Components are commonly tested with snapshots of the rendered DOM. However it’s a high noise and high maintenance approach that easily lets regressions slip by.

Loki is a visual testing tool that has similar benefits as snapshot testing in that it’s quick and easy to get started, but fewer of the downsides – refactors are not flagged as regressions and discerning desirable from unintended changes is much easier.

The talk outlines successful strategies for visual testing in general, pitfalls to avoid and how to get started in under a minute