def test__add_timedelta_until__add_multiple_times(self):
t = Timeframe(pd_start_date=pd_ts('2017-01-01 1:00'),
pd_end_date=pd_ts('2017-01-01 2:35'),
pd_timedelta=pandas.Timedelta(minutes=15))
t.add_timedelta_until(pd_ts('2017-01-01 2:31'))
self.assertEqual(t.date(), pd_ts('2017-01-01 2:30'))
def test__add_timedelta_until__single(self):
t = Timeframe(pd_start_date=pd_ts('2017-01-01 1:00'),
pd_end_date=pd_ts('2017-01-01 2:35'),
pd_interval=pandas.Timedelta(minutes=15))
t.add_timedelta_until(pd_ts('2017-01-01 1:29'))
self.assertEqual(t.date(), pd_ts('2017-01-01 1:15'))