package org.eclipse.aether.internal.impl;
   
   /*
    * 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 static org.junit.Assert.*;
  
  import java.io.File;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.eclipse.aether.internal.impl.DefaultFileProcessor;
  import org.eclipse.aether.internal.test.util.TestFileUtils;
  import org.eclipse.aether.spi.io.FileProcessor.ProgressListener;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   */
  public class DefaultFileProcessorTest
  {
  
      private File targetDir;
  
      private DefaultFileProcessor fileProcessor;
  
      @Before
      public void setup()
          throws IOException
      {
          targetDir = TestFileUtils.createTempDir( getClass().getSimpleName() );
          fileProcessor = new DefaultFileProcessor();
      }
  
      @After
      public void teardown()
          throws Exception
      {
          TestFileUtils.deleteFile( targetDir );
          fileProcessor = null;
      }
  
      @Test
      public void testCopy()
          throws IOException
      {
          String data = "testCopy\nasdf";
          File file = TestFileUtils.createTempFile( data );
          File target = new File( targetDir, "testCopy.txt" );
  
          fileProcessor.copy( file, target );
  
          assertEquals( data, TestFileUtils.readString( file ) );
  
          file.delete();
      }
  
      @Test
      public void testOverwrite()
          throws IOException
      {
          String data = "testCopy\nasdf";
          File file = TestFileUtils.createTempFile( data );
  
          for ( int i = 0; i < 5; i++ )
          {
              File target = new File( targetDir, "testCopy.txt" );
              fileProcessor.copy( file, target );
              assertEquals( data, TestFileUtils.readString( file ) );
          }
  
          file.delete();
      }
  
      @Test
      public void testCopyEmptyFile()
          throws IOException
      {
          File file = TestFileUtils.createTempFile( "" );
          File target = new File( targetDir, "testCopyEmptyFile" );
          target.delete();
         fileProcessor.copy( file, target );
         assertTrue( "empty file was not copied", target.exists() && target.length() == 0L );
         target.delete();
     }
 
     @Test
     public void testProgressingChannel()
         throws IOException
     {
         File file = TestFileUtils.createTempFile( "test" );
         File target = new File( targetDir, "testProgressingChannel" );
         target.delete();
         final AtomicInteger progressed = new AtomicInteger();
         ProgressListener listener = new ProgressListener()
         {
             public void progressed( ByteBuffer buffer )
             {
                 progressed.addAndGet( buffer.remaining() );
             }
         };
         fileProcessor.copy( file, target, listener );
         assertTrue( "file was not created", target.isFile() );
         assertEquals( "file was not fully copied", 4L, target.length() );
         assertEquals( "listener not called", 4, progressed.intValue() );
         target.delete();
     }
 
 }