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React Testing Library · Matcher

toBeValid

React Testing Library's render mounts a component and gives you DOM queries for testing it. Use screen for document-wide queries and find queries when content appears asynchronously.

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Syntax

render(Component)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • render
  • screen
  • container
  • unmount
  • findAllByText
  • getByText
  • fireEvent
  • custom render

Source: Cheatsheet | Testing Library. Checked 2026-11-03.