/* $Id: CheckMain.java 17802 2010-01-11 21:56:42Z linus $
 *****************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    mvw
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 2004-2008 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
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package org.argouml.util;

import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.List;

import junit.framework.Assert;

import org.argouml.application.Main;

/**
 * This class is a helper for testing things connected to the Main class.
 *
 * @author Linus Tolke
 * @stereotype utility
 */
public final class CheckMain {
    /**
     * Constructor.
     */
    private CheckMain() {
    }
    
    /**
     * @param commands a list of string commands, syntax as given on the cli
     */
    public static void doCommand(List commands) {
        Main.performCommands(commands);
    }


    /**
     * Convert a relative filename (from the tests source tree)
     * to an URL.<p>
     *
     * This function have a set of ways to attempt to find the file. If
     * it doesn't succeed, it makes the test case fail.<p>
     *
     * @param filename The name to search for.
     * @return The URL.
     */
    public static File getTestModel(String filename) {
        // This works when running the test from within Eclipse.
        // Apparently Eclipse runs the tests using a class-loader that
        // has the tests Folder among the URL:s.
        URL url = CheckMain.class.getClassLoader().getResource(filename);
        if (url != null) {
            URI uri;
            try {
                uri = url.toURI();
                return new File(uri);
            } catch (URISyntaxException e) {
                Assert.fail("Could not locate the model due to "
                        + "URI syntax problem for " + filename);
            }
        }

        // We have the path provided from the build script.
        String dir = System.getProperty("argouml.tests.dir");
        if (dir != null) {
            return new File(dir, filename);
        }

        Assert.fail("Could not locate the model " + filename);
        return null;
    }
}