fix: change class attribute behavior on endpoint method to work in ruby 3.2+ (#493)

Author: jkeen

lib/graphiti/resource/links.rb

@@ -8,10 +8,17 @@ module Overrides
       def endpoint
         if (endpoint = super)
           endpoint
-        else
+        elsif !@__skip_inference
           self.endpoint = infer_endpoint
         end
       end
+
+      def endpoint=(value)
+        # changes introduced in Ruby 3.2 and above require some extra hoops
+        # to allow .endpoint = nil to work properly
+        @__skip_inference = value.blank?
+        super
+      end
     end
 
     included do

spec/spec_helper.rb

@@ -3,6 +3,7 @@
 Dir[File.dirname(__FILE__) + "/support/**/*.rb"].sort.each { |f| require f }
 require "pry"
 
+require "logger"
 require "active_model"
 require "graphiti_spec_helpers/rspec"
 require "graphiti"