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DefaultKafkaConfigTest.java
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DefaultKafkaConfigTest.java
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/*
* Copyright (c) 2021 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.connectivity.service.config;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.time.Duration;
import org.eclipse.ditto.base.service.config.ThrottlingConfig;
import org.junit.BeforeClass;
import org.junit.Test;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Tests DefaultKafkaConfig.
*/
public class DefaultKafkaConfigTest {
private static final Duration DEFAULT_POLL_INTERVAL = Duration.ofMillis(50);
private static final Duration DEFAULT_POLL_TIMEOUT = Duration.ofMillis(100);
private static final Duration DEFAULT_CLOSE_TIMEOUT = Duration.ofSeconds(10);
private static final int DEFAULT_PARALLELISM = 10000;
private static Config kafkaTestConf;
@BeforeClass
public static void initTestFixture() {
kafkaTestConf = ConfigFactory.load("kafka-test");
}
@Test
public void assertImmutability() {
assertInstancesOf(DefaultKafkaConfig.class,
areImmutable(),
provided(Config.class, ThrottlingConfig.class).areAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DefaultKafkaConfig.class)
.usingGetClass()
.verify();
}
@Test
public void underTestReturnsValuesOfConfigFile() {
final DefaultKafkaConfig underTest = DefaultKafkaConfig.of(kafkaTestConf);
assertThat(underTest.getConsumerThrottlingConfig().getLimit()).isEqualTo(100);
assertThat(underTest.getConsumerThrottlingConfig().getInterval()).isEqualTo(Duration.ofSeconds(1));
assertThat(underTest.getConsumerConfig().getDuration("poll-interval")) // from akka.kafka.consumer
.isEqualTo(DEFAULT_POLL_INTERVAL);
assertThat(underTest.getConsumerConfig().getDuration("poll-timeout")) // from kafka-test.conf
.isEqualTo(DEFAULT_POLL_TIMEOUT);
assertThat(underTest.getProducerConfig().getInt("parallelism")) // from akka.kafka.producer
.isEqualTo(DEFAULT_PARALLELISM);
assertThat(underTest.getProducerConfig().getDuration("close-timeout")) // from kafka-test.conf
.isEqualTo(DEFAULT_CLOSE_TIMEOUT);
assertThat(underTest.getProducerQueueSize()).isEqualTo(39);
assertThat(underTest.getProducerParallelism()).isEqualTo(3);
}
}