MessagesTest.java

/*
 * The MIT License
 *
 * Copyright (c) 2016 CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

package jenkins.branch;

import java.lang.reflect.Method;
import org.junit.Test;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;

import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;

/**
 * The code coverage for the generated Messages class doesn't matter, so this test stops them from dragging the coverage
 * down and results in a clearer measure of code coverage for the module.
 */
@RunWith(Theories.class)
public class MessagesTest {
    @DataPoints
    public static Method[] hack() {
        return Messages.class.getDeclaredMethods();
    }

    @Theory
    public void coverage(Method method) throws Exception {
        Class<?>[] types = method.getParameterTypes();
        Object[] args = new Object[types.length];
        for (int i = 0; i < types.length; i++) {
            args[i] = (long) i; // long works as a number, string and date
        }
        assertThat(method.invoke(null, args), notNullValue());
    }

    @Test
    public void constructor() throws Exception {
        new Messages();
    }
}