React Cookbook by David Griffiths & Dawn Griffiths

Author:David Griffiths & Dawn Griffiths [David Griffiths]
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2021-10-24T16:00:00+00:00

Solution

The Cypress testing framework avoids many of the downsides of traditional browser testing. It runs in a browser but avoids the need for an external webdriver tool. Instead, it communicates directly with a browser, like Chrome or Electron, over a network port and then injects JavaScript to run much of the test code.

Let’s create an application create-react-app to see how it works:

npx create-react-app my-app

Now let’s go into the app directory and install Cypress:

cd my-app npm install cypress --save-dev

Before we run Cypress, we need to configure it so that it knows how to find our application. We can do this by editing the cypress.json file in the application directory, and tell if the URL of our app:

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