public FakeDirectory CreateDirectory(FakeDirectory directory)
{
var path = directory.Path;
var queue = new Queue <string>(path.Segments);
FakeDirectory current = null;
var children = _root.Content;
while (queue.Count > 0)
{
// Get the segment.
var currentSegment = queue.Dequeue();
var parent = current;
// Calculate the current path.
path = parent != null?parent.Path.Combine(currentSegment) : new DirectoryPath(currentSegment);
if (!children.Directories.ContainsKey(path))
{
current = queue.Count == 0 ? directory : new FakeDirectory(this, path);
current.Parent = parent ?? _root;
current.Hidden = false;
children.Add(current);
}
else
{
current = children.Directories[path];
}
current.Exists = true;
children = current.Content;
}
return(directory);
}
public FakeDirectory FindDirectory(DirectoryPath path)
{
// Want the root?
if (path.Segments.Length == 0)
{
return(_root);
}
var queue = new Queue <string>(path.Segments);
FakeDirectory current = null;
var children = _root.Content;
while (queue.Count > 0)
{
// Set the parent.
var parent = current;
// Calculate the current path.
var segment = queue.Dequeue();
path = parent != null?parent.Path.Combine(segment) : new DirectoryPath(segment);
// Find the current path.
if (!children.Directories.ContainsKey(path))
{
return(null);
}
current = children.Directories[path];
children = current.Content;
}
return(current);
}
public void DeleteDirectory(FakeDirectory fakeDirectory, bool recursive)
{
var root = new Stack <FakeDirectory>();
var result = new Stack <FakeDirectory>();
if (fakeDirectory.Exists)
{
root.Push(fakeDirectory);
}
while (root.Count > 0)
{
var node = root.Pop();
result.Push(node);
var directories = node.Content.Directories;
if (directories.Count > 0 && !recursive)
{
throw new IOException("The directory is not empty.");
}
foreach (var child in directories)
{
root.Push(child.Value);
}
}
while (result.Count > 0)
{
var directory = result.Pop();
var files = directory.Content.Files.Select(x => x).ToArray();
if (files.Length > 0 && !recursive)
{
throw new IOException("The directory is not empty.");
}
foreach (var file in files)
{
// Delete the file.
DeleteFile(file.Value);
}
// Delete the directory.
directory.Parent.Content.Remove(directory);
directory.Exists = false;
}
}
private static IEnumerable <FakeFile> GetFiles(FakeDirectory current, Regex expression)
{
var result = new List <FakeFile>();
foreach (var file in current.Content.Files)
{
if (file.Value.Exists)
{
// Is this a match? In that case, add it to the result.
if (expression.IsMatch(file.Key.GetFilename().FullPath))
{
result.Add(current.Content.Files[file.Key]);
}
}
}
return(result);
}
public FakeFileSystemTree(IFileSystemEnvironment environment)
{
if (environment == null)
{
throw new ArgumentNullException("environment");
}
if (environment.WorkingDirectory == null)
{
throw new ArgumentException("Working directory not set.");
}
if (environment.WorkingDirectory.IsRelative)
{
throw new ArgumentException("Working directory cannot be relative.");
}
Comparer = new PathComparer(environment.IsUnix());
_root = new FakeDirectory(this, "/");
_root.Create();
}
public void Remove(FakeDirectory directory)
{
_directories.Remove(directory.Path);
}
public void Add(FakeDirectory directory)
{
_directories.Add(directory.Path, directory);
}
public FakeDirectoryContent(FakeDirectory owner, PathComparer comparer)
{
Owner = owner;
_directories = new Dictionary <DirectoryPath, FakeDirectory>(comparer);
_files = new Dictionary <FilePath, FakeFile>(comparer);
}