MockitoRule.java

/*
 * Copyright 2012 Atteo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.atteo.moonshine.tests;

import org.junit.rules.MethodRule;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

/**
 * Executes {@link MockitoAnnotations#initMocks} and {@link Mockito#validateMockitoUsage()}.
 * <p>
 * Usage:
 * <pre>
 * class Test {
 *     @Rule
 *     private MockitoRule mockitoRule = new MockitoRule();
 * }
 * </pre>
 * </p>
 */
public class MockitoRule implements MethodRule {
	@Override
	public Statement apply(final Statement base, FrameworkMethod method, final Object target) {
		return new Statement() {
			@Override
			public void evaluate() throws Throwable {
				MockitoAnnotations.initMocks(target);
				base.evaluate();
				Mockito.validateMockitoUsage();
			}
		};
	}
}