def test_update_stoptime():
with app.app_context():
st = StopTimeUpdate({'id': 'foo'},
departure_delay=datetime.timedelta(minutes=10), arrival_delay=datetime.timedelta(minutes=10),
dep_status='update', arr_status='update')
st.update_arrival(time=None, status=None, delay=datetime.timedelta(minutes=0))
assert st.arrival_delay == datetime.timedelta(minutes=0)
st.update_departure(time=None, status=None, delay=datetime.timedelta(minutes=0))
assert st.departure_delay == datetime.timedelta(minutes=0)
