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.

In the previous article TDD IMPLEMENTATION OF FINITE STATE MACHINE (FSM) WITH LARAVEL I discussed a basic approach for implement a Finite State Machine (FSM) on a Laravel model. In this article I will further discuss the topic by applying a more engineered approach. It involves the usage of the State pattern

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

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

LaravelVisitor is a Visitor Design Pattern implementation for Laravel. It allows to easily execute processing of collections of arbitrary elements, without requiring to use repeated conditionals, thus improving code abstraction.

This article describes a way of implementing Strategy design pattern using a database-based runtime configuration. The approach allows to dynamically (re)configure class behavior without requiring code-based rearrangements.