Generators on engine fix

lib/generators/active_record/devise_generator.rb

@@ -22,10 +22,15 @@ module ActiveRecord
       end
 
       def inject_devise_content
-        inject_into_class(model_path, class_name, model_contents + <<CONTENT) if model_exists?
+        content = model_contents + <<CONTENT
   # Setup accessible (or protected) attributes for your model
   attr_accessible :email, :password, :password_confirmation, :remember_me
 CONTENT
+
+        indent_size = class_name.to_s.split("::").size - 1
+        content = content.split("\n").map { |line| "  " * indent_size + line}.join("\n")
+
+        inject_into_class(model_path, class_name.to_s.split("::").last, content) if model_exists?
       end
 
       def migration_data

test/generators/active_record_generator_test.rb

@@ -34,4 +34,20 @@ if DEVISE_ORM == :active_record
       assert_no_migration "db/migrate/devise_create_monsters.rb"
     end
   end
+
+  class RailsEngine ; end
+
+  class ActiveRecordGeneratorTest < Rails::Generators::TestCase
+    tests ActiveRecord::Generators::DeviseGenerator
+    destination File.expand_path("../../tmp", __FILE__)
+    setup :prepare_destination
+
+    test "all files are properly created" do
+      swap Rails::Generators, :namespace => RailsEngine do
+        run_generator ["monster"]
+
+        assert_file "app/models/rails_engine/monster.rb", /devise/,  /attr_accessible (:[a-z_]+(, )?)+/
+      end
+    end
+  end
 end