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React Testing Library

Part of the Frontend Developer Roadmap

In short

A testing utility built around the philosophy of testing components the way users actually interact with them — querying by visible text/role rather than internal implementation details.

How to learn this

  1. 1Write a test that renders a component and asserts on visible text.
  2. 2Practice `fireEvent`/`userEvent` to simulate clicks and typing.
  3. 3Learn why RTL discourages testing internal state or implementation directly.

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