Ruby on rails 资源创建路由的rspec

我有这个规格：

specify { expect(:post => admin_featured_path()).to route_to(:controller => 'admin/featured', :action => 'create')}

我不能让它通过，但它似乎合乎逻辑的路线后，应路由到创建行动

这是我的路线文件：

namespace :admin do
    resources :featured, only: [:index, :update, :destroy, :create]
end

---

这是失败消息：

1) Featured routes 
     Failure/Error: specify { expect(:post => admin_featured_path()).to route_to(:controller => 'admin/featured', :action => 'create')}
     ActionController::UrlGenerationError:
       No route matches {:action=>"update", :controller=>"admin/featured"} missing required keys: [:id]
     # ./spec/routing/featured_spec.rb:7:in `block (2 levels) in <top (required)>'

1）特色路线
失败/错误：指定{expect（：post=>admin_-characterized_-path（））。将_路由到（：controller=>'admin/characterized'，：action=>'create'）}
ActionController:：UrlGenerationError:
没有路由匹配{:action=>“update”，：controller=>“admin/featured”}缺少必需的键：[:id]
#./spec/routing/featured_spec.rb:7:in‘block（2层）in’

这应该有效（未经测试）：

或

page = post admin_featured_path
expect(page).to route_to(:controller => 'admin/featured', :action => 'create')

{:post => admin_featured_path}.should route_to(:controller => 'admin/featured', :action => 'create')

{:post => "admin/featured"}.should route_to(:controller => "admin/featured", :action => 'create')