May 2018
Intermediate to advanced
492 pages
12h 3m
English
Content preview from Node.js Web Development - Fourth Edition
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Mocha and Chai – the chosen test tools
If you haven't already done so, duplicate the source tree to use in this chapter. For example, if you had a directory named chap10, create one named chap11 containing everything from chap10.
In the notes directory, create a new directory named test.
Mocha (http://mochajs.org/) is one of many test frameworks available for Node.js. As you'll see shortly, it helps us write test cases and test suites, and it provides a test results reporting mechanism. It was chosen over the alternatives because it supports Promises. It fits very well with the Chai assertion library mentioned earlier. And, we'll need to use ES6 modules from test suites written in CommonJS, and therefore we must use the esm module.
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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.
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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.