Testing · Senior · Question 39 of 75

When is it better to test a custom hook via `renderHook` rather than through a component?

✓Correct answer: For reusable hooks with a public API (libraries, shared utilities), where the hook itself is the product
2Always - components should never be used for hook tests
3Only for hooks without state

Explanation

For a hook used by one component, testing that component's behaviour gives more confidence with less coupling.

Further reading

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