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;
@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;
Topology topology = CounterStreamProcessor.buildTopology(
IN,
OUT,
- Stores.inMemoryKeyValueStore("TOPOLOGY-TEST"));
+ Stores.inMemoryKeyValueStore(STORE_NAME));
testDriver = new TopologyTestDriver(topology, serializationConfig());
{
TestData
.getInputMessages()
- .forEach(word -> in.pipeInput(word.getUser(), word));
+ .forEach(kv -> in.pipeInput(kv.key, kv.value));
MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages = new LinkedMultiValueMap<>();
out
.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