Add Partial#selected_operation_name

Author: rmosolgo

lib/graphql/query/partial.rb

@@ -151,6 +151,10 @@ def selected_operation
       def static_errors
         @query.static_errors
       end
+
+      def selected_operation_name
+        @query.selected_operation_name
+      end
     end
   end
 end

spec/graphql/query/partial_spec.rb

@@ -110,6 +110,15 @@ def read_context(key:)
       def current_path
         context.current_path
       end
+
+      field :current_values, [String]
+      def current_values
+        [
+          GraphQL::Current.operation_name,
+          GraphQL::Current.field.path,
+          GraphQL::Current.dataloader_source_class.inspect,
+        ]
+      end
     end
 
     class Mutation < GraphQL::Schema::Object
@@ -165,6 +174,11 @@ def run_partials(string, partial_configs, **query_kwargs)
     ], results
   end
 
+  it "works with GraphQL::Current" do
+    res = run_partials("query CheckCurrentValues { query { currentValues } }", [path: ["query"], object: nil])
+    assert_equal ["CheckCurrentValues", "Query.currentValues", "nil"], res[0]["data"]["currentValues"]
+  end
+
   it "returns errors if they occur" do
     str = "{
       farm1: farm(id: \"1\") { error }