Fix all modulestore calls to pass in user ids.

cms/djangoapps/contentstore/management/commands/import.py

@@ -6,9 +6,9 @@ from django.core.management.base import BaseCommand, CommandError, make_option
 from django_comment_common.utils import (seed_permissions_roles,
                                          are_permissions_roles_seeded)
 from xmodule.modulestore.xml_importer import import_from_xml
+from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.django import modulestore
 from xmodule.contentstore.django import contentstore
-from xmodule.modulestore import ModuleStoreEnum
 
 
 class Command(BaseCommand):
@@ -38,9 +38,10 @@ class Command(BaseCommand):
             data=data_dir,
             courses=course_dirs,
             dis=do_import_static))
+        mstore = modulestore()
 
         _, course_items = import_from_xml(
-            modulestore(), ModuleStoreEnum.UserID.mgmt_command, data_dir, course_dirs, load_error_modules=False,
+            mstore, ModuleStoreEnum.UserID.mgmt_command, data_dir, course_dirs, load_error_modules=False,
             static_content_store=contentstore(), verbose=True,
             do_import_static=do_import_static,
             create_new_course_if_not_present=True,

cms/djangoapps/contentstore/tests/test_crud.py

@@ -187,11 +187,11 @@ class TemplateTests(unittest.TestCase):
         )
         first_problem.max_attempts = 3
         first_problem.save()  # decache the above into the kvs
-        updated_problem = self.split_store.update_item(first_problem, '**replace_user**')
+        updated_problem = self.split_store.update_item(first_problem, ModuleStoreEnum.UserID.test)
         self.assertIsNotNone(updated_problem.previous_version)
         self.assertEqual(updated_problem.previous_version, first_problem.update_version)
         self.assertNotEqual(updated_problem.update_version, first_problem.update_version)
-        updated_loc = self.split_store.delete_item(updated_problem.location, '**replace_user**', 'testbot')
+        updated_loc = self.split_store.delete_item(updated_problem.location, ModuleStoreEnum.UserID.test, 'testbot')
 
         second_problem = persistent_factories.ItemFactory.create(
             display_name='problem 2',

cms/djangoapps/contentstore/tests/test_export_git.py

@@ -65,7 +65,7 @@ class TestExportGit(CourseTestCase):
         Test failed course export response.
         """
         self.course_module.giturl = 'foobar'
-        modulestore().update_item(self.course_module, '**replace_user**')
+        modulestore().update_item(self.course_module, self.user.id)
 
         response = self.client.get('{}?action=push'.format(self.test_url))
         self.assertIn('Export Failed:', response.content)
@@ -75,7 +75,7 @@ class TestExportGit(CourseTestCase):
         Regression test for making sure errors are properly stringified
         """
         self.course_module.giturl = 'foobar'
-        modulestore().update_item(self.course_module, '**replace_user**')
+        modulestore().update_item(self.course_module, self.user.id)
 
         response = self.client.get('{}?action=push'.format(self.test_url))
         self.assertNotIn('django.utils.functional.__proxy__', response.content)
@@ -98,7 +98,7 @@ class TestExportGit(CourseTestCase):
 
         self.populate_course()
         self.course_module.giturl = 'file://{}'.format(bare_repo_dir)
-        modulestore().update_item(self.course_module, '**replace_user**')
+        modulestore().update_item(self.course_module, self.user.id)
 
         response = self.client.get('{}?action=push'.format(self.test_url))
         self.assertIn('Export Succeeded', response.content)

cms/djangoapps/contentstore/tests/test_import.py

@@ -33,25 +33,10 @@ class ContentStoreImportTest(ModuleStoreTestCase):
     NOTE: refactor using CourseFactory so they do not.
     """
     def setUp(self):
-
-        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
-
-        # Save the data that we've just changed to the db.
-        self.user.save()
-
+        password = super(ContentStoreImportTest, self).setUp()
+        
         self.client = Client()
-        self.client.login(username=uname, password=password)
+        self.client.login(username=self.user.username, password=password)
 
     def tearDown(self):
         contentstore().drop_database()
@@ -66,7 +51,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         module_store = modulestore()
         import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['test_import_course'],
             static_content_store=content_store,
@@ -86,7 +71,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         module_store, __, course = self.load_test_import_course()
         __, course_items = import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data',
             ['test_import_course_2'],
             target_course_id=course.id,
@@ -102,7 +87,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         course_id = SlashSeparatedCourseKey(u'Юникода', u'unicode_course', u'échantillon')
         import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['2014_Uni'],
             target_course_id=course_id
@@ -148,7 +133,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         content_store = contentstore()
 
         module_store = modulestore()
-        import_from_xml(module_store, '**replace_user**', 'common/test/data/', ['toy'], static_content_store=content_store, do_import_static=False, verbose=True)
+        import_from_xml(module_store, self.user.id, 'common/test/data/', ['toy'], static_content_store=content_store, do_import_static=False, verbose=True)
 
         course = module_store.get_course(SlashSeparatedCourseKey('edX', 'toy', '2012_Fall'))
 
@@ -159,7 +144,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
 
     def test_no_static_link_rewrites_on_import(self):
         module_store = modulestore()
-        _, courses = import_from_xml(module_store, '**replace_user**', 'common/test/data/', ['toy'], do_import_static=False, verbose=True)
+        _, courses = import_from_xml(module_store, self.user.id, 'common/test/data/', ['toy'], do_import_static=False, verbose=True)
         course_key = courses[0].id
 
         handouts = module_store.get_item(course_key.make_usage_key('course_info', 'handouts'))
@@ -178,7 +163,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         target_course_id = SlashSeparatedCourseKey('testX', 'conditional_copy', 'copy_run')
         import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['conditional'],
             target_course_id=target_course_id
@@ -208,7 +193,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         target_course_id = SlashSeparatedCourseKey('testX', 'peergrading_copy', 'copy_run')
         import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['open_ended'],
             target_course_id=target_course_id
@@ -227,7 +212,7 @@ class ContentStoreImportTest(ModuleStoreTestCase):
         target_course_id = SlashSeparatedCourseKey('testX', 'split_test_copy', 'copy_run')
         import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['split_test_module'],
             target_course_id=target_course_id

cms/djangoapps/contentstore/tests/test_import_draft_order.py

@@ -10,7 +10,7 @@ class DraftReorderTestCase(ModuleStoreTestCase):
 
     def test_order(self):
         store = modulestore()
-        _, course_items = import_from_xml(store, '**replace_user**', 'common/test/data/', ['import_draft_order'])
+        _, course_items = import_from_xml(store, self.user.id, 'common/test/data/', ['import_draft_order'])
         course_key = course_items[0].id
         sequential = store.get_item(course_key.make_usage_key('sequential', '0f4f7649b10141b0bdc9922dcf94515a'))
         verticals = sequential.children

cms/djangoapps/contentstore/tests/test_import_pure_xblock.py

@@ -28,9 +28,6 @@ class StubXBlock(XBlock):
 
 class XBlockImportTest(ModuleStoreTestCase):
 
-    def setUp(self):
-        self.store = modulestore()
-
     @XBlock.register_temp_plugin(StubXBlock)
     def test_import_public(self):
         self._assert_import(
@@ -62,7 +59,7 @@ class XBlockImportTest(ModuleStoreTestCase):
 
         """
         _, courses = import_from_xml(
-            self.store, '**replace_user**', 'common/test/data', [course_dir]
+            self.store, self.user.id, 'common/test/data', [course_dir]
         )
 
         xblock_location = courses[0].id.make_usage_key('stubxblock', 'xblock_test')

cms/djangoapps/contentstore/tests/test_permissions.py

@@ -24,23 +24,10 @@ class TestCourseAccess(ModuleStoreTestCase):
 
         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()
+        user_password = super(TestCourseAccess, self).setUp()
 
         self.client = AjaxEnabledTestClient()
-        self.client.login(username=uname, password=password)
+        self.client.login(username=self.user.username, password=user_password)
 
         # create a course via the view handler which has a different strategy for permissions than the factory
         self.course_key = SlashSeparatedCourseKey('myu', 'mydept.mycourse', 'myrun')

cms/djangoapps/contentstore/tests/test_utils.py

@@ -9,6 +9,7 @@ from django.test import TestCase
 from django.test.utils import override_settings
 
 from contentstore import utils
+from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.factories import CourseFactory
 from opaque_keys.edx.locations import SlashSeparatedCourseKey, Location
 
@@ -193,7 +194,7 @@ class XBlockVisibilityTestCase(TestCase):
     """Tests for xblock visibility for students."""
 
     def setUp(self):
-        self.dummy_user = 123
+        self.dummy_user = ModuleStoreEnum.UserID.test
         self.past = datetime(1970, 1, 1)
         self.future = datetime.now(UTC) + timedelta(days=1)
 

cms/djangoapps/contentstore/tests/utils.py

@@ -6,8 +6,8 @@ Utilities for contentstore tests
 import json
 import re
 
-from django.contrib.auth.models import User
 from django.test.client import Client
+from django.contrib.auth.models import User
 
 from xmodule.contentstore.django import contentstore
 from xmodule.contentstore.content import StaticContent
@@ -68,53 +68,32 @@ class AjaxEnabledTestClient(Client):
 class CourseTestCase(ModuleStoreTestCase):
     def setUp(self):
         """
-        These tests need a user in the DB so that the django Test Client
-        can log them in.
+        These tests need a user in the DB so that the django Test Client can log them in.
+        The test user is created in the ModuleStoreTestCase setUp method.
         They inherit from the ModuleStoreTestCase class so that the mongodb collection
         will be cleared out before each test case execution and deleted
         afterwards.
         """
-        uname = 'testuser'
-        email = 'test+courses@edx.org'
-        password = 'foo'
-
-        # Create the user 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()
+        user_password = super(CourseTestCase, self).setUp()
 
         self.client = AjaxEnabledTestClient()
-        self.client.login(username=uname, password=password)
+        self.client.login(username=self.user.username, password=user_password)
 
         self.course = CourseFactory.create(
             org='MITx',
             number='999',
             display_name='Robot Super Course',
         )
-        self.store = modulestore()
 
     def create_non_staff_authed_user_client(self, authenticate=True):
         """
         Create a non-staff user, log them in (if authenticate=True), and return the client, user to use for testing.
         """
-        uname = 'teststudent'
-        password = 'foo'
-        nonstaff = User.objects.create_user(uname, 'test+student@edx.org', password)
-
-        # Note that we do not actually need to do anything
-        # for registration if we directly mark them active.
-        nonstaff.is_active = True
-        nonstaff.is_staff = False
-        nonstaff.save()
+        nonstaff, password = super(CourseTestCase, self).create_non_staff_authed_user_client()
 
         client = Client()
         if authenticate:
-            client.login(username=uname, password=password)
+            client.login(username=nonstaff.username, password=password)
         return client, nonstaff
 
     def populate_course(self):

cms/djangoapps/contentstore/views/component.py

@@ -449,8 +449,8 @@ def component_handler(request, usage_key_string, handler, suffix=''):
         log.info("XBlock %s attempted to access missing handler %r", descriptor, handler, exc_info=True)
         raise Http404
 
-    # unintentional update to handle any side effects of handle call; so, request user didn't author
-    # the change
-    modulestore().update_item(descriptor, None)
+    # unintentional update to handle any side effects of handle call
+    # could potentially be updating actual course data or simply caching its values
+    modulestore().update_item(descriptor, request.user.id)
 
     return webob_to_django_response(resp)

cms/djangoapps/contentstore/views/course.py

@@ -337,6 +337,7 @@ def create_new_course(request):
         new_course = modulestore().create_course(
             course_key.org,
             course_key.offering,
+            request.user.id,
             fields=fields,
         )
 

cms/djangoapps/contentstore/views/item.py

@@ -140,8 +140,8 @@ def xblock_handler(request, usage_key_string):
             dest_usage_key = _duplicate_item(
                 parent_usage_key,
                 duplicate_source_usage_key,
-                request.json.get('display_name'),
                 request.user,
+                request.json.get('display_name'),
             )
 
             return JsonResponse({"locator": unicode(dest_usage_key), "courseKey": unicode(dest_usage_key.course_key)})
@@ -193,8 +193,7 @@ def xblock_view_handler(request, usage_key_string, view_name):
                 log.debug("unable to render studio_view for %r", xblock, exc_info=True)
                 fragment = Fragment(render_to_string('html_error.html', {'message': str(exc)}))
 
-            # change not authored by requestor but by xblocks.
-            store.update_item(xblock, None)
+            store.update_item(xblock, request.user.id)
         elif view_name in (unit_views + container_views):
             is_container_view = (view_name in container_views)
 
@@ -432,7 +431,7 @@ def _create_item(request):
     return JsonResponse({"locator": unicode(created_block.location), "courseKey": unicode(created_block.location.course_key)})
 
 
-def _duplicate_item(parent_usage_key, duplicate_source_usage_key, display_name=None, user=None):
+def _duplicate_item(parent_usage_key, duplicate_source_usage_key, user, display_name=None):
     """
     Duplicate an existing xblock as a child of the supplied parent_usage_key.
     """
@@ -454,6 +453,8 @@ def _duplicate_item(parent_usage_key, duplicate_source_usage_key, display_name=N
 
     dest_module = store.create_and_save_xmodule(
         dest_usage_key,
+
+
         user.id,
         definition_data=source_item.get_explicitly_set_fields_by_scope(Scope.content),
         metadata=duplicate_metadata,
@@ -467,7 +468,7 @@ def _duplicate_item(parent_usage_key, duplicate_source_usage_key, display_name=N
         for child in source_item.children:
             dupe = _duplicate_item(dest_module.location, child, user=user)
             dest_module.children.append(dupe)
-        store.update_item(dest_module, user.id if user else None)
+        store.update_item(dest_module, user.id)
 
     if not 'detached' in source_item.runtime.load_block_type(category)._class_tags:
         parent = store.get_item(parent_usage_key)
@@ -478,7 +479,7 @@ def _duplicate_item(parent_usage_key, duplicate_source_usage_key, display_name=N
             parent.children.insert(source_index + 1, dest_module.location)
         else:
             parent.children.append(dest_module.location)
-        store.update_item(parent, user.id if user else None)
+        store.update_item(parent, user.id)
 
     return dest_module.location
 

cms/djangoapps/contentstore/views/tests/test_assets.py

@@ -51,7 +51,7 @@ class BasicAssetsTestCase(AssetsTestCase):
         module_store = modulestore()
         _, course_items = import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['toy'],
             static_content_store=contentstore(),
@@ -195,7 +195,7 @@ class LockAssetTestCase(AssetsTestCase):
         module_store = modulestore()
         _, course_items = import_from_xml(
             module_store,
-            '**replace_user**',
+            self.user.id,
             'common/test/data/',
             ['toy'],
             static_content_store=contentstore(),

cms/djangoapps/contentstore/views/tests/test_container_page.py

@@ -137,7 +137,7 @@ class ContainerPageTestCase(StudioPageTestCase):
         """
         empty_child_container = ItemFactory.create(parent_location=self.vertical.location,
                                                    category='split_test', display_name='Split Test')
-        published_empty_child_container = self.store.publish(empty_child_container.location, '**replace_user**')
+        published_empty_child_container = self.store.publish(empty_child_container.location, self.user.id)
         self.validate_preview_html(published_empty_child_container, self.reorderable_child_view,
                                    can_reorder=False, can_edit=False, can_add=False)
 

cms/djangoapps/contentstore/views/tests/test_item.py

@@ -25,10 +25,9 @@ from contentstore.tests.utils import CourseTestCase
 from student.tests.factories import UserFactory
 from xmodule.capa_module import CapaDescriptor
 from xmodule.modulestore import PublishState
-from xmodule.modulestore.django import modulestore
 from xmodule.x_module import STUDIO_VIEW, STUDENT_VIEW
 from xblock.exceptions import NoSuchHandlerError
-from opaque_keys.edx.keys import UsageKey
+from opaque_keys.edx.keys import UsageKey, CourseKey
 from opaque_keys.edx.locations import Location
 from xmodule.partitions.partitions import Group, UserPartition
 
@@ -40,7 +39,6 @@ class ItemTest(CourseTestCase):
 
         self.course_key = self.course.id
         self.usage_key = self.course.location
-        self.store = modulestore()
 
     def get_item_from_modulestore(self, usage_key, verify_is_draft=False):
         """

cms/djangoapps/contentstore/views/tests/test_unit_page.py

@@ -40,7 +40,7 @@ class UnitPageTestCase(StudioPageTestCase):
         """
         Verify that a public xblock's preview returns the expected HTML.
         """
-        published_video = self.store.publish(self.video.location, '**replace_user**')
+        published_video = self.store.publish(self.video.location, self.user.id)
         self.validate_preview_html(self.video, STUDENT_VIEW,
                                    can_edit=True, can_reorder=True, can_add=False)
 
@@ -60,7 +60,7 @@ class UnitPageTestCase(StudioPageTestCase):
                                              category='split_test', display_name='Split Test')
         ItemFactory.create(parent_location=child_container.location,
                            category='html', display_name='grandchild')
-        published_child_container = self.store.publish(child_container.location, '**replace_user**')
+        published_child_container = self.store.publish(child_container.location, self.user.id)
         self.validate_preview_html(published_child_container, STUDENT_VIEW,
                                    can_reorder=True, can_edit=True, can_add=False)
 

cms/djangoapps/models/settings/course_metadata.py

@@ -53,7 +53,7 @@ class CourseMetadata(object):
         return result
 
     @classmethod
-    def update_from_json(cls, descriptor, jsondict, filter_tabs=True, user=None):
+    def update_from_json(cls, descriptor, jsondict, user, filter_tabs=True):
         """
         Decode the json into CourseMetadata and save any changed attrs to the db.
 
@@ -84,6 +84,6 @@ class CourseMetadata(object):
             setattr(descriptor, key, value)
 
         if len(key_values) > 0:
-            modulestore().update_item(descriptor, user.id if user else None)
+            modulestore().update_item(descriptor, user.id)
 
         return cls.fetch(descriptor)

common/djangoapps/contentserver/tests/test.py

@@ -5,7 +5,6 @@ import copy
 import logging
 from uuid import uuid4
 
-from django.contrib.auth.models import User
 from django.conf import settings
 from django.test.client import Client
 from django.test.utils import override_settings
@@ -34,12 +33,16 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         """
         Create user and login.
         """
+        self.staff_pwd = super(ContentStoreToyCourseTest, self).setUp()
+        self.staff_usr = self.user
+        self.non_staff_usr, self.non_staff_pwd = self.create_non_staff_authed_user_client()
+
         self.client = Client()
         self.contentstore = contentstore()
 
         self.course_key = SlashSeparatedCourseKey('edX', 'toy', '2012_Fall')
 
-        import_from_xml(modulestore(), '**replace_user**', 'common/test/data/', ['toy'],
+        import_from_xml(modulestore(), self.user.id, 'common/test/data/', ['toy'],
                 static_content_store=self.contentstore, verbose=True)
 
         # A locked asset
@@ -52,24 +55,6 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
 
         self.contentstore.set_attr(self.locked_asset, 'locked', True)
 
-        # Create user
-        self.usr = 'testuser'
-        self.pwd = 'foo'
-        email = 'test+courses@edx.org'
-        self.user = User.objects.create_user(self.usr, email, self.pwd)
-        self.user.is_active = True
-        self.user.save()
-
-        # Create staff user
-        self.staff_usr = 'stafftestuser'
-        self.staff_pwd = 'foo'
-        staff_email = 'stafftest+courses@edx.org'
-        self.staff_user = User.objects.create_user(self.staff_usr, staff_email,
-                self.staff_pwd)
-        self.staff_user.is_active = True
-        self.staff_user.is_staff = True
-        self.staff_user.save()
-
     def tearDown(self):
 
         contentstore().drop_database()
@@ -97,7 +82,7 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         Test that locked assets behave appropriately in case user is logged in
         in but not registered for the course.
         """
-        self.client.login(username=self.usr, password=self.pwd)
+        self.client.login(username=self.non_staff_usr, password=self.non_staff_pwd)
         resp = self.client.get(self.url_locked)
         self.assertEqual(resp.status_code, 403) # pylint: disable=E1103
 
@@ -106,10 +91,10 @@ class ContentStoreToyCourseTest(ModuleStoreTestCase):
         Test that locked assets behave appropriately in case user is logged in
         and registered for the course.
         """
-        CourseEnrollment.enroll(self.user, self.course_key)
-        self.assertTrue(CourseEnrollment.is_enrolled(self.user, self.course_key))
+        CourseEnrollment.enroll(self.non_staff_usr, self.course_key)
+        self.assertTrue(CourseEnrollment.is_enrolled(self.non_staff_usr, self.course_key))
 
-        self.client.login(username=self.usr, password=self.pwd)
+        self.client.login(username=self.non_staff_usr, password=self.non_staff_pwd)
         resp = self.client.get(self.url_locked)
         self.assertEqual(resp.status_code, 200) # pylint: disable=E1103
 

common/djangoapps/external_auth/tests/test_shib.py

@@ -17,7 +17,6 @@ from django.utils.importlib import import_module
 
 from xmodule.modulestore.tests.factories import CourseFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, mixed_store_config
-from xmodule.modulestore.inheritance import own_metadata
 from xmodule.modulestore.django import modulestore
 from opaque_keys.edx.locations import SlashSeparatedCourseKey
 
@@ -80,7 +79,7 @@ class ShibSPTest(ModuleStoreTestCase):
     request_factory = RequestFactory()
 
     def setUp(self):
-        self.store = modulestore()
+        super(ShibSPTest, self).setUp(create_user=False)
 
     @unittest.skipUnless(settings.FEATURES.get('AUTH_USE_SHIB'), "AUTH_USE_SHIB not set")
     def test_exception_shib_login(self):
@@ -383,7 +382,7 @@ class ShibSPTest(ModuleStoreTestCase):
         for domain in ["", "shib:https://idp.stanford.edu/"]:
             # set domains
             course.enrollment_domain = domain
-            self.store.update_item(course, '**replace_user**')
+            self.store.update_item(course, self.user.id)
 
             # setting location to test that GET params get passed through
             login_request = self.request_factory.get('/course_specific_login/MITx/999/Robot_Super_Course' +
@@ -452,11 +451,11 @@ class ShibSPTest(ModuleStoreTestCase):
         # create 2 course, one with limited enrollment one without
         shib_course = CourseFactory.create(org='Stanford', number='123', display_name='Shib Only')
         shib_course.enrollment_domain = 'shib:https://idp.stanford.edu/'
-        self.store.update_item(shib_course, '**replace_user**')
+        self.store.update_item(shib_course, self.user.id)
 
         open_enroll_course = CourseFactory.create(org='MITx', number='999', display_name='Robot Super Course')
         open_enroll_course.enrollment_domain = ''
-        self.store.update_item(open_enroll_course, '**replace_user**')
+        self.store.update_item(open_enroll_course, self.user.id)
 
         # create 3 kinds of students, external_auth matching shib_course, external_auth not matching, no external auth
         shib_student = UserFactory.create()
@@ -522,7 +521,7 @@ class ShibSPTest(ModuleStoreTestCase):
 
         course = CourseFactory.create(org='Stanford', number='123', display_name='Shib Only')
         course.enrollment_domain = 'shib:https://idp.stanford.edu/'
-        self.store.update_item(course, '**replace_user**')
+        self.store.update_item(course, self.user.id)
 
         # use django test client for sessions and url processing
         # no enrollment before trying

common/djangoapps/student/tests/test_login.py

@@ -17,7 +17,6 @@ from student.views import _parse_course_id_from_string, _get_course_enrollment_d
 
 from xmodule.modulestore.tests.factories import CourseFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, mixed_store_config
-from xmodule.modulestore.inheritance import own_metadata
 from xmodule.modulestore.django import modulestore
 
 from external_auth.models import ExternalAuthMap
@@ -346,11 +345,11 @@ class ExternalAuthShibTest(ModuleStoreTestCase):
     Tests how login_user() interacts with ExternalAuth, in particular Shib
     """
     def setUp(self):
-        self.store = modulestore()
+        super(ExternalAuthShibTest, self).setUp()
         self.course = CourseFactory.create(org='Stanford', number='456', display_name='NO SHIB')
         self.shib_course = CourseFactory.create(org='Stanford', number='123', display_name='Shib Only')
         self.shib_course.enrollment_domain = 'shib:https://idp.stanford.edu/'
-        self.store.update_item(self.shib_course, '**replace_user**')
+        self.store.update_item(self.shib_course, self.user.id)
         self.user_w_map = UserFactory.create(email='withmap@stanford.edu')
         self.extauth = ExternalAuthMap(external_id='withmap@stanford.edu',
                                        external_email='withmap@stanford.edu',

common/djangoapps/util/testing.py

@@ -30,8 +30,8 @@ class UrlResetMixin(object):
         # Resolve a URL so that the new urlconf gets loaded
         resolve('/')
 
-    def setUp(self):
+    def setUp(self, **kwargs):
         """Reset django default urlconf before tests and after tests"""
-        super(UrlResetMixin, self).setUp()
+        super(UrlResetMixin, self).setUp(**kwargs)
         self._reset_urls()
         self.addCleanup(self._reset_urls)

common/lib/xmodule/xmodule/modulestore/__init__.py

@@ -76,8 +76,8 @@ class ModuleStoreEnum(object):
         """
         Values for user ID defaults
         """
-        # Note: we use negative values here to (try to) not conflict
-        # with user identifiers provided by an actual user service.
+        # Note: we use negative values here to (try to) not collide
+        # with user identifiers provided by actual user services.
 
         # user ID to use for all management commands
         mgmt_command = -1
@@ -307,7 +307,7 @@ class ModuleStoreWrite(ModuleStoreRead):
     __metaclass__ = ABCMeta
 
     @abstractmethod
-    def update_item(self, xblock, user_id=None, allow_not_found=False, force=False):
+    def update_item(self, xblock, user_id, allow_not_found=False, force=False):
         """
         Update the given xblock's persisted repr. Pass the user's unique id which the persistent store
         should save with the update if it has that ability.
@@ -323,7 +323,7 @@ class ModuleStoreWrite(ModuleStoreRead):
         pass
 
     @abstractmethod
-    def delete_item(self, location, user_id=None, **kwargs):
+    def delete_item(self, location, user_id, **kwargs):
         """
         Delete an item and its subtree from persistence. Remove the item from any parents (Note, does not
         affect parents from other branches or logical branches; thus, in old mongo, deleting something
@@ -342,7 +342,7 @@ class ModuleStoreWrite(ModuleStoreRead):
         pass
 
     @abstractmethod
-    def create_course(self, org, offering, user_id=None, fields=None, **kwargs):
+    def create_course(self, org, offering, user_id, fields=None, **kwargs):
         """
         Creates and returns the course.
 
@@ -532,7 +532,7 @@ class ModuleStoreWriteBase(ModuleStoreReadBase, ModuleStoreWrite):
             result[field.scope][field_name] = value
         return result
 
-    def update_item(self, xblock, user_id=None, allow_not_found=False, force=False):
+    def update_item(self, xblock, user_id, allow_not_found=False, force=False):
         """
         Update the given xblock's persisted repr. Pass the user's unique id which the persistent store
         should save with the update if it has that ability.
@@ -547,7 +547,7 @@ class ModuleStoreWriteBase(ModuleStoreReadBase, ModuleStoreWrite):
         """
         raise NotImplementedError
 
-    def delete_item(self, location, user_id=None, force=False):
+    def delete_item(self, location, user_id, force=False):
         """
         Delete an item from persistence. Pass the user's unique id which the persistent store
         should save with the update if it has that ability.

common/lib/xmodule/xmodule/modulestore/mixed.py

@@ -273,7 +273,7 @@ class MixedModuleStore(ModuleStoreWriteBase):
             errs.update(store.get_errored_courses())
         return errs
 
-    def create_course(self, org, offering, user_id=None, fields=None, **kwargs):
+    def create_course(self, org, offering, user_id, fields=None, **kwargs):
         """
         Creates and returns the course.
 
@@ -319,7 +319,7 @@ class MixedModuleStore(ModuleStoreWriteBase):
                 source_course_id, user_id, dest_course_id.org, dest_course_id.offering
             )
 
-    def create_item(self, course_or_parent_loc, category, user_id=None, **kwargs):
+    def create_item(self, course_or_parent_loc, category, user_id, **kwargs):
         """
         Create and return the item. If parent_loc is a specific location v a course id,
         it installs the new item as a child of the parent (if the parent_loc is a specific
@@ -346,7 +346,7 @@ class MixedModuleStore(ModuleStoreWriteBase):
             if parent_loc is not None and not 'detached' in xblock._class_tags:
                 parent = store.get_item(parent_loc)
                 parent.children.append(location)
-                store.update_item(parent)
+                store.update_item(parent, user_id)
         elif isinstance(store, SplitMongoModuleStore):
             if not isinstance(course_or_parent_loc, (CourseLocator, BlockUsageLocator)):
                 raise ValueError(u"Cannot create a child of {} in split. Wrong repr.".format(course_or_parent_loc))
@@ -371,7 +371,7 @@ class MixedModuleStore(ModuleStoreWriteBase):
         store = self._verify_modulestore_support(xblock.location, 'update_item')
         return store.update_item(xblock, user_id, allow_not_found)
 
-    def delete_item(self, location, user_id=None, **kwargs):
+    def delete_item(self, location, user_id, **kwargs):
         """
         Delete the given item from persistence. kwargs allow modulestore specific parameters.
         """

common/lib/xmodule/xmodule/modulestore/mongo/base.py

@@ -841,7 +841,7 @@ class MongoModuleStore(ModuleStoreWriteBase):
         modules = self._load_items(course_id, list(items))
         return modules
 
-    def create_course(self, org, offering, user_id=None, fields=None, **kwargs):
+    def create_course(self, org, offering, user_id, fields=None, **kwargs):
         """
         Creates and returns the course.
 
@@ -983,7 +983,7 @@ class MongoModuleStore(ModuleStoreWriteBase):
             self._update_single_item(parent, update)
             self._update_ancestors(parent, update)
 
-    def update_item(self, xblock, user_id=None, allow_not_found=False, force=False, isPublish=False,
+    def update_item(self, xblock, user_id, allow_not_found=False, force=False, isPublish=False,
                     is_publish_root=True):
         """
         Update the persisted version of xblock to reflect its current values.

common/lib/xmodule/xmodule/modulestore/mongo/draft.py

@@ -431,7 +431,7 @@ class DraftModuleStore(MongoModuleStore):
         # get_item will wrap_draft so don't call it here (otherwise, it would override the is_draft attribute)
         return self.get_item(location)
 
-    def update_item(self, xblock, user_id=None, allow_not_found=False, force=False, isPublish=False):
+    def update_item(self, xblock, user_id, allow_not_found=False, force=False, isPublish=False):
         """
         See superclass doc.
         In addition to the superclass's behavior, this method converts the unit to draft if it's not

common/lib/xmodule/xmodule/modulestore/tests/django_utils.py

@@ -4,8 +4,10 @@ Modulestore configuration for test cases.
 
 from uuid import uuid4
 from django.test import TestCase
+from django.contrib.auth.models import User
 from xmodule.modulestore.django import (
-    modulestore, clear_existing_modulestores, loc_mapper)
+    modulestore, clear_existing_modulestores, loc_mapper
+)
 from xmodule.modulestore import ModuleStoreEnum
 
 
@@ -126,18 +128,54 @@ class ModuleStoreTestCase(TestCase):
           `clear_existing_modulestores()` directly in
           your `setUp()` method.
     """
+    def setUp(self, **kwargs):
+        super(ModuleStoreTestCase, self).setUp()
 
-    @staticmethod
-    def update_course(course):
+        self.store = modulestore()
+
+        uname = 'testuser'
+        email = 'test+courses@edx.org'
+        password = 'foo'
+
+        if kwargs.pop('create_user', True):
+            # Create the user 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()
+
+        return password
+
+    def create_non_staff_authed_user_client(self):
+        """
+        Create a non-staff user, log them in (if authenticate=True), and return the client, user to use for testing.
+        """
+        uname = 'teststudent'
+        password = 'foo'
+        nonstaff = User.objects.create_user(uname, 'test+student@edx.org', password)
+
+        # Note that we do not actually need to do anything
+        # for registration if we directly mark them active.
+        nonstaff.is_active = True
+        nonstaff.is_staff = False
+        nonstaff.save()
+        return nonstaff, password
+
+    def update_course(self, course, user_id):
         """
         Updates the version of course in the modulestore
 
         'course' is an instance of CourseDescriptor for which we want
         to update metadata.
         """
-        store = modulestore()
-        store.update_item(course, '**replace_user**')
-        updated_course = store.get_course(course.id)
+        with self.store.branch_setting(ModuleStoreEnum.Branch.draft_preferred, course.id):
+            self.store.update_item(course, user_id)
+        updated_course = self.store.get_course(course.id)
         return updated_course
 
     @staticmethod

common/lib/xmodule/xmodule/modulestore/tests/factories.py

@@ -2,7 +2,7 @@ from factory import Factory, lazy_attribute_sequence, lazy_attribute
 from factory.containers import CyclicDefinitionError
 from uuid import uuid4
 
-from xmodule.modulestore import prefer_xmodules
+from xmodule.modulestore import prefer_xmodules, ModuleStoreEnum
 from opaque_keys.edx.locations import Location
 from xblock.core import XBlock
 from xmodule.tabs import StaticTab
@@ -52,6 +52,7 @@ class CourseFactory(XModuleFactory):
         store = kwargs.pop('modulestore')
         name = kwargs.get('name', kwargs.get('run', Location.clean(kwargs.get('display_name'))))
         run = kwargs.get('run', name)
+        user_id = kwargs.pop('user_id', ModuleStoreEnum.UserID.test)
 
         location = Location(org, number, run, 'course', name)
 
@@ -65,7 +66,7 @@ class CourseFactory(XModuleFactory):
         # Save the attributes we just set
         new_course.save()
         # Update the data in the mongo datastore
-        store.update_item(new_course, '**replace_user**')
+        store.update_item(new_course, user_id)
         return new_course
 
 
@@ -143,7 +144,7 @@ class ItemFactory(XModuleFactory):
         display_name = kwargs.pop('display_name', None)
         metadata = kwargs.pop('metadata', {})
         location = kwargs.pop('location')
-        user_id = kwargs.pop('user_id', 999)
+        user_id = kwargs.pop('user_id', ModuleStoreEnum.UserID.test)
 
         assert isinstance(location, Location)
         assert location != parent_location
@@ -175,11 +176,11 @@ class ItemFactory(XModuleFactory):
         # Save the attributes we just set
         module.save()
 
-        store.update_item(module, '**replace_user**')
+        store.update_item(module, user_id)
 
         if 'detached' not in module._class_tags:
             parent.children.append(location)
-            store.update_item(parent, '**replace_user**')
+            store.update_item(parent, user_id)
 
         # VS[compat] cdodge: This is a hack because static_tabs also have references from the course module, so
         # if we add one then we need to also add it to the policy information (i.e. metadata)
@@ -192,7 +193,7 @@ class ItemFactory(XModuleFactory):
                     url_slug=location.name,
                 )
             )
-            store.update_item(course, '**replace_user**')
+            store.update_item(course, user_id)
 
         return store.get_item(location)
 

common/lib/xmodule/xmodule/modulestore/tests/persistent_factories.py

@@ -33,7 +33,7 @@ class PersistentCourseFactory(SplitFactory):
 
     # pylint: disable=W0613
     @classmethod
-    def _create(cls, target_class, offering='999', org='testX', user_id='test_user',
+    def _create(cls, target_class, offering='999', org='testX', user_id=ModuleStoreEnum.UserID.test,
                 master_branch=ModuleStoreEnum.BranchName.draft, **kwargs):
 
         modulestore = kwargs.pop('modulestore')
@@ -59,7 +59,7 @@ class ItemFactory(SplitFactory):
     # pylint: disable=W0613
     @classmethod
     def _create(cls, target_class, parent_location, category='chapter',
-                user_id='test_user', block_id=None, definition_locator=None, force=False,
+                user_id=ModuleStoreEnum.UserID.test, block_id=None, definition_locator=None, force=False,
                 continue_version=False, **kwargs):
         """
         passes *kwargs* as the new item's field values:

common/lib/xmodule/xmodule/modulestore/tests/test_mixed_modulestore.py

@@ -116,7 +116,7 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         self.writable_chapter_location = self.store = self.fake_location = self.xml_chapter_location = None
         self.course_locations = []
 
-        self.user_id = 0
+        self.user_id = ModuleStoreEnum.UserID.test
 
     # pylint: disable=invalid-name
     def _create_course(self, default, course_key):
@@ -127,12 +127,12 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
             offering = course_key.offering.replace('/', '.')
         else:
             offering = course_key.offering
-        course = self.store.create_course(course_key.org, offering)
+        course = self.store.create_course(course_key.org, offering, self.user_id)
         category = self.writable_chapter_location.category
         block_id = self.writable_chapter_location.name
         chapter = self.store.create_item(
             # don't use course_location as it may not be the repr
-            course.location, category, location=self.writable_chapter_location, block_id=block_id
+            course.location, category, self.user_id, location=self.writable_chapter_location, block_id=block_id
         )
         if isinstance(course.id, CourseLocator):
             self.course_locations[self.MONGO_COURSEID] = course.location.version_agnostic()
@@ -184,7 +184,7 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         ]
 
         def create_sub_tree(parent, block_info):
-            block = self.store.create_item(parent.location, category=block_info.category, block_id=block_info.display_name)
+            block = self.store.create_item(parent.location, block_info.category, self.user_id, block_id=block_info.display_name)
             for tree in block_info.sub_tree:
                 create_sub_tree(block, tree)
             # reload the block to update its children field
@@ -306,13 +306,13 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         self.assertFalse(course.show_calculator, "Default changed making test meaningless")
         course.show_calculator = True
         with self.assertRaises(NotImplementedError):  # ensure it doesn't allow writing
-            self.store.update_item(course, None)
+            self.store.update_item(course, self.user_id)
         # now do it for a r/w db
         course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key)
         # if following raised, then the test is really a noop, change it
         self.assertFalse(course.show_calculator, "Default changed making test meaningless")
         course.show_calculator = True
-        self.store.update_item(course, None)
+        self.store.update_item(course, self.user_id)
         course = self.store.get_course(self.course_locations[self.MONGO_COURSEID].course_key)
         self.assertTrue(course.show_calculator)
 
@@ -324,8 +324,8 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         self.initdb(default_ms)
         # r/o try deleting the course (is here to ensure it can't be deleted)
         with self.assertRaises(NotImplementedError):
-            self.store.delete_item(self.xml_chapter_location, 13)
-        self.store.delete_item(self.writable_chapter_location, 9)
+            self.store.delete_item(self.xml_chapter_location, self.user_id)
+        self.store.delete_item(self.writable_chapter_location, self.user_id)
         # verify it's gone
         with self.assertRaises(ItemNotFoundError):
             self.store.get_item(self.writable_chapter_location)
@@ -367,7 +367,7 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         xml_store = self.store._get_modulestore_by_type(ModuleStoreEnum.Type.xml)
         # the important thing is not which exception it raises but that it raises an exception
         with self.assertRaises(AttributeError):
-            xml_store.create_course("org", "course/run", 999)
+            xml_store.create_course("org", "course/run", self.user_id)
 
     @ddt.data('draft', 'split')
     def test_get_course(self, default_ms):
@@ -547,7 +547,7 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         self.initdb(default_ms)
         # create an orphan
         course_id = self.course_locations[self.MONGO_COURSEID].course_key
-        orphan = self.store.create_item(course_id, 'problem', block_id='orphan')
+        orphan = self.store.create_item(course_id, 'problem', self.user_id, block_id='orphan')
         found_orphans = self.store.get_orphans(self.course_locations[self.MONGO_COURSEID].course_key)
         if default_ms == 'split':
             self.assertEqual(found_orphans, [orphan.location.version_agnostic()])
@@ -561,7 +561,7 @@ class TestMixedModuleStore(LocMapperSetupSansDjango):
         new location for the child
         """
         self.initdb(default_ms)
-        self.store.create_item(self.course_locations[self.MONGO_COURSEID], 'problem', block_id='orphan')
+        self.store.create_item(self.course_locations[self.MONGO_COURSEID], 'problem', self.user_id, block_id='orphan')
         orphans = self.store.get_orphans(self.course_locations[self.MONGO_COURSEID].course_key)
         self.assertEqual(len(orphans), 0, "unexpected orphans: {}".format(orphans))
 

common/lib/xmodule/xmodule/modulestore/tests/test_mongo.py

@@ -134,6 +134,14 @@ class TestMongoModuleStore(unittest.TestCase):
         # Destroy the test db.
         connection.drop_database(DB)
 
+    def setUp(self):
+        # make a copy for convenience
+        self.connection = TestMongoModuleStore.connection
+        self.dummy_user = ModuleStoreEnum.UserID.test
+
+    def tearDown(self):
+        pass
+
     def test_init(self):
         '''Make sure the db loads'''
         ids = list(self.connection[DB][COLLECTION].find({}, {'_id': True}))
@@ -351,7 +359,7 @@ class TestMongoModuleStore(unittest.TestCase):
         # set toy course to share the wiki with simple course
         toy_course = self.draft_store.get_course(SlashSeparatedCourseKey('edX', 'toy', '2012_Fall'))
         toy_course.wiki_slug = 'simple'
-        self.draft_store.update_item(toy_course)
+        self.draft_store.update_item(toy_course, ModuleStoreEnum.UserID.test)
 
         # now toy_course should not be retrievable with old wiki_slug
         course_locations = self.draft_store.get_courses_for_wiki('toy')
@@ -366,7 +374,7 @@ class TestMongoModuleStore(unittest.TestCase):
         # configure simple course to use unique wiki_slug.
         simple_course = self.draft_store.get_course(SlashSeparatedCourseKey('edX', 'simple', '2012_Fall'))
         simple_course.wiki_slug = 'edX.simple.2012_Fall'
-        self.draft_store.update_item(simple_course)
+        self.draft_store.update_item(simple_course, ModuleStoreEnum.UserID.test)
         # it should be retrievable with its new wiki_slug
         course_locations = self.draft_store.get_courses_for_wiki('edX.simple.2012_Fall')
         assert_equals(len(course_locations), 1)
@@ -491,11 +499,10 @@ class TestMongoModuleStore(unittest.TestCase):
         """
         course_location = Location('edx', 'direct', '2012_Fall', 'course', 'test_course')
         chapter_location = Location('edx', 'direct', '2012_Fall', 'chapter', 'test_chapter')
-        dummy_user = 123
 
         # Create dummy direct only xblocks
-        self.draft_store.create_and_save_xmodule(course_location, user_id=dummy_user)
-        self.draft_store.create_and_save_xmodule(chapter_location, user_id=dummy_user)
+        self.draft_store.create_and_save_xmodule(course_location, user_id=self.dummy_user)
+        self.draft_store.create_and_save_xmodule(chapter_location, user_id=self.dummy_user)
 
         # Check that neither xblock has changes
         self.assertFalse(self.draft_store.has_changes(course_location))
@@ -506,29 +513,28 @@ class TestMongoModuleStore(unittest.TestCase):
         Tests that has_changes() only returns true when changes are present
         """
         location = Location('edX', 'changes', '2012_Fall', 'vertical', 'test_vertical')
-        dummy_user = 123
 
         # Create a dummy component to test against
-        self.draft_store.create_and_save_xmodule(location, user_id=dummy_user)
+        self.draft_store.create_and_save_xmodule(location, user_id=self.dummy_user)
 
         # Not yet published, so changes are present
         self.assertTrue(self.draft_store.has_changes(location))
 
         # Publish and verify that there are no unpublished changes
-        self.draft_store.publish(location, dummy_user)
+        self.draft_store.publish(location, self.dummy_user)
         self.assertFalse(self.draft_store.has_changes(location))
 
         # Change the component, then check that there now are changes
         component = self.draft_store.get_item(location)
         component.display_name = 'Changed Display Name'
-        self.draft_store.update_item(component, dummy_user)
+        self.draft_store.update_item(component, self.dummy_user)
         self.assertTrue(self.draft_store.has_changes(location))
 
         # Publish and verify again
-        self.draft_store.publish(location, dummy_user)
+        self.draft_store.publish(location, self.dummy_user)
         self.assertFalse(self.draft_store.has_changes(location))
 
-    def _create_test_tree(self, name, user_id=123):
+    def _create_test_tree(self, name, user_id=None):
         """
         Creates and returns a tree with the following structure:
         Grandparent
@@ -538,6 +544,9 @@ class TestMongoModuleStore(unittest.TestCase):
                 Child Sibling
 
         """
+        if user_id is None:
+            user_id = self.dummy_user
+
         locations = {
             'grandparent': Location('edX', 'tree', name, 'chapter', 'grandparent'),
             'parent_sibling': Location('edX', 'tree', name, 'sequential', 'parent_sibling'),
@@ -566,7 +575,6 @@ class TestMongoModuleStore(unittest.TestCase):
         """
         Tests that has_changes() returns true on ancestors when a child is changed
         """
-        dummy_user = 123
         locations = self._create_test_tree('has_changes_ancestors')
 
         # Verify that there are no unpublished changes
@@ -576,7 +584,7 @@ class TestMongoModuleStore(unittest.TestCase):
         # Change the child
         child = self.draft_store.get_item(locations['child'])
         child.display_name = 'Changed Display Name'
-        self.draft_store.update_item(child, user_id=dummy_user)
+        self.draft_store.update_item(child, user_id=self.dummy_user)
 
         # All ancestors should have changes, but not siblings
         self.assertTrue(self.draft_store.has_changes(locations['grandparent']))
@@ -586,7 +594,7 @@ class TestMongoModuleStore(unittest.TestCase):
         self.assertFalse(self.draft_store.has_changes(locations['child_sibling']))
 
         # Publish the unit with changes
-        self.draft_store.publish(locations['parent'], dummy_user)
+        self.draft_store.publish(locations['parent'], self.dummy_user)
 
         # Verify that there are no unpublished changes
         for key in locations:
@@ -596,7 +604,6 @@ class TestMongoModuleStore(unittest.TestCase):
         """
         Tests that has_changes() returns false after a child is published only if all children are unchanged
         """
-        dummy_user = 123
         locations = self._create_test_tree('has_changes_publish_ancestors')
 
         # Verify that there are no unpublished changes
@@ -608,22 +615,22 @@ class TestMongoModuleStore(unittest.TestCase):
         child_sibling = self.draft_store.get_item(locations['child_sibling'])
         child.display_name = 'Changed Display Name'
         child_sibling.display_name = 'Changed Display Name'
-        self.draft_store.update_item(child, user_id=dummy_user)
-        self.draft_store.update_item(child_sibling, user_id=dummy_user)
+        self.draft_store.update_item(child, user_id=self.dummy_user)
+        self.draft_store.update_item(child_sibling, user_id=self.dummy_user)
 
         # Verify that ancestors have changes
         self.assertTrue(self.draft_store.has_changes(locations['grandparent']))
         self.assertTrue(self.draft_store.has_changes(locations['parent']))
 
         # Publish one child
-        self.draft_store.publish(locations['child_sibling'], dummy_user)
+        self.draft_store.publish(locations['child_sibling'], self.dummy_user)
 
         # Verify that ancestors still have changes
         self.assertTrue(self.draft_store.has_changes(locations['grandparent']))
         self.assertTrue(self.draft_store.has_changes(locations['parent']))
 
         # Publish the other child
-        self.draft_store.publish(locations['child'], dummy_user)
+        self.draft_store.publish(locations['child'], self.dummy_user)
 
         # Verify that ancestors now have no changes
         self.assertFalse(self.draft_store.has_changes(locations['grandparent']))
@@ -634,7 +641,6 @@ class TestMongoModuleStore(unittest.TestCase):
         Tests that has_changes() returns true for the parent when a child with changes is added
         and false when that child is removed.
         """
-        dummy_user = 123
         locations = self._create_test_tree('has_changes_add_remove_child')
 
         # Test that the ancestors don't have changes
@@ -643,10 +649,10 @@ class TestMongoModuleStore(unittest.TestCase):
 
         # Create a new child and attach it to parent
         new_child_location = Location('edX', 'tree', 'has_changes_add_remove_child', 'vertical', 'new_child')
-        self.draft_store.create_and_save_xmodule(new_child_location, user_id=dummy_user)
+        self.draft_store.create_and_save_xmodule(new_child_location, user_id=self.dummy_user)
         parent = self.draft_store.get_item(locations['parent'])
         parent.children += [new_child_location]
-        self.draft_store.update_item(parent, user_id=dummy_user)
+        self.draft_store.update_item(parent, user_id=self.dummy_user)
 
         # Verify that the ancestors now have changes
         self.assertTrue(self.draft_store.has_changes(locations['grandparent']))
@@ -655,7 +661,7 @@ class TestMongoModuleStore(unittest.TestCase):
         # Remove the child from the parent
         parent = self.draft_store.get_item(locations['parent'])
         parent.children = [locations['child'], locations['child_sibling']]
-        self.draft_store.update_item(parent, user_id=dummy_user)
+        self.draft_store.update_item(parent, user_id=self.dummy_user)
 
         # Verify that ancestors now have no changes
         self.assertFalse(self.draft_store.has_changes(locations['grandparent']))
@@ -665,15 +671,14 @@ class TestMongoModuleStore(unittest.TestCase):
         """
         Tests that has_changes() returns true after editing the child of a vertical (both not direct only categories).
         """
-        dummy_user = 123
         parent_location = Location('edX', 'test', 'non_direct_only_children', 'vertical', 'parent')
         child_location = Location('edX', 'test', 'non_direct_only_children', 'html', 'child')
 
-        parent = self.draft_store.create_and_save_xmodule(parent_location, user_id=dummy_user)
-        child = self.draft_store.create_and_save_xmodule(child_location, user_id=dummy_user)
+        parent = self.draft_store.create_and_save_xmodule(parent_location, user_id=self.dummy_user)
+        child = self.draft_store.create_and_save_xmodule(child_location, user_id=self.dummy_user)
         parent.children += [child_location]
-        self.draft_store.update_item(parent, user_id=dummy_user)
-        self.draft_store.publish(parent_location, dummy_user)
+        self.draft_store.update_item(parent, user_id=self.dummy_user)
+        self.draft_store.publish(parent_location, self.dummy_user)
 
         # Verify that there are no changes
         self.assertFalse(self.draft_store.has_changes(parent_location))
@@ -681,7 +686,7 @@ class TestMongoModuleStore(unittest.TestCase):
 
         # Change the child
         child.display_name = 'Changed Display Name'
-        self.draft_store.update_item(child, user_id=123)
+        self.draft_store.update_item(child, user_id=self.dummy_user)
 
         # Verify that both parent and child have changes
         self.assertTrue(self.draft_store.has_changes(parent_location))
@@ -693,7 +698,7 @@ class TestMongoModuleStore(unittest.TestCase):
         """
         create_user = 123
         edit_user = 456
-        locations = self._create_test_tree('update_edit_info_ancestors', create_user)
+        locations =self._create_test_tree('update_edit_info_ancestors', create_user)
 
         def check_node(location_key, after, before, edited_by, subtree_after, subtree_before, subtree_by):
             """
@@ -739,24 +744,23 @@ class TestMongoModuleStore(unittest.TestCase):
         Tests that edited_on and edited_by are set correctly during an update
         """
         location = Location('edX', 'editInfoTest', '2012_Fall', 'html', 'test_html')
-        dummy_user = 123
 
         # Create a dummy component to test against
-        self.draft_store.create_and_save_xmodule(location, user_id=dummy_user)
+        self.draft_store.create_and_save_xmodule(location, user_id=self.dummy_user)
 
         # Store the current edit time and verify that dummy_user created the component
         component = self.draft_store.get_item(location)
-        self.assertEqual(component.edited_by, dummy_user)
+        self.assertEqual(component.edited_by, self.dummy_user)
         old_edited_on = component.edited_on
 
         # Change the component
         component.display_name = component.display_name + ' Changed'
-        self.draft_store.update_item(component, dummy_user)
+        self.draft_store.update_item(component, self.dummy_user)
         updated_component = self.draft_store.get_item(location)
 
         # Verify the ordering of edit times and that dummy_user made the edit
         self.assertLess(old_edited_on, updated_component.edited_on)
-        self.assertEqual(updated_component.edited_by, dummy_user)
+        self.assertEqual(updated_component.edited_by, self.dummy_user)
 
     def test_update_published_info(self):
         """

common/lib/xmodule/xmodule/modulestore/tests/test_split_migrator.py

@@ -5,6 +5,7 @@ Tests for split_migrator
 import uuid
 import random
 import mock
+from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.mongo.base import MongoRevisionKey
 from xmodule.modulestore.loc_mapper_store import LocMapperStore
 from xmodule.modulestore.split_migrator import SplitMigrator
@@ -63,7 +64,7 @@ class TestMigration(SplitWMongoCourseBoostrapper):
         self.create_random_units(False, both_vert_loc)
         draft_both = self.draft_mongo.get_item(both_vert_loc)
         draft_both.display_name = 'Both vertical renamed'
-        self.draft_mongo.update_item(draft_both)
+        self.draft_mongo.update_item(draft_both, ModuleStoreEnum.UserID.test)
         self.create_random_units(True, both_vert_loc)
         # vertical in draft only (x2)
         draft_vert_loc = self.old_course_key.make_usage_key('vertical', uuid.uuid4().hex)

common/lib/xmodule/xmodule/modulestore/tests/test_split_modulestore.py

@@ -441,6 +441,7 @@ class SplitModuleTest(unittest.TestCase):
             }
         },
     }
+    
     @staticmethod
     def bootstrapDB():
         '''
@@ -489,6 +490,9 @@ class SplitModuleTest(unittest.TestCase):
         destination = CourseLocator(org="testx", offering="wonderful", branch=BRANCH_NAME_PUBLISHED)
         split_store.xblock_publish("test@edx.org", to_publish, destination, [to_publish], None)
 
+    def setUp(self):
+        self.user_id = random.getrandbits(32)
+
     def tearDown(self):
         """
         Clear persistence between each test.
@@ -817,7 +821,7 @@ class SplitModuleItemTests(SplitModuleTest):
         draft_course = CourseLocator(org='testx', offering='GreekHero', branch=BRANCH_NAME_DRAFT)
         published_course = CourseLocator(org='testx', offering='GreekHero', branch=BRANCH_NAME_PUBLISHED)
         head = draft_course.make_usage_key('course', 'head12345')
-        dummy_user = 'testUser'
+        dummy_user = ModuleStoreEnum.UserID.test
 
         # Not yet published, so changes are present
         self.assertTrue(modulestore().has_changes(head))
@@ -1217,7 +1221,7 @@ class TestItemCrud(SplitModuleTest):
 
         problem.max_attempts = 4
         problem.save()  # decache above setting into the kvs
-        updated_problem = modulestore().update_item(problem, '**replace_user**')
+        updated_problem = modulestore().update_item(problem, self.user_id)
         # check that course version changed and course's previous is the other one
         self.assertEqual(updated_problem.definition_locator.definition_id, pre_def_id)
         self.assertNotEqual(updated_problem.location.version_guid, pre_version_guid)
@@ -1232,7 +1236,7 @@ class TestItemCrud(SplitModuleTest):
 
         history_info = modulestore().get_course_history_info(current_course.location)
         self.assertEqual(history_info['previous_version'], pre_version_guid)
-        self.assertEqual(history_info['edited_by'], "**replace_user**")
+        self.assertEqual(history_info['edited_by'], self.user_id)
 
     def test_update_children(self):
         """
@@ -1249,7 +1253,7 @@ class TestItemCrud(SplitModuleTest):
         self.assertGreater(len(block.children), 0, "meaningless test")
         moved_child = block.children.pop()
         block.save()  # decache model changes
-        updated_problem = modulestore().update_item(block, '**replace_user**')
+        updated_problem = modulestore().update_item(block, self.user_id)
         # check that course version changed and course's previous is the other one
         self.assertEqual(updated_problem.definition_locator.definition_id, pre_def_id)
         self.assertNotEqual(updated_problem.location.version_guid, pre_version_guid)
@@ -1258,7 +1262,7 @@ class TestItemCrud(SplitModuleTest):
         locator = locator.course_key.make_usage_key('Chapter', "chapter1")
         other_block = modulestore().get_item(locator)
         other_block.children.append(moved_child)
-        other_updated = modulestore().update_item(other_block, '**replace_user**')
+        other_updated = modulestore().update_item(other_block, self.user_id)
         self.assertIn(moved_child.version_agnostic(), version_agnostic(other_updated.children))
 
     def test_update_definition(self):
@@ -1274,7 +1278,7 @@ class TestItemCrud(SplitModuleTest):
 
         block.grading_policy['GRADER'][0]['min_count'] = 13
         block.save()  # decache model changes
-        updated_block = modulestore().update_item(block, '**replace_user**')
+        updated_block = modulestore().update_item(block, self.user_id)
 
         self.assertNotEqual(updated_block.definition_locator.definition_id, pre_def_id)
         self.assertNotEqual(updated_block.location.version_guid, pre_version_guid)
@@ -1320,7 +1324,7 @@ class TestItemCrud(SplitModuleTest):
         block.advertised_start = "Soon"
 
         block.save()  # decache model changes
-        updated_block = modulestore().update_item(block, "**replace_user**")
+        updated_block = modulestore().update_item(block, self.user_id)
         self.assertNotEqual(updated_block.definition_locator.definition_id, pre_def_id)
         self.assertNotEqual(updated_block.location.version_guid, pre_version_guid)
         self.assertEqual(updated_block.grading_policy['GRADER'][0]['min_count'], 13)
@@ -1330,13 +1334,13 @@ class TestItemCrud(SplitModuleTest):
     def test_delete_item(self):
         course = self.create_course_for_deletion()
         with self.assertRaises(ValueError):
-            modulestore().delete_item(course.location, 'deleting_user')
+            modulestore().delete_item(course.location, self.user_id)
         reusable_location = course.id.version_agnostic().for_branch(BRANCH_NAME_DRAFT)
 
         # delete a leaf
         problems = modulestore().get_items(reusable_location, category='problem')
         locn_to_del = problems[0].location
-        new_course_loc = modulestore().delete_item(locn_to_del, 'deleting_user')
+        new_course_loc = modulestore().delete_item(locn_to_del, self.user_id)
         deleted = locn_to_del.version_agnostic()
         self.assertFalse(modulestore().has_item(deleted))
         with self.assertRaises(VersionConflictError):
@@ -1347,7 +1351,7 @@ class TestItemCrud(SplitModuleTest):
 
         # delete a subtree
         nodes = modulestore().get_items(reusable_location, category='chapter')
-        new_course_loc = modulestore().delete_item(nodes[0].location, 'deleting_user')
+        new_course_loc = modulestore().delete_item(nodes[0].location, self.user_id)
         # check subtree
 
         def check_subtree(node):
@@ -1582,7 +1586,6 @@ class TestPublish(SplitModuleTest):
     """
     def setUp(self):
         SplitModuleTest.setUp(self)
-        self.user = random.getrandbits(32)
 
     def tearDown(self):
         SplitModuleTest.tearDown(self)
@@ -1597,14 +1600,14 @@ class TestPublish(SplitModuleTest):
         chapter1 = source_course.make_usage_key('chapter', 'chapter1')
         chapter2 = source_course.make_usage_key('chapter', 'chapter2')
         chapter3 = source_course.make_usage_key('chapter', 'chapter3')
-        modulestore().xblock_publish(self.user, source_course, dest_course, [head], [chapter2, chapter3])
+        modulestore().xblock_publish(self.user_id, source_course, dest_course, [head], [chapter2, chapter3])
         expected = [head.block_id, chapter1.block_id]
         self._check_course(
             source_course, dest_course, expected, [chapter2.block_id, chapter3.block_id, "problem1", "problem3_2"]
         )
         # add a child under chapter1
         new_module = modulestore().create_item(
-            chapter1, "sequential", self.user,
+            chapter1, "sequential", self.user_id,
             fields={'display_name': 'new sequential'},
         )
         # remove chapter1 from expected b/c its pub'd version != the source anymore since source changed
@@ -1613,7 +1616,7 @@ class TestPublish(SplitModuleTest):
         with self.assertRaises(ItemNotFoundError):
             modulestore().get_item(new_module.location.map_into_course(dest_course))
         # publish it
-        modulestore().xblock_publish(self.user, source_course, dest_course, [new_module.location], None)
+        modulestore().xblock_publish(self.user_id, source_course, dest_course, [new_module.location], None)
         expected.append(new_module.location.block_id)
         # check that it is in the published course and that its parent is the chapter
         pub_module = modulestore().get_item(new_module.location.map_into_course(dest_course))
@@ -1622,10 +1625,10 @@ class TestPublish(SplitModuleTest):
         )
         # ensure intentionally orphaned blocks work (e.g., course_info)
         new_module = modulestore().create_item(
-            source_course, "course_info", self.user, block_id="handouts"
+            source_course, "course_info", self.user_id, block_id="handouts"
         )
         # publish it
-        modulestore().xblock_publish(self.user, source_course, dest_course, [new_module.location], None)
+        modulestore().xblock_publish(self.user_id, source_course, dest_course, [new_module.location], None)
         expected.append(new_module.location.block_id)
         # check that it is in the published course (no error means it worked)
         pub_module = modulestore().get_item(new_module.location.map_into_course(dest_course))
@@ -1644,15 +1647,15 @@ class TestPublish(SplitModuleTest):
         chapter3 = source_course.make_usage_key('chapter', 'chapter3')
         problem1 = source_course.make_usage_key('problem', 'problem1')
         with self.assertRaises(ItemNotFoundError):
-            modulestore().xblock_publish(self.user, source_course, destination_course, [chapter3], None)
+            modulestore().xblock_publish(self.user_id, source_course, destination_course, [chapter3], None)
         # publishing into a new branch w/o publishing the root
         destination_course = CourseLocator(org='testx', offering='GreekHero', branch=BRANCH_NAME_PUBLISHED)
         with self.assertRaises(ItemNotFoundError):
-            modulestore().xblock_publish(self.user, source_course, destination_course, [chapter3], None)
+            modulestore().xblock_publish(self.user_id, source_course, destination_course, [chapter3], None)
         # publishing a subdag w/o the parent already in course
-        modulestore().xblock_publish(self.user, source_course, destination_course, [head], [chapter3])
+        modulestore().xblock_publish(self.user_id, source_course, destination_course, [head], [chapter3])
         with self.assertRaises(ItemNotFoundError):
-            modulestore().xblock_publish(self.user, source_course, destination_course, [problem1], [])
+            modulestore().xblock_publish(self.user_id, source_course, destination_course, [problem1], [])
 
     def test_move_delete(self):
         """
@@ -1663,7 +1666,7 @@ class TestPublish(SplitModuleTest):
         head = source_course.make_usage_key('course', "head12345")
         chapter2 = source_course.make_usage_key('chapter', 'chapter2')
         problem1 = source_course.make_usage_key('problem', 'problem1')
-        modulestore().xblock_publish(self.user, source_course, dest_course, [head], [chapter2])
+        modulestore().xblock_publish(self.user_id, source_course, dest_course, [head], [chapter2])
         expected = ["head12345", "chapter1", "chapter3", "problem1", "problem3_2"]
         self._check_course(source_course, dest_course, expected, ["chapter2"])
         # now move problem1 and delete problem3_2
@@ -1671,8 +1674,8 @@ class TestPublish(SplitModuleTest):
         chapter3 = modulestore().get_item(source_course.make_usage_key("chapter", "chapter3"))
         chapter1.children.append(problem1)
         chapter3.children.remove(problem1.map_into_course(chapter3.location.course_key))
-        modulestore().delete_item(source_course.make_usage_key("problem", "problem3_2"), self.user)
-        modulestore().xblock_publish(self.user, source_course, dest_course, [head], [chapter2])
+        modulestore().delete_item(source_course.make_usage_key("problem", "problem3_2"), self.user_id)
+        modulestore().xblock_publish(self.user_id, source_course, dest_course, [head], [chapter2])
         expected = ["head12345", "chapter1", "chapter3", "problem1"]
         self._check_course(source_course, dest_course, expected, ["chapter2", "problem3_2"])
 
@@ -1681,7 +1684,7 @@ class TestPublish(SplitModuleTest):
         Check that the course has the expected blocks and does not have the unexpected blocks
         """
         history_info = modulestore().get_course_history_info(dest_course_loc)
-        self.assertEqual(history_info['edited_by'], self.user)
+        self.assertEqual(history_info['edited_by'], self.user_id)
         for expected in expected_blocks:
             # since block_type has no impact on identity, we can just provide an empty string
             source = modulestore().get_item(source_course_loc.make_usage_key("", expected))
@@ -1690,8 +1693,8 @@ class TestPublish(SplitModuleTest):
             self.assertEqual(source.category, pub_copy.category)
             self.assertEqual(source.update_version, pub_copy.update_version)
             self.assertEqual(
-                self.user, pub_copy.edited_by,
-                "{} edited_by {} not {}".format(pub_copy.location, pub_copy.edited_by, self.user)
+                self.user_id, pub_copy.edited_by,
+                "{} edited_by {} not {}".format(pub_copy.location, pub_copy.edited_by, self.user_id)
             )
             for field in source.fields.values():
                 if field.name == 'children':

common/lib/xmodule/xmodule/modulestore/tests/test_split_w_old_mongo.py

@@ -10,7 +10,6 @@ from xmodule.modulestore.split_mongo.split import SplitMongoModuleStore
 from xmodule.modulestore.mongo import MongoModuleStore, DraftMongoModuleStore
 from xmodule.modulestore.mongo.draft import DIRECT_ONLY_CATEGORIES
 from xmodule.modulestore import ModuleStoreEnum
-from mock import Mock
 
 
 class SplitWMongoCourseBoostrapper(unittest.TestCase):
@@ -138,6 +137,6 @@ class SplitWMongoCourseBoostrapper(unittest.TestCase):
             self.split_mongo.create_course(
                 self.split_course_key.org, self.split_course_key.offering, self.userid, fields=fields, root_block_id='runid'
             )
-        old_course = self.old_mongo.create_course(self.split_course_key.org, 'test_course/runid', fields=fields)
+        old_course = self.old_mongo.create_course(self.split_course_key.org, 'test_course/runid', self.userid, fields=fields)
         self.old_course_key = old_course.id
         self.runtime = old_course.runtime

common/lib/xmodule/xmodule/modulestore/xml_importer.py

@@ -169,7 +169,7 @@ def import_from_xml(
         # Creates a new course if it doesn't already exist
         if create_new_course_if_not_present and not store.has_course(dest_course_id, ignore_case=True):
             try:
-                store.create_course(dest_course_id.org, dest_course_id.offering)
+                store.create_course(dest_course_id.org, dest_course_id.offering, user_id)
             except InvalidLocationError:
                 # course w/ same org and course exists 
                 log.debug(

common/lib/xmodule/xmodule/split_test_module.py

@@ -559,7 +559,7 @@ class SplitTestDescriptor(SplitTestFields, SequenceDescriptor, StudioEditableDes
                 changed = True
 
         if changed:
-            # request does not have a user attribute, so pass None for user.
+            # TODO user.id - to be fixed by Publishing team
             self.system.modulestore.update_item(self, None)
         return Response()
 

common/lib/xmodule/xmodule/video_module/video_module.py

@@ -283,7 +283,7 @@ class VideoDescriptor(VideoFields, VideoStudioViewHandlers, TabsEditingDescripto
         Save module with updated metadata to database."
         """
         self.save()
-        self.runtime.modulestore.update_item(self, user.id if user else None)
+        self.runtime.modulestore.update_item(self, user.id)
 
     @property
     def editable_metadata_fields(self):

lms/djangoapps/branding/tests.py

@@ -28,12 +28,12 @@ class AnonymousIndexPageTest(ModuleStoreTestCase):
     Tests that anonymous users can access the '/' page,  Need courses with start date
     """
     def setUp(self):
-        self.store = modulestore()
+        super(AnonymousIndexPageTest, self).setUp()
         self.factory = RequestFactory()
         self.course = CourseFactory.create()
         self.course.days_early_for_beta = 5
         self.course.enrollment_start = datetime.datetime.now(UTC) + datetime.timedelta(days=3)
-        self.store.update_item(self.course, '**replace_user**')
+        self.store.update_item(self.course, self.user.id)
 
     @override_settings(FEATURES=FEATURES_WITH_STARTDATE)
     def test_none_user_index_access_with_startdate_fails(self):

lms/djangoapps/courseware/management/commands/tests/test_dump_course.py

@@ -18,6 +18,7 @@ from courseware.tests.modulestore_config import TEST_DATA_XML_MODULESTORE
 from courseware.tests.modulestore_config import TEST_DATA_MIXED_MODULESTORE
 from courseware.tests.modulestore_config import TEST_DATA_MONGO_MODULESTORE
 
+from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory
@@ -56,7 +57,7 @@ class CommandsTestBase(TestCase):
         courses = store.get_courses()
         # NOTE: if xml store owns these, it won't import them into mongo
         if SlashSeparatedCourseKey.from_deprecated_string(TEST_COURSE_ID) not in [c.id for c in courses]:
-            import_from_xml(store, "**replace_user**", DATA_DIR, ['toy', 'simple'])
+            import_from_xml(store, ModuleStoreEnum.UserID.mgmt_command, DATA_DIR, ['toy', 'simple'])
 
         return [course.id for course in store.get_courses()]
 

lms/djangoapps/courseware/tests/__init__.py

@@ -132,6 +132,7 @@ class BaseTestXmodule(ModuleStoreTestCase):
         self.assertTrue(all(self.login_statuses))
 
     def setUp(self):
+        super(BaseTestXmodule, self).setUp()
         self.setup_course()
         self.initialize_module(metadata=self.METADATA, data=self.DATA)
 

lms/djangoapps/courseware/tests/helpers.py

@@ -67,7 +67,7 @@ class LoginEnrollmentTestCase(TestCase):
         self.email = 'foo@test.com'
         self.password = 'bar'
         self.username = 'test'
-        self.create_account(self.username,
+        self.user = self.create_account(self.username,
                             self.email, self.password)
         self.activate_user(self.email)
         self.login(self.email, self.password)
@@ -107,7 +107,9 @@ class LoginEnrollmentTestCase(TestCase):
         data = json.loads(resp.content)
         self.assertEqual(data['success'], True)
         # Check both that the user is created, and inactive
-        self.assertFalse(User.objects.get(email=email).is_active)
+        user = User.objects.get(email=email)
+        self.assertFalse(user.is_active)
+        return user
 
     def activate_user(self, email):
         """

lms/djangoapps/courseware/tests/test_submitting_problems.py

@@ -19,8 +19,6 @@ from django.test.utils import override_settings
 from courseware import grades
 from courseware.models import StudentModule
 
-from xmodule.modulestore.django import modulestore
-
 #import factories and parent testcase modules
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
@@ -46,7 +44,7 @@ class TestSubmittingProblems(ModuleStoreTestCase, LoginEnrollmentTestCase):
 
     def setUp(self):
 
-        super(TestSubmittingProblems, self).setUp()
+        super(TestSubmittingProblems, self).setUp(create_user=False)
         # Create course
         self.course = CourseFactory.create(display_name=self.COURSE_NAME, number=self.COURSE_SLUG)
         assert self.course, "Couldn't load course %r" % self.COURSE_NAME
@@ -64,7 +62,7 @@ class TestSubmittingProblems(ModuleStoreTestCase, LoginEnrollmentTestCase):
         """
         Re-fetch the course from the database so that the object being dealt with has everything added to it.
         """
-        self.course = modulestore().get_course(self.course.id)
+        self.course = self.store.get_course(self.course.id)
 
     def problem_location(self, problem_url_name):
         """
@@ -230,8 +228,7 @@ class TestCourseGrader(TestSubmittingProblems):
         """
 
         self.course.grading_policy = grading_policy
-        store = modulestore()
-        store.update_item(self.course, '**replace_user**')
+        self.update_course(self.course, self.student_user.id)
         self.refresh_course()
 
     def get_grade_summary(self):

lms/djangoapps/courseware/tests/test_video_handlers.py

@@ -411,7 +411,7 @@ class TestTranscriptTranslationGetDispatch(TestVideo):
         self.course.static_asset_path = 'dummy/static'
         self.course.save()
         store = modulestore()
-        store.update_item(self.course, 'OEoXaMPEzfM')
+        store.update_item(self.course, self.user.id)
 
         # Test youtube style en
         request = Request.blank('/translation/en?videoId=12345')

lms/djangoapps/courseware/tests/test_view_authentication.py

@@ -110,6 +110,7 @@ class TestViewAuth(ModuleStoreTestCase, LoginEnrollmentTestCase):
         return super(TestViewAuth, self).login(user.email, 'test')
 
     def setUp(self):
+        super(TestViewAuth, self).setUp()
 
         self.course = CourseFactory.create(number='999', display_name='Robot_Super_Course')
         self.courseware_chapter = ItemFactory.create(display_name='courseware')
@@ -296,8 +297,8 @@ class TestViewAuth(ModuleStoreTestCase, LoginEnrollmentTestCase):
         tomorrow = now + datetime.timedelta(days=1)
         self.course.start = tomorrow
         self.test_course.start = tomorrow
-        self.course = self.update_course(self.course)
-        self.test_course = self.update_course(self.test_course)
+        self.course = self.update_course(self.course, self.user.id)
+        self.test_course = self.update_course(self.test_course, self.user.id)
 
         self.assertFalse(self.course.has_started())
         self.assertFalse(self.test_course.has_started())
@@ -321,8 +322,8 @@ class TestViewAuth(ModuleStoreTestCase, LoginEnrollmentTestCase):
         tomorrow = now + datetime.timedelta(days=1)
         self.course.start = tomorrow
         self.test_course.start = tomorrow
-        self.course = self.update_course(self.course)
-        self.test_course = self.update_course(self.test_course)
+        self.course = self.update_course(self.course, self.user.id)
+        self.test_course = self.update_course(self.test_course, self.user.id)
 
         self.login(self.instructor_user)
         # Enroll in the classes---can't see courseware otherwise.
@@ -345,8 +346,8 @@ class TestViewAuth(ModuleStoreTestCase, LoginEnrollmentTestCase):
 
         self.course.start = tomorrow
         self.test_course.start = tomorrow
-        self.course = self.update_course(self.course)
-        self.test_course = self.update_course(self.test_course)
+        self.course = self.update_course(self.course, self.user.id)
+        self.test_course = self.update_course(self.test_course, self.user.id)
 
         self.login(self.global_staff_user)
         self.enroll(self.course, True)
@@ -373,8 +374,8 @@ class TestViewAuth(ModuleStoreTestCase, LoginEnrollmentTestCase):
         # test_course course's has
         self.test_course.enrollment_start = yesterday
         self.test_course.enrollment_end = tomorrow
-        self.course = self.update_course(self.course)
-        self.test_course = self.update_course(self.test_course)
+        self.course = self.update_course(self.course, self.user.id)
+        self.test_course = self.update_course(self.test_course, self.user.id)
 
         # First, try with an enrolled student
         self.login(self.unenrolled_user)

lms/djangoapps/courseware/tests/tests.py

@@ -142,9 +142,8 @@ class TestMongoCoursesLoad(ModuleStoreTestCase, PageLoaderTestCase):
         super(TestMongoCoursesLoad, self).setUp()
         self.setup_user()
 
-        # Import the toy course into a Mongo-backed modulestore
-        self.store = modulestore()
-        import_from_xml(self.store, "**replace_user**", TEST_DATA_DIR, ['toy'])
+        # Import the toy course
+        import_from_xml(self.store, self.user.id, TEST_DATA_DIR, ['toy'])
 
     @mock.patch('xmodule.course_module.requests.get')
     def test_toy_textbooks_loads(self, mock_get):

lms/djangoapps/dashboard/tests/test_sysadmin.py

@@ -54,7 +54,7 @@ class SysadminBaseTestCase(ModuleStoreTestCase):
 
     def setUp(self):
         """Setup test case by adding primary user."""
-        super(SysadminBaseTestCase, self).setUp()
+        super(SysadminBaseTestCase, self).setUp(create_user=False)
         self.user = UserFactory.create(username='test_user',
                                        email='test_user+sysadmin@edx.org',
                                        password='foo')
@@ -129,6 +129,9 @@ class TestSysadmin(SysadminBaseTestCase):
             response = self.client.get(reverse(view))
             self.assertEqual(response.status_code, 302)
 
+        self.user.is_staff = False
+        self.user.save()
+
         logged_in = self.client.login(username=self.user.username,
                                       password='foo')
         self.assertTrue(logged_in)

lms/djangoapps/django_comment_client/base/tests.py

@@ -41,7 +41,7 @@ class ViewsTestCase(UrlResetMixin, ModuleStoreTestCase, MockRequestSetupMixin):
         # Patching the ENABLE_DISCUSSION_SERVICE value affects the contents of urls.py,
         # so we need to call super.setUp() which reloads urls.py (because
         # of the UrlResetMixin)
-        super(ViewsTestCase, self).setUp()
+        super(ViewsTestCase, self).setUp(create_user=False)
 
         # create a course
         self.course = CourseFactory.create(org='MITx', course='999',

lms/djangoapps/instructor_task/tests/test_base.py

@@ -208,7 +208,7 @@ class InstructorTaskModuleTestCase(InstructorTaskCourseTestCase):
         location = InstructorTaskTestCase.problem_location(problem_url_name)
         item = self.module_store.get_item(location)
         item.data = problem_xml
-        self.module_store.update_item(item, '**replace_user**')
+        self.module_store.update_item(item, self.user.id)
 
     def get_student_module(self, username, descriptor):
         """Get StudentModule object for test course, given the `username` and the problem's `descriptor`."""

lms/djangoapps/instructor_task/tests/test_integration.py

@@ -105,6 +105,9 @@ class TestRescoringTask(TestIntegrationTask):
         self.create_student('u4')
         self.logout()
 
+        # set up test user for performing test operations
+        self.setup_user()
+
     def render_problem(self, username, problem_url_name):
         """
         Use ajax interface to request html for a problem.
@@ -294,7 +297,7 @@ class TestRescoringTask(TestIntegrationTask):
                 InstructorTaskModuleTestCase.problem_location(problem_url_name)
             )
             descriptor.data = problem_xml
-            self.module_store.update_item(descriptor, '**replace_user**')
+            self.module_store.update_item(descriptor, self.user.id)
         else:
             # Use "per-student" rerandomization so that check-problem can be called more than once.
             # Using "always" means we cannot check a problem twice, but we want to call once to get the