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GH-2742: Exit batch retries when container is paused
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150 changes: 150 additions & 0 deletions
150
spring-kafka/src/test/java/org/springframework/kafka/listener/ErrorHandlingUtilsTest.java
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/* | ||
* Copyright 2017-2023 the original author or authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* https://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.springframework.kafka.listener; | ||
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import static org.assertj.core.api.Assertions.assertThat; | ||
import static org.assertj.core.api.Assertions.assertThatThrownBy; | ||
import static org.mockito.BDDMockito.willReturn; | ||
import static org.mockito.Mockito.mock; | ||
import static org.mockito.Mockito.reset; | ||
import static org.mockito.Mockito.times; | ||
import static org.mockito.Mockito.verify; | ||
import static org.mockito.Mockito.verifyNoInteractions; | ||
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import java.util.ArrayList; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
import java.util.function.BiConsumer; | ||
import java.util.stream.Collectors; | ||
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import org.apache.commons.logging.LogFactory; | ||
import org.apache.kafka.clients.consumer.Consumer; | ||
import org.apache.kafka.clients.consumer.ConsumerRecord; | ||
import org.apache.kafka.clients.consumer.ConsumerRecords; | ||
import org.apache.kafka.common.TopicPartition; | ||
import org.junit.jupiter.api.BeforeEach; | ||
import org.junit.jupiter.api.Test; | ||
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import org.springframework.classify.BinaryExceptionClassifier; | ||
import org.springframework.core.log.LogAccessor; | ||
import org.springframework.kafka.KafkaException; | ||
import org.springframework.util.backoff.BackOff; | ||
import org.springframework.util.backoff.FixedBackOff; | ||
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/** | ||
* @author Antonio Tomac | ||
* @since 3.0.9 | ||
* | ||
*/ | ||
class ErrorHandlingUtilsTest { | ||
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private final Exception thrownException = new RuntimeException("initial cause"); | ||
private final Consumer<?, ?> consumer = mock(Consumer.class); | ||
private final MessageListenerContainer container = mock(MessageListenerContainer.class); | ||
private final Runnable listener = mock(Runnable.class); | ||
private final BackOff backOff = new FixedBackOff(1000, 3); | ||
private final CommonErrorHandler seeker = mock(CommonErrorHandler.class); | ||
@SuppressWarnings("unchecked") | ||
private final BiConsumer<ConsumerRecords<?, ?>, Exception> recoverer = mock(BiConsumer.class); | ||
private final LogAccessor logger = new LogAccessor(LogFactory.getLog(ErrorHandlingUtilsTest.class)); | ||
private final List<RetryListener> retryListeners = new ArrayList<>(); | ||
private final BinaryExceptionClassifier classifier = BinaryExceptionClassifier.defaultClassifier(); | ||
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private final ConsumerRecords<?, ?> consumerRecords = recordsOf( | ||
new ConsumerRecord<>("foo", 0, 0L, "a", "a"), | ||
new ConsumerRecord<>("foo", 1, 0L, "b", "b") | ||
); | ||
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@SafeVarargs | ||
private <K, V> ConsumerRecords<K, V> recordsOf(ConsumerRecord<K, V>... records) { | ||
return new ConsumerRecords<>( | ||
Arrays.stream(records).collect(Collectors.groupingBy( | ||
(cr) -> new TopicPartition(cr.topic(), cr.partition()) | ||
)) | ||
); | ||
} | ||
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@BeforeEach | ||
public void resetMocks() { | ||
reset(consumer, container, listener, seeker, recoverer); | ||
willReturn(true).given(container).isRunning(); | ||
willReturn(false).given(container).isPauseRequested(); | ||
} | ||
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private void doRetries() { | ||
ErrorHandlingUtils.retryBatch( | ||
thrownException, consumerRecords, consumer, container, listener, backOff, | ||
seeker, recoverer, logger, KafkaException.Level.INFO, retryListeners, | ||
classifier, true | ||
); | ||
} | ||
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private long execDurationOf(Runnable runnable) { | ||
long start = System.currentTimeMillis(); | ||
runnable.run(); | ||
long end = System.currentTimeMillis(); | ||
return end - start; | ||
} | ||
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@Test | ||
void testStopRetriesWhenNotRunning() { | ||
willReturn(false).given(container).isRunning(); | ||
assertThatThrownBy(this::doRetries) | ||
.isInstanceOf(KafkaException.class) | ||
.message().isEqualTo("Container stopped during retries"); | ||
verifyNoInteractions(seeker, listener, recoverer); | ||
} | ||
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@Test | ||
void testOneSuccessfulRetry() { | ||
long duration = execDurationOf(this::doRetries); | ||
assertThat(duration).as("duration of one round of sleep").isGreaterThanOrEqualTo(1000L); | ||
verifyNoInteractions(seeker, recoverer); | ||
verify(listener, times(1)).run(); | ||
verifyNoInteractions(seeker, recoverer); | ||
} | ||
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@Test | ||
void stopRetriesWhenContainerIsPaused() { | ||
willReturn(true).given(container).isPauseRequested(); | ||
long duration = execDurationOf(() -> | ||
assertThatThrownBy(this::doRetries) | ||
.isInstanceOf(KafkaException.class) | ||
.message().isEqualTo("Container paused requested during retries") | ||
); | ||
assertThat(duration) | ||
.as("duration should not be full retry interval") | ||
.isLessThan(1000L); | ||
verify(seeker).handleBatch(thrownException, consumerRecords, consumer, container, ErrorHandlingUtils.NO_OP); | ||
verifyNoInteractions(listener, recoverer); | ||
} | ||
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@Test | ||
void stopRetriesWhenPartitionIsPaused() { | ||
willReturn(true).given(container).isPartitionPauseRequested(new TopicPartition("foo", 1)); | ||
long duration = execDurationOf(() -> | ||
assertThatThrownBy(this::doRetries) | ||
.isInstanceOf(KafkaException.class) | ||
.message().isEqualTo("Container paused requested during retries") | ||
); | ||
assertThat(duration) | ||
.as("duration should not be full retry interval") | ||
.isLessThan(1000L); | ||
verify(seeker).handleBatch(thrownException, consumerRecords, consumer, container, ErrorHandlingUtils.NO_OP); | ||
verifyNoInteractions(listener, recoverer); | ||
} | ||
} |
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