September 2017
Intermediate to advanced
528 pages
15h 53m
English
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Chapter 19. Project: Checking passwords with Jest
This chapter covers
- Project structure and Webpack configuration
- The host HTML file
- Implementing a strong password module
- Creating Jest tests
- Implementing the Password component and UI
This project focuses on building a UI, working with modules, and testing with Jest, along with other React-related techniques such as component composition, ES6 syntax, state, properties, and so on. Recall that chapter 16 dealt with testing; you used a password widget as an example of unit testing and UI testing. In this project, you’ll build the widget itself to check, verify, and generate new passwords. Along the way, I’ll explain testing again, here and there, in an expanded format.
The widget has a ...
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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.