jest.mock("../util/stop_ie", () => { return { stopIE: jest.fn() }; }); jest.mock("../util/util", () => { return { shortRevision: jest.fn(), trim: jest.fn((s: unknown) => s), defensiveClone: jest.fn((s: unknown) => s) }; }); jest.mock("../i18n", () => { return { detectLanguage: jest.fn(() => Promise.resolve()) }; }); jest.mock("i18next", () => { return { init: jest.fn() }; }); jest.mock("../routes", () => { return { attachAppToDom: { mock: "Yeah" } }; }); import { stopIE } from "../util/stop_ie"; import { shortRevision } from "../util/util"; import { detectLanguage } from "../i18n"; import I from "i18next"; describe("entry file", () => { it("Calls the expected callbacks", async () => { await import("../entry"); expect(stopIE).toHaveBeenCalled(); expect(shortRevision).toHaveBeenCalled(); expect(detectLanguage).toHaveBeenCalled(); expect(I.init).toHaveBeenCalled(); }); });