/
DefaultSnapshotConfigTest.java
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/
DefaultSnapshotConfigTest.java
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/*
* Copyright (c) 2019 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.services.utils.persistence.mongo.config;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.time.Duration;
import org.assertj.core.api.JUnitSoftAssertions;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link org.eclipse.ditto.services.utils.persistence.mongo.config.DefaultSnapshotConfig}.
*/
public final class DefaultSnapshotConfigTest {
private static Config snapshotTestConf;
@Rule
public final JUnitSoftAssertions softly = new JUnitSoftAssertions();
@BeforeClass
public static void initTestFixture() {
snapshotTestConf = ConfigFactory.load("snapshot-test");
}
@Test
public void assertImmutability() {
assertInstancesOf(DefaultSnapshotConfig.class,
areImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DefaultSnapshotConfig.class)
.usingGetClass()
.verify();
}
@Test
public void testSerializationAndDeserialization() throws IOException, ClassNotFoundException {
final DefaultSnapshotConfig underTest = DefaultSnapshotConfig.of(snapshotTestConf);
final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
final ObjectOutput objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
objectOutputStream.writeObject(underTest);
objectOutputStream.close();
final byte[] underTestSerialized = byteArrayOutputStream.toByteArray();
final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(underTestSerialized);
final ObjectInput objectInputStream = new ObjectInputStream(byteArrayInputStream);
final Object underTestDeserialized = objectInputStream.readObject();
softly.assertThat(underTestDeserialized).isEqualTo(underTest);
}
@Test
public void underTestReturnsDefaultValuesIfBaseConfigWasEmpty() {
final DefaultSnapshotConfig underTest = DefaultSnapshotConfig.of(ConfigFactory.empty());
softly.assertThat(underTest.getInterval())
.as(SnapshotConfig.SnapshotConfigValue.INTERVAL.getConfigPath())
.isEqualTo(SnapshotConfig.SnapshotConfigValue.INTERVAL.getDefaultValue());
softly.assertThat(underTest.getThreshold())
.as(SnapshotConfig.SnapshotConfigValue.THRESHOLD.getConfigPath())
.isEqualTo(SnapshotConfig.SnapshotConfigValue.THRESHOLD.getDefaultValue());
softly.assertThat(underTest.isDeleteOldSnapshot())
.as(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_SNAPSHOT.getConfigPath())
.isEqualTo(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_SNAPSHOT.getDefaultValue());
softly.assertThat(underTest.isDeleteOldEvents())
.as(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_EVENTS.getConfigPath())
.isEqualTo(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_EVENTS.getDefaultValue());
}
@Test
public void underTestReturnsValuesOfConfigFile() {
final DefaultSnapshotConfig underTest = DefaultSnapshotConfig.of(snapshotTestConf);
softly.assertThat(underTest.getInterval())
.as(SnapshotConfig.SnapshotConfigValue.INTERVAL.getConfigPath())
.isEqualTo(Duration.ofDays(100L));
softly.assertThat(underTest.getThreshold())
.as(SnapshotConfig.SnapshotConfigValue.THRESHOLD.getConfigPath())
.isEqualTo(2);
softly.assertThat(underTest.isDeleteOldSnapshot())
.as(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_SNAPSHOT.getConfigPath())
.isTrue();
softly.assertThat(underTest.isDeleteOldEvents())
.as(SnapshotConfig.SnapshotConfigValue.DELETE_OLD_EVENTS.getConfigPath())
.isTrue();
}
}