def test_group_masquerade(self):
"""
Tests that a staff member can masquerade as being in a particular group.
"""
# Verify that there is no masquerading group initially
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertIsNone(group_id)
self.assertIsNone(user_partition_id)
# Install a masquerading group
self.ensure_masquerade_as_group_member(0, 1)
# Verify that the masquerading group is returned
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertEqual(group_id, 1)
self.assertEqual(user_partition_id, 0)
def test_group_masquerade(self):
"""
Tests that a staff member can masquerade as being in a particular group.
"""
# Verify that there is no masquerading group initially
group_id, user_partition_id = get_masquerading_group_info(
self.test_user, self.course.id)
self.assertIsNone(group_id)
self.assertIsNone(user_partition_id)
# Install a masquerading group
self.ensure_masquerade_as_group_member(0, 1)
# Verify that the masquerading group is returned
group_id, user_partition_id = get_masquerading_group_info(
self.test_user, self.course.id)
self.assertEqual(group_id, 1)
self.assertEqual(user_partition_id, 0)
def test_group_masquerade(self):
"""
Tests that a staff member can masquerade as being in a particular group.
"""
# Verify that there is no masquerading group initially
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertIsNone(group_id)
self.assertIsNone(user_partition_id)
# Install a masquerading group
request = self._create_mock_json_request(
self.test_user, body='{"role": "student", "user_partition_id": 0, "group_id": 1}'
)
handle_ajax(request, unicode(self.course.id))
setup_masquerade(request, self.test_user, True)
# Verify that the masquerading group is returned
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertEqual(group_id, 1)
self.assertEqual(user_partition_id, 0)
def test_group_masquerade(self):
"""
Tests that a staff member can masquerade as being in a particular group.
"""
# Verify that there is no masquerading group initially
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertIsNone(group_id)
self.assertIsNone(user_partition_id)
# Install a masquerading group
request = self._create_mock_json_request(
self.test_user,
body='{"role": "student", "user_partition_id": 0, "group_id": 1}'
)
handle_ajax(request, unicode(self.course.id))
setup_masquerade(request, self.test_user, True)
# Verify that the masquerading group is returned
group_id, user_partition_id = get_masquerading_group_info(self.test_user, self.course.id)
self.assertEqual(group_id, 1)
self.assertEqual(user_partition_id, 0)
def get_group_for_user(cls, course_key, user, user_partition, **kwargs): # pylint: disable=unused-argument
"""
Returns the Group from the specified user partition to which the user
is assigned, via enrollment mode.
If a course is using the Verified Track Cohorting pilot feature, this method
returns None regardless of the user's enrollment mode.
"""
if is_course_using_cohort_instead(course_key):
return None
# NOTE: masquerade code was copied from CohortPartitionScheme, and it may need
# some changes (or if not, code should be refactored out and shared).
# This work will be done in a future story TNL-6739.
# First, check if we have to deal with masquerading.
# If the current user is masquerading as a specific student, use the
# same logic as normal to return that student's group. If the current
# user is masquerading as a generic student in a specific group, then
# return that group.
if get_course_masquerade(user, course_key) and not is_masquerading_as_specific_student(user, course_key):
group_id, user_partition_id = get_masquerading_group_info(user, course_key)
if user_partition_id == user_partition.id and group_id is not None:
try:
return user_partition.get_group(group_id)
except NoSuchUserPartitionGroupError:
return None
# The user is masquerading as a generic student. We can't show any particular group.
return None
mode_slug, is_active = CourseEnrollment.enrollment_mode_for_user(user, course_key)
if mode_slug and is_active:
course_mode = CourseMode.mode_for_course(
course_key,
mode_slug,
modes=CourseMode.modes_for_course(course_key, include_expired=True, only_selectable=False),
)
if not course_mode:
course_mode = CourseMode.DEFAULT_MODE
return Group(ENROLLMENT_GROUP_IDS[course_mode.slug], unicode(course_mode.name))
else:
return None
def get_group_for_user(cls, course_key, user, user_partition, track_function=None, use_cached=True):
"""
Returns the Group from the specified user partition to which the user
is assigned, via their cohort membership and any mappings from cohorts
to partitions / groups that might exist.
If the user has not yet been assigned to a cohort, an assignment *might*
be created on-the-fly, as determined by the course's cohort config.
Any such side-effects will be triggered inside the call to
cohorts.get_cohort().
If the user has no cohort mapping, or there is no (valid) cohort ->
partition group mapping found, the function returns None.
"""
# If the current user is masquerading as being in a group
# belonging to the specified user partition, return the
# masquerading group or None if the group can't be found.
group_id, user_partition_id = get_masquerading_group_info(user, course_key)
if user_partition_id == user_partition.id:
if group_id is not None:
try:
return user_partition.get_group(group_id)
except NoSuchUserPartitionGroupError:
return None
return None
cohort = get_cohort(user, course_key, use_cached=use_cached)
if cohort is None:
# student doesn't have a cohort
return None
group_id, partition_id = get_group_info_for_cohort(cohort, use_cached=use_cached)
if partition_id is None:
# cohort isn't mapped to any partition group.
return None
if partition_id != user_partition.id:
# if we have a match but the partition doesn't match the requested
# one it means the mapping is invalid. the previous state of the
# partition configuration may have been modified.
log.warn(
"partition mismatch in CohortPartitionScheme: %r",
{
"requested_partition_id": user_partition.id,
"found_partition_id": partition_id,
"found_group_id": group_id,
"cohort_id": cohort.id,
}
)
# fail silently
return None
try:
return user_partition.get_group(group_id)
except NoSuchUserPartitionGroupError:
# if we have a match but the group doesn't exist in the partition,
# it means the mapping is invalid. the previous state of the
# partition configuration may have been modified.
log.warn(
"group not found in CohortPartitionScheme: %r",
{
"requested_partition_id": user_partition.id,
"requested_group_id": group_id,
"cohort_id": cohort.id,
},
exc_info=True
)
# fail silently
return None
