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ThingConflictStrategyTest.java
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ThingConflictStrategyTest.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.commands;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doAnswer;
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.base.model.headers.WithDittoHeaders;
import org.eclipse.ditto.base.model.headers.entitytag.EntityTagMatchers;
import org.eclipse.ditto.base.model.signals.commands.Command;
import org.eclipse.ditto.internal.utils.akka.logging.DittoDiagnosticLoggingAdapter;
import org.eclipse.ditto.internal.utils.persistentactors.commands.CommandStrategy;
import org.eclipse.ditto.internal.utils.persistentactors.commands.DefaultContext;
import org.eclipse.ditto.internal.utils.persistentactors.results.Result;
import org.eclipse.ditto.internal.utils.persistentactors.results.ResultVisitor;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.ThingsModelFactory;
import org.eclipse.ditto.things.model.signals.commands.exceptions.ThingConflictException;
import org.eclipse.ditto.things.model.signals.commands.exceptions.ThingPreconditionFailedException;
import org.eclipse.ditto.things.model.signals.commands.modify.CreateThing;
import org.eclipse.ditto.things.model.signals.events.ThingEvent;
import org.junit.Test;
import org.mockito.Mockito;
/**
* Unit test for {@link ThingConflictStrategy}.
*/
@SuppressWarnings({"rawtypes", "java:S3740"})
public final class ThingConflictStrategyTest {
@Test
public void assertImmutability() {
assertInstancesOf(ThingConflictStrategy.class, areImmutable());
}
@Test
public void createConflictResultWithoutPrecondition() {
final ThingConflictStrategy underTest = new ThingConflictStrategy();
final ThingId thingId = ThingId.of("thing:id");
final Thing thing = ThingsModelFactory.newThingBuilder().setId(thingId).setRevision(25L).build();
final CommandStrategy.Context<ThingId> context = DefaultContext.getInstance(thingId,
mockLoggingAdapter());
final CreateThing command = CreateThing.of(thing, null, DittoHeaders.empty());
final Result<ThingEvent<?>> result = underTest.apply(context, thing, 26L, command);
result.accept(new ExpectErrorVisitor(ThingConflictException.class));
}
@Test
public void createPreconditionFailedResultWithPrecondition() {
final ThingConflictStrategy underTest = new ThingConflictStrategy();
final ThingId thingId = ThingId.of("thing:id");
final Thing thing = ThingsModelFactory.newThingBuilder().setId(thingId).setRevision(25L).build();
final CommandStrategy.Context<ThingId> context = DefaultContext.getInstance(thingId,
mockLoggingAdapter());
final CreateThing command = CreateThing.of(thing, null, DittoHeaders.newBuilder()
.ifNoneMatch(EntityTagMatchers.fromStrings("*"))
.build());
final Result<ThingEvent<?>> result = underTest.apply(context, thing, 26L, command);
result.accept(new ExpectErrorVisitor(ThingPreconditionFailedException.class));
}
private static DittoDiagnosticLoggingAdapter mockLoggingAdapter() {
final DittoDiagnosticLoggingAdapter mock = Mockito.mock(DittoDiagnosticLoggingAdapter.class);
doAnswer(invocation -> mock).when(mock).withCorrelationId(any(WithDittoHeaders.class));
return mock;
}
private static final class ExpectErrorVisitor implements ResultVisitor<ThingEvent<?>> {
private final Class<? extends DittoRuntimeException> clazz;
private ExpectErrorVisitor(final Class<? extends DittoRuntimeException> clazz) {
this.clazz = clazz;
}
@Override
public void onMutation(final Command<?> command, final ThingEvent<?> event, final WithDittoHeaders response,
final boolean becomeCreated, final boolean becomeDeleted) {
throw new AssertionError("Expect error, got mutation: " + event);
}
@Override
public void onQuery(final Command<?> command, final WithDittoHeaders response) {
throw new AssertionError("Expect error, got query: " + response);
}
@Override
public void onError(final DittoRuntimeException error, final Command errorCausingCommand) {
assertThat(error).isInstanceOf(clazz);
}
}
}