Why is CIUnit needed in order to use PHPUnit with CodeIgniter?(为什么需要 CIUnit 才能将 PHPUnit 与 CodeIgniter 一起使用?)

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问题描述

We've decided to use PHPUnit (with Jenkins) in our next project. We're considering different PHP frameworks, one of which is CodeIgniter. I see that a lot of people use My CIUNIT to "bridge" PHPUnit and Codeigniter. There is little to no explanation in the online documentation.

Whyisitneeded?

Other frameworks don't seem to need a "cool bridge" like this.

解决方案

Reasons:

  1. Codeigniter's components are tightly coupled. You need some big basic parts running (the loader, the router, the CFG object) before you can use any other pieces.
  2. Codeigniter is not designed to run from a CLI. It has a great deal of bootstrapping code in its index.php front-controller, and it assumes a web server environment.

You do not absolutely require CIUNIT to unit-test CI. But you will have to do something. In my case, I wrote an alternative front controller to index.php which just loads the minimum necessary to get a CI superobject. I require_once it at the top of my test files, and $this->CI =& get_instance() in SetUp() methods. If I were being an absolutely pure unit-tester, however, I should be destroying and re-creating the CI object after every test in case some state got trapped in it. I'm not sure if CIUNIT does this for you.

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