Use the run.php script included in this directory to run all unit tests for the Solr PHP Client library. Your system will require phpunit PEAR package - which you can get install instructions for at: http://www.phpunit.de/ To generate the code coverage report, you will also need the XDebug pecl package installed, typically this can be done with a simple: pecl install xdebug If you need more information on installation, then please see the official website: http://www.xdebug.org The scripts, configuration, and test files in this directory have been confirmed to work with the following versions: phpunit: 3.3.16 xdebug: 2.0.4