X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=62906b356a28ed38c826f8e8c1f9f68dbcb0047b;hb=536c9c5320e52101bda5e1931bc84c5e0e0137f2;hp=6c25bcd7808409744fc28b7e742c14d37c23efac;hpb=c4fd031abdae00bdbd934216579f0a38ddd46783;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 6c25bcd..62906b3 100644
--- a/src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/src/test/java/de/juplo/kafka/ApplicationTests.java
@@ -78,7 +78,11 @@ class ApplicationTests
 	@Order(1) // << The poistion pill is not skipped. Hence, this test must run first
 	void commitsCurrentOffsetsOnSuccess() throws ExecutionException, InterruptedException
 	{
-		send100Messages((key, counter) -> serialize(key, counter));
+		send100Messages((partition, key, counter) ->
+		{
+			Bytes value = serialize(key, counter);
+			return new ProducerRecord<>(TOPIC, partition, key, value);
+		});
 
 		await("100 records received")
 				.atMost(Duration.ofSeconds(30))
@@ -101,10 +105,13 @@ class ApplicationTests
 	@Order(2)
 	void commitsOffsetOfErrorForReprocessingOnError()
 	{
-		send100Messages((key, counter) ->
-				counter == 77
-						? new Bytes(stringSerializer.serialize(TOPIC, "BOOM!"))
-						: serialize(key, counter));
+		send100Messages((partition, key, counter) ->
+		{
+			Bytes value = counter == 77
+					? new Bytes(stringSerializer.serialize(TOPIC, "BOOM!"))
+					: serialize(key, counter);
+			return new ProducerRecord<>(TOPIC, partition, key, value);
+		});
 
 		await("Consumer failed")
 				.atMost(Duration.ofSeconds(30))
@@ -186,7 +193,12 @@ class ApplicationTests
 	}
 
 
-	void send100Messages(BiFunction<Integer, Long, Bytes> messageGenerator)
+	public interface RecordGenerator<K, V>
+	{
+		public ProducerRecord<String, Bytes> generate(int partition, String key, long counter);
+	}
+
+	void send100Messages(RecordGenerator recordGenerator)
 	{
 		long i = 0;
 
@@ -194,14 +206,8 @@ class ApplicationTests
 		{
 			for (int key = 0; key < 10; key++)
 			{
-				Bytes value = messageGenerator.apply(key, ++i);
-
 				ProducerRecord<String, Bytes> record =
-						new ProducerRecord<>(
-								TOPIC,
-								partition,
-								Integer.toString(key%2),
-								value);
+						recordGenerator.generate(partition, Integer.toString(partition*10+key%2), ++i);
 
 				record.headers().add("__TypeId__", "message".getBytes());
 				kafkaProducer.send(record, (metadata, e) ->
@@ -228,10 +234,10 @@ class ApplicationTests
 		}
 	}
 
-	Bytes serialize(Integer key, Long value)
+	Bytes serialize(String key, Long value)
 	{
 		ClientMessage message = new ClientMessage();
-		message.setClient(key.toString());
+		message.setClient(key);
 		message.setMessage(value.toString());
 		return new Bytes(valueSerializer.serialize(TOPIC, message));
 	}