// BlogBridge -- RSS feed reader, manager, and web based service
// Copyright (C) 2002-2006 by R. Pito Salas
//
// 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
//
// Contact: R. Pito Salas
// mailto:pitosalas@users.sourceforge.net
// More information: about BlogBridge
// http://www.blogbridge.com
// http://sourceforge.net/projects/blogbridge
//
// $Id: TestFeedDisplayModelConcurrency.java,v 1.1 2007/06/04 11:49:06 spyromus Exp $
//
package com.salas.bb.views.feeds;
import com.salas.bb.domain.DirectFeed;
import com.salas.bb.domain.StandardArticle;
import javax.swing.*;
import java.lang.reflect.InvocationTargetException;
/**
* This suite contains tests for {@link com.salas.bb.views.feeds.FeedDisplayModel} unit.
*/
public class TestFeedDisplayModelConcurrency
extends AbstractFeedDisplayTestCase
{
private FeedDisplayModel model;
private DirectFeed feed1;
private DirectFeed feed2;
private StandardArticle article;
/** Initializes the tests. */
protected void setUp()
throws Exception
{
super.setUp();
model = new FeedDisplayModel();
feed1 = new DirectFeed();
feed2 = new DirectFeed();
article = createArticle(0);
}
public void testConcurrency()
throws InvocationTargetException, InterruptedException
{
// Set a feed
model.setFeed(feed1);
// Now load the EDT with some task
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
try
{
Thread.sleep(500); // should be enough to add an article before the setFeed starts processing
} catch (InterruptedException e)
{
e.printStackTrace();
}
}
});
// Change the feed from EDT
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
model.setFeed(feed2);
}
});
// Add an article to feed1 from non-EDT thread
feed1.appendArticle(article);
// After this the EDT event queue should look like this:
// * Long task -- being executed
// * setFeed(feed2)
// * onArticleAdded(article)
// Join the EDT thread and check the model
SwingUtilities.invokeAndWait(new Runnable()
{
public void run()
{
// Join the EDT thread
}
});
// The model should be empty
assertEquals("The onArticleAdded event should be discarded as it was delivered for the wrong feed.",
0, model.getArticlesCount());
}
}