How to unit test wordpress plugins

Plugins are one of the most important parts of WordPress and they play an essential role in making your website run smoothly. However, Unit Testing your plugins can be a daunting task – especially if you’re not familiar with it. In this article, we’ll show you how to unit test your plugins using the WPUnit testing plugin.

What is Unit Testing?

Unit testing is a process of verifying the correctness of individual units of code, as opposed to whole applications. This is done by writing test cases that exercise specific aspects of the code under test. A test case is a set of steps that must be followed in order to verify the correctness of a particular assertion.

Why You Should Unit Test Your WordPress Plugins

If you’re like most developers, you probably rely on WordPress to power your website. But what if something goes wrong? What if one of your plugins fails to work as intended? Or worse, what if a malicious user manages to inject malicious code into your plugin?

Unit testing your WordPress plugins is one of the simplest and most effective ways to prevent these types of problems. In this blog post, we’ll explain why you should unit test your plugins, and outline some tips for doing so.

Why Unit Test Your WordPress Plugins?

There are a few reasons why you should unit test your WordPress plugins:

Helps Prevent Problems
If you write quality plugins, you’ll likely encounter minimal issues during regular use. But what about when something goes wrong? By writing unit tests for your plugins, you can quickly identify and fix any problems before they cause serious damage. Helps You Keep Up With Updates
WordPress is constantly evolving, and so are the features included in its plugins. If you don’t keep up with updates, you may end up with outdated or incompatible plugin versions. By testing your plugin against latest versions of WordPress, you can ensure that it continues to function as expected. Helps Avoid Dam

How to Unit Test Your WordPress Plugins

Testing your WordPress plugins is essential to maintaining a high quality product. In this article we will discuss how to unit test your plugins using the WP_Unit_Test class.

To get started, create a new WP_Unit_Test object and pass it the name of your plugin as an argument. Next, you need to add your plugin to the WP_Unit_Test object’s tests array. Finally, call the run() method on the WP_Unit_Test object to start testing your plugin.

Here is an example of how you could test the myplugin plugin using the WP_Unit_Test class:

addPlugin(‘myplugin’); $test->run();?>

If you want to disable certain tests in your plugin, you can use the disable() method on the WP_Unit_Test object. The disable() method takes an array as its only parameter, and contains an array of test names that you want to disable. To re-enable a disabled test, you can use the enable() method on the WP_Unit_Test object.


In this article, we will be discussing how to unit test wordpress plugins. By doing so, you can increase the reliability of your plugin and ensure that it behaves as expected by users.Unit testing is a valuable technique that can help you identify and fix problems early on in the development process. In this article, we will provide tips on how to unit test your wordpress plugins, as well as some resources that you may find helpful. Thank you for reading!

Tell Us About Your Project

Fill in your details and we’ll get back to you in no time.