State Management · Senior · Question 56 of 75

How should components using TanStack Query be set up in tests?

✓Correct answer: Create a fresh QueryClient per test with retry: false and wrap the component in its provider
2Share one global client across all tests
3Mock useQuery to return fixed data in every test

Explanation

A shared client leaks cache between tests; retries make failing requests take seconds. Mock the network (MSW) rather than the hook.

Further reading

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