def test_duration_xml_duration(self): dur = datetime.timedelta(days=5 + 30 + 365, hours=1, minutes=1, seconds=12, microseconds=8e5) str1 = 'P400DT3672.8S' str2 = 'P1Y1M5DT1H1M12.8S' self.assertEquals(dur, Duration.from_string(str1)) self.assertEquals(dur, Duration.from_string(str2)) self.assertEquals(dur, Duration.from_string(Duration.to_string(dur)))