def test_sort_by_rating(all_courses):
courses = list(Course.sort_by_rating(all_courses))
for index in range(len(courses) - 1):
if courses[index].avg_rating is None:
assert courses[index + 1].avg_rating is None
elif courses[index + 1].avg_rating is not None:
assert Decimal.compare(courses[index].avg_rating,
courses[index + 1].avg_rating) > -1
def sort_to_result(all_courses):
return {
'name': Course.sort_by_name(all_courses),
'id': Course.sort_by_id(all_courses),
'rating': Course.sort_by_rating(all_courses),
'load': Course.sort_by_load(all_courses),
'num_reviews': Course.sort_by_num_reviews(all_courses),
'num_raters': Course.sort_by_num_raters(all_courses)
}
