activeadmin
diff --git a/‎lib/active_admin/pundit_adapter.rb
Lines changed: 4 additions & 2 deletions b/‎lib/active_admin/pundit_adapter.rb
Lines changed: 4 additions & 2 deletions
diff --git a/‎spec/unit/pundit_adapter_spec.rb
Lines changed: 32 additions & 0 deletions b/‎spec/unit/pundit_adapter_spec.rb
Lines changed: 32 additions & 0 deletions
@@ -56,7 +56,7 @@ def policy_target(subject)
       case subject
       when nil then resource
       when Class then subject.new
-      else subject
+      else undecorate(subject)
       end
     end
 
@@ -118,6 +118,8 @@ def policies
       @policies ||= {}
     end
 
+    def undecorate(subject)
+      ResourceController::Decorators.undecorate(subject)
+    end
   end
-
 end
@@ -130,6 +130,38 @@ def resolve
       end
     end
 
+    context "when decorator name contains policy namespace name" do
+      before do
+        allow(ActiveAdmin.application).to receive(:pundit_policy_namespace).and_return :foobar
+      end
+
+      class Admin::PostDecorator
+        attr_reader :object
+        delegate_missing_to :object
+
+        def initialize(object)
+          @object = object
+        end
+
+        def decorated?
+          true
+        end
+
+        def model
+          object
+        end
+      end
+
+      it "asks Pundit for the policy for the decorated object" do
+        policy = DefaultPolicy.new(double, double)
+        allow(policy).to receive(:show?).and_return(true)
+
+        expect(Pundit).to receive(:policy).with(anything, [:foobar, an_instance_of(Post)]).and_return(policy)
+
+        auth.authorized?(:read, Admin::PostDecorator.new(Post.new))
+      end
+    end
+
     context "when Pundit is unable to find policy scope" do
       let(:collection) { double("collection", to_sym: :collection) }
       subject(:scope) { auth.scope_collection(collection, :read) }