Disabling the "View Unit in Studio" button to CCX courses

common/test/acceptance/pages/lms/ccx_dashboard_page.py

@@ -40,3 +40,9 @@ class CoachDashboardPage(CoursePage):
             lambda: self.q(css=create_ccx_button).present, "Create a new Custom Course for edX"
         ).fulfill()
         self.q(css=create_ccx_button).click()
+
+    def is_button_view_unit_in_studio_visible(self):
+        """
+        check if the View Unit in Studio button is on the page
+        """
+        return self.q(css='instructor-info-action').present

common/test/acceptance/tests/lms/test_ccx.py

@@ -56,3 +56,7 @@ class CreateCCXCoachTest(EventsTestMixin, UniqueCourseTest):
 
         # Assert that new ccx is created and we are on ccx dashboard/enrollment tab.
         self.assertTrue(self.coach_dashboard_page.is_browser_on_enrollment_page())
+
+        # Assert that the user cannot click in the "View Unit in Studio" button,
+        # which means the user cannot edit the ccx course in studio
+        self.assertFalse(self.coach_dashboard_page.is_button_view_unit_in_studio_visible())

lms/djangoapps/ccx/overrides.py

@@ -88,6 +88,12 @@ def get_override_for_ccx(ccx, block, name, default=None):
     clean_ccx_key = _clean_ccx_key(block.location)
 
     block_overrides = overrides.get(clean_ccx_key, {})
+
+    # Hardcode the course_edit_method to be None instead of 'Studio', so,
+    # the LMS never tries to link back to Studio. CCX courses
+    # can't be edited in Studio.
+    block_overrides['course_edit_method'] = None
+
     if name in block_overrides:
         try:
             return block.fields[name].from_json(block_overrides[name])