You can test front-end functionality such as UI testing with puppeteer Most things you can do manually in the browser can be done using puppeteer, therefore you can create a testing environment for your tests to run directly. They share similar structure and functionality.Īllows testing code execution on the client, such as a web browser Set of frameworks originating from SUnit (Smalltalk's testing framework). It usually worked with Enzyme(Integration testing) This is a Unit test framwork especially designed for the React.JS, Babel, TypeScript, Node, React, Angular and Vue projects. Puppeteer runs headless by default, but can be configured to run full (non-headless) Chrome or Chromium It provides a high-level API to control Chromium or Chrome over the DevTools ProtocolĪ Unit Testing framework focused on simplicity Inside that file, add: module.Puppeteer is a Node library which provides browser automation for chrome and chromium To configure Jest, create a file named in your root folder. Now that we have our libraries installed, let's configure them both. If you do not already have a package.json file, create it by running this command: npm init Installing all three packages is as simple as running the npm install command: npm install puppeteer jest jest-puppeteer -save-dev Installing Puppeteer, Jest, and Jest-Puppeteer
If you don't have them installed, follow our how to install Node guide. If you need a refresher, check out our class on JavaScript. End-to-end testing is an important because it helps ensure your application is working properly from the perspective of your users. In this tutorial, we will learn how to use the Google-built Puppeteer library to control an instance of headless Chrome and the Facebook-built Jest JavaScript testing library to write and run end-to-end testing suites.
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