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MatchingValidationResultTest.java
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MatchingValidationResultTest.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.internal.models.signal.correlation;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.util.Optional;
import java.util.UUID;
import org.eclipse.ditto.base.model.entity.id.EntityId;
import org.eclipse.ditto.base.model.headers.DittoHeaderDefinition;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.signals.commands.Command;
import org.eclipse.ditto.base.model.signals.commands.CommandResponse;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link MatchingValidationResult}.
*/
@RunWith(MockitoJUnitRunner.class)
public final class MatchingValidationResultTest {
private static final String DETAIL_MESSAGE = "My detail message.";
private static final String CONNECTION_ID = UUID.randomUUID().toString();
@Mock private Command<?> command;
@Mock private CommandResponse<?> commandResponse;
@Before
public void before() {
Mockito.when(commandResponse.getDittoHeaders()).thenReturn(DittoHeaders.empty());
}
@Test
public void assertImmutabilityForSuccess() {
final var success = MatchingValidationResult.success();
assertInstancesOf(success.getClass(), areImmutable());
}
@Test
public void getSuccessInstanceReturnsNotNull() {
assertThat(MatchingValidationResult.success()).isNotNull();
}
@Test
public void successIsSuccess() {
final var underTest = MatchingValidationResult.success();
assertThat(underTest.isSuccess()).isTrue();
}
@Test
public void getSuccessAsFailureThrowsException() {
final var success = MatchingValidationResult.success();
assertThatIllegalStateException()
.isThrownBy(success::asFailureOrThrow)
.withMessage("This result is a success and thus cannot be returned as failure.")
.withNoCause();
}
@Test
public void assertImmutabilityForFailure() {
assertInstancesOf(MatchingValidationResult.Failure.class,
areImmutable(),
provided(Command.class, CommandResponse.class, EntityId.class).areAlsoImmutable());
}
@Test
public void testHashCodeAndEqualsForFailure() {
final var failureClass = MatchingValidationResult.Failure.class;
final var red = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
final var black = MatchingValidationResult.failure(command, commandResponse, "Ut ea dolor placeat.");
EqualsVerifier.forClass(failureClass)
.usingGetClass()
.withIgnoredFields("connectionId")
.withPrefabValues(failureClass, red, black)
.verify();
}
@Test
public void getFailureInstanceReturnsNotNull() {
assertThat(MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE)).isNotNull();
}
@Test
public void getFailureInstanceWithNullCommandThrowsException() {
assertThatNullPointerException()
.isThrownBy(() -> MatchingValidationResult.failure(null, commandResponse, DETAIL_MESSAGE))
.withMessage("The command must not be null!")
.withNoCause();
}
@Test
public void getFailureInstanceWithNullCommandResponseThrowsException() {
assertThatNullPointerException()
.isThrownBy(() -> MatchingValidationResult.failure(command, null, DETAIL_MESSAGE))
.withMessage("The commandResponse must not be null!")
.withNoCause();
}
@Test
public void getFailureInstanceWithNullDetailMessageThrowsException() {
assertThatNullPointerException()
.isThrownBy(() -> MatchingValidationResult.failure(command, commandResponse, null))
.withMessage("The detailMessage must not be null!")
.withNoCause();
}
@Test
public void getFailureInstanceWithEmptyDetailMessageThrowsException() {
assertThatIllegalArgumentException()
.isThrownBy(() -> MatchingValidationResult.failure(command, commandResponse, ""))
.withMessage("The detailMessage must not be blank.")
.withNoCause();
}
@Test
public void getFailureInstanceWithBlankDetailMessageThrowsException() {
assertThatIllegalArgumentException()
.isThrownBy(() -> MatchingValidationResult.failure(command, commandResponse, " "))
.withMessage("The detailMessage must not be blank.")
.withNoCause();
}
@Test
public void failureIsNotSuccess() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.isSuccess()).isFalse();
}
@Test
public void getFailureAsFailureReturnsSameInstance() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.asFailureOrThrow()).isSameAs(underTest);
}
@Test
public void getDetailMessageReturnsDetailMessage() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.getDetailMessage()).isEqualTo(DETAIL_MESSAGE);
}
@Test
public void getCommandFromFailureReturnsExpected() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.getCommand()).isEqualTo(command);
}
@Test
public void getCommandResponseFromFailureReturnsExpected() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.getCommandResponse()).isEqualTo(commandResponse);
}
@Test
public void getConnectionIdFromFailureWithCommandResponseWithEmptyHeadersReturnsEmptyOptional() {
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.getConnectionId()).isEmpty();
}
@Test
public void getConnectionIdFromFailureWithCommandResponseWithValidConnectionIdInHeadersReturnsExpected() {
Mockito.when(commandResponse.getDittoHeaders())
.thenReturn(DittoHeaders.newBuilder()
.putHeader(DittoHeaderDefinition.CONNECTION_ID.getKey(), CONNECTION_ID)
.build());
final var underTest = MatchingValidationResult.failure(command, commandResponse, DETAIL_MESSAGE);
assertThat(underTest.getConnectionId()).isEqualTo(Optional.of(CONNECTION_ID));
}
}