Visual Regression Testing

Introduction

There is more than one contract that the front-end must adhere to. These include a functional contract with the user, a communication contract with the server, and the visual contract. For the latter, we implement a visual design system and strive to earn every view conformed within the contract.

Many issues stem from testing the visual aspect of a front-end application. Pixel-by-pixel comparisons are heavy, slow and unreliable most of the time. This is because visual ...