def _assert_courses_in_block_cache(self, *course_keys):
     """
     Assert courses exist in course block cache.
     """
     for course_key in course_keys:
         self.assertTrue(
             is_course_in_block_structure_cache(course_key, self.store))
 def _assert_courses_not_in_block_cache(self, *course_keys):
     """
     Assert courses don't exist in the course block cache.
     """
     for course_key in course_keys:
         self.assertFalse(
             is_course_in_block_structure_cache(course_key, self.store))
 def _assert_courses_in_block_cache(self, *courses):
     """
     Assert courses exist in course block cache.
     """
     for course_key in courses:
         self.assertTrue(is_course_in_block_structure_cache(course_key, self.store))
 def _assert_courses_not_in_block_cache(self, *courses):
     """
     Assert courses don't exist in the course block cache.
     """
     for course_key in courses:
         self.assertFalse(is_course_in_block_structure_cache(course_key, self.store))