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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
 *
 * $Id: TestSynchronizable.java,v 1.1 2005/05/11 17:18:50 rjoachim Exp $ 
 */

package ctf.jdo.tc0x;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Properties;

import harness.CastorTestCase;
import harness.TestHarness;

import jdo.JDOCategory;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.PersistenceException;
import org.exolab.castor.jdo.QueryResults;
import org.exolab.castor.util.LocalConfiguration;

public final class TestSynchronizable extends CastorTestCase {
    /**
     * The <a href="http://jakarta.apache.org/commons/logging/">Jakarta
     * Commons Logging</a> instance used for all logging.
     */
    private static final Log LOG = LogFactory.getLog(TestSynchronizable.class);
    
    /**
     * Property listing all the available {@link TxSynchronizable}
     * implementations (<tt>org.exolab.castor.persit.TxSynchronizable</tt>).
     */
    private static final String TX_SYNCHRONIZABLE_PROPERTY = 
        "org.exolab.castor.persist.TxSynchronizable";

    public static ArrayList     _synchronizables = new ArrayList();

    private JDOCategory         _category;
    private Database            _db;
    private String              _oldProperty;

    /**
     * Constructor
     *
     * @param category The test suite for these tests
     */
    public TestSynchronizable(final TestHarness category) {
        super(category, "TC09", "TxSynchronizable interceptor tests");
        _category = ( JDOCategory ) category;
        
        _synchronizables.clear();
    }
    
    /**
     * Get a JDO database
     */
    public void setUp() throws PersistenceException, SQLException {
        LocalConfiguration config = LocalConfiguration.getInstance();
        Properties props = config.getProperties();
        _oldProperty = (String) props.setProperty(
                TX_SYNCHRONIZABLE_PROPERTY, 
                SynchronizableImpl.class.getName());

        _db = _category.getDatabase();
    }

    public void runTest() throws PersistenceException, SQLException {
        _db.begin();
        
        OQLQuery query = _db.getOQLQuery(
                "select o from " + Sample.class.getName() + " o");
        QueryResults result = query.execute();
        while (result.hasMore()) { _db.remove(result.next()); }
        result.close();
        _db.commit();
        
        _synchronizables.clear();
        
        // create a default TestObject
        _db.begin();
        _db.create(new Sample());
        _db.commit();
        
        // update TestObject the first time
        _db.begin();
        Sample st = (Sample) _db.load(Sample.class,
                new Integer(Sample.DEFAULT_ID));
        st.setValue1(Sample.DEFAULT_VALUE_1 + Sample.DEFAULT_VALUE_1);
        st.setValue2(Sample.DEFAULT_VALUE_2 + Sample.DEFAULT_VALUE_2);
        _db.commit();
        
        // update TestObject the second time
        _db.begin();
        Sample lt = (Sample) _db.load(Sample.class,
                new Integer(Sample.DEFAULT_ID));
        lt.setValue1(Sample.DEFAULT_VALUE_1);
        lt.setValue2(Sample.DEFAULT_VALUE_2);
        _db.commit();
        
        // create another default TestObject
        // should fail and rollback
        try {
            _db.begin();
            _db.create(new Sample());
            _db.commit();
        } catch (Exception ex) {
            _db.rollback();
        }

        // remove TestObject
        _db.begin();
        _db.remove(_db.load(Sample.class,
                new Integer(Sample.DEFAULT_ID)));
        _db.commit();
        
        assertTrue("TxSynchronizable should see 5 instead of "
                + _synchronizables.size() + " changes",
                _synchronizables.size() == 5);
        assertTrue("1. change of TxSynchronizable is wrong",
                "created:3 / one / two".equals(_synchronizables.get(0)));
        assertTrue("2. change of TxSynchronizable is wrong",
                "updated:3 / oneone / twotwo".equals(_synchronizables.get(1)));
        assertTrue("3. change of TxSynchronizable is wrong",
                "updated:3 / one / two".equals(_synchronizables.get(2)));
        assertTrue("4. change of TxSynchronizable is wrong",
                "rolledback".equals(_synchronizables.get(3)));
        assertTrue("5. change of TxSynchronizable is wrong",
                "deleted:3 / one / two".equals(_synchronizables.get(4)));
    }

    public void tearDown() throws PersistenceException {
        _synchronizables.clear();
        _db.close();
        
        LocalConfiguration config = LocalConfiguration.getInstance();
        Properties props = config.getProperties();
        if (_oldProperty != null) {
            props.setProperty(TX_SYNCHRONIZABLE_PROPERTY, _oldProperty);
        } else {
            props.remove(TX_SYNCHRONIZABLE_PROPERTY);
        }
    }
}
