How can I optimize async tests in React Testing Library?
You can optimize async tests by using waitFor
, findBy
queries, and reducing unnecessary re-renders.
What are waitFor
and findBy
? Can you explain their usage?
waitFor
allows you to wait for a condition to be true, while findBy
queries return elements that match a condition asynchronously.
Are there any performance tips for large component trees?
Yes, consider using React.memo
to prevent unnecessary re-renders and ensure your tests are only testing what's needed.
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