more tests

Author: sierra-moxon

linkml_runtime/utils/schemaview.py

@@ -650,7 +650,7 @@ def permissible_value_children(self, permissible_value: str, enum_name: ENUM_NAM
                         children.append(isapv)
                 return children
         else:
-            return []
+            raise ValueError(f'No such enum as "{enum_name}"')
 
     @lru_cache()
     def slot_parents(self, slot_name: SLOT_NAME, imports=True, mixins=True, is_a=True) -> List[SlotDefinitionName]:

tests/test_utils/test_schemaview.py

@@ -47,6 +47,8 @@ def test_all_aliases(self):
 
     def test_schemaview_enums(self):
         view = SchemaView(SCHEMA_NO_IMPORTS)
+        with self.assertRaises(ValueError):
+            view.permissible_value_parent("not_a_pv", "not_an_enum")
         for en, e in view.all_enums().items():
             if e.name == "Animals":
                 for pv, v in e.permissible_values.items():