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ManifestProviderTest.java
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ManifestProviderTest.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.internal.utils.cluster;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.base.model.exceptions.DittoRuntimeException;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.base.model.signals.commands.Command;
import org.eclipse.ditto.base.model.signals.commands.CommandNotSupportedException;
import org.eclipse.ditto.base.model.signals.commands.CommandResponse;
import org.eclipse.ditto.things.model.signals.commands.modify.CreateThingResponse;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveThing;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
/**
* Unit test for {@link ManifestProviderTest}.
*/
public final class ManifestProviderTest {
private static final ThingId THING_ID = ThingId.of("org.eclipse.ditto.test","myThing");
private static final Thing THING = Thing.newBuilder()
.setId(THING_ID)
.build();
private ManifestProvider underTest = null;
@Before
public void setUp() {
underTest = ManifestProvider.getInstance();
}
@Test
@Ignore("https://github.com/MutabilityDetector/MutabilityDetector/issues/185")
public void assertImmutability() {
assertInstancesOf(ManifestProvider.class, areImmutable());
}
@Test
public void tryToGetManifestForNull() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> underTest.apply(null))
.withFailMessage("The %s must not be null!", "object")
.withNoCause();
}
@Test
public void getManifestFromCommandNotSupportedException() {
final DittoRuntimeException exception = CommandNotSupportedException.newBuilder(1).build();
final String manifest = underTest.apply(exception);
assertThat(manifest).isEqualTo(exception.getErrorCode());
}
@Test
public void getManifestFromThingCommand() {
final ThingId thingId = THING_ID;
final Command<RetrieveThing> retrieveThing = RetrieveThing.of(thingId, DittoHeaders.empty());
final String manifest = underTest.apply(retrieveThing);
assertThat(manifest).isEqualTo(retrieveThing.getType());
}
@Test
public void getManifestFromThingCommandResponse() {
final CommandResponse<CreateThingResponse> commandResponse = CreateThingResponse.of(THING,
DittoHeaders.empty());
final String manifest = underTest.apply(commandResponse);
assertThat(manifest).isEqualTo(commandResponse.getType());
}
}