com.gettextresourcebundle.GettextResourceBundleControlTest.java Source code

Introduction

Here is the source code for com.gettextresourcebundle.GettextResourceBundleControlTest.java

Source

/**
 * Copyright (c) 2012 Tom Schaible
 * See the file license.txt for copying permission.
 */
package com.gettextresourcebundle;

import static org.junit.Assert.assertEquals;

import java.io.File;
import java.io.IOException;
import java.util.Locale;
import java.util.ResourceBundle;

import org.apache.commons.io.FileUtils;
import org.junit.Test;

import com.gettextresourcebundle.GettextResourceBundleControl;

/**
 * @author Tom Schaible
 * 
 *         Unit tests for GettextResourceBundleControl
 */
public class GettextResourceBundleControlTest {

    /**
     * test that the controls picks up PO files by locale
     * from the classpath
     */
    @Test
    public void testClasspathReads() {
        ResourceBundle en_US = ResourceBundle.getBundle("locale", Locale.US,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_US for the en_US locale", en_US.getString("locale"), "en_US");

        ResourceBundle en_CA = ResourceBundle.getBundle("locale", Locale.CANADA,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_CA for the en_CA locale", en_CA.getString("locale"), "en_CA");
    }

    /**
     * test that the controls picks up PO files by locale
     * from the filesystem
     */
    @Test
    public void testFileReads() {
        ResourceBundle en_US = ResourceBundle.getBundle("./src/test/resources/locale", Locale.US,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_US for the en_US locale", en_US.getString("locale"), "en_US");

        ResourceBundle en_CA = ResourceBundle.getBundle("./src/test/resources/locale", Locale.CANADA,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_CA for the en_CA locale", en_CA.getString("locale"), "en_CA");
    }

    /**
     * test that PO files loaded from the file system will reload after 
     * cache timeout occurs and modified dates are different
     * @throws IOException
     */
    @Test
    public void testFileReloads() throws IOException {
        File localeDirectory = new File("./src/test/resources/locale");
        File localeNewDirectory = new File("./src/test/resources/localeNew");
        File targetDirectory = new File("./target/testLocales");
        targetDirectory.mkdirs();

        //unit test with 5 second cache time
        final long cacheTTL = 5 * 1000l;
        GettextResourceBundleControl.setCacheTTL(cacheTTL);

        FileUtils.copyDirectory(localeDirectory, targetDirectory, false);

        ResourceBundle en_US = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.US,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_US for the en_US locale", "en_US", en_US.getString("locale"));

        ResourceBundle en_CA = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.CANADA,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_CA for the en_CA locale", "en_CA", en_CA.getString("locale"));

        FileUtils.copyDirectory(localeNewDirectory, targetDirectory, false);

        en_US = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.US,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_US for the en_US locale before cache expiry", "en_US",
                en_US.getString("locale"));

        en_CA = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.CANADA,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_CA for the en_CA locale before cache expiry", "en_CA",
                en_CA.getString("locale"));

        //wait until cacheTTL passes so that cache expires
        long end = System.currentTimeMillis() + (cacheTTL);
        while (end > System.currentTimeMillis()) {
            try {
                Thread.sleep(end - System.currentTimeMillis());
            } catch (InterruptedException e) {

            }
        }

        en_US = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.US,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_US #2 for the en_US locale before cache expiry", "en_US #2",
                en_US.getString("locale"));

        en_CA = ResourceBundle.getBundle(targetDirectory.getAbsolutePath(), Locale.CANADA,
                GettextResourceBundleControl.getControl("test"));
        assertEquals("The locale key should be en_CA #2 for the en_CA locale before cache expiry", "en_CA #2",
                en_CA.getString("locale"));
    }
}