May 2019
Intermediate to advanced
496 pages
10h 38m
English
Content preview from Mastering React Test-Driven Development
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Writing Your First Acceptance Test
Test-driven development is a process for developers, not for the outside world. Sometimes our customers and product owners want to see automated tests too, but the kinds of tests we write are too low-level to be helpful to all members of our teams.
This chapter introduces two new software packages: Cucumber and Puppeteer.
We'll use Cucumber to build acceptance tests. There's a Cucumber package for JavaScript which incorporates a special test runner that runs feature files, written in a plain-English language known as Gherkin. These feature files are backed by support scripts that are written in JavaScript. Since Cucumber has its own test runner, it doesn't use Jest, although we will make use of Jest's
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.