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import { StrictMode, useCallback, useEffect, useState } from 'react'import { fireEvent, render, waitFor } from '@testing-library/react'import { atom, useAtom } from 'jotai'import { useAtomCallback } from 'jotai/utils'import { StrictModeUnlessVersionedWrite, getTestProvider } from '../testUtils'
const Provider = getTestProvider()
it('useAtomCallback with get', async () => {  const countAtom = atom(0)
  const Counter = () => {    const [count, setCount] = useAtom(countAtom)    return (      <>        <div>atom count: {count}</div>        <button onClick={() => setCount((c) => c + 1)}>dispatch</button>      </>    )  }
  const Monitor = () => {    const [count, setCount] = useState(0)    const readCount = useAtomCallback(      useCallback((get) => {        const currentCount = get(countAtom)        setCount(currentCount)        return currentCount      }, [])    )    useEffect(() => {      const timer = setInterval(async () => {        await readCount()      }, 10)      return () => {        clearInterval(timer)      }    }, [readCount])    return (      <>        <div>state count: {count}</div>      </>    )  }
  const { findByText, getByText } = render(    <StrictMode>      <Provider>        <Counter />        <Monitor />      </Provider>    </StrictMode>  )
  await findByText('atom count: 0')  fireEvent.click(getByText('dispatch'))  await waitFor(() => {    getByText('atom count: 1')    getByText('state count: 1')  })})
it('useAtomCallback with set and update', async () => {  const countAtom = atom(0)  const changeableAtom = atom(0)  const Counter = () => {    const [count, setCount] = useAtom(countAtom)    return (      <>        <div>count: {count}</div>        <button onClick={() => setCount((c) => c + 1)}>dispatch</button>      </>    )  }
  const Monitor = () => {    const [changeableCount] = useAtom(changeableAtom)    const changeCount = useAtomCallback(      useCallback((get, set) => {        const currentCount = get(countAtom)        set(changeableAtom, currentCount)        return currentCount      }, [])    )    useEffect(() => {      const timer = setInterval(async () => {        await changeCount()      }, 10)      return () => {        clearInterval(timer)      }    }, [changeCount])    return (      <>        <div>changeable count: {changeableCount}</div>      </>    )  }
  const { findByText, getByText } = render(    <StrictMode>      <Provider>        <Counter />        <Monitor />      </Provider>    </StrictMode>  )
  await findByText('count: 0')  fireEvent.click(getByText('dispatch'))  await waitFor(() => {    getByText('count: 1')    getByText('changeable count: 1')  })})
it('useAtomCallback with set and update and arg', async () => {  const countAtom = atom(0)
  const App = () => {    const [count] = useAtom(countAtom)    const setCount = useAtomCallback(      useCallback((_get, set, arg: number) => {        set(countAtom, arg)        return arg      }, [])    )
    return (      <div>        <p>count: {count}</p>        <button onClick={() => setCount(42)}>dispatch</button>      </div>    )  }
  const { findByText, getByText } = render(    <StrictMode>      <Provider>        <App />      </Provider>    </StrictMode>  )
  await findByText('count: 0')  fireEvent.click(getByText('dispatch'))  await waitFor(() => {    getByText('count: 42')  })})
it('useAtomCallback with sync atom (#1100)', async () => {  const countAtom = atom(0)
  const Counter = () => {    const [count, setCount] = useAtom(countAtom)    const readCount = useAtomCallback(useCallback((get) => get(countAtom), []))    useEffect(() => {      const promiseOrValue = readCount()      if (typeof promiseOrValue !== 'number') {        throw new Error('should return number')      }    }, [readCount])    return (      <>        <div>atom count: {count}</div>        <button onClick={() => setCount((c) => c + 1)}>dispatch</button>      </>    )  }
  const { findByText, getByText } = render(    <StrictModeUnlessVersionedWrite>      <Provider>        <Counter />      </Provider>    </StrictModeUnlessVersionedWrite>  )
  await findByText('atom count: 0')
  fireEvent.click(getByText('dispatch'))  await findByText('atom count: 1')})