Make "location" argument required in OpenAPIConverter.schema2parameters

src/apispec/ext/marshmallow/openapi.py

@@ -110,7 +110,7 @@ def resolve_nested_schema(self, schema):
         return self.get_ref_dict(schema_instance)
 
     def schema2parameters(
-        self, schema, *, location="body", name="body", required=False, description=None
+        self, schema, *, location, name="body", required=False, description=None
     ):
         """Return an array of OpenAPI parameters given a given marshmallow
         :class:`Schema <marshmallow.Schema>`. If `location` is "body", then return an array

tests/test_ext_marshmallow.py

@@ -770,7 +770,7 @@ def test_schema_global_state_untouched_2json(self, spec_fixture):
 
     def test_schema_global_state_untouched_2parameters(self, spec_fixture):
         assert get_nested_schema(RunSchema, "sample") is None
-        data = spec_fixture.openapi.schema2parameters(RunSchema)
+        data = spec_fixture.openapi.schema2parameters(RunSchema, location="json")
         json.dumps(data)
         assert get_nested_schema(RunSchema, "sample") is None
 

tests/test_ext_marshmallow_openapi.py

@@ -268,7 +268,7 @@ def test_field_required(self, openapi):
 
     def test_invalid_schema(self, openapi):
         with pytest.raises(ValueError):
-            openapi.schema2parameters(None)
+            openapi.schema2parameters(None, location="json")
 
     # json/body is invalid for OpenAPI 3
     @pytest.mark.parametrize("openapi", ("2.0",), indirect=True)