package org.codehaus.mojo.javascript;
   
   /*
    * Copyright 2001-2005 The Apache Software Foundation.
    *
    * 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.
   */
  
  import java.io.File;
  import java.io.FilenameFilter;
  
  import org.apache.maven.plugin.Mojo;
  import org.apache.maven.plugin.testing.AbstractMojoTestCase;
  import org.codehaus.plexus.util.FileUtils;
  
  public class CompressMojoTest
      extends AbstractMojoTestCase
  {
      public void testAttachCompressedScriptaculous()
          throws Exception
      {
          File testPom1 = new File( getBasedir(), "src/test/resources/compress.pom" );
          File testPom2 = new File( getBasedir(), "src/test/resources/attach-compressed.pom" );
          Mojo mojo1 = (Mojo) lookupMojo( "compress", testPom1 );
          Mojo mojo2 = (Mojo) lookupMojo( "attach-compressed", testPom2 );
          assertNotNull( "Failed to configure the plugin (compress)", mojo1 );
          assertNotNull( "Failed to configure the plugin (attach)", mojo2 );
   
          mojo1.execute();
          mojo2.execute();
  
          File[] js = getScripts( "./src/test/resources/scripts" );
          long size = 0;
          for ( int i = 0; i < js.length; i++ )
          {
              size += js[i].length();
          }
  
          File expected =
              new File( "./target/test-target/attach-compressed/scriptaculous-1.7-compressed.jar" );
          assertTrue( "expected file not found " + expected, expected.exists() );
          assertTrue( "no compression occured", expected.length() < size );
      }
  
      public void testCompressScriptaculous()
          throws Exception
      {
          File target = new File( "target/test-target/war-compress" );
          target.mkdirs();
          FileUtils.cleanDirectory( target );
          FileUtils.copyDirectory( new File( "src/test/resources/scripts" ), target );
  
          File testPom = new File( getBasedir(), "/target/test-classes/war-compress.pom" );
          Mojo mojo = (Mojo) lookupMojo( "war-compress", testPom );
          assertNotNull( "Failed to configure the plugin", mojo );
  
          mojo.execute();
  
          File[] js = getScripts( "./src/test/resources/scripts" );
          for ( int i = 0; i < js.length; i++ )
          {
              File expected = new File( target, js[i].getName().replace( ".js", "-compressed.js" ) );
              assertTrue( "expected file not found " + expected.getName(), expected.exists() );
              assertTrue( "no compression occured on " + expected.getName(),
                  expected.length() < js[i].length() );
          }
      }
  
      public void testZeroLengthInput()
          throws Exception
      {
          File target = new File( "target/test-target/compress-zero-length" );
          target.mkdirs();
          FileUtils.cleanDirectory( target );
          FileUtils.copyDirectory( new File( "src/test/resources/zero-length" ), target );
  
          File testPom = new File( getBasedir(), "/target/test-classes/compress-zero-length.pom" );
          Mojo mojo = (Mojo) lookupMojo( "war-compress", testPom );
          assertNotNull( "Failed to configure the plugin", mojo );
  
          mojo.execute();
  
          File[] js = getScripts( "./src/test/resources/zero-length" );
          for ( int i = 0; i < js.length; i++ )
          {
              File expected = new File( target, js[i].getName().replace( ".js", "-min.js" ) );
              assertTrue( "expected file not found " + expected.getName(), expected.exists() );
          }
      }
 
     private File[] getScripts( String path )
     {
         File[] js = new File( path ).listFiles( new FilenameFilter()
         {
             public boolean accept( File dir, String name )
             {
                 return name.endsWith( ".js" );
             }
         } );
         return js;
     }
 }