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Functional tests are crucial for WP-CLI packages as they simulate real-world scenarios, test integration with WordPress, and how they behave in a command line environment. In this article, I’ll show you how to write functional tests for WP-CLI packages.
What Are Functional Tests?
You may be familiar with unit testing using tools like PHPUnit. Unit tests are designed to test individual units of code, such as functions or methods, in isolation. The goal of unit testing is to verify that each unit of code works correctly on its own, without any dependencies on other parts of the system. Unit tests are a great way to test specific functions or methods in your projects, and focus more on the code side of things.