modify relation to check for the class_name option first before const…

…antizing the acts_as name

lib/active_record/acts_as/relation.rb

@@ -15,7 +15,7 @@ def acts_as(name, scope = nil, options = {})
 
           cattr_reader(:acting_as_reflection) { reflections[name.to_sym] }
           cattr_reader(:acting_as_name) { name.to_s }
-          cattr_reader(:acting_as_model) { name.to_s.camelize.constantize }
+          cattr_reader(:acting_as_model) { (options[:class_name] || name.to_s.camelize).constantize }
           class_eval "def acting_as() #{name} || build_#{name} end"
           alias_method :acting_as=, "#{name}=".to_sym
 

spec/acts_as_spec.rb

@@ -14,6 +14,10 @@
     expect(association.options).to have_key(:as)
   end
 
+  it "has a cattr_reader for the acting_as_model" do
+    expect(subject.acting_as_model).to eq Product
+  end
+
   describe "#acting_as?" do
     it "returns true for supermodel class and name" do
       expect(Pen.acting_as? :product).to be true
@@ -180,4 +184,19 @@
       expect(relation.scope_for_create[:name]).to eq('new name')
     end
   end
+
+  context 'Namespaces' do
+    subject { Inventory::PenLid }
+
+    it "has a has_one relation" do
+      association = subject.reflect_on_all_associations.find { |r| r.name == :product_feature }
+      expect(association).to_not be_nil
+      expect(association.macro).to eq(:has_one)
+      expect(association.options).to have_key(:as)
+    end
+
+    it "has a cattr_reader for the acting_as_model" do
+      expect(subject.acting_as_model).to eq Inventory::ProductFeature
+    end
+  end
 end