March 2025
Intermediate to advanced
472 pages
12h 10m
English
Content preview from Agile Web Development with Rails 7.2Become 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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Iteration G3: Testing Our JavaScript Functionality
Now that we have application-level functionality in JavaScript code, we’re going to need to have tests in place to ensure that the function not only works as intended but continues to work as we make changes to the application.
Testing this functionality involves a lot of steps: visiting the store, selecting an item, adding that item to the cart, clicking checkout, filling in a few fields, and selecting a payment type. And from a testing perspective, we’re going to need both a Rails server and a browser.
To accomplish this, Rails makes use of the popular Google Chrome web browser and Capybara,[65] which is a tool that drives this automation. Microsoft Edge and Mozilla’s Firefox are also ...
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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.