44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
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import { JSDOM } from "jsdom"
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import { registerServiceWorker } from "../src/browser/register"
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const { window } = new JSDOM()
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global.window = (window as unknown) as Window & typeof globalThis
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global.document = window.document
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global.navigator = window.navigator
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describe("register", () => {
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const spy = jest.fn()
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beforeAll(() => {
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// register relies on navigator to be defined globally
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// this is because the code is called on the browser
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// so we're sure it will be defined
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// We have to cast/assert so that TS thinks it's the correct type
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Object.defineProperty(global.navigator, "serviceWorker", {
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value: {
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register: spy,
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},
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})
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// global.navigator.serviceWorker.register = (spy as unknown) as ServiceWorkerContainer["register"]
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})
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afterEach(() => {
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jest.resetAllMocks()
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})
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afterAll(() => {
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jest.restoreAllMocks()
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})
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it("should register a ServiceWorker", () => {
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// call registerServiceWorker
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const path = "/hello"
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const mockOptions = {
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base: "",
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csStaticBase: "",
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logLevel: 0,
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}
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registerServiceWorker(navigator, path, mockOptions)
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// expect spy to have been called
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expect(spy).toHaveBeenCalled()
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expect(spy).toHaveBeenCalledTimes(1)
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})
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})
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