add sibling children

Author: sierra-moxon

linkml_runtime/utils/schemaview.py

@@ -624,27 +624,31 @@ def permissible_value_children(self, permissible_value: str, enum_name: ENUM_NAM
         """
         :param enum_name: parent enum name
         :param permissible_value: permissible value
-        :return: all direct child enum names (is_a)
+        :return: all direct child permissible values (is_a)
 
         CAT:
         LION:
           is_a: CAT
         ANGRY_LION:
           is_a: LION
+        TABBY:
+          is_a: CAT
         BIRD:
         EAGLE:
           is_a: BIRD
 
         """
 
         enum = self.get_enum(enum_name, strict=True)
+        children = []
         if enum:
             if permissible_value in enum.permissible_values:
                 pv = enum.permissible_values[permissible_value]
                 for isapv in enum.permissible_values:
                     isapv_entity = enum.permissible_values[isapv]
                     if isapv_entity.is_a and pv.text == isapv_entity.is_a:
-                        return [isapv]
+                        children.append(isapv)
+                return children
         else:
             return []
 

tests/test_utils/input/kitchen_sink_noimports.yaml

@@ -364,6 +364,8 @@ enums:
     is_a: OtherEnum
     permissible_values:
       CAT:
+      TABBY:
+        is_a: CAT
       LION:
         is_a: CAT
       ANGRY_LION:

tests/test_utils/test_schemaview.py

@@ -55,6 +55,9 @@ def test_schemaview_enums(self):
                         self.assertEqual(view.permissible_value_ancestors(pv, e.name), ['CAT'])
                         self.assertIn("LION", view.permissible_value_descendants(pv, e.name))
                         self.assertIn("ANGRY_LION", view.permissible_value_descendants(pv, e.name))
+                        self.assertIn("TABBY", view.permissible_value_descendants(pv, e.name))
+                        self.assertIn("TABBY", view.permissible_value_children(pv, e.name))
+                        self.assertIn("LION", view.permissible_value_children(pv, e.name))
                         self.assertNotIn("EAGLE", view.permissible_value_descendants(pv, e.name))
                     if pv == "LION":
                         self.assertIn("ANGRY_LION", view.permissible_value_children(pv, e.name))