X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;fp=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=26a34e406639f652c53878dcd8db12d7174598fd;hb=c446512ec3bfa29e5e8482074cb6daf7e2ee1b2f;hp=05eebd0417f660e9ef3773e6de759dece1922037;hpb=ee7e93b30bcee5b709ffc1631a2b0196a8194c5a;p=demos%2Fkafka%2Ftraining

diff --git a/src/test/java/de/juplo/kafka/ApplicationTests.java b/src/test/java/de/juplo/kafka/ApplicationTests.java
index 05eebd0..26a34e4 100644
--- a/src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/src/test/java/de/juplo/kafka/ApplicationTests.java
@@ -25,7 +25,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
-import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
@@ -40,7 +39,8 @@ import static org.awaitility.Awaitility.*;
 @TestPropertySource(
 		properties = {
 				"consumer.bootstrap-server=${spring.embedded.kafka.brokers}",
-				"consumer.topic=" + TOPIC })
+				"consumer.topic=" + TOPIC,
+				"consumer.commit-interval=100ms" })
 @EmbeddedKafka(topics = TOPIC, partitions = PARTITIONS)
 @Slf4j
 class ApplicationTests
@@ -74,7 +74,6 @@ class ApplicationTests
 	/** Tests methods */
 
 	@Test
-	@Order(1) // << The poistion pill is not skipped. Hence, this test must run first
 	void commitsCurrentOffsetsOnSuccess() throws ExecutionException, InterruptedException
 	{
 		send100Messages((partition, key, counter) ->
@@ -101,8 +100,7 @@ class ApplicationTests
 	}
 
 	@Test
-	@Order(2)
-	void commitsOffsetOfErrorForReprocessingOnError()
+	void commitsOffsetOfErrorForReprocessingOnDeserializationError()
 	{
 		send100Messages((partition, key, counter) ->
 		{
@@ -159,8 +157,8 @@ class ApplicationTests
 		Set<TopicPartition> withProgress = new HashSet<>();
 		partitions().forEach(tp ->
 		{
-			Long oldOffset = oldOffsets.get(tp);
-			Long newOffset = newOffsets.get(tp);
+			Long oldOffset = oldOffsets.get(tp) + 1;
+			Long newOffset = newOffsets.get(tp) + 1;
 			if (!oldOffset.equals(newOffset))
 			{
 				log.debug("Progress for {}: {} -> {}", tp, oldOffset, newOffset);
@@ -175,6 +173,21 @@ class ApplicationTests
 
 	/** Helper methods for setting up and running the tests */
 
+	void seekToEnd()
+	{
+		offsetConsumer.assign(partitions());
+		offsetConsumer.seekToEnd(partitions());
+		partitions().forEach(tp ->
+		{
+			// seekToEnd() works lazily: it only takes effect on poll()/position()
+			Long offset = offsetConsumer.position(tp);
+			log.info("New position for {}: {}", tp, offset);
+		});
+		// The new positions must be commited!
+		offsetConsumer.commitSync();
+		offsetConsumer.unsubscribe();
+	}
+
 	void doForCurrentOffsets(BiConsumer<TopicPartition, Long> consumer)
 	{
 		offsetConsumer.assign(partitions());
@@ -238,6 +251,8 @@ class ApplicationTests
 	{
 		testHandler = record -> {} ;
 
+		seekToEnd();
+
 		oldOffsets = new HashMap<>();
 		newOffsets = new HashMap<>();
 		receivedRecords = new HashSet<>();