri, 17 Feb 2023 16:31:38 +0000 (17:31 +0100)
pom.xml
src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
src/test/java/de/juplo/kafka/wordcount/counter/Message.java [new file with mode: 0644]
src/test/java/de/juplo/kafka/wordcount/counter/TestData.java [new file with mode: 0644]

diff --git a/pom.xml b/pom.xml
index 9231396..09e7aec 100644 (file)
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
        </parent>
        <groupId>de.juplo.kafka.wordcount</groupId>
        <artifactId>counter</artifactId>
-       <version>1.1.5</version>
+       <version>1.1.6</version>
        <name>Wordcount-Counter</name>
        <description>Word-counting stream-processor of the multi-user wordcount-example</description>
        <properties>
index fd92000..75f0988 100644 (file)
@@ -1,9 +1,7 @@
 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.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
@@ -18,13 +16,12 @@ import org.springframework.context.annotation.Primary;
 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 java.util.LinkedList;
+import java.util.List;
 
 import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.*;
-import static org.assertj.core.api.Assertions.assertThat;
 import static org.awaitility.Awaitility.*;
 
 
@@ -60,95 +57,36 @@ public class CounterApplicationIT
 
 
        @Test
-       void testSendMessage() throws Exception
+       void testSendMessage()
        {
-               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");
+               TestData.writeInputData((key, value) -> kafkaTemplate.send(TOPIC_IN, key, value));
 
                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);
-                               });
+                               .untilAsserted(() -> TestData.assertExpectedResult(consumer.received, mapper));
        }
 
 
        @RequiredArgsConstructor
        static class Consumer
        {
-               private final MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
-               private final ObjectMapper mapper;
+               private final List<Message> received = new LinkedList<>();
 
                @KafkaListener(groupId = "TEST", topics = TOPIC_OUT)
-               public void receive(ConsumerRecord<String, String> record) throws JsonProcessingException
+               public void receive(ConsumerRecord<String, String> record)
                {
                        log.debug("Received message: {}", record);
-                       Key key = mapper.readValue(record.key(), Key.class);
-                       received.add(key.getUsername(), Message.of(record.key(),record.value()));
+                       received.add(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)
+               Consumer consumer()
                {
-                       return new Consumer(mapper);
+                       return new Consumer();
                }
 
                @Primary
diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/Message.java b/src/test/java/de/juplo/kafka/wordcount/counter/Message.java
new file mode 100644 (file)
index 0000000..8ed7cc5
--- /dev/null
@@ -0,0 +1,11 @@
+package de.juplo.kafka.wordcount.counter;
+
+import lombok.Value;
+
+
+@Value(staticConstructor = "of")
+public class Message
+{
+  String key;
+  String value;
+}
diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
new file mode 100644 (file)
index 0000000..4b5482b
--- /dev/null
@@ -0,0 +1,109 @@
+package de.juplo.kafka.wordcount.counter;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+
+import java.util.List;
+import java.util.function.BiConsumer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+class TestData
+{
+       static void writeInputData(BiConsumer<String, String> consumer)
+       {
+               consumer.accept(
+                               "peter",
+                               "Hallo");
+               consumer.accept(
+                               "klaus",
+                               "Müsch");
+               consumer.accept(
+                               "peter",
+                               "Welt");
+               consumer.accept(
+                               "klaus",
+                               "Müsch");
+               consumer.accept(
+                               "klaus",
+                               "s");
+               consumer.accept(
+                               "peter",
+                               "Boäh");
+               consumer.accept(
+                               "peter",
+                               "Welt");
+               consumer.accept(
+                               "peter",
+                               "Boäh");
+               consumer.accept(
+                               "klaus",
+                               "s");
+               consumer.accept(
+                               "peter",
+                               "Boäh");
+               consumer.accept(
+                               "klaus",
+                               "s");
+       }
+
+       static void assertExpectedResult(List<Message> receivedMessages, ObjectMapper mapper)
+       {
+               MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
+
+               receivedMessages.forEach(message ->
+               {
+                       try
+                       {
+                               Key key = mapper.readValue(message.getKey(), Key.class);
+                               received.add(key.getUsername(), message);
+                       }
+                       catch (JsonProcessingException e)
+                       {
+                               throw new RuntimeException(e);
+                       }
+               });
+
+               assertThat(received).hasSize(2);
+               assertThat(received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4, klaus5);
+               assertThat(received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6);
+       }
+
+       static Message peter1 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Hallo\"}",
+                       "1");
+       static Message peter2 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Welt\"}",
+                       "1");
+       static Message peter3 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
+                       "1");
+       static Message peter4 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Welt\"}",
+                       "2");
+       static Message peter5 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
+                       "2");
+       static Message peter6 = Message.of(
+                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
+                       "3");
+
+       static Message klaus1 = Message.of(
+                       "{\"username\":\"klaus\",\"word\":\"Müsch\"}",
+                       "1");
+       static Message klaus2 = Message.of(
+                       "{\"username\":\"klaus\",\"word\":\"Müsch\"}",
+                       "2");
+       static Message klaus3 = Message.of(
+                       "{\"username\":\"klaus\",\"word\":\"s\"}",
+                       "1");
+       static Message klaus4 = Message.of(
+                       "{\"username\":\"klaus\",\"word\":\"s\"}",
+                       "2");
+       static Message klaus5 = Message.of(
+                       "{\"username\":\"klaus\",\"word\":\"s\"}",
+                       "3");
+}