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CallbacksTest.java
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CallbacksTest.java
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/*******************************************************************************
* Copyright (c) 2017, 2022 Eurotech and/or its affiliates and others
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Eurotech - initial API and implementation
*******************************************************************************/
package org.eclipse.kapua.client.gateway.mqtt.fuse.internal;
import org.eclipse.kapua.qa.markers.junit.JUnitTests;
import org.fusesource.mqtt.client.Callback;
import org.junit.Assert;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.util.concurrent.CompletableFuture;
@Category(JUnitTests.class)
public class CallbacksTest {
@Test
public void callbacksTest() throws IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchMethodException {
Constructor<Callbacks> constructor = Callbacks.class.getDeclaredConstructor();
Assert.assertTrue(Modifier.isPrivate(constructor.getModifiers()));
constructor.setAccessible(true);
constructor.newInstance();
}
@Test
public void asCallbackTest() {
final CompletableFuture<Object> future = Mockito.mock(CompletableFuture.class);
Throwable value = Mockito.mock(Throwable.class);
Callback<Object> callbacks = Callbacks.asCallback(future);
callbacks.onSuccess(future);
callbacks.onFailure(value);
Mockito.verify(future).complete(future);
Mockito.verify(future).completeExceptionally(value);
}
@Test(expected = NullPointerException.class)
public void asCallbackFutureNullTest() {
Callback<Object> callbacks = Callbacks.asCallback(null);
callbacks.onSuccess(null);
}
@Test
public void asCallbackThrowableNullTest() {
final CompletableFuture<Object> future = Mockito.mock(CompletableFuture.class);
Callback<Object> callbacks = Callbacks.asCallback(future);
callbacks.onSuccess(future);
callbacks.onFailure(null);
Mockito.verify(future).complete(future);
Mockito.verify(future).completeExceptionally(null);
}
}