Node.js is an open-source JavaScript runtime built on Chrome's V8 engine that runs on Linux, Mac OS X, and Windows operating systems.

Puppeteer uses the WebDriver protocol to connect with the browser and simulate user interaction with HTML elements or pages. With it, you can run tests in the browser and then see the results in real-time on your terminal. Puppeteer lets you automate the testing of your web applications. It is a tool for automating testing in your application using headless Chrome or Chromebit devices, without requiring any browser extensions like Selenium Webdriver or PhantomJS. Puppeteer is a Node.js library developed by Google that lets you control headless Chrome through the DevTools Protocol.

How to run headless Chrome tests on a CI server.

How to set up your first test with Puppeteer.

In this guide, we'll explore the basics of using Puppeteer with Node.js so you can start automating your tests. puppeteerrc.cjs (or is a JavaScript library that allows you to script and interact with browser windows. Puppeteer uses several defaults that can be customized through configurationįor example, to change the default cache directory Puppeteer uses to installīrowsers, you can add a. Include $HOME/.cache into the project's deployment.įor a version of Puppeteer without the browser installation, see

Your project folder (see an example below) because not all hosting providers Heroku, you might need to reconfigure the location of the cache to be within If you deploy a project using Puppeteer to a hosting provider, such as Render or The browser is downloaded to the $HOME/.cache/puppeteer folderīy default (starting with Puppeteer v19.0.0). When you install Puppeteer, it automatically downloads a recent version ofĬhrome for Testing (~170MB macOS, ~282MB Linux, ~280MB Windows) that is guaranteed to

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