counter: 1.2.15 - Inlined the asserting ``Consumer``s

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

diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
index 2f1e0c3..9995ce7 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/CounterApplicationIT.java
@@ -6,7 +6,8 @@ import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.Stores;
-import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -16,6 +17,7 @@ import org.springframework.context.annotation.Primary;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.kafka.support.SendResult;
 import org.springframework.kafka.test.context.EmbeddedKafka;
 import org.springframework.messaging.handler.annotation.Header;
 import org.springframework.messaging.handler.annotation.Payload;
@@ -26,6 +28,7 @@ import java.time.Duration;
 
 import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.TOPIC_IN;
 import static de.juplo.kafka.wordcount.counter.CounterApplicationIT.TOPIC_OUT;
+import static de.juplo.kafka.wordcount.counter.CounterStreamProcessor.STORE_NAME;
 import static org.awaitility.Awaitility.await;
 
 
@@ -51,29 +54,74 @@ public class CounterApplicationIT
        public static final String TOPIC_IN = "in";
        public static final String TOPIC_OUT = "out";
 
-       @Autowired
-       KafkaTemplate<String, TestInputWord> kafkaTemplate;
        @Autowired
        Consumer consumer;
+       @Autowired
+       CounterStreamProcessor streamProcessor;
 
 
-       @BeforeEach
-       public void clear()
+       @BeforeAll
+       public static void testSendMessage(
+                       @Autowired KafkaTemplate<String, TestInputWord> kafkaTemplate)
        {
-               consumer.received.clear();
+               TestData
+                               .getInputMessages()
+                               .forEach(kv ->
+                               {
+                                       try
+                                       {
+                                               SendResult<String, TestInputWord> result = kafkaTemplate.send(TOPIC_IN, kv.key, kv.value).get();
+                                               log.info(
+                                                               "Sent: {}={}, partition={}, offset={}",
+                                                               result.getProducerRecord().key(),
+                                                               result.getProducerRecord().value(),
+                                                               result.getRecordMetadata().partition(),
+                                                               result.getRecordMetadata().offset());
+                                       }
+                                       catch (Exception e)
+                                       {
+                                               throw new RuntimeException(e);
+                                       }
+                               });
        }
 
+       @DisplayName("Await the expected number of messages")
+       @Test
+       public void testAwaitExpectedNumberOfMessagesForUsers()
+       {
+               await("Expected number of messages")
+                               .atMost(Duration.ofSeconds(5))
+                               .untilAsserted(() -> consumer.enforceAssertion(
+                                               receivedMessages -> TestData.assertExpectedNumberOfMessagesForWord(receivedMessages)));
+       }
 
+       @DisplayName("Await the expected output messages")
        @Test
        void testSendMessage()
        {
-               TestData
-                               .getInputMessages()
-                               .forEach(kv -> kafkaTemplate.send(TOPIC_IN, kv.key, kv.value));
-
                await("Expected messages")
                                .atMost(Duration.ofSeconds(10))
-                               .untilAsserted(() -> TestData.assertExpectedMessages(consumer.getReceivedMessages()));
+                               .untilAsserted(() -> consumer.enforceAssertion(
+                                               receivedMessages -> TestData.assertExpectedMessages(receivedMessages)));
+       }
+
+       @DisplayName("Await the expected final output messages")
+       @Test
+       public void testAwaitExpectedLastMessagesForUsers()
+       {
+               await("Expected final output messages")
+                               .atMost(Duration.ofSeconds(5))
+                               .untilAsserted(() -> consumer.enforceAssertion(
+                                               receivedMessages -> TestData.assertExpectedLastMessagesForWord(receivedMessages)));
+       }
+
+       @DisplayName("Await the expected state in the state-store")
+       @Test
+       public void testAwaitExpectedState()
+       {
+               await("Expected state")
+                               .atMost(Duration.ofSeconds(5))
+                               .untilAsserted(() -> TestData.assertExpectedState(streamProcessor.getStore()));
        }
 
 
@@ -90,9 +138,10 @@ public class CounterApplicationIT
                        received.add(word, counter);
                }
 
-               synchronized MultiValueMap<TestOutputWord, TestOutputWordCounter> getReceivedMessages()
+               synchronized void enforceAssertion(
+                               java.util.function.Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> assertion)
                {
-                       return received;
+                       assertion.accept(received);
                }
        }
 
@@ -109,7 +158,7 @@ public class CounterApplicationIT
                @Bean
                KeyValueBytesStoreSupplier inMemoryStoreSupplier()
                {
-                       return Stores.inMemoryKeyValueStore("TEST-STORE");
+                       return Stores.inMemoryKeyValueStore(STORE_NAME);
                }
        }
 }