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DefaultStreamConfigTest.java
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DefaultStreamConfigTest.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.thingsearch.service.common.config;
import static org.eclipse.ditto.thingsearch.service.common.config.StreamConfig.StreamConfigValue;
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.assertj.core.api.JUnitSoftAssertions;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit tests for {@link DefaultStreamConfig}.
*/
public final class DefaultStreamConfigTest {
private static Config config;
@Rule
public final JUnitSoftAssertions softly = new JUnitSoftAssertions();
@BeforeClass
public static void initTestFixture() {
config = ConfigFactory.load("stream-test");
}
@Test
public void assertImmutability() {
assertInstancesOf(DefaultStreamConfig.class,
areImmutable(),
provided(PersistenceStreamConfig.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DefaultStreamConfig.class)
.usingGetClass()
.verify();
}
@Test
public void underTestReturnsDefaultValuesIfBaseConfigWasEmpty() {
final StreamConfig underTest = DefaultStreamConfig.of(ConfigFactory.empty());
softly.assertThat(underTest.getMaxArraySize())
.as(StreamConfigValue.MAX_ARRAY_SIZE.getConfigPath())
.isEqualTo(StreamConfigValue.MAX_ARRAY_SIZE.getDefaultValue());
softly.assertThat(underTest.getWriteInterval())
.as(StreamConfigValue.WRITE_INTERVAL.getConfigPath())
.isEqualTo(StreamConfigValue.WRITE_INTERVAL.getDefaultValue());
}
@Test
public void underTestReturnsValuesOfConfigFile() {
final StreamConfig underTest = DefaultStreamConfig.of(config);
softly.assertThat(underTest.getMaxArraySize())
.as(StreamConfigValue.MAX_ARRAY_SIZE.getConfigPath())
.isEqualTo(1);
softly.assertThat(underTest.getWriteInterval())
.as(StreamConfigValue.WRITE_INTERVAL.getConfigPath())
.isEqualTo(Duration.ofSeconds(2));
}
}