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Springify: Merge der Umstellung des Payloads auf JSON
[demos/kafka/training]
/
src
/
test
/
java
/
de
/
juplo
/
kafka
/
ApplicationTests.java
diff --git
a/src/test/java/de/juplo/kafka/ApplicationTests.java
b/src/test/java/de/juplo/kafka/ApplicationTests.java
index
4cc4f91
..
ee8e8c4
100644
(file)
--- a/
src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/
src/test/java/de/juplo/kafka/ApplicationTests.java
@@
-6,17
+6,18
@@
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.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.TopicPartition;
-import org.apache.kafka.common.serialization.BytesDeserializer;
-import org.apache.kafka.common.serialization.BytesSerializer;
-import org.apache.kafka.common.serialization.LongSerializer;
-import org.apache.kafka.common.serialization.StringSerializer;
+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.beans.factory.annotation.Autowired;
import org.apache.kafka.common.utils.Bytes;
import org.junit.jupiter.api.*;
import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration;
import org.springframework.boot.test.context.ConfigDataApplicationContextInitializer;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
import org.springframework.boot.test.context.ConfigDataApplicationContextInitializer;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Import;
+import org.springframework.context.annotation.Primary;
+import org.springframework.kafka.support.serializer.JsonSerializer;
import org.springframework.kafka.test.context.EmbeddedKafka;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import org.springframework.kafka.test.context.EmbeddedKafka;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
@@
-24,20
+25,24
@@
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import java.time.Duration;
import java.util.*;
import java.util.concurrent.ExecutionException;
import java.time.Duration;
import java.util.*;
import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
import java.util.function.BiConsumer;
import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Consumer;
-import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static de.juplo.kafka.ApplicationTests.PARTITIONS;
import static de.juplo.kafka.ApplicationTests.TOPIC;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
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.assertj.core.api.Assertions.
*
;
import static org.awaitility.Awaitility.*;
import static org.awaitility.Awaitility.*;
-@SpringJUnitConfig(initializers = ConfigDataApplicationContextInitializer.class)
+@SpringJUnitConfig(
+ initializers = ConfigDataApplicationContextInitializer.class,
+ classes = {
+ EndlessConsumer.class,
+ KafkaAutoConfiguration.class,
+ ApplicationTests.Configuration.class })
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
@TestPropertySource(
properties = {
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
@TestPropertySource(
properties = {
@@
-52,24
+57,25
@@
class ApplicationTests
StringSerializer stringSerializer = new StringSerializer();
StringSerializer stringSerializer = new StringSerializer();
- LongSerializer longSerializer = new LongSerializer();
+ @Autowired
+ Serializer valueSerializer;
@Autowired
KafkaProducer<String, Bytes> kafkaProducer;
@Autowired
@Autowired
KafkaProducer<String, Bytes> kafkaProducer;
@Autowired
- KafkaConsumer<String,
Long
> kafkaConsumer;
+ KafkaConsumer<String,
ClientMessage
> kafkaConsumer;
@Autowired
KafkaConsumer<Bytes, Bytes> offsetConsumer;
@Autowired
ApplicationProperties properties;
@Autowired
@Autowired
KafkaConsumer<Bytes, Bytes> offsetConsumer;
@Autowired
ApplicationProperties properties;
@Autowired
- ExecutorService executor;
+ EndlessConsumer endlessConsumer;
+ @Autowired
+ RecordHandler recordHandler;
- Consumer<ConsumerRecord<String, Long>> testHandler;
- EndlessConsumer<String, Long> endlessConsumer;
Map<TopicPartition, Long> oldOffsets;
Map<TopicPartition, Long> newOffsets;
Map<TopicPartition, Long> oldOffsets;
Map<TopicPartition, Long> newOffsets;
- Set<ConsumerRecord<String,
Long
>> receivedRecords;
+ Set<ConsumerRecord<String,
ClientMessage
>> receivedRecords;
/** Tests methods */
/** Tests methods */
@@
-78,7
+84,7
@@
class ApplicationTests
@Order(1) // << The poistion pill is not skipped. Hence, this test must run first
void commitsCurrentOffsetsOnSuccess() throws ExecutionException, InterruptedException
{
@Order(1) // << The poistion pill is not skipped. Hence, this test must run first
void commitsCurrentOffsetsOnSuccess() throws ExecutionException, InterruptedException
{
- send100Messages(
i -> new Bytes(longSerializer.serialize(TOPIC, i)
));
+ send100Messages(
(key, counter) -> serialize(key, counter
));
await("100 records received")
.atMost(Duration.ofSeconds(30))
await("100 records received")
.atMost(Duration.ofSeconds(30))
@@
-91,34
+97,36
@@
class ApplicationTests
checkSeenOffsetsForProgress();
compareToCommitedOffsets(newOffsets);
});
checkSeenOffsetsForProgress();
compareToCommitedOffsets(newOffsets);
});
+
+ assertThatExceptionOfType(IllegalStateException.class)
+ .isThrownBy(() -> endlessConsumer.exitStatus())
+ .describedAs("Consumer should still be running");
}
@Test
@Order(2)
void commitsOffsetOfErrorForReprocessingOnError()
{
}
@Test
@Order(2)
void commitsOffsetOfErrorForReprocessingOnError()
{
- send100Messages(
counter
->
+ send100Messages(
(key, counter)
->
counter == 77
? new Bytes(stringSerializer.serialize(TOPIC, "BOOM!"))
counter == 77
? new Bytes(stringSerializer.serialize(TOPIC, "BOOM!"))
- :
new Bytes(longSerializer.serialize(TOPIC, counter)
));
+ :
serialize(key, counter
));
await("Consumer failed")
.atMost(Duration.ofSeconds(30))
await("Consumer failed")
.atMost(Duration.ofSeconds(30))
- .until
(() -> !endlessConsumer.running
());
+ .until
Asserted(() -> checkSeenOffsetsForProgress
());
- 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);
compareToCommitedOffsets(newOffsets);
assertThat(receivedRecords.size())
.describedAs("Received not all sent events")
.isLessThan(100);
+
+ assertThatNoException()
+ .describedAs("Consumer should not be running")
+ .isThrownBy(() -> endlessConsumer.exitStatus());
+ assertThat(endlessConsumer.exitStatus())
+ .containsInstanceOf(RecordDeserializationException.class)
+ .describedAs("Consumer should have exited abnormally");
}
}
@@
-175,7
+183,7
@@
class ApplicationTests
}
}
- void send100Messages(
Function<
Long, Bytes> messageGenerator)
+ void send100Messages(
BiFunction<Integer,
Long, Bytes> messageGenerator)
{
long i = 0;
{
long i = 0;
@@
-183,7
+191,7
@@
class ApplicationTests
{
for (int key = 0; key < 10; key++)
{
{
for (int key = 0; key < 10; key++)
{
- Bytes value = messageGenerator.apply(++i);
+ Bytes value = messageGenerator.apply(
key,
++i);
ProducerRecord<String, Bytes> record =
new ProducerRecord<>(
ProducerRecord<String, Bytes> record =
new ProducerRecord<>(
@@
-192,6
+200,7
@@
class ApplicationTests
Integer.toString(key%2),
value);
Integer.toString(key%2),
value);
+ record.headers().add("__TypeId__", "message".getBytes());
kafkaProducer.send(record, (metadata, e) ->
{
if (metadata != null)
kafkaProducer.send(record, (metadata, e) ->
{
if (metadata != null)
@@
-216,11
+225,19
@@
class ApplicationTests
}
}
}
}
+ Bytes serialize(Integer key, Long value)
+ {
+ ClientMessage message = new ClientMessage();
+ message.setClient(key.toString());
+ message.setMessage(value.toString());
+ return new Bytes(valueSerializer.serialize(TOPIC, message));
+ }
+
@BeforeEach
public void init()
{
@BeforeEach
public void init()
{
-
testHandler = record -> {}
;
+
recordHandler.testHandler = (record) -> {}
;
oldOffsets = new HashMap<>();
newOffsets = new HashMap<>();
oldOffsets = new HashMap<>();
newOffsets = new HashMap<>();
@@
-232,24
+249,15
@@
class ApplicationTests
newOffsets.put(tp, offset - 1);
});
newOffsets.put(tp, offset - 1);
});
-
Consumer<ConsumerRecord<String, Long>> captureOffsetAndExecuteTestHandler
=
+
recordHandler.captureOffsets
=
record ->
{
record ->
{
+ receivedRecords.add(record);
newOffsets.put(
new TopicPartition(record.topic(), record.partition()),
record.offset());
newOffsets.put(
new TopicPartition(record.topic(), record.partition()),
record.offset());
- receivedRecords.add(record);
- testHandler.accept(record);
};
};
- endlessConsumer =
- new EndlessConsumer<>(
- executor,
- properties.getClientId(),
- properties.getTopic(),
- kafkaConsumer,
- captureOffsetAndExecuteTestHandler);
-
endlessConsumer.start();
}
endlessConsumer.start();
}
@@
-266,11
+274,38
@@
class ApplicationTests
}
}
}
}
+ public static class RecordHandler implements Consumer<ConsumerRecord<String, ClientMessage>>
+ {
+ Consumer<ConsumerRecord<String, ClientMessage>> captureOffsets;
+ Consumer<ConsumerRecord<String, ClientMessage>> testHandler;
+
+
+ @Override
+ public void accept(ConsumerRecord<String, ClientMessage> record)
+ {
+ captureOffsets
+ .andThen(testHandler)
+ .accept(record);
+ }
+ }
@TestConfiguration
@Import(ApplicationConfiguration.class)
public static class Configuration
{
@TestConfiguration
@Import(ApplicationConfiguration.class)
public static class Configuration
{
+ @Primary
+ @Bean
+ public Consumer<ConsumerRecord<String, ClientMessage>> testHandler()
+ {
+ return new RecordHandler();
+ }
+
+ @Bean
+ Serializer<ClientMessage> serializer()
+ {
+ return new JsonSerializer<>();
+ }
+
@Bean
KafkaProducer<String, Bytes> kafkaProducer(ApplicationProperties properties)
{
@Bean
KafkaProducer<String, Bytes> kafkaProducer(ApplicationProperties properties)
{