FTPConnTestResume.cs :  » Network-Clients » edtFTPnet » EnterpriseDT » Net » Ftp » Test » C# / CSharp Open Source

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C# / CSharp Open Source » Network Clients » edtFTPnet 
edtFTPnet » EnterpriseDT » Net » Ftp » Test » FTPConnTestResume.cs
// edtFTPnet
// 
// Copyright (C) 2004 Enterprise Distributed Technologies Ltd
// 
// www.enterprisedt.com
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
// 
// Bug fixes, suggestions and comments should posted on 
// http://www.enterprisedt.com/forums/index.php
// 
// Change Log:
// 
// $Log: FTPConnTestResume.cs,v $
// Revision 1.3  2008-06-17 06:12:13  bruceb
// net cf changes
//
// Revision 1.2  2007-11-22 01:31:48  bruceb
// FTPTransferCancelledException
//
// Revision 1.1  2006/05/03 04:41:02  bruceb
// FTPConnection tests
//
// Revision 1.3  2005/08/04 21:55:46  bruceb
// changes for re-jigged test subdirs
//
// Revision 1.2  2004/11/20 22:38:22  bruceb
//

using System;
using System.IO;
using NUnit.Framework;
using EnterpriseDT.Net.Ftp;

namespace EnterpriseDT.Net.Ftp.Test{
  /// <summary>  
  /// Test resuming of binary transfers when interrupted
  /// </summary>
  /// <author>      Bruce Blackshaw
  /// </author>
  /// <version>     $Revision: 1.3 $
  /// </version>
    [TestFixture]
    [Category("edtFTPnet")]
  public class FTPConnTestResume:FTPConnTestCase
  {
    /// <summary>  
    /// Get name of log file
    /// </summary>
    override internal string LogName
    {
      get
      {
        return "FTPConnTestResume.log";
            }
    }
        
    /// <summary> 
        /// Flag used to determine if a transfer should be cancelled
        /// </summary>
        private bool cancelled = false;
        
        
    /// <summary> 
        /// Logs count of bytes transferred via event
        /// </summary>
      internal void CancelBytesTransferred(object obj, BytesTransferredEventArgs args) 
      {
            if (!cancelled) 
            {
                log.Debug("BytesTransferred: cancelling transfer");
                ftp.CancelTransfer();
                cancelled = true;
            }
      }

        /// <summary>Test resuming when putting a binary file</summary>
        [Test]
    public virtual void ResumePut()
    {
      log.Debug("ResumePut()");
      
            try 
            {
          Connect();
          
          // move to test directory
          ftp.ChangeWorkingDirectory(testdir);
          ftp.TransferType = FTPTransferType.BINARY;
          
          // put to a random filename
          string filename = GenerateRandomFilename();
                
                // set up event handler to cancel the transfer
                cancelled = false;
                BytesTransferredHandler handler = new BytesTransferredHandler(CancelBytesTransferred);
          ftp.BytesTransferred += handler;
                
          // initiate the put
                try
                {
                    ftp.UploadFile(localDataDir + localBinaryFile, filename);
                    Assert.Fail("Should receive cancelled exception");
                }
                catch (FTPTransferCancelledException)
                {
                    log.Debug("Caught expected exception from cancelled transfer");
                }
                
                // remove handler now we've cancelled
          ftp.BytesTransferred -= handler;
                
          // should be cancelled - now resume
          ftp.ResumeTransfer();
          
          // put again - should append
          ftp.UploadFile(localDataDir + localBinaryFile, filename);
          
          // get it back        
          ftp.DownloadFile(localDataDir + filename, filename);
          
          // check equality of local files
          AssertIdentical(localDataDir + localBinaryFile, localDataDir + filename);
          
          // finally, just check cancelResume works
          ftp.CancelResume();
          
          // get it back        
          ftp.DownloadFile(localDataDir + filename, filename);
          
          // delete remote file
          ftp.DeleteFile(filename);
          
          // and delete local file
          FileInfo local = new FileInfo(localDataDir + filename);
                local.Delete();
    
                ftp.Close();
            }
            catch (Exception ex)
            {
                log.Error("ResumePut() failed", ex);
                throw;
            }
    }
    
    /// <summary>Test resuming when putting a binary file</summary>
        [Test]
        public virtual void ResumeGet()
    {
      log.Debug("ResumeGet()");
            try
            {
        Connect();
          
          // move to test directory
          ftp.ChangeWorkingDirectory(testdir);
          ftp.TransferType = FTPTransferType.BINARY;
          
          // put to a random filename
          string filename1 = GenerateRandomFilename();
          
                // set up event handler to cancel the transfer
                cancelled = false;
                BytesTransferredHandler handler = new BytesTransferredHandler(CancelBytesTransferred);
          ftp.BytesTransferred += handler;
          
          // initiate the get
                log.Debug("Getting '" + remoteBinaryFile + "' to '" + filename1 + "'");

                try
                {
                 ftp.DownloadFile(localDataDir + filename1, remoteBinaryFile);
                    Assert.Fail("Should receive cancelled exception");
                }
                catch (FTPTransferCancelledException)
                {
                    log.Debug("Caught expected exception from cancelled transfer");
                }   
 
                // remove handler for next transfer
                ftp.BytesTransferred -= handler;

          // should be cancelled - now resume
          ftp.ResumeTransfer();
          
          // get again - should append
                log.Debug("Resuming '" + remoteBinaryFile + "' to '" + filename1 + "'");
          ftp.DownloadFile(localDataDir + filename1, remoteBinaryFile);
          
          string filename2 = GenerateRandomFilename(); ;
          
          // do another get - complete this time    
          ftp.DownloadFile(localDataDir + filename2, remoteBinaryFile);
          
          // check equality of local files
          AssertIdentical(localDataDir + filename1, localDataDir + filename2);
          
          // and delete local files
          FileInfo local = new FileInfo(localDataDir + filename1);
                local.Delete();
          local = new FileInfo(localDataDir + filename2);
          local.Delete();
          
          ftp.Close();
            }
            catch (Exception ex)
            {
                log.Error("ResumeGet() failed", ex);
                throw;
            }

    }
  }
}
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