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cljest.helpers.hooks
render-hookcljs
(render-hook hook-fn)Renders given hook-fn.
Returns a map with keys :result and :act.
:resultis an object that can be dereferenced which contains the current value of the rendered hook. You can considerresultto be similar to an atom -- it is mutable and you need to dereference it to get the current value if it changes over the lifecycle of your test.:actis a function that should wrap any mutations to the rendered hook. It essentially performs the action in such a way that any updates that need to be rendered are also performed. It takes a single function that contains mutations and the result of this function must bejs/undefinedor a function. For more details, see the official docs onact.
Example:
(let [{:keys [result act]} (render-hook (fn [] (uix/use-state 1)))
[value set-value!] @result]
(m/=? 1 value)
(act (fn [] (set-value! 2)))
(let [[value _set-value!] @result]
(m/=? 2 value)))
Renders given `hook-fn`.
Returns a map with keys `:result` and `:act`.
* `:result` is an object that can be dereferenced which contains the
current value of the rendered hook.
You can consider `result` to be similar to an atom -- it is mutable and
you need to dereference it to get the current value if it changes over the
lifecycle of your test.
* `:act` is a function that should wrap any mutations to the rendered hook.
It essentially performs the action in such a way that any updates that need to
be rendered are also performed. It takes a single function that contains mutations
and the result of this function must be `js/undefined` or a function.
For more details, see [the official docs on `act`](https://reactjs.org/docs/test-utils.html#act).
Example:
```
(let [{:keys [result act]} (render-hook (fn [] (uix/use-state 1)))
[value set-value!] @result]
(m/=? 1 value)
(act (fn [] (set-value! 2)))
(let [[value _set-value!] @result]
(m/=? 2 value)))
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