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FeatureCreatedTest.java
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FeatureCreatedTest.java
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/*
* Copyright (c) 2017 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.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.things.model.Feature;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.ThingsModelFactory;
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 FeatureCreated}.
*/
public final class FeatureCreatedTest {
private static final JsonObject KNOWN_JSON = JsonFactory.newObjectBuilder()
.set(Event.JsonFields.TIMESTAMP, TestConstants.TIMESTAMP.toString())
.set(Event.JsonFields.TYPE, FeatureCreated.TYPE)
.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(ThingEvent.JsonFields.FEATURE_ID, TestConstants.Feature.FLUX_CAPACITOR_ID)
.set(FeatureCreated.JSON_FEATURE, TestConstants.Feature.FLUX_CAPACITOR.toJson(FieldType.regularOrSpecial()))
.build();
@Test
public void assertImmutability() {
assertInstancesOf(FeatureCreated.class, areImmutable(),
provided(Feature.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(FeatureCreated.class)
.withRedefinedSuperclass()
.verify();
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullThingId() {
FeatureCreated.of((ThingId) null, TestConstants.Feature.FLUX_CAPACITOR, TestConstants.Thing.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullFeature() {
FeatureCreated.of(TestConstants.Thing.THING_ID, null, TestConstants.Thing.REVISION_NUMBER,
TestConstants.TIMESTAMP, TestConstants.EMPTY_DITTO_HEADERS, TestConstants.METADATA);
}
@Test
public void toJsonReturnsExpected() {
final FeatureCreated underTest =
FeatureCreated.of(TestConstants.Thing.THING_ID, TestConstants.Feature.FLUX_CAPACITOR,
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 FeatureCreated underTest =
FeatureCreated.fromJson(KNOWN_JSON.toString(), TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
assertThat(underTest.getFeature()).isEqualTo(TestConstants.Feature.FLUX_CAPACITOR);
}
@Test
public void createInstanceFromJsonWithNullFeature() {
final JsonObject inputJson =
KNOWN_JSON.setValue(FeatureCreated.JSON_FEATURE.getPointer(), JsonFactory.nullLiteral());
final FeatureCreated parsedEvent = FeatureCreated.fromJson(inputJson, DittoHeaders.empty());
assertThat(parsedEvent.getFeature()).isEqualTo(
ThingsModelFactory.nullFeature(TestConstants.Feature.FLUX_CAPACITOR_ID));
}
@Test
public void getResourcePathReturnsExpected() {
final JsonPointer expectedResourcePath =
JsonFactory.newPointer("/features/" + TestConstants.Feature.FLUX_CAPACITOR_ID);
final FeatureCreated underTest =
FeatureCreated.of(TestConstants.Thing.THING_ID, TestConstants.Feature.FLUX_CAPACITOR,
TestConstants.Thing.REVISION_NUMBER,
TestConstants.TIMESTAMP,
TestConstants.EMPTY_DITTO_HEADERS,
TestConstants.METADATA);
assertThat(underTest.getResourcePath()).isEqualTo(expectedResourcePath);
}
}