

def test_number_of_attendees_increasing(self):
    'Ensure event.attendance gets bigger after adding new learners.'
    event = Event.objects.get(slug='test_event_0')
    event.attendance = 0
    event.save()
    data = {
        'task-role': self.learner.pk,
        'task-event': event.pk,
        'task-person_1': self.spiderman.pk,
    }
    self.client.post(reverse('event_edit', args=[event.pk]), data)
    event.refresh_from_db()
    assert (event.attendance == 1)

dataset/ETHPy150Open swcarpentry/amy/workshops/test/test_event.py TestEventViews.test_number_of_attendees_increasing/original