/*  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;

/** Whether recursive transactions (commands) work with PAT.
 *  
 *  @version $Id: RecursiveTransactionsTest.java 3725 2005-06-09 23:57:03Z nthx $
 *  @author nthx@users.sourceforge.net
 */
public class RecursiveTransactionsTest
        extends PatTestCase
{

    public void setUp()
    {
    }


    // ----------------------------------------
    // ---- Tests -----------------------------
    // ----------------------------------------
    public void testDepositMoney()
    {
        Pat.unload();

        cleanPrevaylersRepo();
        assertEquals("Should be 0 files - clean repo", 0, getFilesCountInRepo()); 

        Bank bank = new Bank();
        assertEquals("Should be 1 file - clean snapshot", 1, getFilesCountInRepo());
        assertEquals("Should be 0 $A", 0, bank.accountA);
        assertEquals("Should be 0 $B", 100L, bank.accountB);

        bank.depositA(20L);
        assertEquals("Should be 2 files - snap,log", 2, getFilesCountInRepo());
        assertEquals("Should be 20L $A", 20L, bank.accountA);
        assertEquals("Should be 100L $B", 100L, bank.accountB);


        Pat.unload();
        bank = new Bank();
        assertEquals("Should be 20L $A", 20L, bank.accountA);
        assertEquals("Should be 100L $B", 100L, bank.accountB);
    }

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

        cleanPrevaylersRepo();
        assertEquals("Should be 0 files - clean repo", 0, getFilesCountInRepo()); 

        Bank bank = new Bank();
        assertEquals("Should be 1 file - clean snapshot", 1, getFilesCountInRepo());
        assertEquals("Should be 0 $A", 0, bank.accountA);
        assertEquals("Should be 0 $B", 100L, bank.accountB);

        bank.transfer(30L);
        assertEquals("Should be 2 files - snap,log", 2, getFilesCountInRepo());
        assertEquals("Should be 20L $A", 30L, bank.accountA);
        assertEquals("Should be 70L $B", 70L, bank.accountB);


        Pat.unload();
        bank = new Bank();
        assertEquals("Should be 20L $A", 30L, bank.accountA);
        assertEquals("Should be 70L $B", 70L, bank.accountB);
    }

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

        cleanPrevaylersRepo();
        assertEquals("Should be 0 files - clean repo", 0, getFilesCountInRepo()); 

        Bank bank = new Bank();
        assertEquals("Should be 1 file - clean snapshot", 1, getFilesCountInRepo());
        assertEquals("Should be 0 $A", 0, bank.accountA);
        assertEquals("Should be 0 $B", 100L, bank.accountB);

        try{
            bank.transferWithBreakInside(30L);
            throw new AssertionError("Transaction should fail");
        }catch(Exception e){
            logTest.debug("Transaction failed. Should rollback..");
        }


        //Pat.unload();
        //bank = new Bank();
        //assertEquals("Should be 0L $A", 0L, bank.accountA);
        //assertEquals("Should be 100L $B", 100L, bank.accountB);
        //XXX: come back here...
    }




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