counter: 1.2.15 - Added assertion for the expected state

[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 4b67052..6e244e2 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessorTopologyTest.java
@@ -9,6 +9,7 @@ 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;
@@ -24,8 +25,9 @@ import static de.juplo.kafka.wordcount.counter.CounterApplicationConfiguriation.
 @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";
+  public static final String STORE_NAME = "TOPOLOGY-TEST";
 
 
   TopologyTestDriver testDriver;
@@ -39,7 +41,7 @@ public class CounterStreamProcessorTopologyTest
     Topology topology = CounterStreamProcessor.buildTopology(
         IN,
         OUT,
-        Stores.inMemoryKeyValueStore("TOPOLOGY-TEST"));
+        Stores.inMemoryKeyValueStore(STORE_NAME));
 
     testDriver = new TopologyTestDriver(topology, serializationConfig());
 
@@ -75,6 +77,9 @@ public class CounterStreamProcessorTopologyTest
 
     TestData.assertExpectedNumberOfMessagesForWord(receivedMessages);
     TestData.assertExpectedLastMessagesForWord(receivedMessages);
+
+    KeyValueStore<Word, Long> store = testDriver.getKeyValueStore(STORE_NAME);
+    TestData.assertExpectedState(store);
   }
 
   @AfterEach