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SubjectsModifiedPartiallyTest.java
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SubjectsModifiedPartiallyTest.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.policies.model.signals.events;
import static org.eclipse.ditto.base.model.assertions.DittoBaseAssertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.assumingFields;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.policies.model.Label;
import org.eclipse.ditto.policies.model.Subject;
import org.eclipse.ditto.policies.model.SubjectId;
import org.eclipse.ditto.base.model.signals.events.Event;
import org.eclipse.ditto.base.model.signals.events.EventsourcedEvent;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link SubjectsModifiedPartially}.
*/
public final class SubjectsModifiedPartiallyTest {
private static final Map<Label, Collection<Subject>> MODIFIED_SUBJECTS = IntStream.of(0).boxed()
.collect(Collectors.toMap(
i -> TestConstants.Policy.LABEL,
i -> Collections.singleton(TestConstants.Policy.SUBJECT)));
private static final JsonObject MODIFIED_SUBJECTS_JSON = JsonObject.newBuilder()
.set(TestConstants.Policy.LABEL, JsonObject.newBuilder()
.set(TestConstants.Policy.SUBJECT_ID, TestConstants.Policy.SUBJECT.toJson())
.build())
.build();
private static final JsonObject KNOWN_JSON = JsonFactory.newObjectBuilder()
.set(Event.JsonFields.TIMESTAMP, TestConstants.TIMESTAMP.toString())
.set(Event.JsonFields.TYPE, SubjectsModifiedPartially.TYPE)
.set(EventsourcedEvent.JsonFields.REVISION, TestConstants.Policy.REVISION_NUMBER)
.set(Event.JsonFields.METADATA, TestConstants.METADATA.toJson())
.set(PolicyEvent.JsonFields.POLICY_ID, TestConstants.Policy.POLICY_ID.toString())
.set(SubjectsModifiedPartially.JSON_MODIFIED_SUBJECTS, MODIFIED_SUBJECTS_JSON)
.build();
@Test
public void assertImmutability() {
assertInstancesOf(SubjectsModifiedPartially.class, areImmutable(),
provided(Subject.class, SubjectId.class, Label.class).isAlsoImmutable(),
assumingFields("modifiedSubjects")
.areSafelyCopiedUnmodifiableCollectionsWithImmutableElements());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(SubjectsModifiedPartially.class)
.withRedefinedSuperclass()
.verify();
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullPolicyId() {
SubjectsModifiedPartially.of(null, MODIFIED_SUBJECTS, TestConstants.Policy.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullActivatedSubjects() {
SubjectsModifiedPartially.of(TestConstants.Policy.POLICY_ID, null, TestConstants.Policy.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
}
@Test
public void toJsonReturnsExpected() {
final SubjectsModifiedPartially underTest =
SubjectsModifiedPartially.of(TestConstants.Policy.POLICY_ID, MODIFIED_SUBJECTS,
TestConstants.Policy.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
final JsonObject actualJson = underTest.toJson(FieldType.regularOrSpecial());
assertThat(actualJson).isEqualTo(KNOWN_JSON);
}
@Test
public void createInstanceFromValidJson() {
final SubjectsModifiedPartially underTest =
SubjectsModifiedPartially.fromJson(KNOWN_JSON, TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
assertThat((CharSequence) underTest.getPolicyEntityId()).isEqualTo(TestConstants.Policy.POLICY_ID);
assertThat(underTest.getModifiedSubjects()).isEqualTo(MODIFIED_SUBJECTS);
}
}