Merge pull request #35097 from openedx/bbeggs/ENT-9187

feat: check for session existance before cache access. ENT-9187.

openedx/features/enterprise_support/api.py

@@ -422,8 +422,13 @@ def enterprise_customer_from_session(request):
     """
     Retrieve enterprise_customer data from the request's session,
     returning a ``__CACHE_MISS__`` if absent.
+
+    Now checks for session existence before attempting to access it.
     """
-    return request.session.get(ENTERPRISE_CUSTOMER_KEY_NAME, _CACHE_MISS)
+    if not request or not hasattr(request, 'session'):
+        return _CACHE_MISS
+    else:
+        return request.session.get(ENTERPRISE_CUSTOMER_KEY_NAME, _CACHE_MISS)
 
 
 def enterprise_customer_uuid_from_session(request):

openedx/features/enterprise_support/tests/test_api.py

@@ -36,6 +36,7 @@
     data_sharing_consent_required,
     enterprise_customer_for_request,
     enterprise_customer_from_api,
+    enterprise_customer_from_session,
     enterprise_customer_from_session_or_learner_data,
     enterprise_customer_uuid_for_request,
     enterprise_enabled,
@@ -1331,6 +1332,10 @@ def test_enterprise_customer_from_session(self):
         # verify that existing session value should not be updated for un-authenticate user
         assert mock_request.session[ENTERPRISE_CUSTOMER_KEY_NAME] == enterprise_customer
 
+    @ddt.data(None, object())
+    def test_enterprise_customer_from_session_no_session_CACHE_MISS(self, request):
+        assert enterprise_customer_from_session(request) == _CACHE_MISS
+
     def test_get_consent_notification_data_no_overrides(self):
         enterprise_customer = {
             'name': 'abc',