/**
    * Copyright 2011, Aiki IT, FotoRenamer
    * <p/>
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * <p/>
    * http://www.apache.org/licenses/LICENSE-2.0
    * <p/>
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package de.aikiit.fotorenamer.util;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Locale;
  
  import static de.aikiit.fotorenamer.util.LocalizationHelper.*;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Testing resource bundling.
   *
   * @author hirsch
   * @version 23.08.11
   */
  public class LocalizationHelperTest {
  
      /**
       * Retrieve a plain i18n-value.
       */
      @Test
      void checkValueRetrievingFromBundle() {
          assertEquals("Fortschritt", getBundleString("fotorenamer.ui.progress"));
      }
  
      /**
       * Retrieve a i18n-value with parameters set.
       */
      @SuppressWarnings("RedundantArrayCreation")
      @Test
      void checkParametrizedValueExtraction() {
          assertEquals("Erfolg und dann folgt noch die 7", getParameterizedBundleString("fotorenamer.test.param",
                  "Erfolg", 7));
          // ignore warning, we want to test what happens here! An empty String or null changes the output.
          assertEquals("{0} und dann folgt noch die {1}", getParameterizedBundleString("fotorenamer.test.param",
                  new Object[]{}));
      }
  
      @Test
      void fallbackLocale() {
          // WHEN: reset system properties
          System.setProperty("user.language", "");
          System.setProperty("user.country", "");
          setLocale();
  
          assertEquals(Locale.GERMANY, getLocale());
          assertEquals("de", getLanguage());
      }
  
      @Test
      void setLocaleViaSystemProperties() {
          // WHEN: reset system properties
          final String french = "fr";
          System.setProperty("user.language", french);
          System.setProperty("user.country", "CA");
          setLocale();
  
          assertEquals(Locale.CANADA_FRENCH, getLocale());
          assertEquals(french, getLanguage());
      }
  
      @Test
      void umlautEncodingWorksCorrectly() {
          assertEquals("ßäü", getBundleString("fotorenamer.test.umlauts"));
      }
  
      @Test
      void unknownKey() {
          String unknown = "abcde.unknown";
          assertEquals(unknown, getBundleString(unknown));
      }
  }