revert: fix: Remove pointless Maintenance and Announcement apps

.github/workflows/unit-test-shards.json

@@ -239,6 +239,7 @@
       "cms/djangoapps/cms_user_tasks/",
       "cms/djangoapps/course_creators/",
       "cms/djangoapps/export_course_metadata/",
+      "cms/djangoapps/maintenance/",
       "cms/djangoapps/models/",
       "cms/djangoapps/pipeline_js/",
       "cms/djangoapps/xblock_config/",

cms/djangoapps/maintenance/tests.py

@@ -0,0 +1,194 @@
+"""
+Tests for the maintenance app views.
+"""
+
+
+import ddt
+from django.conf import settings
+from django.urls import reverse
+
+from common.djangoapps.student.tests.factories import AdminFactory, UserFactory
+from openedx.features.announcements.models import Announcement
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase  # lint-amnesty, pylint: disable=wrong-import-order
+
+from .views import MAINTENANCE_VIEWS
+
+# This list contains URLs of all maintenance app views.
+MAINTENANCE_URLS = [reverse(view['url']) for view in MAINTENANCE_VIEWS.values()]
+
+
+class TestMaintenanceIndex(ModuleStoreTestCase):
+    """
+    Tests for maintenance index view.
+    """
+
+    def setUp(self):
+        super().setUp()
+        self.user = AdminFactory()
+        login_success = self.client.login(username=self.user.username, password=self.TEST_PASSWORD)
+        self.assertTrue(login_success)
+        self.view_url = reverse('maintenance:maintenance_index')
+
+    def test_maintenance_index(self):
+        """
+        Test that maintenance index view lists all the maintenance app views.
+        """
+        response = self.client.get(self.view_url)
+        self.assertContains(response, 'Maintenance', status_code=200)
+
+        # Check that all the expected links appear on the index page.
+        for url in MAINTENANCE_URLS:
+            self.assertContains(response, url, status_code=200)
+
+
+@ddt.ddt
+class MaintenanceViewTestCase(ModuleStoreTestCase):
+    """
+    Base class for maintenance view tests.
+    """
+    view_url = ''
+
+    def setUp(self):
+        super().setUp()
+        self.user = AdminFactory()
+        login_success = self.client.login(username=self.user.username, password=self.TEST_PASSWORD)
+        self.assertTrue(login_success)
+
+    def verify_error_message(self, data, error_message):
+        """
+        Verify the response contains error message.
+        """
+        response = self.client.post(self.view_url, data=data, HTTP_X_REQUESTED_WITH='XMLHttpRequest')
+        self.assertContains(response, error_message, status_code=200)
+
+    def tearDown(self):
+        """
+        Reverse the setup.
+        """
+        self.client.logout()
+        super().tearDown()
+
+
+@ddt.ddt
+class MaintenanceViewAccessTests(MaintenanceViewTestCase):
+    """
+    Tests for access control of maintenance views.
+    """
+    @ddt.data(*MAINTENANCE_URLS)
+    def test_require_login(self, url):
+        """
+        Test that maintenance app requires user login.
+        """
+        # Log out then try to retrieve the page
+        self.client.logout()
+        response = self.client.get(url)
+
+        # Expect a redirect to the login page
+        redirect_url = '{login_url}?next={original_url}'.format(
+            login_url=settings.LOGIN_URL,
+            original_url=url,
+        )
+
+        # Studio login redirects to LMS login
+        self.assertRedirects(response, redirect_url, target_status_code=302)
+
+    @ddt.data(*MAINTENANCE_URLS)
+    def test_global_staff_access(self, url):
+        """
+        Test that all maintenance app views are accessible to global staff user.
+        """
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+
+    @ddt.data(*MAINTENANCE_URLS)
+    def test_non_global_staff_access(self, url):
+        """
+        Test that all maintenance app views are not accessible to non-global-staff user.
+        """
+        user = UserFactory(username='test', email='test@example.com', password=self.TEST_PASSWORD)
+        login_success = self.client.login(username=user.username, password=self.TEST_PASSWORD)
+        self.assertTrue(login_success)
+
+        response = self.client.get(url)
+        self.assertContains(
+            response,
+            f'Must be {settings.PLATFORM_NAME} staff to perform this action.',
+            status_code=403
+        )
+
+
+@ddt.ddt
+class TestAnnouncementsViews(MaintenanceViewTestCase):
+    """
+    Tests for the announcements edit view.
+    """
+
+    def setUp(self):
+        super().setUp()
+        self.admin = AdminFactory.create(
+            email='staff@edx.org',
+            username='admin',
+            password=self.TEST_PASSWORD
+        )
+        self.client.login(username=self.admin.username, password=self.TEST_PASSWORD)
+        self.non_staff_user = UserFactory.create(
+            email='test@edx.org',
+            username='test',
+            password=self.TEST_PASSWORD
+        )
+
+    def test_index(self):
+        """
+        Test create announcement view
+        """
+        url = reverse("maintenance:announcement_index")
+        response = self.client.get(url)
+        self.assertContains(response, '<div class="announcement-container">')
+
+    def test_create(self):
+        """
+        Test create announcement view
+        """
+        url = reverse("maintenance:announcement_create")
+        self.client.post(url, {"content": "Test Create Announcement", "active": True})
+        result = Announcement.objects.filter(content="Test Create Announcement").exists()
+        self.assertTrue(result)
+
+    def test_edit(self):
+        """
+        Test edit announcement view
+        """
+        announcement = Announcement.objects.create(content="test")
+        announcement.save()
+        url = reverse("maintenance:announcement_edit", kwargs={"pk": announcement.pk})
+        response = self.client.get(url)
+        self.assertContains(response, '<div class="wrapper-form announcement-container">')
+        self.client.post(url, {"content": "Test Edit Announcement", "active": True})
+        announcement = Announcement.objects.get(pk=announcement.pk)
+        self.assertEqual(announcement.content, "Test Edit Announcement")
+
+    def test_delete(self):
+        """
+        Test delete announcement view
+        """
+        announcement = Announcement.objects.create(content="Test Delete")
+        announcement.save()
+        url = reverse("maintenance:announcement_delete", kwargs={"pk": announcement.pk})
+        self.client.post(url)
+        result = Announcement.objects.filter(content="Test Edit Announcement").exists()
+        self.assertFalse(result)
+
+    def _test_403(self, viewname, kwargs=None):
+        url = reverse("maintenance:%s" % viewname, kwargs=kwargs)
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 403)
+
+    def test_authorization(self):
+        self.client.login(username=self.non_staff_user, password=self.TEST_PASSWORD)
+        announcement = Announcement.objects.create(content="Test Delete")
+        announcement.save()
+
+        self._test_403("announcement_index")
+        self._test_403("announcement_create")
+        self._test_403("announcement_edit", {"pk": announcement.pk})
+        self._test_403("announcement_delete", {"pk": announcement.pk})

cms/djangoapps/maintenance/urls.py

@@ -0,0 +1,23 @@
+"""
+URLs for the maintenance app.
+"""
+
+from django.urls import path, re_path
+
+from .views import (
+    AnnouncementCreateView,
+    AnnouncementDeleteView,
+    AnnouncementEditView,
+    AnnouncementIndexView,
+    MaintenanceIndexView
+)
+
+app_name = 'cms.djangoapps.maintenance'
+
+urlpatterns = [
+    path('', MaintenanceIndexView.as_view(), name='maintenance_index'),
+    re_path(r'^announcements/(?P<page>\d+)?$', AnnouncementIndexView.as_view(), name='announcement_index'),
+    path('announcements/create', AnnouncementCreateView.as_view(), name='announcement_create'),
+    re_path(r'^announcements/edit/(?P<pk>\d+)?$', AnnouncementEditView.as_view(), name='announcement_edit'),
+    path('announcements/delete/<int:pk>', AnnouncementDeleteView.as_view(), name='announcement_delete'),
+]