With all the hype around the quality assurance and testing tools for PHP, I wonder how did I miss atoum. Atoum is a modern, simple and intuitive unit testing framework for PHP. From a quick look around, it seems to be a lot simpler than PHPUnit and I definitely need to find some time to give it a go.
Also, here’s a blog post that describes how Automattic moved from PHPUnit to atoum, which makes a lot of sense (you know what I’m talking about if you ever tried to write PHPUnit tests for WordPress projects).