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ModifyThingLiveCommandImplTest.java
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ModifyThingLiveCommandImplTest.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.signals.commands.live.modify;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.eclipse.ditto.signals.commands.base.assertions.CommandAssertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.text.MessageFormat;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.things.Thing;
import org.eclipse.ditto.signals.commands.base.Command;
import org.eclipse.ditto.signals.commands.things.TestConstants;
import org.eclipse.ditto.signals.commands.things.modify.ModifyThing;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ModifyThingLiveCommandImpl}.
*/
public final class ModifyThingLiveCommandImplTest {
private ModifyThing twinCommand;
private ModifyThingLiveCommand underTest;
/** */
@Before
public void setUp() {
twinCommand = ModifyThing.of(TestConstants.Thing.THING_ID, TestConstants.Thing.THING, null, DittoHeaders.empty
());
underTest = ModifyThingLiveCommandImpl.of(twinCommand);
}
/** */
@Test
public void assertImmutability() {
assertInstancesOf(ModifyThingLiveCommandImpl.class,
areImmutable(),
provided(Thing.class).isAlsoImmutable());
}
/** */
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ModifyThingLiveCommandImpl.class)
.withRedefinedSuperclass()
.withIgnoredFields("thingModifyCommand", "thing")
.verify();
}
/** */
@SuppressWarnings("ConstantConditions")
@Test
public void tryToGetModifyThingLiveCommandForNull() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> ModifyThingLiveCommandImpl.of(null))
.withMessage(MessageFormat.format("The {0} must not be null!", "command"))
.withNoCause();
}
/** */
@Test
public void tryToGetModifyThingLiveCommandForCreateThingCommand() {
final Command<?> commandMock = Mockito.mock(Command.class);
assertThatExceptionOfType(ClassCastException.class)
.isThrownBy(() -> ModifyThingLiveCommandImpl.of(commandMock))
.withMessageContaining(MessageFormat.format("cannot be cast to class {0}", ModifyThing.class.getName()))
.withNoCause();
}
/** */
@Test
public void getModifyThingLiveCommandReturnsExpected() {
assertThat(underTest)
.withType(twinCommand.getType())
.withDittoHeaders(twinCommand.getDittoHeaders())
.withId(twinCommand.getThingEntityId())
.withManifest(twinCommand.getManifest())
.withResourcePath(twinCommand.getResourcePath());
assertThat(underTest.getThing()).isEqualTo(twinCommand.getThing());
}
/** */
@Test
public void setDittoHeadersReturnsExpected() {
final DittoHeaders emptyDittoHeaders = DittoHeaders.empty();
final ModifyThingLiveCommand newModifyThingLiveCommand =
underTest.setDittoHeaders(emptyDittoHeaders);
assertThat(newModifyThingLiveCommand).withDittoHeaders(emptyDittoHeaders);
}
/** */
@Test
public void answerReturnsNotNull() {
assertThat(underTest.answer()).isNotNull();
}
/** */
@Test
public void toStringReturnsExpected() {
assertThat(underTest.toString())
.contains(underTest.getClass().getSimpleName())
.contains("command=")
.contains(twinCommand.toString());
}
}