/// <summary>

/// Implementation of <see cref="System.IO.Abstractions.IFileSystem"/>, that

/// allows to lock file system within specified physical folder.

/// </summary>

public class FileSystem : IFileSystem

{

private readonly string _rootFolderPath;

private readonly IFileSystem _physicalFileSystem = new System.IO.Abstractions.FileSystem();

/// <summary>

/// .ctor

/// </summary>

/// <param name="rootFolderPath">Root folder where file system will be locked</param>

public FileSystem(string rootFolderPath)

{

if (string.IsNullOrWhiteSpace(_rootFolderPath))

{

throw new ArgumentException("Root folder was not specified.");

}

_rootFolderPath = rootFolderPath;

if (!_physicalFileSystem.Directory.Exists(_rootFolderPath))

{

_physicalFileSystem.Directory.CreateDirectory(_rootFolderPath);

}

Path = new Path(_rootFolderPath, _physicalFileSystem);

}

#region Implementation of IFileSystem

/// <inheritdoc />

public IFile File { get; }

/// <inheritdoc />

public IDirectory Directory { get; }

/// <inheritdoc />

public IFileInfoFactory FileInfo { get; }

/// <inheritdoc />

public IFileStreamFactory FileStream { get; }

/// <inheritdoc />

public IPath Path { get; }

/// <inheritdoc />

public IDirectoryInfoFactory DirectoryInfo { get; }

/// <inheritdoc />

public IDriveInfoFactory DriveInfo { get; }

/// <inheritdoc />

public IFileSystemWatcherFactory FileSystemWatcher { get; }

#endregion

}