public void If_File_Size_Is_Not_Multitude_Of_Block_Size_Then_Last_Block_Should_Be_Smaller_Then_Others()
{
var maxSize = Downloads.MaxBlockSize ?? 2048;
//upload a file that consists of a total of 5.5 (6) blocks
File.WriteAllBytes(Context.DownloadFile0Template.FullName, new byte[maxSize * 5 + maxSize / 2]);
Context.DownloadFile0Template.Refresh();
SourceFile = Context.DownloadFolder.AddFile(Context.DownloadFile0Template.FullName, "multiple.bin", false);
Downloads.CancelTransfer(Token.TransferId, AbortReason.ClientAbort);
Token = Downloads.RequestDownloadToken(SourceFileInfo.FullName, false, maxSize);
Assert.AreEqual(maxSize, Token.DownloadBlockSize);
Assert.AreEqual(6, Token.TotalBlockCount);
List <BufferedDataBlock> blockList = new List <BufferedDataBlock>();
int blockNumber = 0;
while (true)
{
BufferedDataBlock block = Downloads.ReadBlock(Token.TransferId, blockNumber++);
blockList.Add(block);
if (block.IsLastBlock)
{
break;
}
}
Assert.AreEqual(6, blockList.Count);
Assert.AreEqual(maxSize / 2, blockList[5].BlockLength);
}
/// <summary>
/// Cancels the current download, if the <see cref="Token"/>
/// is set, and resets the <see cref="SystemTime"/>.
/// </summary>
protected override void CleanupInternal()
{
if (Token != null)
{
if (Downloads.GetTransferStatus(Token.TransferId) != TransferStatus.UnknownTransfer)
{
Downloads.CancelTransfer(Token.TransferId, AbortReason.Undefined);
}
}
SystemTime.Reset();
base.CleanupInternal();
}
public void Token_Should_Calculate_MD5_File_Hash_If_Explicitly_Requested()
{
//cancel old download
Assert.IsNullOrEmpty(Token.Md5FileHash);
Downloads.CancelTransfer(Token.TransferId, AbortReason.ClientAbort);
//get new token with hash
Token = Downloads.RequestDownloadToken(Token.ResourceIdentifier, true);
Assert.IsNotEmpty(Token.Md5FileHash);
var hash = Context.DownloadFile0Template.CalculateMd5Hash();
StringAssert.AreEqualIgnoringCase(hash, Token.Md5FileHash);
}
public void Aborted_Transfer_Should_Unlock_Immediately()
{
//behind the scenes, many blocks are read, independent of the buffer size. Accordingly,
//the transfer will abort as soon as we want it
string resourceId = SourceFileInfo.FullName;
var token = InitToken();
using (Stream stream = Downloads.DownloadFile(token.TransferId))
{
byte[] buffer = new byte[1234];
stream.Read(buffer, 0, buffer.Length);
int r = stream.Read(buffer, 1000, 234);
Assert.AreEqual(234, r);
//abort the transfer
Downloads.CancelTransfer(token.TransferId, AbortReason.ClientAbort);
//try to get upload token
var ut = FileSystem.UploadTransfers.RequestUploadToken(resourceId, true, 1000, "");
FileSystem.UploadTransfers.CancelTransfer(ut.TransferId, AbortReason.ClientAbort);
}
}
public void Aborted_Transfer_Should_Cause_Exception_While_Reading_File_Even_If_File_Is_Streamed_At_Once()
{
//behind the scenes, many blocks are read, independent of the buffer size. Accordingly,
//the transfer will abort as soon as we want it
var token = InitToken();
using (Stream stream = Downloads.DownloadFile(token.TransferId))
{
byte[] buffer = new byte[1234];
stream.Read(buffer, 0, buffer.Length);
int r = stream.Read(buffer, 1000, 234);
Assert.AreEqual(234, r);
//certain providers may already unlock the file - in this case,
//we won't be able to complete this test
var status = Downloads.GetTransferStatus(token.TransferId);
if (status == TransferStatus.Completed)
{
return;
}
//abort the transfer
Downloads.CancelTransfer(token.TransferId, AbortReason.ClientAbort);
//try to read again
try
{
var data = stream.ReadIntoBuffer();
Assert.Fail("Expected exception when attempting to read data after cancelling transfer.");
}
catch (TransferStatusException expected)
{
}
//stream.Read(buffer, 0, buffer.Length);
}
}
public virtual OperationResult <Wrapped <TransferStatus> > Post(string transferId, AbortReason reason)
{
return(SecureFunc(() => new Wrapped <TransferStatus>(Downloads.CancelTransfer(transferId, reason))));
}