/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.db.tests.regression.bugs;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.Session;
import org.simantics.db.WriteGraph;
import org.simantics.db.common.request.ReadRequest;
import org.simantics.db.common.request.WriteRequest;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.testing.annotation.Fails;
import org.simantics.db.testing.base.ExistingDatabaseTest;
import org.simantics.db.testing.common.Terminator;

/**
 * Tests that sync read within sync write causes exception.
 * Currently this tests causes deadlock.
 */
public class SyncWriteReadTest1 extends ExistingDatabaseTest {
    final boolean DEBUG = true;
    final String resourceName = "r1";
    
    private Terminator terminator;
    
    @Before
    @Override
    public void setUp() throws Exception {
    	super.setUp();
    	terminator = new Terminator(3);
    }

    @After
    @Override
    public void tearDown() throws Exception {
    	terminator.disarm();
    	super.tearDown();
    }
    
    @Test
    @Fails
    public void testSyncWriteReadTest1() throws Exception {
    	final Session session = getSession();
        try {
            session.syncRequest(new WriteRequest() {
                @Override
                public void perform(WriteGraph graph) throws DatabaseException {
                    try {
                        session.sync(new ReadRequest() {
                            @Override
                            public void run(ReadGraph graph) throws DatabaseException {
                                Resource root = graph.getResource(ROOT_LIBRARY_URI);
                                assertTrue("Failed to get root library.", null == root);
                             }
                        });
                        fail("Missing exception during read request.");
                    } catch (DatabaseException e) {
                        if (DEBUG)
                            System.out.println("Catched DatabaseException as expected.");
                    }
                }
            });
        } catch (DatabaseException e) {
            if (DEBUG)
                System.out.println("Catched DatabaseException as excepected:" + e.getMessage());
            return;
        }
        fail("Sync write failed to throw exception as expected.");
    }
}