counter: 1.3.1 - Cleand code/setup for tests

[demos/kafka/wordcount] / src / test / java / de / juplo / kafka / wordcount / counter / CounterStreamProcessorTopologyTest.java

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 e5964dc..9c86c6c 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
@@ -1,14 +1,15 @@
 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.common.serialization.StringSerializer;
 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;
@@ -19,20 +20,18 @@ import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
 import static de.juplo.kafka.wordcount.counter.CounterApplicationConfiguriation.serializationConfig;
-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.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, TestInputWord> in;
+  TestInputTopic<TestInputUser, TestInputWord> in;
   TestOutputTopic<TestOutputWord, TestOutputWordCounter> out;
 
 
@@ -42,23 +41,19 @@ public class CounterStreamProcessorTopologyTest
     Topology topology = CounterStreamProcessor.buildTopology(
         IN,
         OUT,
-        Stores.inMemoryKeyValueStore("TOPOLOGY-TEST"));
+        Stores.inMemoryKeyValueStore(STORE_NAME));
 
     testDriver = new TopologyTestDriver(topology, serializationConfig());
 
     in = testDriver.createInputTopic(
         IN,
-        new StringSerializer(),
+        new JsonSerializer().noTypeInfo(),
         new JsonSerializer().noTypeInfo());
 
     out = testDriver.createOutputTopic(
         OUT,
-        new JsonDeserializer()
-            .copyWithType(TestOutputWord.class)
-            .ignoreTypeHeaders(),
-        new JsonDeserializer()
-            .copyWithType(TestOutputWordCounter.class)
-            .ignoreTypeHeaders());
+        new JsonDeserializer(TestOutputWord.class).ignoreTypeHeaders(),
+        new JsonDeserializer(TestOutputWordCounter.class).ignoreTypeHeaders());
   }
 
 
@@ -67,23 +62,20 @@ public class CounterStreamProcessorTopologyTest
   {
     TestData
         .getInputMessages()
-        .forEach(word -> in.pipeInput(word.getUser(), word));
+        .forEach(kv -> in.pipeInput(kv.key, kv.value));
 
     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