def _get_questions_for_survey_page(self, page_num):
"""
Gets a page of the survey.
"""
if not page_num:
raise ValueError('page_num is required')
if type(page_num) != int:
page_num = int(page_num)
if page_num <= 0:
raise ValueError('page_num must be 1 or higher')
from_number, to_number = self._calculate_from_and_to_for_page_number(page_num)
return Question.get_questions_by_number_range(from_number, to_number)
def test_number_range_21_to_40_returns_20_questions(self):
import_questions()
quest_range = Question.get_questions_by_number_range(21, 40)
self.assertEqual(20, len(quest_range))
def test_to_number_is_required(self):
with self.assertRaises(ValueError):
Question.get_questions_by_number_range(50, None)
