public void AtomicWrite_ReplacingExistingReadOnlyFile_Throws()
{
var path = BaseDir.CreateFile("test.txt");
SafeFile.SetReadOnly(path);
Should.Throw <UnauthorizedAccessException>(() =>
SafeFile.AtomicWrite(path, tmpPath => tmpPath.ToNPath().CreateFile()));
}
public void ForceDeleteFile_WithReadOnlyFile_DeletesIt()
{
var path = BaseDir.CreateFile("readonly.txt");
SafeFile.SetReadOnly(path);
Should.NotThrow(() => SafeFile.ForceDeleteFile(path));
path.FileExists().ShouldBeFalse();
}
public void SetReadOnly_AppliesProperFileAttributes()
{
var path = BaseDir.CreateFile("normal.txt");
((File.GetAttributes(path) & FileAttributes.ReadOnly) == 0).ShouldBeTrue();
SafeFile.SetReadOnly(path);
((File.GetAttributes(path) & FileAttributes.ReadOnly) != 0).ShouldBeTrue();
SafeFile.SetReadOnly(path, false);
((File.GetAttributes(path) & FileAttributes.ReadOnly) == 0).ShouldBeTrue();
}
public void AtomicWrite_WithExistingReadOnlyTempAndBakFiles_OverwritesFilesAndOperatesNormally()
{
var path = BaseDir.Combine("test.txt").WriteAllText("test");
var temp = (path + SafeFile.TmpExtension).ToNPath().CreateFile();
var backup = (path + SafeFile.BakExtension).ToNPath().CreateFile();
SafeFile.SetReadOnly(temp);
SafeFile.SetReadOnly(backup);
SafeFile.AtomicWrite(path, tmpPath => tmpPath.ToNPath().WriteAllText("new"));
temp.FileExists().ShouldBeFalse();
backup.FileExists().ShouldBeFalse();
path.ReadAllText().ShouldBe("new");
}
