60 lines
1.7 KiB
TypeScript
60 lines
1.7 KiB
TypeScript
import { JSDOM } from "jsdom"
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import { loggerModule } from "./helpers"
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// jest.mock is hoisted above the imports so we must use `require` here.
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jest.mock("@coder/logger", () => require("./helpers").loggerModule)
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describe("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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global.location = window.location
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const mockRegisterFn = jest.fn()
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beforeAll(() => {
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Object.defineProperty(global.navigator, "serviceWorker", {
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value: {
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register: mockRegisterFn,
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},
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})
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})
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afterEach(() => {
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mockRegisterFn.mockClear()
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jest.resetModules()
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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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// Load service worker like you would in the browser
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require("../src/browser/register")
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// Load service worker like you would in the browser
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expect(mockRegisterFn).toHaveBeenCalled()
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expect(mockRegisterFn).toHaveBeenCalledTimes(1)
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})
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it("should log an error if something doesn't work", () => {
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const message = "Can't find browser"
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const error = new Error(message)
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mockRegisterFn.mockImplementation(() => {
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throw error
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})
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// Load service worker like you would in the browser
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require("../src/browser/register")
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expect(mockRegisterFn).toHaveBeenCalled()
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expect(loggerModule.logger.error).toHaveBeenCalled()
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expect(loggerModule.logger.error).toHaveBeenCalledTimes(1)
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expect(loggerModule.logger.error).toHaveBeenCalledWith(
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`[Service Worker] registration: ${error.message} ${error.stack}`,
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)
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})
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})
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