X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10StreamProcessorTopologyTest.java;h=1becd654cc74ab107795a09ddd9f14e5f8fada6a;hb=9e0ee342b531e7cfcddfe2e34390807802725a14;hp=8ecf9fafb003db060c1f773ce7649f7a39a8e09a;hpb=21b1d0cffa0bfe47d7d78cef4e4dc23588d69a1b;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessorTopologyTest.java b/src/test/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessorTopologyTest.java
index 8ecf9fa..1becd65 100644
--- a/src/test/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessorTopologyTest.java
+++ b/src/test/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessorTopologyTest.java
@@ -5,6 +5,10 @@ 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;
@@ -25,13 +29,23 @@ import static org.springframework.kafka.support.mapping.AbstractJavaTypeMapper.K
 @Slf4j
 public class Top10StreamProcessorTopologyTest
 {
-  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";
+  public static final String STORE_NAME = "TOPOLOGY-TEST";
 
-  @Test
-  public void test()
+
+  TopologyTestDriver testDriver;
+  TestInputTopic<Key, Entry> in;
+  TestOutputTopic<User, Ranking> out;
+
+
+  @BeforeEach
+  public void setUp()
   {
-    Topology topology = Top10StreamProcessor.buildTopology(IN, OUT);
+    Topology topology = Top10StreamProcessor.buildTopology(
+        IN,
+        OUT,
+        Stores.inMemoryKeyValueStore(STORE_NAME));
 
     Top10ApplicationConfiguration applicationConfiguriation =
         new Top10ApplicationConfiguration();
@@ -44,25 +58,31 @@ public class Top10StreamProcessorTopologyTest
     JsonSerde<?> valueSerde = new JsonSerde<>();
     valueSerde.configure(propertyMap, false);
 
-    TopologyTestDriver testDriver = new TopologyTestDriver(topology, streamProcessorProperties);
+    testDriver = new TopologyTestDriver(topology, streamProcessorProperties);
 
-    TestInputTopic<Key, Entry> in = testDriver.createInputTopic(
+    in = testDriver.createInputTopic(
         IN,
         (JsonSerializer<Key>)keySerde.serializer(),
         (JsonSerializer<Entry>)valueSerde.serializer());
 
-    TestOutputTopic<String, Ranking> out = testDriver.createOutputTopic(
+    out = testDriver.createOutputTopic(
         OUT,
-        (JsonDeserializer<String>)keySerde.deserializer(),
+        (JsonDeserializer<User>)keySerde.deserializer(),
         (JsonDeserializer<Ranking>)valueSerde.deserializer());
 
+  }
+
+
+  @Test
+  public void test()
+  {
     Stream
         .of(TestData.INPUT_MESSAGES)
         .forEach(kv -> in.pipeInput(
             Key.of(kv.key.getUser(), kv.key.getWord()),
             Entry.of(kv.value.getWord(), kv.value.getCounter())));
 
-    MultiValueMap<String, Ranking> receivedMessages = new LinkedMultiValueMap<>();
+    MultiValueMap<User, Ranking> receivedMessages = new LinkedMultiValueMap<>();
     out
         .readRecordsToList()
         .forEach(record ->
@@ -78,6 +98,13 @@ public class Top10StreamProcessorTopologyTest
 
     TestData.assertExpectedMessages(receivedMessages);
 
+    KeyValueStore<User, Ranking> store = testDriver.getKeyValueStore(STORE_NAME);
+    TestData.assertExpectedState(store);
+  }
+
+  @AfterEach
+  public void tearDown()
+  {
     testDriver.close();
   }
 }