@kingstinct/react-native-healthkit/src/hooks/useIsHealthDataAvailable.test.ts

React Native bindings for HealthKit

import { describe, expect, jest, test } from 'bun:test'
import { renderHook } from '@testing-library/react-native'

import { Core } from '../modules'
import waitForNextUpdate from '../test-utils'

describe('useIsHealthDataAvailable', () => {
  test('should return false', async () => {
    const useIsHealthDataAvailable = (
      await import('./useIsHealthDataAvailable')
    ).default
    jest
      .spyOn(Core, 'isHealthDataAvailableAsync')
      .mockReturnValue(Promise.resolve(false))

    const { result } = renderHook(useIsHealthDataAvailable)

    await waitForNextUpdate()

    expect(result.current).toBe(false)
  })

  test('should return true', async () => {
    const useIsHealthDataAvailable = (
      await import('./useIsHealthDataAvailable')
    ).default
    jest
      .spyOn(Core, 'isHealthDataAvailableAsync')
      .mockReturnValue(Promise.resolve(true))

    const { result } = renderHook(useIsHealthDataAvailable)

    await waitForNextUpdate()

    expect(result.current).toBe(true)
  })

  test('should return null before initalizing', async () => {
    const useIsHealthDataAvailable = (
      await import('./useIsHealthDataAvailable')
    ).default
    const { result } = renderHook(useIsHealthDataAvailable)

    expect(result.current).toBe(null)

    await waitForNextUpdate()
  })
})