@pytest.mark.parametrize('invalid_value', [None, (), 69, 69L])
def test_unparse_multistring_invalid(invalid_value):
 assert (unparse_multistring(invalid_value) == invalid_value)

@ pytest . mark . parametrize ( 'invalid_value' , [ None , ( ) , 69 , 69 L ] ) def test_unparse_multistring_invalid ( invalid_value ) : assert ( unparse_multistring ( invalid_value ) == invalid_value )
tests unparsing does nothing for unsupported values .