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MqttConnectionTypeValidatorTest.java
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MqttConnectionTypeValidatorTest.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.client;
import static org.assertj.core.api.Assertions.assertThatCode;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.assertj.core.api.Assertions;
import org.eclipse.ditto.connectivity.model.Connection;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.connectivity.model.ConnectionType;
import org.junit.Test;
import org.junit.experimental.runners.Enclosed;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.mockito.Mockito;
/**
* Unit test for {@link MqttConnectionTypeValidator}.
*/
@RunWith(Enclosed.class)
public final class MqttConnectionTypeValidatorTest {
public static final class GeneralFunctionalityTest {
@Test
public void assertImmutability() {
assertInstancesOf(MqttConnectionTypeValidator.class, areImmutable());
}
@Test
public void assertThatMqttConnectionTypeWithNullConnectionThrowsException() {
Assertions.assertThatNullPointerException()
.isThrownBy(() -> MqttConnectionTypeValidator.assertThatMqttConnectionType(null))
.withMessage("The mqttConnection must not be null!")
.withNoCause();
}
}
@RunWith(Parameterized.class)
public static final class ParameterizedTest {
private static final ConnectionId CONNECTION_ID = ConnectionId.generateRandom();
@Parameterized.Parameter
public ConnectionType connectionType;
@Parameterized.Parameters(name = "{0}")
public static ConnectionType[] parameters() {
return ConnectionType.values();
}
@Test
public void assertThatMqttConnectionTypeWorksAsExpected() {
final var connection = Mockito.mock(Connection.class);
Mockito.when(connection.getConnectionType()).thenReturn(connectionType);
Mockito.when(connection.getId()).thenReturn(CONNECTION_ID);
if (isMqttType()) {
assertThatCode(() -> MqttConnectionTypeValidator.assertThatMqttConnectionType(connection))
.doesNotThrowAnyException();
} else {
assertThatExceptionOfType(NoMqttConnectionException.class)
.isThrownBy(() -> MqttConnectionTypeValidator.assertThatMqttConnectionType(connection))
.withMessage("Expected type of connection <%s> to be one of %s but it was <%s>.",
CONNECTION_ID,
MqttConnectionTypeValidator.MQTT_CONNECTION_TYPES,
connectionType)
.withNoCause();
}
}
private boolean isMqttType() {
return MqttConnectionTypeValidator.MQTT_CONNECTION_TYPES.contains(connectionType);
}
}
}