March 2019
Intermediate to advanced
580 pages
15h 3m
English
Content preview from Drupal 8 Module Development - Second Edition
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Functional JavaScript tests
The last type of tests we can write in Drupal 8 is the JavaScript-powered functional test. FunctionalJavascript tests are useful when we want to test more dynamic client-side functionality such as JavaScript behaviors or Ajax interactions.
They are an extension of the regular Functional tests, but which use WebDriver. The latter is an API that allows things like Selenium to control browsers such as Chrome or Firefox. Drupal uses Chrome for this so make sure you have Selenium installed and working with the Chrome driver. We won't cover this here because it depends on your local environment and the current latest versions.
Assuming you have Selenium running, we can write some tests. But only after we add another ...
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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.