Magento 2 Developer's Guide

Summary

This chapter gave a full step-by-step guide to writing a simple yet functional Magento module. Seemingly simple in terms of functionality, we can see that the module code is significantly scattered across multiple PHP, XML, and PHMTL files.

With this simple module, we covered quite a lot of various Magento platform parts, from routes, ACLs, controllers, blocks, XML layouts, grids, controller actions, models, resources, collections, install scripts, interactions with session, e-mail templates, e-mail transport, and layout objects.

At the end, we wrote a few simple unit tests for our models. Although the practice is to write unit tests for all of our PHP code, we opted for a shorter version or else we would need more pages to cover everything. ...