This article describes a TDD (Test Driven Development) approach to implement a Finite State Machine (FSM) using PHP+Laravel. However, such method is general and could be used in the programming language of your choice.

Learn how to use a relational DBMS as authentication provider for Shibboleth IDP instead of default LDAP

This tutorial describes a TDD approach to refactor code to Strategy pattern. Starting from working code and some test, refactoring steps are applied to obtain cleaner code

In this tutorial I will show how to define a Laravel validation rule providing a custom alias string to use in custom validation classes.