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DefaultEntityTypeTest.java
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DefaultEntityTypeTest.java
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/*
* Copyright (c) 2020 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.base.model.entity.type;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.assertj.core.api.AutoCloseableSoftAssertions;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link org.eclipse.ditto.base.model.entity.type.DefaultEntityType}.
*/
public final class DefaultEntityTypeTest {
private static final String KNOWN_VALUE = "shub-niggurath";
@Test
public void assertImmutability() {
assertInstancesOf(DefaultEntityType.class, areImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DefaultEntityType.class)
.usingGetClass()
.verify();
}
@Test
public void tryToGetInstanceWithNullValue() {
assertThatNullPointerException()
.isThrownBy(() -> DefaultEntityType.of(null))
.withMessage("The value must not be null!")
.withNoCause();
}
@Test
public void tryToGetInstanceWithEmptyValue() {
assertThatIllegalArgumentException()
.isThrownBy(() -> DefaultEntityType.of(""))
.withMessage("The argument 'value' must not be empty!")
.withNoCause();
}
@Test
public void toStringReturnsExpected() {
final DefaultEntityType underTest = DefaultEntityType.of(KNOWN_VALUE);
assertThat(underTest.toString()).isEqualTo(KNOWN_VALUE);
}
@Test
public void compareToWorksAsExpected() {
final DefaultEntityType entityTypeA = DefaultEntityType.of("a");
final DefaultEntityType entityTypeB = DefaultEntityType.of("b");
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(entityTypeA.compareTo(entityTypeA))
.as("compare with equal")
.isZero();
softly.assertThat(entityTypeA.compareTo(entityTypeB))
.as("compare with greater")
.isNegative();
softly.assertThat(entityTypeB.compareTo(entityTypeA))
.as("compare with less")
.isPositive();
}
}
}