de.awtools.config.PropertyHolderTest.java Source code

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Here is the source code for de.awtools.config.PropertyHolderTest.java

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/*
 * $Id: PropertyHolderTest.java 2319 2010-07-30 13:46:58Z andrewinkler $
 * ============================================================================
 * Project awtools-config
 * Copyright (c) 2000-2010 by Andre Winkler. All rights reserved.
 * ============================================================================
 *          GNU LESSER GENERAL PUBLIC LICENSE
 *  TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 *
 *  This library 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 library 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 library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

package de.awtools.config;

import static org.junit.Assert.assertEquals;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.SystemUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Testet das Auslesen der Benutzerkonfiguration.
 *
 * @version $LastChangedRevision: 2319 $ $LastChangedDate: 2010-07-30 15:46:58 +0200 (Fr, 30 Jul 2010) $
 * @author by Andre Winkler, $LastChangedBy: andrewinkler $
 */
public class PropertyHolderTest {

    private File userFile;

    /**
     * Testet das Auslesen der Benutzerkonfiguration aus verschiedenen
     * Dateiquellen.
     *
     * @throws Exception Da ging was schief.
     */
    @Test
    public void testLoadPropertyFiles() throws Exception {
        PropertyHolder config = new PropertyHolder("util-user-home-test.properties",
                "/property-holder-test.properties");
        config.load();

        // "file1" stammt aus der Systemumgebung und berschreibt den Eintrag
        // in der Property Datei im USER_HOME Verzeichnis.
        assertEquals("aus dem System", config.getProperty("file1"));

        // "file2" stammt aus der Property Datei im USER_HOME Verzeichnis.
        assertEquals("Datei2", config.getProperty("file2"));

        // "file2" stammt aus der Property Datei im USER_HOME Verzeichnis.
        assertEquals("Datei3", config.getProperty("file3"));

        // "file4" stammt aus der Property Datei im Klasssenpfad.
        assertEquals("old_file_4", config.getProperty("file4"));

        // "classpathvalue1" stammt aus der Property Datei im Klassenpfad
        // und wird durch die Datei in USER_HOME berschrieben.
        assertEquals("Bin_berschrieben_in_User_Home", config.getProperty("classpathvalue1"));

        // "Aus_dem_System" stammt aus der Systemumgebung.
        assertEquals("Wert aus dem System", config.getProperty("Aus_dem_System"));
    }

    @Before
    public void setUp() throws IOException {
        userFile = new File(SystemUtils.USER_HOME, "util-user-home-test.properties");
        File propertyFile = new File("src/test/resources/de/awtools/config/copy-to-user-home.properties");
        FileUtils.copyFile(propertyFile, userFile);

        System.setProperty("file1", "aus dem System");
        System.setProperty("Aus_dem_System", "Wert aus dem System");
    }

    @After
    public void tearDown() {
        userFile.delete();
    }

}