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Modern Front-End Development for Rails, 2nd Edition
book

Modern Front-End Development for Rails, 2nd Edition

by Noel Rappin
September 2022
Intermediate to advanced content levelIntermediate to advanced
410 pages
10h 7m
English
Pragmatic Bookshelf
Content preview from Modern Front-End Development for Rails, 2nd Edition

Understanding How Cypress Works

Although the Cypress test seems simple, Cypress is a tool where the apparent simplicity of the developer commands hides a fair amount of complexity behind the scenes. In order to effectively write tests in Cypress, it is important to take a step back to understand how Cypress works to avoid a lot of confusion later on. Cypress’s asynchronous structure means that a lot of common JavaScript patterns either won’t work or aren’t recommended in Cypress. For example, using regular variable assignment is going to cause you trouble.

The most important thing to understand about Cypress is that although Cypress commands appear to be regular JavaScript function calls, in fact all Cypress commands are asynchronous. In effect, ...

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Publisher Resources

ISBN: 9781680509977Errata Page