public void CleanFileName_WhenNullOrWhitespace_ReturnsEmptyString(string s)
{
var result = FilePathHelper.CleanFileName(s);
Assert.Equal(result, string.Empty);
}
public void CleanFileName_Valid_DoesNotReturnDefault(string input, string defaultValue)
{
var result = FilePathHelper.CleanFileName(input, defaultValue);
Assert.Equal(input, result);
}