public void CreateFileStreamWhenTransactionalFileSystemUnsupported()
{
TransactionalFile._operatingSystem = OperatingSystemExtensionsFixture.WindowsXP;
using (var file = TransactionalFile.Create(_filename))
{
file.Should().BeOfType <FileStream>();
}
}
public void TransactionRollbackOnDispose()
{
using (var file = TransactionalFile.Create(_filename))
{
file.Should().BeOfType <TransactionalFileStream>();
file.Write(_buffer, 0, _buffer.Length);
}
File.Exists(_filename).Should().BeFalse("Transaction should have been rolled back: file is found.");
}
public void CreateFileStreamWhenNetworkPath()
{
var uncFilename = @"\\localhost\" + _filename.Replace(':', '$');
TransactionalFile._operatingSystem = OperatingSystemExtensionsFixture.Windows7;
using (var file = TransactionalFile.Create(uncFilename))
{
file.Should().BeOfType <FileStream>();
}
}
public void TransactionCommitHasToBeExplicit()
{
using (var file = TransactionalFile.Create(_filename))
{
file.Should().BeOfType <TransactionalFileStream>();
file.Write(_buffer, 0, _buffer.Length);
((TransactionalFileStream)file).Commit();
}
File.Exists(_filename).Should().BeTrue("Transaction should have been committed: file is not found.");
}
public void TransactionRollbackOnFinalize()
{
var file = TransactionalFile.Create(_filename);
file.Should().BeOfType <TransactionalFileStream>();
file.Write(_buffer, 0, _buffer.Length);
file = null;
GC.Collect();
GC.WaitForPendingFinalizers();
File.Exists(_filename).Should().BeFalse("Transaction should have been rolled back: file is found.");
}
public void CreateFileStreamWhenGivenAmbientTransactionAndTransactionalFileSystemSupported()
{
TransactionalFile._operatingSystem = OperatingSystemExtensionsFixture.Windows7;
using (new TransactionScope())
{
// grab kernel level transaction handle
var dtcTransaction = TransactionInterop.GetDtcTransaction(Transaction.Current);
var kernelTransaction = (IKernelTransaction)dtcTransaction;
var file = TransactionalFile.Create(_filename, 1024, kernelTransaction);
file.Should().BeOfType <FileStream>();
}
}
public void TransactionRollbackWithAmbientTransaction()
{
using (new TransactionScope())
{
var kernelTransaction = (IKernelTransaction)TransactionInterop.GetDtcTransaction(Transaction.Current);
using (var file = TransactionalFile.Create(_filename, 1024, kernelTransaction))
{
file.Should().BeOfType <FileStream>();
file.Write(_buffer, 0, _buffer.Length);
}
// this is the root scope and failing to cast a vote will abort the ambient transaction
}
File.Exists(_filename).Should().BeFalse();
}
public void TransactionCommitWithAmbientTransaction()
{
using (var scope = new TransactionScope())
{
var kernelTransaction = (IKernelTransaction)TransactionInterop.GetDtcTransaction(Transaction.Current);
using (var file = TransactionalFile.Create(_filename, 1024, kernelTransaction))
{
file.Should().BeOfType <FileStream>();
file.Write(_buffer, 0, _buffer.Length);
}
// this is the root scope and it has to cast a vote
scope.Complete();
}
File.Exists(_filename).Should().BeTrue();
}