January 2019
Intermediate to advanced
460 pages
10h 33m
English
Content preview from Hands-On Full-Stack Web Development with GraphQL and React
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Testing with Mocha
The problem we're facing is that we have to ensure the quality of our software without increasing the amount of manual testing. It isn't possible to recheck every feature of our software when new updates are released. To solve this problem, we're going to use Mocha, which is a JavaScript testing framework. It gives you the opportunity to run a series of asynchronous tests. If all the tests pass successfully, your application is ready for the next release.
Many developers follow the test-driven development (TDD) approach. Often, when you implement tests for the first time, they fail because the business logic that's being tested is missing. After implementing all the tests, we have to write the actual application code to ...
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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.