Files
edx-platform/cms/djangoapps/contentstore/tests/test_permissions.py
2014-01-14 17:04:44 -05:00

148 lines
6.2 KiB
Python

"""
Test CRUD for authorization.
"""
import copy
from django.test.utils import override_settings
from django.contrib.auth.models import User, Group
from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
from contentstore.tests.modulestore_config import TEST_MODULESTORE
from contentstore.tests.utils import AjaxEnabledTestClient
from xmodule.modulestore.django import loc_mapper
from xmodule.modulestore import Location
from student.roles import CourseInstructorRole, CourseStaffRole
from contentstore.views.access import has_course_access
from student import auth
@override_settings(MODULESTORE=TEST_MODULESTORE)
class TestCourseAccess(ModuleStoreTestCase):
"""
Course-based access (as opposed to access of a non-course xblock)
"""
def setUp(self):
"""
Create a staff user and log them in (creating the client).
Create a pool of users w/o granting them any permissions
"""
super(TestCourseAccess, self).setUp()
uname = 'testuser'
email = 'test+courses@edx.org'
password = 'foo'
# Create the use so we can log them in.
self.user = User.objects.create_user(uname, email, password)
# Note that we do not actually need to do anything
# for registration if we directly mark them active.
self.user.is_active = True
# Staff has access to view all courses
self.user.is_staff = True
self.user.save()
self.client = AjaxEnabledTestClient()
self.client.login(username=uname, password=password)
# create a course via the view handler which has a different strategy for permissions than the factory
self.course_location = Location(['i4x', 'myu', 'mydept.mycourse', 'course', 'myrun'])
self.course_locator = loc_mapper().translate_location(
self.course_location.course_id, self.course_location, False, True
)
self.client.ajax_post(
self.course_locator.url_reverse('course'),
{
'org': self.course_location.org,
'number': self.course_location.course,
'display_name': 'My favorite course',
'run': self.course_location.name,
}
)
self.users = self._create_users()
def _create_users(self):
"""
Create 8 users and return them
"""
users = []
for i in range(8):
username = "user{}".format(i)
email = "test+user{}@edx.org".format(i)
user = User.objects.create_user(username, email, 'foo')
user.is_active = True
user.save()
users.append(user)
return users
def tearDown(self):
"""
Reverse the setup
"""
self.client.logout()
ModuleStoreTestCase.tearDown(self)
def test_get_all_users(self):
"""
Test getting all authors for a course where their permissions run the gamut of allowed group
types.
"""
# first check the course creator.has explicit access (don't use has_access as is_staff
# will trump the actual test)
self.assertTrue(
CourseInstructorRole(self.course_locator).has_user(self.user),
"Didn't add creator as instructor."
)
users = copy.copy(self.users)
# doesn't use role.users_with_role b/c it's verifying the roles.py behavior
user_by_role = {}
# add the misc users to the course in different groups
for role in [CourseInstructorRole, CourseStaffRole]:
user_by_role[role] = []
# pylint: disable=protected-access
groupnames = role(self.course_locator)._group_names
self.assertGreater(len(groupnames), 1, "Only 0 or 1 groupname for {}".format(role.ROLE))
# NOTE: this loop breaks the roles.py abstraction by purposely assigning
# users to one of each possible groupname in order to test that has_course_access
# and remove_user work
for groupname in groupnames:
group, _ = Group.objects.get_or_create(name=groupname)
user = users.pop()
user_by_role[role].append(user)
user.groups.add(group)
user.save()
self.assertTrue(has_course_access(user, self.course_locator), "{} does not have access".format(user))
self.assertTrue(has_course_access(user, self.course_location), "{} does not have access".format(user))
response = self.client.get_html(self.course_locator.url_reverse('course_team'))
for role in [CourseInstructorRole, CourseStaffRole]:
for user in user_by_role[role]:
self.assertContains(response, user.email)
# test copying course permissions
copy_course_location = Location(['i4x', 'copyu', 'copydept.mycourse', 'course', 'myrun'])
copy_course_locator = loc_mapper().translate_location(
copy_course_location.course_id, copy_course_location, False, True
)
for role in [CourseInstructorRole, CourseStaffRole]:
auth.add_users(
self.user,
role(copy_course_locator),
*role(self.course_locator).users_with_role()
)
# verify access in copy course and verify that removal from source course w/ the various
# groupnames works
for role in [CourseInstructorRole, CourseStaffRole]:
for user in user_by_role[role]:
# forcefully decache the groups: premise is that any real request will not have
# multiple objects repr the same user but this test somehow uses different instance
# in above add_users call
if hasattr(user, '_groups'):
del user._groups
self.assertTrue(has_course_access(user, copy_course_locator), "{} no copy access".format(user))
self.assertTrue(has_course_access(user, copy_course_location), "{} no copy access".format(user))
auth.remove_users(self.user, role(self.course_locator), user)
self.assertFalse(has_course_access(user, self.course_locator), "{} remove didn't work".format(user))