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Cypress is a tool for testing modern web applications with Javascript. It runs in the browser, debugs failures visually, and integrates with CI and GitHub.
- Documentation
Cypress Documentation is the official source of information...
- Installing Cypress
Follow a step-by-step guide to install Cypress seamlessly....
- How It Works
Fast, easy and reliable testing for anything that runs in a...
- Learn Cypress
Real World Testing with Cypress is a four-course curriculum...
- Changelog
We've made some updates to the Cypress CLI detailed below:...
- Migration guides
Migrating to Cypress 13.0. Beginning with Cypress v13, the...
- FAQ
Cypress offers you many robust ways to query the DOM, all...
- Ambassador program
Cypress is a master of many trades...it is a primary tool we...
- Writing your first test
Set up intelligent code completion for Cypress commands and...
- Introduction to Cypress
What you'll learn. How Cypress queries the DOM. How Cypress...
- Documentation
- Cypress Can Be Simple
- Querying Elements
- Chains of Commands
- Assertions
- Timeouts
Simplicity is all about getting more done with less typing. Let's look at anexample: Can you read this? If you did, it might sound something like this: This is a relatively straightforward test, but consider how much code has beencovered by it, both on the client and the server! For the remainder of this guide, we'll explore the basics of Cypress t...
Cypress is Like jQuery
If you've used jQuerybefore, you may be used to queryingfor elements like this: In Cypress, querying elements is the same: In fact, Cypressbundles jQueryand exposes many of its DOM traversal methods to you so you can work withcomplex HTML structures with ease using APIs you're already familiar with. Accessing the DOM elements returned from the query works differently, however: Let's look at why this is...
Cypress is Not Like jQuery
Question:What happens when jQuery can't find any matching DOM elements fromits selector? Answer: Oops!It returns an empty jQuery collection. We've got a realobject to work with, but it doesn't contain the element we wanted. So we startadding conditional checks and retrying our queries manually. Question:What happens when Cypress can't find any matching DOM elementsfrom its selector? Answer: No big deal!Cypress automatically retries the query until either:
Querying by Text Content
Another way to locate things -- a more human way -- is to look them up by theircontent, by what the user would see on the page. For this, there's the handycy.contains()command, for example: This is helpful when writing tests from the perspective of a user interactingwith your app. They only know that they want to click the button labeled"Submit". They have no idea that it has a type attribute of submit, or a CSSclass of my-submit-button.
It's very important to understand the mechanism Cypress uses to chain commandstogether. It manages a Promise chain on your behalf, with each command yieldinga 'subject' to the next command, until the chain ends or an error isencountered. The developer should not need to use Promises directly, butunderstanding how they work is helpful!
As we mentioned previously in this guide: What makes Cypress unique from other testing tools is that commandsautomatically retrytheir assertions. In fact, they will look "downstream"at what you're expressing and modify their behavior to make your assertionspass. You should think of assertions as guards. Use your guards to describe what your applica...
Almost all commands can time out in some way. All assertions, whether they're the default ones or whether they've been addedby you all share the same timeout values.
Cypress Documentation is the official source of information for using Cypress, a powerful and easy-to-use testing framework for web applications and components. You can find guides, tutorials, references, and examples to help you write, run, debug, and record tests with Cypress.
Cypress is a next generation front end testing tool for modern web applications. Learn why Cypress is different from Selenium, what features it offers, and how to use it for various types of tests.
Learn how to install Cypress, a desktop application for end-to-end testing, via npm, yarn, pnpm or direct download. Check the system requirements, proxy settings, and CI options for Cypress.
Cypress is a testing framework that runs in the same run-loop as your web application and does not use Selenium. It supports modern JavaScript frameworks, works on any website, and offers fast and easy testing for developers and QA engineers.
Cypress.io is a browser-based testing tool that lets you write and debug tests for modern applications. It offers features such as visual debugging, flake resistance, component testing, and embedded cloud workflows.
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