spec/graphql/language/generation_spec.rb in graphql-1.8.6 vs spec/graphql/language/generation_spec.rb in graphql-1.8.7

@@ -5,15 +5,17 @@
   describe "#to_query_tring" do
     let(:document) {
       GraphQL.parse('type Query { a: String! }')
     }
 
-    class CustomPrinter < GraphQL::Language::Printer
-      def print_field_definition(print_field_definition)
-        "<Field Hidden>"
-      end
-    end
+    let(:custom_printer_class) {
+      Class.new(GraphQL::Language::Printer) {
+        def print_field_definition(print_field_definition)
+          "<Field Hidden>"
+        end
+      }
+    }
 
     it "accepts a custom printer" do
       expected = <<-SCHEMA
 type Query {
   a: String!
@@ -28,9 +30,9 @@
 type Query {
   <Field Hidden>
 }
       SCHEMA
 
-      assert_equal expected.chomp, GraphQL::Language::Generation.generate(document, printer: CustomPrinter.new)
+      assert_equal expected.chomp, GraphQL::Language::Generation.generate(document, printer: custom_printer_class.new)
     end
   end
 end