This is an example of an automated visual regression test pipeline, which was presented at the Cape Town Testing meetup.
Node 9.4.0+ [https://nodejs.org/en/download/] Imagemagick [https://www.imagemagick.org/script/download.php]
Run the test suite with the following command
$ npm test
After running test suite, you can review generated images in the __images__/output folder.
To accept new images, you must manually copy and rename the image file into the __images__/baseline folder. You can also run the following convenience script, and then re-run the tests
$ ./update-baseline.sh
$ npm test
To reset the baseline test images, you can run the following convenience script
$ ./reset-baseline.sh
$ npm test
To view the sample app, run the following command and visit http://localhost:3000
$ npm start