package org.apache.maven.plugin.changes;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  import java.io.IOException;
  import java.io.StringWriter;
  import java.io.Writer;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  import junit.framework.TestCase;
  
  import org.apache.maven.plugins.changes.model.Release;
  
  /**
   *
   * @author ltheussl
   */
  public class FeedGeneratorTest
      extends TestCase
  {
      /**
       * Test of isSupportedFeedType method, of class FeedGenerator.
       */
      public void testIsSupportedFeedType()
      {
          final FeedGenerator generator = new FeedGenerator( Locale.ENGLISH );
  
          assertTrue( "rss_0.9 not supported?", generator.isSupportedFeedType( "rss_0.9" ) );
          assertTrue( "rss_0.91N not supported?", generator.isSupportedFeedType( "rss_0.91N" ) );
          assertTrue( "rss_0.91U not supported?", generator.isSupportedFeedType( "rss_0.91U" ) );
          assertTrue( "rss_0.92 not supported?", generator.isSupportedFeedType( "rss_0.92" ) );
          assertTrue( "rss_0.93 not supported?", generator.isSupportedFeedType( "rss_0.93" ) );
          assertTrue( "rss_0.94 not supported?", generator.isSupportedFeedType( "rss_0.94" ) );
          assertTrue( "rss_1.0 not supported?", generator.isSupportedFeedType( "rss_1.0" ) );
          assertTrue( "rss_2.0 not supported?", generator.isSupportedFeedType( "rss_2.0" ) );
          assertTrue( "atom_0.3 not supported?", generator.isSupportedFeedType( "atom_0.3" ) );
          assertTrue( "atom_1.0 not supported?", generator.isSupportedFeedType( "atom_1.0" ) );
  
          assertFalse( generator.isSupportedFeedType( "" ) );
          assertFalse( generator.isSupportedFeedType( null ) );
          assertFalse( generator.isSupportedFeedType( "rss" ) );
      }
  
      /**
       * Test of export method, of class FeedGenerator.
       *
       * @throws Exception if any.
       */
      public void testExport()
          throws Exception
      {
          final FeedGenerator generator = new FeedGenerator( Locale.ENGLISH );
          generator.setAuthor( "author" );
          generator.setTitle( "title" );
          generator.setLink( "url" );
          generator.setDateFormat( null );
  
          Release release = new Release();
          release.setVersion( "1.0" );
          List<Release> releases = new ArrayList<Release>( 1 );
  
          try
          {
              // test with no release: should fail
              generator.export( releases, "rss_0.9", new StringWriter( 512 ) );
              fail( "0 releases not allowed!" );
          }
          catch ( IOException ex )
          {
              assertNotNull( ex );
          }
  
          releases.add( release );
  
          for ( String type: generator.getSupportedFeedTypes() )
          {
              Writer writer = new StringWriter( 512 );
              generator.export( releases, type, writer );
              String result = writer.toString(); // TODO: save for inspection?
             assertNotNull( result );
             assertTrue( result.length() > 0 );
             writer.close();
         }
     }
 }