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@testing-library/react

Simple and complete React DOM testing utilities that encourage good testing practices.

Testing
testing
react
ui
dom
jsdom
unit
integration
functional
end-to-end
e2e
Documentation GitHub npm
Stars
20k
Weekly
40M
Open issues
82
Bundle
~15 kB

Installation

npm install @testing-library/react

Code example

import { render, screen } from "@testing-library/react";
import userEvent from "@testing-library/user-event";

function Counter() {
  return <button type="button">Count</button>;
}

test("renders", async () => {
  render(<Counter />);
  await userEvent.click(screen.getByRole("button"));
  expect(screen.getByRole("button")).toBeInTheDocument();
});

Pros & cons

Pros

  • Actively maintained by Kent C. Dodds
  • 40M weekly downloads. Battle tested
  • First-class TypeScript definitions
  • MIT licensed

Considerations

  • Adds roughly ~15 kB to your bundle
  • Needs client-only rendering in SSR frameworks
  • Not supported in React Native
  • 82 open issues on GitHub

FAQs

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