handle namespaced models in AR generator

closes #2043

lib/generators/active_record/devise_generator.rb

@@ -27,7 +27,11 @@ module ActiveRecord
   attr_accessible :email, :password, :password_confirmation, :remember_me
 CONTENT
 
-        class_path = class_name.to_s.split("::")
+        class_path = if namespaced?
+          class_name.to_s.split("::")
+        else
+          [class_name]
+        end
 
         indent_depth = class_path.size - 1
         content = content.split("\n").map { |line| "  " * indent_depth + line } .join("\n") << "\n"

test/generators/active_record_generator_test.rb

@@ -14,6 +14,12 @@ if DEVISE_ORM == :active_record
       assert_migration "db/migrate/devise_create_monsters.rb", /def change/
     end
 
+    test "all files for namespaced model are properly created" do
+      run_generator %w(admin/monster)
+      assert_file "app/models/admin/monster.rb", /devise/, /attr_accessible (:[a-z_]+(, )?)+/
+      assert_migration "db/migrate/devise_create_admin_monsters.rb", /def change/
+    end
+
     test "update model migration when model exists" do
       run_generator %w(monster)
       assert_file "app/models/monster.rb"
@@ -66,4 +72,4 @@ if DEVISE_ORM == :active_record
       end
     end
   end
-end
+end