def test_rejects_event_if_event_is_already_stored(self):
Brain.create(self.event)
Brain.create(self.event)
assert len(Brain.all()) == 1
def whats_enrolling(self):
twenty_minutes_from_now = datetime.now() + timedelta(minutes=20)
return [event for event in Brain.all() \
if event.enrollment_date
and event.enrollment_date < twenty_minutes_from_now
and event.notification_sent is False]
