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## Complementary Testing Tools {#complementary_testing_tools_title}

Besides individual testing and behavior driven frameworks, there are also a number of generic frameworks and helper
libraries useful for any preferred approach taken.

### Tool Links

* [Selenium] is a browser automation tool which can be [integrated with PHPUnit]
* [Mockery] is a Mock Object Framework which can be integrated with [PHPUnit] or [PHPSpec]
* [Prophecy] is a highly opinionated yet very powerful and flexible PHP object mocking framework. It's integrated with
[PHPSpec] and can be used with [PHPUnit].
* [php-mock] is a library to help to mock PHP native functions.
* [Infection] is a PHP implementation of [Mutation Testing] to help to measure the effectiveness of your tests.
* [PHPUnit Polyfills] is a library that allows for creating PHPUnit cross-version compatible tests when a test suite needs to run against a range of PHPUnit versions.


[Selenium]: https://www.selenium.dev/
[integrated with PHPUnit]: https://github.com/giorgiosironi/phpunit-selenium/
[Mockery]: https://github.com/padraic/mockery
[PHPUnit]: https://phpunit.de/
[PHPSpec]: https://phpspec.net/
[Prophecy]: https://github.com/phpspec/prophecy
[php-mock]: https://github.com/php-mock/php-mock
[Infection]: https://github.com/infection/infection
[Mutation Testing]: https://en.wikipedia.org/wiki/Mutation_testing
[PHPUnit Polyfills]: https://github.com/Yoast/PHPUnit-Polyfills