Fixed InvalidKeyError in course handler in studio.

LMS-11141

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -1488,6 +1488,12 @@ class ContentStoreTest(ContentStoreTestCase):
         course_module = self.store.get_course(course_key)
         self.assertEquals(course_module.wiki_slug, 'MITx.111.2013_Spring')
 
+    def test_course_handler_with_invalid_course_key_string(self):
+        """Test viewing the course overview page with invalid course id"""
+
+        response = self.client.get_html('/course/edX/test')
+        self.assertEquals(response.status_code, 404)
+
 
 class MetadataSaveTestCase(ContentStoreTestCase):
     """Test that metadata is correctly cached and decached."""

cms/djangoapps/contentstore/views/course.py

@@ -12,7 +12,7 @@ from django.conf import settings
 from django.views.decorators.http import require_http_methods
 from django.core.exceptions import PermissionDenied
 from django.core.urlresolvers import reverse
-from django.http import HttpResponseBadRequest, HttpResponseNotFound, HttpResponse
+from django.http import HttpResponseBadRequest, HttpResponseNotFound, HttpResponse, Http404
 from util.json_request import JsonResponse, JsonResponseBadRequest
 from util.date_utils import get_default_time_display
 from edxmako.shortcuts import render_to_response
@@ -208,6 +208,7 @@ def course_handler(request, course_key_string=None):
     DELETE
         json: delete this branch from this course (leaving off /branch/draft would imply delete the course)
     """
+    try:
         response_format = request.REQUEST.get('format', 'html')
         if response_format == 'json' or 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
             if request.method == 'GET':
@@ -230,6 +231,8 @@ def course_handler(request, course_key_string=None):
                 return course_index(request, CourseKey.from_string(course_key_string))
         else:
             return HttpResponseNotFound()
+    except InvalidKeyError:
+        raise Http404
 
 
 @login_required

common/djangoapps/external_auth/tests/test_ssl.py

@@ -200,24 +200,17 @@ class SSLClientTest(ModuleStoreTestCase):
         This tests to make sure when immediate signup is on that
         the user doesn't get presented with the registration page.
         """
-        # Expect an InvalidKeyError from course page as we don't have anything else built
-        with self.assertRaisesRegexp(
-                InvalidKeyError,
-                "<class 'opaque_keys.edx.keys.CourseKey'>: None"
-        ):
-            self.client.get(
+        response = self.client.get(
             reverse('signup'), follow=True,
             SSL_CLIENT_S_DN=self.AUTH_DN.format(self.USER_NAME, self.USER_EMAIL)
         )
+        self.assertEqual(response.status_code, 404)
         # assert that we are logged in
         self.assertIn(SESSION_KEY, self.client.session)
 
         # Now that we are logged in, make sure we don't see the registration page
-        with self.assertRaisesRegexp(
-                InvalidKeyError,
-                "<class 'opaque_keys.edx.keys.CourseKey'>: None"
-        ):
-            self.client.get(reverse('signup'), follow=True)
+        response = self.client.get(reverse('signup'), follow=True)
+        self.assertEqual(response.status_code, 404)
 
     @unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in lms')
     @override_settings(FEATURES=FEATURES_WITH_SSL_AUTH_IMMEDIATE_SIGNUP)