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Unit Testing

Let’s learn how to write unit tests for our application.

We'll cover the following...

How to write unit tests
- Initial setup
- Writing a test
Example
Parameterized tests
What to check
Conclusion

Unit tests check single code units (like functions or classes) in isolation. Usually, they are small, fast, and numerous. It’s worth covering every piece of logic in the application with unit tests. If something breaks, a failed unit test will show what exactly is broken.

How to write unit tests

Initial setup

Before running tests locally or in the CI pipeline, we have to install the testing framework. The most common one in PHP is PHPUnit. Please refer to the “Getting Started” guide in the PHPUnit documentation to learn how to install it. It’s not ...

Introduction

Communicating with the Client

Static Web Application

Structuring Code Files

Application Architecture Basics

PHP-Based Web Application

Storing State

Databases

Using a Database in the PHP Application

Testing

Testing the PHP Application

Advanced Architecture Patterns

Final Assessment

Conclusion

Unit Testing

How to write unit tests

Initial setup