org.commonjava.maven.ext.manip.CliTest.java Source code

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Here is the source code for org.commonjava.maven.ext.manip.CliTest.java

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/*
 * Copyright (C) 2012 Red Hat, Inc. (jcasey@redhat.com)
 *
 * 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.commonjava.maven.ext.manip;

import ch.qos.logback.classic.Level;
import org.apache.commons.lang.reflect.FieldUtils;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.lang.reflect.Method;

import static org.junit.Assert.assertTrue;

public class CliTest {
    @Before
    public void before() {
        final ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory
                .getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
        root.setLevel(Level.OFF);
    }

    @Test
    public void checkTargetMatches() throws Exception {
        Cli c = new Cli();
        File pom1 = new File("/tmp/foobar");
        File settings1 = new File("/tmp/foobarsettings");

        executeMethod(c, "createSession", new Object[] { pom1, settings1 });

        assertTrue("Session file should match",
                pom1.equals(((ManipulationSession) FieldUtils.readField(c, "session", true)).getPom()));
    }

    @Test
    public void checkTargetMatchesWithRun() throws Exception {
        Cli c = new Cli();
        File pom1 = new File("/tmp/foobar");

        executeMethod(c, "run", new Object[] { new String[] { "-f", pom1.toString() } });

        assertTrue("Session file should match",
                pom1.equals(((ManipulationSession) FieldUtils.readField(c, "session", true)).getPom()));
    }

    @Test
    public void checkTargetDefaultMatches() throws Exception {
        Cli c = new Cli();

        executeMethod(c, "run", new Object[] { new String[] {} });

        ManipulationSession session = (ManipulationSession) FieldUtils.readField(c, "session", true);
        File defaultTarget = (File) FieldUtils.readField(c, "target", true);

        assertTrue("Session file should match", defaultTarget.equals(session.getPom()));
    }

    /**
     * Executes a method on an object instance.  The name and parameters of
     * the method are specified.  The method will be executed and the value
     * of it returned, even if the method would have private or protected access.
     */
    private Object executeMethod(Object instance, String name, Object[] params) throws Exception {
        Class c = instance.getClass();

        // Fetch the Class types of all method parameters
        Class[] types = new Class[params.length];

        for (int i = 0; i < params.length; i++)
            types[i] = params[i].getClass();

        Method m = c.getDeclaredMethod(name, types);
        m.setAccessible(true);

        return m.invoke(instance, params);
    }
}