由于CanCan授权，我的部分未加载。如何调试？ [英] My partial wasn't loading because of CanCan authorization. How can I debug that?

问题描述

我正在这个问题试图通过来自用户视图的异步请求来呈现部分。

I was having this problem trying to render a partial via an asynchronous request from my users views.

问题是CanCan没有授权调用，因为它在里面一个我在* user_controller.rb *上创建的新动作。我是Rails的新手，我以为在能力类上放了：编辑。

The problem was that CanCan was not authorizing the call, because it was inside a new action that I created on *user_controller.rb*. I am new to Rails and I thought that putting :edit on the ability class was enough.

我抓住了因为我从我的链接中删除了 remote：true ，所以它可以通过http请求呈现视图。不要像我这样做。 Begginer的运气！

I caught this error because I removed the remote: true from my link, so it can render the view via a http request. Don't as me why I did that. Begginer's luck!

我的问题是：如果不幸运，我该怎么调试错误？

My question is: how could I have debugged that error if not by luck?

推荐答案

您可以添加占该部分渲染的测试用例，例如（使用rspec）：

You could have added test cases that accounted for the rendering of that partial, for instance (with rspec):

response.should render_template(:partial => 'partial_name')

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