public void CanMoveDirectory()
{
string dir1 = dllPath.CombineAssert("a");
string dir2 = dllPath.Combine("b");
Assert.That(Directory.Exists(dir2), Is.False);
Assert.That(File.Exists(dir2), Is.False, "Lingering files should not be allowed to disrupt the testing.");
string aFile = dir1.Combine("file");
File.WriteAllText(aFile, "I should also be moved.");
infosCreated.Add(aFile);
using (var t = new FileTransaction("moving tx"))
{
t.Begin();
(t as IDirectoryAdapter).Move(dir1, dir2);
Assert.IsFalse(Directory.Exists(dir2), "The directory should not yet exist.");
t.Commit();
Assert.That(Directory.Exists(dir2), "Now after committing it should.");
infosCreated.Add(dir2);
Assert.That(File.Exists(dir2.Combine(Path.GetFileName(aFile))), "And so should the file in the directory.");
}
}
void IFileAdapter.Move(string originalFilePath, string newFilePath)
{
// case 1, the new file path is a folder
if (((IDirectoryAdapter)this).Exists(newFilePath))
{
MoveFileTransacted(originalFilePath, newFilePath.Combine(Path.GetFileName(originalFilePath)), IntPtr.Zero, IntPtr.Zero, MoveFileFlags.CopyAllowed,
_TransactionHandle);
return;
}
// case 2, its not a folder, so assume it's a file.
MoveFileTransacted(originalFilePath, newFilePath, IntPtr.Zero, IntPtr.Zero, MoveFileFlags.CopyAllowed,
_TransactionHandle);
}
private bool recurseFiles(string path,
Func <string, bool> operationOnFiles,
Func <string, bool> operationOnDirectories)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (path == string.Empty)
{
throw new ArgumentException("You can't pass an empty string.");
}
WIN32_FIND_DATA findData;
bool addPrefix = !path.StartsWith(@"\\?\");
bool ok = true;
string pathWithoutSufflix = addPrefix ? @"\\?\" + Path.GetFullPath(path) : Path.GetFullPath(path);
path = pathWithoutSufflix + "\\*";
using (var findHandle = FindFirstFileTransactedW(path, out findData))
{
if (findHandle.IsInvalid)
{
return(false);
}
do
{
var subPath = pathWithoutSufflix.Combine(findData.cFileName);
if ((findData.dwFileAttributes & (uint)FileAttributes.Directory) != 0)
{
if (findData.cFileName != "." && findData.cFileName != "..")
{
ok &= deleteRecursive(subPath);
}
}
else
{
ok = ok && operationOnFiles(subPath);
}
}while (FindNextFile(findHandle, out findData));
}
return(ok && operationOnDirectories(pathWithoutSufflix));
}
/// <summary>Creates a directory at the path given.</summary>
///<param name="path">The path to create the directory at.</param>
bool IDirectoryAdapter.Create(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
AssertState(TransactionStatus.Active);
path = Path.NormDirSepChars(CleanPathEnd(path));
// we don't need to re-create existing folders.
if (((IDirectoryAdapter)this).Exists(path))
{
return(true);
}
var nonExistent = new Stack <string>();
nonExistent.Push(path);
var curr = path;
while (!((IDirectoryAdapter)this).Exists(curr) &&
(curr.Contains(System.IO.Path.DirectorySeparatorChar) ||
curr.Contains(System.IO.Path.AltDirectorySeparatorChar)))
{
curr = Path.GetPathWithoutLastBit(curr);
if (!((IDirectoryAdapter)this).Exists(curr))
{
nonExistent.Push(curr);
}
}
while (nonExistent.Count > 0)
{
if (!createDirectoryTransacted(nonExistent.Pop()))
{
var win32Exception = new Win32Exception(Marshal.GetLastWin32Error());
throw new TransactionException(string.Format("Failed to create directory \"{1}\" at path \"{0}\". "
+ "See inner exception for more details.", path, curr),
win32Exception);
}
}
return(false);
}
