Faker is a PHP library that generates fake data for you
Library that provides collection, processing, and rendering functionality for PHP code coverage information.
The PHP Unit Testing framework.
Highly opinionated mocking framework for PHP 5.3+
PHP Hamcrest implementation [Official]
Assertions to validate method input/output with nice error messages.
Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).
Full-stack testing PHP framework
A browser testing and web crawling library for PHP and Symfony