/*  PAT: Persistent Applications Toolkit (patsystem.sf.net)
 *  Copyright (C) 2004, 2005  Tomasz Nazar, nthx at irc dot pl
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Full version of the license is /docs/LICENSE.txt
 */
package org.nthx.pat.tests;

import org.nthx.pat.Pat;
import junit.framework.AssertionFailedError;

/** Tests for "root injecting".
 *  
 *  @version $Id: RootInjectionTest.java 3725 2005-06-09 23:57:03Z nthx $
 *  @author nthx@users.sourceforge.net
 */
public class RootInjectionTest
        extends PatTestCase
{

    public void setUp()
    {
    }


    // ----------------------------------------
    // ---- Tests -----------------------------
    // ----------------------------------------

    /** @@pat.root_injected */
    private static TestRoot rootCandidate;

    public void testRootInjectionIsOk()
    {
        Pat.unload();

        cleanPrevaylersRepo();
        assertEquals("Should be 0 files - clean repo!", 0, getFilesCountInRepo());
        
        TestRoot root = new TestRoot();
        root.newUser("user 1");
        assertEquals("Should be 2 files", 2, getFilesCountInRepo());
        assertEquals("Should be 1 user", 1, root.getUsers().size());


        assertEquals("Should be the same objects",
                root, rootCandidate);
        if (root != rootCandidate)
            throw new AssertionError("Should be the same objects");
    }

    public void testBadUsageOfRootReference()
    {
        Pat.unload();

        cleanPrevaylersRepo();
        assertEquals("Should be 0 files - clean repo!", 0, getFilesCountInRepo());
        
        TestRoot root = new TestRoot();
        root.setUpRootReference(root);
        root.methodWithBadUseOfRootReference("not important");
        assertEquals("Should be 1 user", 1, root.getUsers().size());
        //should pass
        
        //we don't want to take snapshot
        //((Persisteble)root).takeSnapshot();


        Pat.unload();
        try
        {
            root = new TestRoot(); //should fail!
        }catch (AssertionFailedError e)
        {
            throw new AssertionFailedError("Creating root 2nd time should fail.");
        }
        /* Above 'catch' section won't be reached. And it should.
         * But..
         * PAT (Prevayler) catches all exceptions..
         */
    }


    // ----------------------------------------
    // ---- JUnit's stuff ---------------------
    // ----------------------------------------
    public RootInjectionTest(String arg)
    {
        super(arg);
    }
    public static void main(String[] args)
    {
        junit.textui.TestRunner.run(RootInjectionTest.class);
    }

}