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GenericMqttConnectTest.java
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GenericMqttConnectTest.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.connect;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.time.Duration;
import org.assertj.core.api.Assertions;
import org.eclipse.ditto.connectivity.model.mqtt.IllegalReceiveMaximumValueException;
import org.eclipse.ditto.connectivity.model.mqtt.IllegalSessionExpiryIntervalSecondsException;
import org.eclipse.ditto.connectivity.model.mqtt.ReceiveMaximum;
import org.eclipse.ditto.connectivity.model.mqtt.SessionExpiryInterval;
import org.eclipse.ditto.connectivity.service.messaging.mqtt.IllegalKeepAliveIntervalSecondsException;
import org.eclipse.ditto.connectivity.service.messaging.mqtt.KeepAliveInterval;
import org.junit.Test;
import com.hivemq.client.mqtt.mqtt3.message.connect.Mqtt3Connect;
import com.hivemq.client.mqtt.mqtt5.message.connect.Mqtt5Connect;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link GenericMqttConnect}.
*/
public final class GenericMqttConnectTest {
@Test
public void assertImmutability() {
assertInstancesOf(GenericMqttConnect.class, areImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(GenericMqttConnect.class)
.usingGetClass()
.verify();
}
@Test
public void newInstanceWithNullKeepAliveIntervalThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> GenericMqttConnect.newInstance(true,
null,
SessionExpiryInterval.defaultSessionExpiryInterval(),
ReceiveMaximum.defaultReceiveMaximum()))
.withMessage("The keepAliveInterval must not be null!")
.withNoCause();
}
@Test
public void newInstanceWithNullSessionExpiryIntervalThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> GenericMqttConnect.newInstance(true,
KeepAliveInterval.defaultKeepAlive(),
null,
ReceiveMaximum.defaultReceiveMaximum()))
.withMessage("The sessionExpiryInterval must not be null!")
.withNoCause();
}
@Test
public void newInstanceWithNullReceiveMaximumThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> GenericMqttConnect.newInstance(true,
KeepAliveInterval.defaultKeepAlive(),
SessionExpiryInterval.defaultSessionExpiryInterval(),
null))
.withMessage("The receiveMaximum must not be null!")
.withNoCause();
}
@Test
public void getAsMqtt3ConnectReturnsExpected() throws IllegalKeepAliveIntervalSecondsException {
final var cleanSession = true;
final var keepAliveInterval = KeepAliveInterval.of(Duration.ofSeconds(13L));
final var underTest = GenericMqttConnect.newInstance(cleanSession,
keepAliveInterval,
SessionExpiryInterval.defaultSessionExpiryInterval(),
ReceiveMaximum.defaultReceiveMaximum());
assertThat(underTest.getAsMqtt3Connect())
.isEqualTo(Mqtt3Connect.builder()
.cleanSession(cleanSession)
.keepAlive(keepAliveInterval.getSeconds())
.build());
}
@Test
public void getAsMqtt5ConnectReturnsExpected()
throws IllegalKeepAliveIntervalSecondsException, IllegalSessionExpiryIntervalSecondsException,
IllegalReceiveMaximumValueException {
final var cleanSession = false;
final var keepAliveInterval = KeepAliveInterval.of(Duration.ofSeconds(42L));
final var sessionExpiryInterval = SessionExpiryInterval.of(Duration.ofSeconds(23L));
final var receiveMaximum = ReceiveMaximum.of(35_000);
final var underTest =
GenericMqttConnect.newInstance(cleanSession, keepAliveInterval, sessionExpiryInterval, receiveMaximum);
assertThat(underTest.getAsMqtt5Connect())
.isEqualTo(Mqtt5Connect.builder()
.cleanStart(cleanSession)
.keepAlive(keepAliveInterval.getSeconds())
.sessionExpiryInterval(sessionExpiryInterval.getSeconds())
.restrictions().receiveMaximum(receiveMaximum.getValue()).applyRestrictions()
.build());
}
}