The framework used is [PHPUnit](https://phpunit.de/); it can be installed with [Composer](https://getcomposer.org/), which is a dependency management tool.
-Regarding Composer, you can either use:
+### Install composer
-- a system-wide version, e.g. installed through your distro's package manager
-- a local version, downloadable [here](https://getcomposer.org/download/)
+You can either use:
-#### Sample usage
+- a system-wide version, e.g. installed through your distro's package manager
+- a local version, downloadable [here](https://getcomposer.org/download/).
```bash
# system-wide version
#### Install and enable Xdebug to generate PHPUnit coverage reports
+See http://xdebug.org/docs/install
+
For Debian-based distros:
```bash
$ aptitude install php5-xdebug