make matching group ID condition be more specific

cms/djangoapps/contentstore/utils.py

@@ -283,20 +283,20 @@ def reverse_usage_url(handler_name, usage_key, kwargs=None):
     return reverse_url(handler_name, 'usage_key_string', usage_key, kwargs)
 
 
-def get_group_display_name(user_partitions, xblock_display_name):
+def get_split_group_display_name(xblock, course):
     """
-    Get the group name if matching group xblock is found.
+    Returns group name if an xblock is found in user partition groups that are suitable for the split_test module.
 
     Arguments:
-        user_partitions (Dict): Locator of source item.
-        xblock_display_name (String): Display name of group xblock.
+        xblock (XBlock): The courseware component.
+        course (XBlock): The course descriptor.
 
     Returns:
-        group name (String): Group name of the matching group.
+        group name (String): Group name of the matching group xblock.
     """
-    for user_partition in user_partitions:
+    for user_partition in get_user_partition_info(xblock, schemes=['random'], course=course):
         for group in user_partition['groups']:
-            if str(group['id']) in xblock_display_name:
+            if 'Group ID {group_id}'.format(group_id=group['id']) == xblock.display_name_with_default:
                 return group['name']
 
 

cms/djangoapps/contentstore/views/item.py

@@ -29,7 +29,7 @@ from cms.lib.xblock.authoring_mixin import VISIBILITY_VIEW
 from contentstore.utils import (
     find_release_date_source, find_staff_lock_source, is_currently_visible_to_students,
     ancestor_has_staff_lock, has_children_visible_to_specific_content_groups,
-    get_user_partition_info, get_group_display_name,
+    get_user_partition_info, get_split_group_display_name,
 )
 from contentstore.views.helpers import is_unit, xblock_studio_url, xblock_primary_child_category, \
     xblock_type_display_name, get_parent_xblock, create_xblock, usage_key_with_run
@@ -1125,7 +1125,6 @@ def create_xblock_info(xblock, data=None, metadata=None, include_ancestor_info=F
             # a percent value out of 100, e.g. "58%" means "58/100".
             pct_sign=_('%'))
 
-    user_partitions = get_user_partition_info(xblock, course=course)
     xblock_info = {
         'id': unicode(xblock.location),
         'display_name': xblock.display_name_with_default,
@@ -1136,9 +1135,10 @@ def create_xblock_info(xblock, data=None, metadata=None, include_ancestor_info=F
         if child_info and len(child_info.get('children', [])) > 0:
             xblock_info['child_info'] = child_info
         # Groups are labelled with their internal ids, rather than with the group name. Replace id with display name.
-        group_display_name = get_group_display_name(user_partitions, xblock_info['display_name'])
+        group_display_name = get_split_group_display_name(xblock, course)
         xblock_info['display_name'] = group_display_name if group_display_name else xblock_info['display_name']
     else:
+        user_partitions = get_user_partition_info(xblock, course=course)
         xblock_info.update({
             'edited_on': get_default_time_display(xblock.subtree_edited_on) if xblock.subtree_edited_on else None,
             'published': published,