namespaced model support

lib/has_aux_table.rb

@@ -251,7 +251,7 @@ module HasAuxTable
 
       # Get the current class for the association
       main_class = self
-      main_association_name = T.must(main_class.name&.underscore&.to_sym)
+      main_association_name = foreign_key.to_s.delete_suffix("_id").to_sym
 
       # Create the auxiliary model class
       aux_class =

spec/active_record/aux_table_spec.rb

@@ -73,6 +73,20 @@ RSpec.describe HasAuxTable do
                        }
         end
       end
+
+      create_base_table :utensils do |t|
+        t.string :name
+        t.string :material
+        t.timestamps
+
+        t.create_aux :fork do |t|
+          t.integer :num_tongs
+        end
+
+        t.create_aux :spoon do |t|
+          t.string :curvature
+        end
+      end
     end
 
     class Vehicle < ActiveRecord::Base
@@ -109,6 +123,20 @@ RSpec.describe HasAuxTable do
       aux_table :passenger
       belongs_to :boat, inverse_of: :passengers
     end
+
+    module Kitchen
+      class Utensil < ActiveRecord::Base
+        include HasAuxTable
+      end
+
+      class Fork < Utensil
+        aux_table :fork
+      end
+
+      class Spoon < Utensil
+        aux_table :spoon
+      end
+    end
   end
 
   # Car class will be defined after schema setup
@@ -711,4 +739,13 @@ RSpec.describe HasAuxTable do
       end
     end
   end
+
+  describe "namespaced models" do
+    it "works with namespaced models" do
+      fork1 =
+        Kitchen::Fork.create!(name: "Fork", material: "metal", num_tongs: 3)
+      expect(fork1.material).to eq("metal")
+      expect(fork1.num_tongs).to eq(3)
+    end
+  end
 end