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GenericMqttSubAckTest.java
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GenericMqttSubAckTest.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.message.subscribe;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.assumingFields;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.util.List;
import org.assertj.core.api.Assertions;
import org.junit.Test;
import org.mockito.Mockito;
import com.hivemq.client.mqtt.mqtt3.message.subscribe.suback.Mqtt3SubAck;
import com.hivemq.client.mqtt.mqtt3.message.subscribe.suback.Mqtt3SubAckReturnCode;
import com.hivemq.client.mqtt.mqtt5.message.subscribe.suback.Mqtt5SubAck;
import com.hivemq.client.mqtt.mqtt5.message.subscribe.suback.Mqtt5SubAckReasonCode;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link GenericMqttSubAck}.
*/
public final class GenericMqttSubAckTest {
@Test
public void assertImmutability() {
assertInstancesOf(GenericMqttSubAck.class,
areImmutable(),
assumingFields("genericMqttSubAckStatuses").areSafelyCopiedUnmodifiableCollectionsWithImmutableElements());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(GenericMqttSubAck.class)
.usingGetClass()
.verify();
}
@Test
public void ofMqtt3SubAckWithNullMqtt3SubAckThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> GenericMqttSubAck.ofMqtt3SubAck(null))
.withMessage("The mqtt3SubAck must not be null!")
.withNoCause();
}
@Test
public void ofMqtt3SubAckReturnsExpectedInstance() {
final var mqtt3SubAck = Mockito.mock(Mqtt3SubAck.class);
final var mqtt3SubAckReturnCodes = List.of(Mqtt3SubAckReturnCode.values());
Mockito.when(mqtt3SubAck.getReturnCodes()).thenReturn(mqtt3SubAckReturnCodes);
final var underTest = GenericMqttSubAck.ofMqtt3SubAck(mqtt3SubAck);
assertThat(underTest.getGenericMqttSubAckStatuses())
.hasSameElementsAs(mqtt3SubAckReturnCodes.stream()
.map(GenericMqttSubAckStatus::ofMqtt3SubAckReturnCode)
.toList());
}
@Test
public void ofMqtt5SubAckWithNullMqtt5SubAckThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> GenericMqttSubAck.ofMqtt5SubAck(null))
.withMessage("The mqtt5SubAck must not be null!")
.withNoCause();
}
@Test
public void ofMqtt5SubAckReturnsExpectedInstance() {
final var mqtt5SubAck = Mockito.mock(Mqtt5SubAck.class);
final var mqtt5SubAckReasonCodes = List.of(Mqtt5SubAckReasonCode.values());
Mockito.when(mqtt5SubAck.getReasonCodes()).thenReturn(mqtt5SubAckReasonCodes);
final var underTest = GenericMqttSubAck.ofMqtt5SubAck(mqtt5SubAck);
assertThat(underTest.getGenericMqttSubAckStatuses())
.hasSameElementsAs(mqtt5SubAckReasonCodes.stream()
.map(GenericMqttSubAckStatus::ofMqtt5SubAckReasonCode)
.toList());
}
}