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() })