kia-ml/src/utils/storage/storage.test.js

Kia

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.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();
});
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