/**
 *  '$RCSfile$'
 *  Copyright: 2004 Regents of the University of California and the
 *             National Center for Ecological Analysis and Synthesis
 *
 *   '$Author$'
 *     '$Date$'
 * '$Revision$'
 *
 * 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 2 of the License, or
 * (at your option) 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package edu.ucsb.nceas.metacat.index;

import java.sql.SQLException;
import java.util.Calendar;
import java.util.Set;

import org.dataone.service.types.v1.Event;
import org.dataone.service.types.v1.Identifier;

import edu.ucsb.nceas.MCTestCase;
import edu.ucsb.nceas.metacat.common.index.event.IndexEvent;

/**
 * @author jones
 * 
 *         Test class for the Version class.
 */
public class IndexEventDAOTest extends MCTestCase {

	private IndexEvent event = null;

	/*
	 * @see TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();

		// initialize the event
		event = new IndexEvent();
		event.setAction(Event.CREATE);
		event.setDate(Calendar.getInstance().getTime());
		event.setDescription("Testing DAO");
		Identifier pid = new Identifier();
		pid.setValue("IndexEventDAOTest." + System.currentTimeMillis());
		event.setIdentifier(pid);
	}

	/**
	 * Test saving
	 */
	public void testSave() {
		try {
			// save
			IndexEventDAO.getInstance().add(event);
			// lookup
			IndexEvent savedEvent = IndexEventDAO.getInstance().get(event.getIdentifier());
			// check
			assertEquals(event.getIdentifier(), savedEvent.getIdentifier());
			assertEquals(event.getAction(), savedEvent.getAction());
			assertEquals(event.getDate(), savedEvent.getDate());
			assertEquals(event.getDescription(), savedEvent.getDescription());
		} catch (Exception e) {
			e.printStackTrace();
			fail("Could not save; " + e.getMessage());
		} finally {
			// try to clean up as best we can
			try {
				IndexEventDAO.getInstance().remove(event.getIdentifier());
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}

	/**
	 * Test removing
	 */
	public void testRemove() {
		try {
			// save
			IndexEventDAO.getInstance().add(event);
			// remove
			IndexEventDAO.getInstance().remove(event.getIdentifier());
			// check
			IndexEvent savedEvent = IndexEventDAO.getInstance().get(event.getIdentifier());
			assertNull(savedEvent);

		} catch (Exception e) {
			e.printStackTrace();
			fail("Could not test removal; " + e.getMessage());
		}
	}
	
	/**
	 * Test listing
	 */
	public void testList() {
		try {
			
			// get the count
			Set<Identifier> allIdentifiers = IndexEventDAO.getInstance().getAllIdentifiers();
			int originalSize = allIdentifiers.size();
			
			// get one
			if (allIdentifiers != null && !allIdentifiers.isEmpty()) {
				IndexEvent existingEvent = IndexEventDAO.getInstance().get(allIdentifiers.iterator().next());
				assertNotNull(existingEvent);
			}
			// add one
			IndexEventDAO.getInstance().add(event);
			
			// get the count again
			int newSize = IndexEventDAO.getInstance().getAllIdentifiers().size();
			assertEquals(originalSize+1, newSize);
			
			// clean up
			IndexEventDAO.getInstance().remove(event.getIdentifier());
			

		} catch (Exception e) {
			e.printStackTrace();
			fail("Could not test removal; " + e.getMessage());
		}
	}

}