Improving End-to-End Testing at Coursera using Puppeteer and Jest

By Ankit Ahuja, Billy Kirk, and Sumit Gogia.

Coursera is committed to delivering a high level of product quality for every learning experience. This includes individual courses, and courses included within Degree & MasterTrack™ programs.

In the past, we’ve used Selenium and Sauce Labs for running end-to-end tests. Stability issues with our setup and limited continuous integration (CI) tools around test result reporting led to poor adoption.

To make end-to-end (e2e) testing an essential part of our culture and help deliver a quality experience on the platform, we focused on a few key principles:

Developer Experience

• Make end-to-end tests simple to run…