LocaleHelperTest.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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.
 *
 * Copyright 2005 - 2008 Pentaho Corporation.  All rights reserved.
 *
 * @created Aug 15, 2005 
 * @author James Dixon
 */

package org.pentaho.test.platform.util;

import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

import junit.framework.Assert;
import junit.framework.TestCase;

import org.pentaho.platform.util.messages.LocaleHelper;

public class LocaleHelperTest extends TestCase {

  public void testLocaleHelper() {

    Locale myLocale = Locale.US;
    Locale newLocale = Locale.FRANCE;

    LocaleHelper.setDefaultLocale(myLocale);
    Locale myDefaultLocale = LocaleHelper.getDefaultLocale();
    Assert.assertEquals(myDefaultLocale, myLocale);

    LocaleHelper.setLocale(newLocale);
    Locale myNewLocale = LocaleHelper.getLocale();
    Assert.assertEquals(myNewLocale, newLocale);

    LocaleHelper.setSystemEncoding("UTF8"); //$NON-NLS-1$
    String systemEncoding = LocaleHelper.getSystemEncoding();
    Assert.assertEquals(systemEncoding, "UTF8");//$NON-NLS-1$

    LocaleHelper.setTextDirection("English"); //$NON-NLS-1$
    String textDirection = LocaleHelper.getTextDirection();
    Assert.assertEquals(textDirection, "English");//$NON-NLS-1$

    DateFormat dateFormat = LocaleHelper.getDateFormat(LocaleHelper.FORMAT_MEDIUM, LocaleHelper.FORMAT_MEDIUM);
    String format = dateFormat.format(new Date());
    Assert.assertNotNull(format);

    DateFormat fullDateFormat = LocaleHelper.getFullDateFormat(true, true);
    String format1 = fullDateFormat.format(new Date());
    Assert.assertNotNull(format1);

    DateFormat fullDateFormat1 = LocaleHelper.getFullDateFormat(true, false);
    String format2 = fullDateFormat1.format(new Date());
    Assert.assertNotNull(format2);

    DateFormat fullDateFormat2 = LocaleHelper.getFullDateFormat(false, true);
    String format3 = fullDateFormat2.format(new Date());
    Assert.assertNotNull(format3);

    DateFormat longDateFormat = LocaleHelper.getLongDateFormat(true, true);
    String format4 = longDateFormat.format(new Date());
    Assert.assertNotNull(format4);

    DateFormat longDateFormat1 = LocaleHelper.getLongDateFormat(true, false);
    String format5 = longDateFormat1.format(new Date());
    Assert.assertNotNull(format5);

    DateFormat longDateFormat2 = LocaleHelper.getLongDateFormat(false, true);
    String format6 = longDateFormat2.format(new Date());
    Assert.assertNotNull(format6);

    DateFormat mediumDateFormat = LocaleHelper.getMediumDateFormat(true, true);
    String format7 = mediumDateFormat.format(new Date());
    Assert.assertNotNull(format7);

    DateFormat mediumDateFormat1 = LocaleHelper.getMediumDateFormat(true, false);
    String format8 = mediumDateFormat1.format(new Date());
    Assert.assertNotNull(format8);

    DateFormat mediumDateFormat2 = LocaleHelper.getMediumDateFormat(false, true);
    String format9 = mediumDateFormat2.format(new Date());
    Assert.assertNotNull(format9);

    DateFormat shortDateFormat = LocaleHelper.getShortDateFormat(true, true);
    String format10 = shortDateFormat.format(new Date());
    Assert.assertNotNull(format10);

    DateFormat shortDateFormat1 = LocaleHelper.getMediumDateFormat(true, false);
    String format11 = shortDateFormat1.format(new Date());
    Assert.assertNotNull(format11);

    DateFormat shortDateFormat2 = LocaleHelper.getMediumDateFormat(false, true);
    String format12 = shortDateFormat2.format(new Date());
    Assert.assertNotNull(format12);

  }

  public void testClosestLocale() {
	  
	  // should return the locale passed in
	  String locale = LocaleHelper.getClosestLocale( "en-US", null ); //$NON-NLS-1$
	  assertEquals( "Locale is wrong", "en-US", locale ); //$NON-NLS-1$ //$NON-NLS-2$

	  // should return the locale passed in
	  locale = LocaleHelper.getClosestLocale( "en-US", new String[] {} ); //$NON-NLS-1$
	  assertEquals( "Locale is wrong", "en-US", locale ); //$NON-NLS-1$ //$NON-NLS-2$

	  // should return the first locale in the list
	  locale = LocaleHelper.getClosestLocale( "en-US", new String[] { "fr-FR", "es-ES" } ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	  assertEquals( "Locale is wrong", "fr-FR", locale ); //$NON-NLS-1$ //$NON-NLS-2$

	  // should return the only English variant
	  locale = LocaleHelper.getClosestLocale( "en-US", new String[] { "fr-FR", "es-ES", "en" } ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
	  assertEquals( "Locale is wrong", "en", locale ); //$NON-NLS-1$ //$NON-NLS-2$

	  locale = LocaleHelper.getClosestLocale( "en-US", new String[] { "fr-FR", "es-ES", "en-UK" } ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
	  assertEquals( "Locale is wrong", "en-UK", locale ); //$NON-NLS-1$ //$NON-NLS-2$

	  locale = LocaleHelper.getClosestLocale( "en", new String[] { "fr-FR", "es-ES", "en-UK" } ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
	  assertEquals( "Locale is wrong", "en-UK", locale ); //$NON-NLS-1$ //$NON-NLS-2$

  }
  
  public void testEncoding() {
    LocaleHelper.setSystemEncoding("Shift_JIS");
  }
  
  public static void main(final String[] args) {
    LocaleHelperTest test = new LocaleHelperTest();
    System.err.println("hi!!");
    test.testLocaleHelper();
    test.testEncoding();
    try {

    } finally {
    }
  }

}