def test_persistent_grades_enabled_on_course(self, default_store, num_mongo_queries, num_sql_queries):
with self.store.default_store(default_store):
self.set_up_course(enable_persistent_grades=True)
with check_mongo_calls(num_mongo_queries):
with self.assertNumQueries(num_sql_queries):
self._apply_recalculate_subsection_grade()
self.assertIsNotNone(PersistentCourseGrade.read(self.user.id, self.course.id))
self.assertGreater(len(PersistentSubsectionGrade.bulk_read_grades(self.user.id, self.course.id)), 0)
def test_persistent_grades_enabled_on_course(self, default_store, num_mongo_queries, num_sql_queries):
with self.store.default_store(default_store):
self.set_up_course(enable_persistent_grades=True)
with check_mongo_calls(num_mongo_queries):
with self.assertNumQueries(num_sql_queries):
self._apply_recalculate_subsection_grade()
self.assertIsNotNone(PersistentCourseGrade.read(self.user.id, self.course.id))
self.assertGreater(len(PersistentSubsectionGrade.bulk_read_grades(self.user.id, self.course.id)), 0)
def test_persistent_grades_not_enabled_on_course(self, default_store, num_mongo_queries, num_sql_queries):
with self.store.default_store(default_store):
self.set_up_course(enable_persistent_grades=False)
with check_mongo_calls(num_mongo_queries):
with self.assertNumQueries(num_sql_queries):
self._apply_recalculate_subsection_grade()
with self.assertRaises(PersistentCourseGrade.DoesNotExist):
PersistentCourseGrade.read(self.user.id, self.course.id)
self.assertEqual(len(PersistentSubsectionGrade.bulk_read_grades(self.user.id, self.course.id)), 0)
def test_persistent_grades_not_enabled_on_course(self, default_store, num_mongo_queries, num_sql_queries):
with self.store.default_store(default_store):
self.set_up_course(enable_persistent_grades=False)
with check_mongo_calls(num_mongo_queries):
with self.assertNumQueries(num_sql_queries):
self._apply_recalculate_subsection_grade()
with self.assertRaises(PersistentCourseGrade.DoesNotExist):
PersistentCourseGrade.read(self.user.id, self.course.id)
self.assertEqual(len(PersistentSubsectionGrade.bulk_read_grades(self.user.id, self.course.id)), 0)
def get_subsection_grades(user_id, course_key_or_id):
"""
Return dictionary of grades for user_id.
"""
course_key = _get_key(course_key_or_id, CourseKey)
grades = {}
for grade in _PersistentSubsectionGrade.bulk_read_grades(user_id, course_key):
grades[grade.usage_key] = grade
return grades
def _get_bulk_cached_subsection_grades(self):
"""
Returns and caches (for future access) the results of
a bulk retrieval of all subsection grades in the course.
"""
if self._cached_subsection_grades is None:
self._cached_subsection_grades = {
record.full_usage_key: record
for record in PersistentSubsectionGrade.bulk_read_grades(self.student.id, self.course.id)
}
return self._cached_subsection_grades
def _get_saved_subsection_grade(self, subsection_usage_key):
"""
Returns the saved value of the subsection grade for
the given subsection usage key, caching the value.
Returns None if not found.
"""
if self._cached_subsection_grades is None:
self._cached_subsection_grades = {
record.full_usage_key: record
for record in PersistentSubsectionGrade.bulk_read_grades(self.student.id, self.course.id)
}
return self._cached_subsection_grades.get(subsection_usage_key)
def _get_saved_subsection_grade(self, subsection_usage_key):
"""
Returns the saved value of the subsection grade for
the given subsection usage key, caching the value.
Returns None if not found.
"""
if self._cached_subsection_grades is None:
self._cached_subsection_grades = {
record.full_usage_key: record
for record in PersistentSubsectionGrade.bulk_read_grades(self.student.id, self.course.id)
}
return self._cached_subsection_grades.get(subsection_usage_key)
