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FeaturesModifiedStrategyTest.java
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FeaturesModifiedStrategyTest.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.service.persistence.actors.strategies.events;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.signals.events.FeaturesModified;
import org.junit.Test;
/**
* Unit test for {@link FeaturesModifiedStrategy}.
*/
public final class FeaturesModifiedStrategyTest extends AbstractStrategyTest {
@Test
public void assertImmutability() {
assertInstancesOf(FeaturesModifiedStrategy.class, areImmutable());
}
@Test
public void appliesEventCorrectly() {
final FeaturesModifiedStrategy strategy = new FeaturesModifiedStrategy();
final FeaturesModified event = FeaturesModified.of(THING_ID, FEATURES, REVISION, TIMESTAMP, DittoHeaders.empty(),
null);
final Thing thingWithEventApplied = strategy.handle(event, THING, NEXT_REVISION);
final Thing expected = THING.toBuilder()
.setFeatures(FEATURES)
.setRevision(NEXT_REVISION)
.setModified(TIMESTAMP)
.build();
assertThat(thingWithEventApplied).isEqualTo(expected);
}
}