php - Unit Test in Wordpress

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I work in wordpress with a lot of classes that use wordpress functions and I'd like make unit tests for them. The problem I found is that phpunit doesn't recognize wordpress functions and the tests don't work.

I tried to include in the test class the index.php, wp-load.php and when they are included, phpunit doesn't work and exits through "exit code 0" without do anything -the error is shown in the PhpStorm Terminal. If I execute the command in the cmd, the cmd doesn't throw any information, just a blank line.

Php Version: 7.3.3 PhpUnit Version: 7.5.9 Wordpress Version: 4.9.1

An example of an error is to test for a class with "add_action" in their constructor and the error is: "Call to undefined function add_action()". I don't know what file I have to include for doing work this test or what is the method to test the class correctly.

I work in wordpress with a lot of classes that use wordpress functions and I'd like make unit tests for them. The problem I found is that phpunit doesn't recognize wordpress functions and the tests don't work.

I tried to include in the test class the index.php, wp-load.php and when they are included, phpunit doesn't work and exits through "exit code 0" without do anything -the error is shown in the PhpStorm Terminal. If I execute the command in the cmd, the cmd doesn't throw any information, just a blank line.

Php Version: 7.3.3 PhpUnit Version: 7.5.9 Wordpress Version: 4.9.1

An example of an error is to test for a class with "add_action" in their constructor and the error is: "Call to undefined function add_action()". I don't know what file I have to include for doing work this test or what is the method to test the class correctly.

• php
• unit-tests

Share Improve this question edited Jan 14, 2020 at 5:07 davemackey 31522 silver badges1818 bronze badges asked May 6, 2019 at 9:53 OcriverOcriver 1355 bronze badges 1

• 1 Start here brain-wp.github.io/BrainMonkey – bueltge Commented May 6, 2019 at 10:48

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Take a look at the WordPress core setup with PHPUnit: https://make.wordpress/core/handbook/testing/automated-testing/phpunit/

Using this process rather than rolling your own allows you to leverage the boostrapping (and other customization) specific for WordPress.

From the Codex:

When phpunit is invoked, the test suite runs a script that sets up a default installation of WordPress, with a configuration similar to what you get with the GUI install. Before any tests are run, the following steps take place:

• WordPress is bootstrapped (by including wp-settings.php). This means that all tests run after the entire WP bootstrap (through wp_loaded).
• All default content is deleted. This includes sample posts and pages, but does not include the default user or the ‘Uncategorized’ category.

Hope that helps!

I can highly recommend wp-browser for that task.

https://github/lucatume/wp-browser

I've already written tests for entire websites, for plugins and premium plugins using wp-browser. It has unit, integration (same as Core's PHPUnit setup), acceptance (like with a Selenium server) and functional servers out of the box, all designed and architected to work with WordPress.

本文标签： phpUnit Test in Wordpress