January 2018
Beginner
658 pages
13h 10m
English
Content preview from Learning Node.js Development
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Organizing test with describe()
In this section, we will learn how to use describe(). describe is a function injected into our test files, just like the it function is. It comes from mocha and it's really fantastic. Essentially, it lets us group tests together. That makes it a lot easier to scan the test output. If we run our npm test command in the Terminal, we get our tests:
We have seven tests and currently they're all grouped together. It's really hard to look for the tests in the utils file and it's impossible to find the tests for asyncAdd without scanning all of the text. What we'll do is call describe(). This will let us make groups ...
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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.