/// <summary>
/// Checks whether the file is accessible for this type of FileAccess.
/// MockfileData can be configured to have FileShare.None, which indicates it is locked by a 'different process'.
///
/// If the file is 'locked by a different process', an IOException will be thrown.
/// </summary>
/// <param name="path">The path is used in the IOException message to match the message in real life situations</param>
/// <param name="access">The access type to check</param>
internal void CheckFileAccess(string path, FileAccess access)
{
if (!AllowedFileShare.HasFlag((FileShare)access))
{
throw CommonExceptions.ProcessCannotAccessFileInUse(path);
}
}
public override void Delete(string path)
{
mockFileDataAccessor.PathVerifier.IsLegalAbsoluteOrRelative(path, "path");
// We mimic exact behavior of the standard File.Delete() method
// which throws exception only if the folder does not exist,
// but silently returns if deleting a non-existing file in an existing folder.
VerifyDirectoryExists(path);
var file = mockFileDataAccessor.GetFile(path);
if (file != null && !file.AllowedFileShare.HasFlag(FileShare.Delete))
{
throw CommonExceptions.ProcessCannotAccessFileInUse(path);
}
mockFileDataAccessor.RemoveFile(path);
}
public override void Move(string sourceFileName, string destFileName)
{
if (sourceFileName == null)
{
throw CommonExceptions.FilenameCannotBeNull(nameof(sourceFileName));
}
if (destFileName == null)
{
throw CommonExceptions.FilenameCannotBeNull(nameof(destFileName));
}
mockFileDataAccessor.PathVerifier.IsLegalAbsoluteOrRelative(sourceFileName, nameof(sourceFileName));
mockFileDataAccessor.PathVerifier.IsLegalAbsoluteOrRelative(destFileName, nameof(destFileName));
if (mockFileDataAccessor.GetFile(destFileName) != null)
{
if (destFileName.Equals(sourceFileName))
{
return;
}
else
{
throw new IOException("A file can not be created if it already exists.");
}
}
var sourceFile = mockFileDataAccessor.GetFile(sourceFileName);
if (sourceFile == null)
{
throw CommonExceptions.FileNotFound(sourceFileName);
}
if (!sourceFile.AllowedFileShare.HasFlag(FileShare.Delete))
{
throw CommonExceptions.ProcessCannotAccessFileInUse();
}
VerifyDirectoryExists(destFileName);
mockFileDataAccessor.AddFile(destFileName, new MockFileData(sourceFile));
mockFileDataAccessor.RemoveFile(sourceFileName);
}