SshTest.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2007-2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) 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 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) 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 OpenNMS(R).  If not, see:
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 *
 * For more information contact:
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package org.opennms.netmgt.protocols;

import java.net.InetAddress;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import junit.framework.TestCase;

import org.opennms.core.utils.InetAddressUtils;
import org.opennms.core.utils.TimeoutTracker;
import org.opennms.netmgt.protocols.ssh.Ssh;

/**
 * 
 * @author <a href="mailto:brozow@opennms.org">Mathew Brozowski</a>
 * @author <a href="mailto:ranger@opennms.org">Ben Reed</a>
 */
public class SshTest extends TestCase {
    InetAddress good;
    private static final InetAddress bad = InetAddressUtils.UNPINGABLE_ADDRESS;

    private static final String GOOD_HOST = "localhost";
    private static final int PORT = 22;
    private static final int TIMEOUT = 2000;
    private TimeoutTracker tt;
    Ssh ssh;
    
    public void setUp() throws Exception {
        Map<String, String> parameters = new HashMap<String,String>();
        parameters.put("retries", "0");
        parameters.put("port", "22");
        parameters.put("timeout", Integer.toString(TIMEOUT));
        
        tt = new TimeoutTracker(parameters, 0, TIMEOUT);
        ssh = new Ssh();
        ssh.setPort(PORT);
        ssh.setTimeout(TIMEOUT);

        good = InetAddressUtils.addr(GOOD_HOST);
    }
    
    public void testSshGood() throws Exception {
        ssh.setAddress(good);
        assertTrue(ssh.poll(tt).isAvailable());
    }
    
    public void testSshBad() throws Exception {
        Date start = new Date();
        ssh.setAddress(bad);
        assertFalse(ssh.poll(tt).isAvailable());
        Date end = new Date();

        // give it 2.5 seconds to time out
        assertTrue(end.getTime() - start.getTime() < 2500);
    }
    
}