SourceTestBase.java

/**
 * Copyright (C) 2013 Tokanagrammar Team
 *
 * This is a jigsaw-like puzzle game,
 * except each piece is token from a source file,
 * and the 'complete picture' is the program.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package edu.umb.cs.source.std;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
import org.junit.Test;
import static org.junit.Assert.*;

/**
 *
 * @author Vy Thao Nguyen
 */
public abstract class SourceTestBase 
{
    abstract void doTest(File expted, File in) throws FileNotFoundException, IOException;
    abstract File getPath();
    
    @Test
    public void test() throws FileNotFoundException, IOException
    {
        // collect all test cases in the test directories
        // (ie., all input and expected files)
        File[] files = getPath().listFiles();
        Arrays.sort(files,
                    new Comparator<File>()
                    {
                        @Override
                        public int compare(File t, File t1)
                        {
                            return t.getName().compareTo(t1.getName());
                        }
                    });

        for (int n = 0; n < files.length; n += 2)
        {
            // input file ends with '.java'
            // expected file ends with '.expected'
            // Hence, input files always come AFTER its expected file
            doTest(files[n], files[n + 1]);
        }
    }
}