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DeleteAttributesLiveCommandImplTest.java
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DeleteAttributesLiveCommandImplTest.java
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/*
* Copyright (c) 2021 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.client.live.commands.modify;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.eclipse.ditto.base.model.signals.commands.assertions.CommandAssertions.assertThat;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.text.MessageFormat;
import org.assertj.core.api.Assertions;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.signals.commands.Command;
import org.eclipse.ditto.things.model.signals.commands.TestConstants;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteAttributes;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link org.eclipse.ditto.client.live.commands.modify.DeleteAttributesLiveCommandImpl}.
*/
public final class DeleteAttributesLiveCommandImplTest {
private DeleteAttributes twinCommand;
private DeleteAttributesLiveCommand underTest;
@Before
public void setUp() {
twinCommand = DeleteAttributes.of(TestConstants.Thing.THING_ID, DittoHeaders.empty());
underTest = DeleteAttributesLiveCommandImpl.of(twinCommand);
}
@Test
public void assertImmutability() {
assertInstancesOf(DeleteAttributesLiveCommandImpl.class, areImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DeleteAttributesLiveCommandImpl.class)
.withRedefinedSuperclass()
.withIgnoredFields("thingModifyCommand")
.verify();
}
@Test
public void tryToGetDeleteAttributesLiveCommandForNull() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> DeleteAttributesLiveCommandImpl.of(null))
.withMessage(MessageFormat.format("The {0} must not be null!", "command"))
.withNoCause();
}
@Test
public void tryToGetDeleteAttributesLiveCommandForCreateAttributesCommand() {
final Command<?> commandMock = Mockito.mock(Command.class);
assertThatExceptionOfType(ClassCastException.class)
.isThrownBy(() -> DeleteAttributesLiveCommandImpl.of(commandMock))
.withMessageContaining(DeleteAttributes.class.getName())
.withNoCause();
}
@Test
public void getDeleteAttributesLiveCommandReturnsExpected() {
assertThat(underTest)
.withType(twinCommand.getType())
.withDittoHeaders(twinCommand.getDittoHeaders())
.withId(twinCommand.getEntityId())
.withManifest(twinCommand.getManifest())
.withResourcePath(twinCommand.getResourcePath());
}
@Test
public void setDittoHeadersReturnsExpected() {
final DittoHeaders emptyDittoHeaders = DittoHeaders.empty();
final DeleteAttributesLiveCommand newDeleteAttributesLiveCommand =
underTest.setDittoHeaders(emptyDittoHeaders);
assertThat(newDeleteAttributesLiveCommand).withDittoHeaders(emptyDittoHeaders);
}
@Test
public void answerReturnsNotNull() {
Assertions.assertThat(underTest.answer()).isNotNull();
}
@Test
public void toStringReturnsExpected() {
assertThat(underTest.toString())
.contains(underTest.getClass().getSimpleName())
.contains("command=")
.contains(twinCommand.toString());
}
}