/*
    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
    *
    * 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
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
   * 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.smartics.properties.spi.core.context;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.nullValue;
  
  import java.util.Locale;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import de.smartics.testdoc.annotations.Uut;
  
  /**
   * Tests {@link LocaleFinder#calcLocale(String)}.
   */
  public class LocaleFinderCalcLocaleTest
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    // --- members --------------------------------------------------------------
  
    @Uut(method = "calcLocale(String)")
    private LocaleFinder uut;
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- prepare --------------------------------------------------------------
  
    @Before
    public void setUp()
    {
      this.uut = new LocaleFinder();
    }
  
    // --- helper ---------------------------------------------------------------
  
    // --- tests ----------------------------------------------------------------
  
    @Test
    public void returnsNullIfNoLocaleIsProvided()
    {
      final String urlString = "fileName.txt";
      final Locale locale = uut.calcLocale(urlString);
      assertThat(locale, is(nullValue()));
    }
  
    @Test
    public void returnsNullIfNoLocaleIsProvidedWithPath()
    {
      final String urlString = "my/path/fileName.txt";
      final Locale locale = uut.calcLocale(urlString);
      assertThat(locale, is(nullValue()));
    }
  
    @Test
    public void returnsNullIfNoLocaleIsProvidedOnAFileWithNoExtension()
    {
      final String urlString = "fileName";
      final Locale locale = uut.calcLocale(urlString);
      assertThat(locale, is(nullValue()));
    }
  
    @Test
    public void returnsALanguageLocale()
    {
      final String urlString = "fileName_de.txt";
      final Locale locale = uut.calcLocale(urlString);
      assertThat(locale, is(Locale.GERMAN));
    }
  
    @Test
    public void returnsACountryLocale()
    {
      final String urlString = "fileName_de_DE.txt";
      final Locale locale = uut.calcLocale(urlString);
      assertThat(locale, is(Locale.GERMANY));
    }
  
    @Test
   public void returnsVariantLocale()
   {
     final String urlString = "fileName_de_DE_test.txt";
     final Locale locale = uut.calcLocale(urlString);
     assertThat(locale, is(new Locale("de", "DE", "test")));
   }
 
   @Test
   public void returnsRecognizedTheLocaleRelevantPartInAFileName()
   {
     final String urlString = "file_name_de.txt";
     final Locale locale = uut.calcLocale(urlString);
     assertThat(locale, is(Locale.GERMAN));
   }
 
   @Test
   public void returnsRecognizedTheLocaleRelevantPartInAFileNameEvenWithoutExtension()
   {
     final String urlString = "file_name_de";
     final Locale locale = uut.calcLocale(urlString);
     assertThat(locale, is(Locale.GERMAN));
   }
 
   @Test
   public void separatorWithoutLocaleAtEndOfFileName()
   {
     final String urlString = "file_";
     final Locale locale = uut.calcLocale(urlString);
     assertThat(locale, is(nullValue()));
   }
 
   @Test
   public void separatorWithLocaleAtEndOfFileName()
   {
     final String urlString = "fileName_de_DE_test_";
     final Locale locale = uut.calcLocale(urlString);
     assertThat(locale, is(new Locale("de", "DE", "test_")));
   }
 }