Do Jest and React Testing Library work together?
Yes. Jest runs the test files. Inside each test, RTL renders the component and queries the result. You use Jest's expect to assert that what RTL found matches what you expected. Jest runs; RTL handles React.
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Jest is a test runner that finds and runs test files, provides test and expect functions, handles mocks, and reports results. RTL renders React components and provides queries to find elements and simulate events. You need both.
For testing React components, not effectively. Jest alone cannot render React components or simulate user events. You need a rendering library like RTL. Jest can test pure JavaScript functions on its own.
No. RTL is a rendering and interaction library for React components. It does not run tests or provide assertions. You need a test runner like Jest or Vitest alongside RTL.
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