import AsyncStorage from '@react-native-async-storage/async-storage'
import { load, loadString, save, saveString, clear, remove } from './storage'

// fixtures
const VALUE_OBJECT = { x: 1 }
const VALUE_STRING = JSON.stringify(VALUE_OBJECT)

beforeEach(() => (AsyncStorage.getItem as jest.Mock).mockReturnValue(Promise.resolve(VALUE_STRING)))
afterEach(() => jest.clearAllMocks())

test('load', async () => {
  const value = await load('something')
  expect(value).toEqual(JSON.parse(VALUE_STRING))
})

test('loadString', async () => {
  const value = await loadString('something')
  expect(value).toEqual(VALUE_STRING)
})

test('save', async () => {
  await save('something', VALUE_OBJECT)
  expect(AsyncStorage.setItem).toHaveBeenCalledWith('something', VALUE_STRING)
})

test('saveString', async () => {
  await saveString('something', VALUE_STRING)
  expect(AsyncStorage.setItem).toHaveBeenCalledWith('something', VALUE_STRING)
})

test('remove', async () => {
  await remove('something')
  expect(AsyncStorage.removeItem).toHaveBeenCalledWith('something')
})

test('clear', async () => {
  await clear()
  expect(AsyncStorage.clear).toHaveBeenCalledWith()
})