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SubscribeFailureTest.java
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SubscribeFailureTest.java
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/*
* Copyright (c) 2022 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.connectivity.service.messaging.mqtt.hivemq.subscribing;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link SubscribeFailure}.
*/
public final class SubscribeFailureTest {
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(SubscribeFailure.class)
.usingGetClass()
.verify();
}
@Test
public void newInstanceWithNullMqttSubscribeExceptionThrowsException() {
assertThatNullPointerException()
.isThrownBy(() -> SubscribeFailure.newInstance(null))
.withMessage("The mqttSubscribeException must not be null!")
.withNoCause();
}
@Test
public void isSuccessReturnsFalse() {
final var underTest = SubscribeFailure.newInstance(new MqttSubscribeException());
assertThat(underTest.isSuccess()).isFalse();
}
@Test
public void isFailureReturnsTrue() {
final var underTest = SubscribeFailure.newInstance(new MqttSubscribeException());
assertThat(underTest.isFailure()).isTrue();
}
@Test
public void getMqttPublishSourceThrowsException() {
final var underTest = SubscribeFailure.newInstance(new MqttSubscribeException());
assertThatIllegalStateException()
.isThrownBy(underTest::getMqttPublishSourceOrThrow)
.withMessage("Failure cannot provide a MQTT Publish Source.")
.withNoCause();
}
@Test
public void getErrorReturnsExpectedError() {
final var mqttSubscribeException = new MqttSubscribeException();
final var underTest = SubscribeFailure.newInstance(mqttSubscribeException);
assertThat(underTest.getErrorOrThrow()).isEqualTo(mqttSubscribeException);
}
}