December 2016
Intermediate to advanced
841 pages
17h
English
Content preview from TypeScript: Modern JavaScript DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating end-to-end tests with Nightwatch.js
Writing an E2E test with Nightwatch.js is an intuitive process. We should be able to read an E2E test and be able to understand it even if it is the first time that we encounter one.
If we take a look at the following code snippet, we will see that, once we have reached the page, the test will wait 1 second for the body of the page to be visible. The test will then wait 0.1 seconds for some elements to be visible. The elements can be selected using CSS selectors or XPath syntax. If the elements are visible, the setValue method will insert 2 in the text input with base as ID and 3 in the text input with exponent as ID:
var test = { 'Calculator pow e2e test example' : function (client) { client .url('http://localhost:8080/') ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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.