/*
 * Copyright 2012, 2013 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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, or (at your
 * option) any later version.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.common.config;

import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;
import java.util.Properties;

import junit.framework.Assert;

import org.junit.After;
import org.junit.Test;

public class ConfigurationTest {
    
    @After
    public void tearDown() {
        // remove THERMOSTAT_HOME system property for a clean slate
        Properties props = System.getProperties();
        Properties newProps = new Properties();
        for (Object key: props.keySet()) {
            if (!key.equals("THERMOSTAT_HOME")) {
                newProps.put(key, props.get(key));
            }
        }
        System.setProperties(newProps);
    }

    @Test
    public void testLocations() throws InvalidConfigurationException, IOException {
        String thermostatHome = "/tmp/";
        System.setProperty("THERMOSTAT_HOME", thermostatHome);
        
        char s = File.separatorChar;

        Configuration config = new Configuration();

        Assert.assertEquals(thermostatHome, config.getThermostatHome());

        Assert.assertEquals(thermostatHome + "agent" + s + "agent.properties",
                            config.getAgentConfigurationFile().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "agent" + s + "agent.auth",
                                    config.getAgentAuthConfigFile().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "storage", config.getStorageBaseDirectory().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "storage" + s + "db.properties",
                            config.getStorageConfigurationFile().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "storage" + s + "db",
                config.getStorageDirectory().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "storage" + s + "logs" + s + "db.log",
                config.getStorageLogFile().getCanonicalPath());
        Assert.assertEquals(thermostatHome + "storage" + s + "run" + s + "db.pid",
                config.getStoragePidFile().getCanonicalPath());

    }
    
    @Test
    public void instantiationThrowsException() {
        try {
            new Configuration();
            // The web archive uses this. See WebStorageEndPoint#init();
            fail("Should have thrown InvalidConfigurationException");
        } catch (InvalidConfigurationException e) {
            // pass
        }
    }
}