X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterStreamProcessorTopologyTest.java;h=06a0798198493851127b02bd88b1bec49632c2ca;hb=29899898af28dcbb50326ae5837ada195829c592;hp=8e09d0c6ff9bacaca359bf1ecf91600aec4c10dd;hpb=48dabf093db63d517252f47b15f597e80852e9d4;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java b/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
index 8e09d0c..06a0798 100644
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
@@ -1,40 +1,41 @@
 package de.juplo.kafka.wordcount.counter;
 
+import de.juplo.kafka.wordcount.splitter.TestInputUser;
+import de.juplo.kafka.wordcount.splitter.TestInputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.streams.TestInputTopic;
 import org.apache.kafka.streams.TestOutputTopic;
 import org.apache.kafka.streams.Topology;
 import org.apache.kafka.streams.TopologyTestDriver;
+import org.apache.kafka.streams.state.KeyValueStore;
 import org.apache.kafka.streams.state.Stores;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.kafka.support.serializer.JsonDeserializer;
-import org.springframework.kafka.support.serializer.JsonSerde;
 import org.springframework.kafka.support.serializer.JsonSerializer;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
 import java.util.Map;
-import java.util.Properties;
-import java.util.stream.Stream;
+import java.util.stream.Collectors;
 
-import static de.juplo.kafka.wordcount.counter.TestData.convertToMap;
-import static de.juplo.kafka.wordcount.counter.TestData.parseHeader;
-import static org.springframework.kafka.support.mapping.AbstractJavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME;
-import static org.springframework.kafka.support.mapping.AbstractJavaTypeMapper.KEY_DEFAULT_CLASSID_FIELD_NAME;
+import static de.juplo.kafka.wordcount.counter.CounterApplicationConfiguriation.serializationConfig;
+import static de.juplo.kafka.wordcount.counter.CounterStreamProcessor.STORE_NAME;
 
 
 @Slf4j
 public class CounterStreamProcessorTopologyTest
 {
-  public final static String IN = "TEST-IN";
-  public final static String OUT = "TEST-OUT";
+  public static final String IN = "TEST-IN";
+  public static final String OUT = "TEST-OUT";
 
 
   TopologyTestDriver testDriver;
-  TestInputTopic<String, Word> in;
-  TestOutputTopic<Word, WordCounter> out;
+  TestInputTopic<TestInputUser, TestInputWord> in;
+  TestOutputTopic<TestOutputWord, TestOutputWordCounter> out;
 
 
   @BeforeEach
@@ -43,55 +44,34 @@ public class CounterStreamProcessorTopologyTest
     Topology topology = CounterStreamProcessor.buildTopology(
         IN,
         OUT,
-        Stores.inMemoryKeyValueStore("TOPOLOGY-TEST"));
+        Stores.inMemoryKeyValueStore(STORE_NAME));
 
-    CounterApplicationConfiguriation applicationConfiguriation =
-        new CounterApplicationConfiguriation();
-    Properties streamProcessorProperties =
-        applicationConfiguriation.streamProcessorProperties(new CounterApplicationProperties());
-    Map<String, Object> propertyMap = convertToMap(streamProcessorProperties);
+    testDriver = new TopologyTestDriver(topology, serializationConfig());
 
-    JsonSerde<?> keySerde = new JsonSerde<>();
-    keySerde.configure(propertyMap, true);
-    JsonSerde<?> valueSerde = new JsonSerde<>();
-    valueSerde.configure(propertyMap, false);
-
-    testDriver = new TopologyTestDriver(topology, streamProcessorProperties);
-
-    in = testDriver.createInputTopic(
-        IN,
-        (JsonSerializer<String>)keySerde.serializer(),
-        (JsonSerializer<Word>)valueSerde.serializer());
-
-    out = testDriver.createOutputTopic(
-        OUT,
-        (JsonDeserializer<Word>)keySerde.deserializer(),
-        (JsonDeserializer<WordCounter>)valueSerde.deserializer());
+    in = testDriver.createInputTopic(IN, serializer(), serializer());
+    out = testDriver.createOutputTopic(OUT, keyDeserializer(), valueDeserializer());
   }
 
 
   @Test
   public void test()
   {
-    Stream
-        .of(TestData.INPUT_MESSAGES)
-        .forEach(word -> in.pipeInput(word.getUser(), word));
+    TestData
+        .getInputMessages()
+        .forEach(kv -> in.pipeInput(kv.key, kv.value));
 
-    MultiValueMap<Word, WordCounter> receivedMessages = new LinkedMultiValueMap<>();
+    MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages = new LinkedMultiValueMap<>();
     out
         .readRecordsToList()
-        .forEach(record ->
-        {
-          log.debug(
-              "OUT: {} -> {}, {}, {}",
-              record.key(),
-              record.value(),
-              parseHeader(record.headers(), KEY_DEFAULT_CLASSID_FIELD_NAME),
-              parseHeader(record.headers(), DEFAULT_CLASSID_FIELD_NAME));
-          receivedMessages.add(record.key(), record.value());
-        });
+        .forEach(record -> receivedMessages.add(record.key(), record.value()));
 
     TestData.assertExpectedMessages(receivedMessages);
+
+    TestData.assertExpectedNumberOfMessagesForWord(receivedMessages);
+    TestData.assertExpectedLastMessagesForWord(receivedMessages);
+
+    KeyValueStore<Word, Long> store = testDriver.getKeyValueStore(STORE_NAME);
+    TestData.assertExpectedState(store);
   }
 
   @AfterEach
@@ -99,4 +79,45 @@ public class CounterStreamProcessorTopologyTest
   {
     testDriver.close();
   }
+
+
+  private static JsonSerializer serializer()
+  {
+    return new JsonSerializer().noTypeInfo();
+  }
+
+  private JsonDeserializer<TestOutputWord> keyDeserializer()
+  {
+    return deserializer(true);
+  }
+
+  private static JsonDeserializer<TestOutputWordCounter> valueDeserializer()
+  {
+    return deserializer(false);
+  }
+
+  private static <T> JsonDeserializer<T> deserializer(boolean isKey)
+  {
+    JsonDeserializer<T> deserializer = new JsonDeserializer<>();
+    deserializer.configure(
+        Map.of(JsonDeserializer.TYPE_MAPPINGS, typeMappingsConfig()),
+        isKey);
+    return deserializer;
+  }
+
+  private static String typeMappingsConfig()
+  {
+    return typeMappings()
+        .entrySet()
+        .stream()
+        .map(entry -> entry.getKey() + ":" + entry.getValue().getName())
+        .collect(Collectors.joining(","));
+  }
+
+  private static Map<String, Class> typeMappings()
+  {
+    return Map.of(
+        "word", TestOutputWord.class,
+        "counter", TestOutputWordCounter.class);
+  }
 }