X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=35d13cdda9ecb9749edbaeb6be8fc905fbe30c45;hb=9d3fa83eb656617162d54a14e1bfcb330fa4ee3a;hp=994d6572c73744cc5e6bbf3b003aa21d0f5f81c6;hpb=fb966920f18413076a28876ffcd125c84f9a6f06;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 994d657..35d13cd 100644
--- a/src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/src/test/java/de/juplo/kafka/ApplicationTests.java
@@ -6,6 +6,7 @@ import org.apache.kafka.clients.consumer.KafkaConsumer;
 import org.apache.kafka.clients.producer.KafkaProducer;
 import org.apache.kafka.clients.producer.ProducerRecord;
 import org.apache.kafka.common.TopicPartition;
+import org.apache.kafka.common.errors.RecordDeserializationException;
 import org.apache.kafka.common.serialization.BytesDeserializer;
 import org.apache.kafka.common.serialization.BytesSerializer;
 import org.apache.kafka.common.serialization.LongSerializer;
@@ -35,6 +36,8 @@ import static de.juplo.kafka.ApplicationTests.PARTITIONS;
 import static de.juplo.kafka.ApplicationTests.TOPIC;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.awaitility.Awaitility.*;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 
 @SpringJUnitConfig(initializers = ConfigDataApplicationContextInitializer.class)
@@ -69,6 +72,7 @@ class ApplicationTests
 	EndlessConsumer<String, Long> endlessConsumer;
 	Map<TopicPartition, Long> oldOffsets;
 	Map<TopicPartition, Long> newOffsets;
+	Set<ConsumerRecord<String, Long>> receivedRecords;
 
 
 	/** Tests methods */
@@ -79,12 +83,9 @@ class ApplicationTests
 	{
 		send100Messages(i ->  new Bytes(longSerializer.serialize(TOPIC, i)));
 
-		Set<ConsumerRecord<String, Long>> received = new HashSet<>();
-		testHandler = record -> received.add(record);
-
 		await("100 records received")
 				.atMost(Duration.ofSeconds(30))
-				.until(() -> received.size() >= 100);
+				.until(() -> receivedRecords.size() >= 100);
 
 		await("Offsets committed")
 				.atMost(Duration.ofSeconds(10))
@@ -93,6 +94,11 @@ class ApplicationTests
 					checkSeenOffsetsForProgress();
 					compareToCommitedOffsets(newOffsets);
 				});
+
+		assertThrows(
+				IllegalStateException.class,
+				() -> endlessConsumer.exitStatus(),
+				"Consumer should still be running");
 	}
 
 	@Test
@@ -110,6 +116,24 @@ class ApplicationTests
 
 		checkSeenOffsetsForProgress();
 		compareToCommitedOffsets(newOffsets);
+
+		endlessConsumer.start();
+		await("Consumer failed")
+				.atMost(Duration.ofSeconds(30))
+				.until(() -> !endlessConsumer.running());
+
+		checkSeenOffsetsForProgress();
+		compareToCommitedOffsets(newOffsets);
+		assertThat(receivedRecords.size())
+				.describedAs("Received not all sent events")
+				.isLessThan(100);
+
+		assertDoesNotThrow(
+				() -> endlessConsumer.exitStatus(),
+				"Consumer should not be running");
+		assertThat(endlessConsumer.exitStatus())
+				.describedAs("Consumer should have exited abnormally")
+				.containsInstanceOf(RecordDeserializationException.class);
 	}
 
 
@@ -121,7 +145,9 @@ class ApplicationTests
 		{
 			Long expected = offsetsToCheck.get(tp) + 1;
 			log.debug("Checking, if the offset for {} is {}", tp, expected);
-			assertThat(offset).isEqualTo(expected);
+			assertThat(offset)
+					.describedAs("Committed offset corresponds to the offset of the consumer")
+					.isEqualTo(expected);
 		});
 	}
 
@@ -139,7 +165,9 @@ class ApplicationTests
 				withProgress.add(tp);
 			}
 		});
-		assertThat(withProgress).isNotEmpty().describedAs("Found no partitions with any offset-progress");
+		assertThat(withProgress)
+				.describedAs("Some offsets must have changed, compared to the old offset-positions")
+				.isNotEmpty();
 	}
 
 
@@ -211,6 +239,7 @@ class ApplicationTests
 
 		oldOffsets = new HashMap<>();
 		newOffsets = new HashMap<>();
+		receivedRecords = new HashSet<>();
 
 		doForCurrentOffsets((tp, offset) ->
 		{
@@ -224,6 +253,7 @@ class ApplicationTests
 					newOffsets.put(
 							new TopicPartition(record.topic(), record.partition()),
 							record.offset());
+					receivedRecords.add(record);
 					testHandler.accept(record);
 				};