Testing

published: 2026-07-02

tags: development,javascript,react,Testing

RenderResult class

findByText method

React Testing Library (RTL)

logRoles

import {logRoles} from '@testing-library/dom'

const nav = document.createElement('nav')
nav.innerHTML = `
<ul>
  <li>Item 1</li>
  <li>Item 2</li>
</ul>`

logRoles(nav)

output

navigation:
<nav />
--------------------------------------------------
list:
<ul />
--------------------------------------------------
listitem:
<li />
<li />
--------------------------------------------------

Roles

fireEvent

async Methods

Medium

Jest testing — mocking child components to make your unit tests more concise

To Document

Writing tests with userEvent

About Queries