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 FakeFileSystemTree(IEnvironment environment)
{
if (environment == null)
{
throw new ArgumentNullException(nameof(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.Platform.IsUnix());
_root = new FakeDirectory(this, "/")
{
Exists = true
};
_root.Create();
}
/// <summary>
/// Hides the specified directory.
/// </summary>
/// <param name="directory">The directory to hide.</param>
/// <returns>The same <see cref="FakeDirectory"/> instance so that multiple calls can be chained.</returns>
public static FakeDirectory Hide(this FakeDirectory directory)
{
if (directory == null)
{
throw new ArgumentNullException(nameof(directory));
}
directory.Hidden = true;
return(directory);
}
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);
}
// Remove the directory from the parent.
if (directory.Parent != null)
{
directory.Parent.Content.Remove(directory);
}
// Mark the directory as it doesn't exist.
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 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);
}
public void MoveDirectory(FakeDirectory fakeDirectory, DirectoryPath destination)
{
var root = new Stack <FakeDirectory>();
var result = new Stack <FakeDirectory>();
if (string.IsNullOrEmpty(destination.FullPath))
{
throw new ArgumentException("The destination directory is empty.");
}
if (fakeDirectory.Path.Equals(destination))
{
throw new IOException("The directory being moved and the destination directory have the same name.");
}
if (FindDirectory(destination) != null)
{
throw new IOException("The destination directory already exists.");
}
string destinationParentPathStr = string.Join("/", destination.Segments.Take(destination.Segments.Count - 1).DefaultIfEmpty("/"));
DirectoryPath destinationParentPath = new DirectoryPath(string.IsNullOrEmpty(destinationParentPathStr) ? "/" : destinationParentPathStr);
if (FindDirectory(destinationParentPath) == null)
{
throw new DirectoryNotFoundException("The parent destination directory " + destinationParentPath.FullPath + " could not be found.");
}
if (fakeDirectory.Exists)
{
root.Push(fakeDirectory);
}
// Create destination directories and move files
while (root.Count > 0)
{
var node = root.Pop();
result.Push(node);
// Create destination directory
DirectoryPath relativePath = fakeDirectory.Path.GetRelativePath(node.Path);
DirectoryPath destinationPath = destination.Combine(relativePath);
CreateDirectory(destinationPath);
var files = node.Content.Files.Select(x => x).ToArray();
foreach (var file in files)
{
// Move the file.
MoveFile(file.Value, destinationPath.CombineWithFilePath(file.Key.GetFilename()));
}
var directories = node.Content.Directories;
foreach (var child in directories)
{
root.Push(child.Value);
}
}
// Delete source directories
while (result.Count > 0)
{
var directory = result.Pop();
// Delete the directory.
if (directory.Parent != null)
{
directory.Parent.Content.Remove(directory);
}
// Mark the directory as it doesn't exist.
directory.Exists = false;
}
}
