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.*;
import org.apache.kafka.common.utils.Bytes;
import org.junit.jupiter.api.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.Primary;
-import org.springframework.kafka.listener.MessageListenerContainer;
import org.springframework.kafka.support.serializer.JsonSerializer;
import org.springframework.kafka.test.context.EmbeddedKafka;
import org.springframework.test.context.TestPropertySource;
EndlessConsumer.class,
KafkaAutoConfiguration.class,
ApplicationTests.Configuration.class })
-@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
@TestPropertySource(
properties = {
"spring.kafka.consumer.bootstrap-servers=${spring.embedded.kafka.brokers}",
/** Tests methods */
@Test
- @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));
}
@Test
- @Order(2)
- void commitsCurrentOffsetsOnError()
+ void commitsCurrentOffsetsOnDeserializationError()
{
send100Messages((key, counter) ->
counter == 77
.isTrue();
}
+ @Test
+ void commitsOffsetOnProgramLogicErrorFoo()
+ {
+ recordHandler.testHandler = (record) ->
+ {
+ if (Integer.parseInt(record.value().message)%10 ==0)
+ throw new RuntimeException("BOOM: " + record.value().message + "%10 == 0");
+ };
+
+ send100Messages((key, counter) -> serialize(key, counter));
+
+ await("80 records received")
+ .atMost(Duration.ofSeconds(30))
+ .until(() -> receivedRecords.size() == 100);
+
+ await("Offsets committed")
+ .atMost(Duration.ofSeconds(10))
+ .untilAsserted(() ->
+ {
+ checkSeenOffsetsForProgress();
+ compareToCommitedOffsets(newOffsets);
+ });
+
+ assertThat(endlessConsumer.isRunning())
+ .describedAs("Consumer should still be running")
+ .isTrue();
+ }
+
/** Helper methods for the verification of expectations */
doForCurrentOffsets((tp, offset) ->
{
Long expected = offsetsToCheck.get(tp) + 1;
- log.debug("Checking, if the offset for {} is {}", tp, expected);
+ log.debug("TEST: Comparing the expected offset of {} for {} to {}", expected, tp, offset);
assertThat(offset)
.describedAs("Committed offset corresponds to the offset of the consumer")
.isEqualTo(expected);
Long newOffset = newOffsets.get(tp);
if (!oldOffset.equals(newOffset))
{
- log.debug("Progress for {}: {} -> {}", tp, oldOffset, newOffset);
+ log.debug("TEST: Progress for {}: {} -> {}", tp, oldOffset, newOffset);
withProgress.add(tp);
}
});
+ log.debug("TEST: Offsets with progress: {}", withProgress);
assertThat(withProgress)
.describedAs("Some offsets must have changed, compared to the old offset-positions")
.isNotEmpty();
if (metadata != null)
{
log.debug(
- "{}|{} - {}={}",
+ "TEST: Sending partition={}, offset={} - {}={}",
metadata.partition(),
metadata.offset(),
record.key(),
else
{
log.warn(
- "Exception for {}={}: {}",
+ "TEST: Exception for {}={}: {}",
record.key(),
record.value(),
e.toString());
record ->
{
receivedRecords.add(record);
+ log.debug("TEST: Processing record #{}: {}", receivedRecords.size(), record.value());
newOffsets.put(
new TopicPartition(record.topic(), record.partition()),
record.offset());
}
catch (Exception e)
{
- log.info("Exception while stopping the consumer: {}", e.toString());
+ log.info("TEST: Exception while stopping the consumer: {}", e.toString());
}
}