Example of testing iframe messaging using jsdom. Example of testing iframe messaging using jsdom. GitHub Gist: instantly share code, notes, and snippets.Mocking the content of an iframe with React Testing Library .. In my case, using the message type on fireEvent was enough to test this. import React from 'react'; import { render, screen, fireEvent } from '@testing-library/ .Setup. 4 days ago — In these docs we'll demonstrate configuring Jest, but you should be able to do similar things with any testing framework (React Testing .Testing iframes in React with Enzyme. Sep 5, 2019 — I recently worked on an unusual and somewhat anachronistic requirement, presenting a marketing/sales form using an iframe inside a React.js . Dragonclaw Hook, How to test if iframe exists with React testing library?. Sep 7, 2021 — You can then test if the