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ThingDefinitionModifiedTest.java
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ThingDefinitionModifiedTest.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.things.model.signals.events;
import static org.eclipse.ditto.json.assertions.DittoJsonAssertions.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.base.model.json.FieldType;
import org.eclipse.ditto.base.model.signals.events.Event;
import org.eclipse.ditto.base.model.signals.events.EventsourcedEvent;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.json.JsonValue;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.ThingDefinition;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ThingDefinitionModified}.
*/
public class ThingDefinitionModifiedTest {
private static final JsonObject KNOWN_JSON = JsonFactory.newObjectBuilder()
.set(Event.JsonFields.TYPE, ThingDefinitionModified.TYPE)
.set(Event.JsonFields.TIMESTAMP, TestConstants.TIMESTAMP.toString())
.set(Event.JsonFields.METADATA, TestConstants.METADATA.toJson())
.set(EventsourcedEvent.JsonFields.REVISION, TestConstants.Thing.REVISION_NUMBER)
.set(ThingEvent.JsonFields.THING_ID, TestConstants.Thing.THING_ID.toString())
.set(ThingDefinitionModified.JSON_DEFINITION, JsonValue.of(TestConstants.Thing.DEFINITION.toString()))
.build();
@Test
public void assertImmutability() {
assertInstancesOf(ThingDefinitionModified.class,
areImmutable(),
provided(ThingDefinition.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ThingDefinitionModified.class)
.withRedefinedSuperclass()
.verify();
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullThingId() {
ThingDefinitionModified.of(null, TestConstants.Thing.DEFINITION, TestConstants.Thing.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
}
@Test
public void toJsonReturnsExpected() {
final ThingDefinitionModified underTest =
ThingDefinitionModified.of(TestConstants.Thing.THING_ID, TestConstants.Thing.DEFINITION,
TestConstants.Thing.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 ThingDefinitionModified underTest =
ThingDefinitionModified.fromJson(KNOWN_JSON.toString(), TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
assertThat(underTest.getThingDefinition()).isEqualTo(TestConstants.Thing.DEFINITION);
}
@Test
public void getResourcePathReturnsExpected() {
final JsonPointer expectedResourcePath = Thing.JsonFields.DEFINITION.getPointer();
final ThingDefinitionModified underTest =
ThingDefinitionModified.of(TestConstants.Thing.THING_ID, TestConstants.Thing.DEFINITION,
TestConstants.Thing.REVISION_NUMBER, TestConstants.TIMESTAMP,
TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
assertThat(underTest.getResourcePath()).isEqualTo(expectedResourcePath);
}
}