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ImmutableImportedLabelsTest.java
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ImmutableImportedLabelsTest.java
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/*
* Copyright (c) 2022 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.policies.model;
import static org.eclipse.ditto.policies.model.assertions.DittoPolicyAssertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.json.JsonArray;
import org.eclipse.ditto.json.JsonValue;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ImmutableImportedLabels}.
*/
public final class ImmutableImportedLabelsTest {
@Test
public void assertImmutability() {
assertInstancesOf(ImmutableImportedLabels.class,
areImmutable(),
provided(Label.class).areAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutableImportedLabels.class)
.usingGetClass()
.withNonnullFields("entryLabels")
.verify();
}
@Test
public void createJsonRepresentationOfEmptyLabels() {
final JsonValue actualJsonValue = ImportedLabels.none().toJson();
assertThat(actualJsonValue).isEqualTo(JsonArray.newBuilder().build());
}
@Test
public void testContains() {
final ImportedLabels labels = ImportedLabels.newInstance("label1", "label2", "label4");
assertThat(labels.contains("label2", "label4")).isTrue();
assertThat(labels.contains("label3")).isFalse();
assertThat(labels.contains(ImportedLabels.newInstance("label1", "label2"))).isTrue();
assertThat(labels.contains(ImportedLabels.newInstance("label5", "label6"))).isFalse();
}
}