def test_anonymous_get_requests_redirected_to_index(self):
        self.client.logout()

        response = self.client.get(reverse('results-export'), follow=True)
        self.assertRedirects(response, '/?next=%2Fadmin%2Fresults')
def days_till_due(self):
        """
        Returns the number of days till the due date. Returns a negative number
        of days when the due date is in the past.
        Returns 0 when the task has no due date.
        """
        due = self.due_date()
        if due:
            diff = due - date.today()
            return diff.days
        return 0