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Springify: Kernfunktion von EndlessConsumer über Spring-Kafka
[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
6f58180
..
cbf215e
100644
(file)
--- a/
src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/
src/test/java/de/juplo/kafka/ApplicationTests.java
@@
-13,10
+13,12
@@
import org.apache.kafka.common.serialization.StringSerializer;
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.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;
@@
-24,7
+26,6
@@
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.Consumer;
import java.util.function.Function;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Function;
@@
-37,7
+38,12
@@
import static org.assertj.core.api.Assertions.assertThat;
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 = {
@@
-57,16
+63,12
@@
class ApplicationTests
@Autowired
KafkaProducer<String, Bytes> kafkaProducer;
@Autowired
@Autowired
KafkaProducer<String, Bytes> kafkaProducer;
@Autowired
- KafkaConsumer<String, Long> kafkaConsumer;
- @Autowired
KafkaConsumer<Bytes, Bytes> offsetConsumer;
@Autowired
ApplicationProperties properties;
@Autowired
KafkaConsumer<Bytes, Bytes> offsetConsumer;
@Autowired
ApplicationProperties properties;
@Autowired
-
ExecutorService executo
r;
+
RecordHandler recordHandle
r;
- 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;
@@
-80,7
+82,7
@@
class ApplicationTests
send100Messages(i -> new Bytes(longSerializer.serialize(TOPIC, i)));
Set<ConsumerRecord<String, Long>> received = new HashSet<>();
send100Messages(i -> new Bytes(longSerializer.serialize(TOPIC, i)));
Set<ConsumerRecord<String, Long>> received = new HashSet<>();
- testHandler = record -> received.add(record);
+
recordHandler.
testHandler = record -> received.add(record);
await("100 records received")
.atMost(Duration.ofSeconds(30))
await("100 records received")
.atMost(Duration.ofSeconds(30))
@@
-106,17
+108,8
@@
class ApplicationTests
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);
}
compareToCommitedOffsets(newOffsets);
}
@@
-215,7
+208,7
@@
class ApplicationTests
@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<>();
@@
-226,44
+219,40
@@
class ApplicationTests
newOffsets.put(tp, offset - 1);
});
newOffsets.put(tp, offset - 1);
});
-
Consumer<ConsumerRecord<String, Long>> captureOffsetAndExecuteTestHandler
=
+
recordHandler.captureOffsets
=
record ->
record ->
- {
newOffsets.put(
new TopicPartition(record.topic(), record.partition()),
record.offset());
newOffsets.put(
new TopicPartition(record.topic(), record.partition()),
record.offset());
- testHandler.accept(record);
- };
-
- endlessConsumer =
- new EndlessConsumer<>(
- executor,
- properties.getClientId(),
- properties.getTopic(),
- kafkaConsumer,
- captureOffsetAndExecuteTestHandler);
-
- endlessConsumer.start();
}
}
- @AfterEach
- public
void deinit()
+
+ public
static class RecordHandler implements Consumer<ConsumerRecord<String, Long>>
{
{
- try
- {
- endlessConsumer.stop();
- }
- catch (Exception e)
+ Consumer<ConsumerRecord<String, Long>> captureOffsets;
+ Consumer<ConsumerRecord<String, Long>> testHandler;
+
+
+ @Override
+ public void accept(ConsumerRecord<String, Long> record)
{
{
- log.info("Exception while stopping the consumer: {}", e.toString());
+ 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, Long>> testHandler()
+ {
+ return new RecordHandler();
+ }
+
@Bean
KafkaProducer<String, Bytes> kafkaProducer(ApplicationProperties properties)
{
@Bean
KafkaProducer<String, Bytes> kafkaProducer(ApplicationProperties properties)
{