TransactionManagerTest.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.restcomm.media.control.mgcp.tx;

import java.util.Random;

import org.restcomm.media.control.mgcp.tx.Action;
import org.restcomm.media.control.mgcp.tx.Transaction;
import org.restcomm.media.control.mgcp.tx.TransactionManager;
import org.restcomm.media.scheduler.Clock;
import org.restcomm.media.scheduler.PriorityQueueScheduler;
import org.restcomm.media.scheduler.Scheduler;
import org.restcomm.media.scheduler.ServiceScheduler;
import org.restcomm.media.scheduler.Task;
import org.restcomm.media.scheduler.TaskChain;
import org.restcomm.media.scheduler.WallClock;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;

/**
 *
 * @author yulian oifa
 */
public class TransactionManagerTest {
    
    private Clock clock;
    private Scheduler scheduler;
    private TransactionManager txManager;
    private Action action;
    
    @Before
    public void setUp() {
        clock = new WallClock();
        scheduler = new ServiceScheduler();
        scheduler.start();
        
        txManager = new TransactionManager(clock, scheduler, 3);
        txManager.start();
        
        action = new Action();
        
        TaskChain actionHandler = new TaskChain(2,scheduler);
        actionHandler.add(new MyTask());
        actionHandler.add(new MyTask());
        
        action.setActionHandler(actionHandler);
    }
    
    @After
    public void tearDown() {
        scheduler.stop();
    }

    /**
     * Test of find method, of class TransactionManager.
     */
    @Test
    public void testFind() {
        Transaction tx = txManager.allocateNew(1);
        assertTrue("Transaction not found", tx != null);

        tx = txManager.allocateNew(2);
        assertTrue("Transaction not found", tx != null);
        
        tx = txManager.allocateNew(3);
        assertTrue("Transaction not found", tx != null);
        
        tx = txManager.allocateNew(4);
        assertTrue("Transaction still in pool", tx != null);
    }
    
    @Test
    public void testTermination() {
        Transaction tx = txManager.allocateNew(1);
        assertTrue("Transaction not found", tx != null);        
        assertEquals(2, txManager.remainder());
        
        txManager.terminate(tx);
        
        try
        {
        	Thread.sleep(700);
        }
        catch(InterruptedException e)
        {
        	
        }
        
        assertEquals(3, txManager.remainder());
    }
    
    public void testTransaction(int id) throws InterruptedException {
    	try
    	{    		
    		Transaction tx = txManager.allocateNew(id);
        	tx.process(action);
        	Thread.sleep(700);
        	assertEquals(3, txManager.remainder());
    	}
    	catch(Exception e)
    	{
    		e.printStackTrace();
    	}
    }
    
    @Test
    public void testExecution() throws InterruptedException {    	
    	for (int i = 0; i < 10; i++) {
    		System.out.println("Transaction: Test# " + i);
    		testTransaction(i);
    	}    	
    }

	private class MyTask extends Task {
		private Random rnd = new Random();

		public MyTask() {
			super();
		}

		public int getQueueNumber() {
			return PriorityQueueScheduler.MANAGEMENT_QUEUE;
		}

		@Override
		public long perform() {
			boolean flag = rnd.nextBoolean();
			System.out.println("TXID=" + action.transaction().getId());
			if (flag) {
				throw new IllegalStateException();
			}

			return 0;
		}

	}
}