package org.apache.archiva.transaction;
   
   /*
    * 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 org.apache.commons.io.FileUtils;
  import org.apache.archiva.common.utils.FileUtil;
  
  import java.io.File;
  import java.io.IOException;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   */
  public class CopyFileEventTest
      extends AbstractFileEventTest
  {
      private File testDir = new File( FileUtil.getBasedir(), "target/transaction-tests/copy-file" );
  
      private File testDest = new File( testDir, "test-file.txt" );
  
      private File testSource = new File( FileUtil.getBasedir(), "target/transaction-tests/test-file.txt" );
  
      private File testDestChecksum;
  
      private String source, oldChecksum;
  
      @Override
      @Before
      public void setUp()
          throws Exception
      {
          super.setUp();
  
          testSource.getParentFile().mkdirs();
  
          testSource.createNewFile();
  
          writeFile( testSource, "source contents" );
  
          testDestChecksum = new File( testDest.getPath() + ".sha1" );
  
          testDestChecksum.getParentFile().mkdirs();
  
          testDestChecksum.createNewFile();
  
          writeFile( testDestChecksum, "this is the checksum" );
  
          assertTrue( "Test if the source exists", testSource.exists() );
  
          assertTrue( "Test if the destination checksum exists", testDestChecksum.exists() );
  
          source = readFile( testSource );
  
          oldChecksum = readFile( testDestChecksum );
      }
      
      @Test
      public void testCopyCommitRollback()
          throws Exception
      {
          CopyFileEvent event = new CopyFileEvent( testSource, testDest, digesters );
  
          assertFalse( "Test that the destination is not yet created", testDest.exists() );
  
          event.commit();
  
          assertTrue( "Test that the destination is created", testDest.exists() );
  
          assertChecksumCommit( testDest );
  
          String target = readFile( testDest );
  
          assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
  
          event.rollback();
  
          assertFalse( "Test that the destination file has been deleted", testDest.exists() );
  
          assertChecksumRollback( testDest );
      }
 
     @Test
     public void testCopyCommitRollbackWithBackup()
         throws Exception
     {
         testDest.getParentFile().mkdirs();
 
         testDest.createNewFile();
 
         writeFile( testDest, "overwritten contents" );
 
         assertTrue( "Test that the destination exists", testDest.exists() );
 
         CopyFileEvent event = new CopyFileEvent( testSource, testDest, digesters );
 
         String target = readFile( testDest );
 
         assertTrue( "Test that the destination contents have not changed", target.equals( "overwritten contents" ) );
 
         event.commit();
 
         target = readFile( testDest );
 
         assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
 
         assertChecksumCommit( testDest );
 
         event.rollback();
 
         target = readFile( testDest );
 
         assertTrue( "Test the destination file contents have been restored", target.equals( "overwritten contents" ) );
 
         assertChecksumRollback( testDest );
     }
 
     @Test
     public void testCreateRollbackCommit()
         throws Exception
     {
         CopyFileEvent event = new CopyFileEvent( testSource, testDest, digesters );
 
         assertFalse( "Test that the destination is not yet created", testDest.exists() );
 
         event.rollback();
 
         assertFalse( "Test that the destination file is not yet created", testDest.exists() );
 
         event.commit();
 
         assertTrue( "Test that the destination is created", testDest.exists() );
 
         assertChecksumCommit( testDest );
 
         String target = readFile( testDest );
 
         assertTrue( "Test that the destination contents are copied correctly", source.equals( target ) );
     }
 
     @After    
     @Override
     public void tearDown()
         throws Exception
     {
         super.tearDown();
 
         FileUtils.deleteDirectory( new File( FileUtil.getBasedir(), "target/transaction-tests" ) );
     }
 
     @Override
     protected void assertChecksumCommit( File file )
         throws IOException
     {
         super.assertChecksumCommit( file );
 
         String target = readFile( testDestChecksum );
 
         assertFalse( "Test that the destination checksum contents are created correctly", oldChecksum.equals( target ) );
     }
 
     @Override
     protected void assertChecksumRollback( File file )
         throws IOException
     {
         assertChecksumDoesNotExist( file, "md5" );
         assertChecksumExists( file, "sha1" );
 
         String target = readFile( testDestChecksum );
 
         assertEquals( "Test that the destination checksum contents are reverted correctly", oldChecksum, target );
     }
 }