Rails, Angular, Postgres, and Bootstrap

Chapter 6Test This Fancy New Code

To be confident with new libraries and technologies, we need to do more than just write working code—we have to be able to test it. Rails has a long history of supporting and encouraging testing, providing many useful features for testing every part of your application. We want the same experience testing Angular and database constraints that we get with Rails models and controllers. We also want a seamless experience testing end to end in a browser.

Rails has no built-in support for testing JavaScript, nor does it provide a direct way to test database constraints. And there’s no Rails Way for running an end-to-end test in a browser. But Rails is configurable enough to allow us to set it up ourselves. That’s ...