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DeleteFeaturePropertiesTest.java
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DeleteFeaturePropertiesTest.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.commands.modify;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
import static org.eclipse.ditto.things.model.signals.commands.assertions.ThingCommandAssertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.assertj.core.api.Assertions;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.assertions.DittoJsonAssertions;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.signals.commands.TestConstants;
import org.eclipse.ditto.things.model.signals.commands.ThingCommand;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link DeleteFeatureProperties}.
*/
public final class DeleteFeaturePropertiesTest {
private static final JsonObject KNOWN_JSON = JsonFactory.newObjectBuilder()
.set(ThingCommand.JsonFields.TYPE, DeleteFeatureProperties.TYPE)
.set(ThingCommand.JsonFields.JSON_THING_ID, TestConstants.Thing.THING_ID.toString())
.set(DeleteFeatureProperties.JSON_FEATURE_ID, TestConstants.Feature.FLUX_CAPACITOR_ID)
.build();
@Test
public void assertImmutability() {
assertInstancesOf(DeleteFeatureProperties.class, areImmutable(), provided(ThingId.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DeleteFeatureProperties.class)
.withRedefinedSuperclass()
.verify();
}
@Test
public void tryToCreateInstanceWithNullThingId() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> DeleteFeatureProperties.of(null, TestConstants.Feature.FLUX_CAPACITOR_ID,
TestConstants.EMPTY_DITTO_HEADERS))
.withNoCause();
}
@Test
public void tryToCreateInstanceWithNullFeatureId() {
assertThatNullPointerException()
.isThrownBy(() -> DeleteFeatureProperties.of(TestConstants.Thing.THING_ID, null,
TestConstants.EMPTY_DITTO_HEADERS))
.withMessage("The %s must not be null!", "Feature ID")
.withNoCause();
}
@Test
public void createInstanceWithValidArguments() {
final DeleteFeatureProperties underTest = DeleteFeatureProperties.of(TestConstants.Thing.THING_ID,
TestConstants.Feature.FLUX_CAPACITOR_ID, TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
}
@Test
public void toJsonReturnsExpected() {
final DeleteFeatureProperties underTest = DeleteFeatureProperties.of(TestConstants.Thing.THING_ID,
TestConstants.Feature.FLUX_CAPACITOR_ID, TestConstants.EMPTY_DITTO_HEADERS);
final JsonObject actualJson = underTest.toJson(FieldType.regularOrSpecial());
DittoJsonAssertions.assertThat(actualJson).isEqualTo(KNOWN_JSON);
}
@Test
public void createInstanceFromValidJson() {
final DeleteFeatureProperties underTest =
DeleteFeatureProperties.fromJson(KNOWN_JSON.toString(), TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
Assertions.assertThat((CharSequence) underTest.getEntityId()).isEqualTo(TestConstants.Thing.THING_ID);
assertThat(underTest.getFeatureId()).isEqualTo(TestConstants.Feature.FLUX_CAPACITOR_ID);
}
}