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| 1 | +import { JSDOM } from "jsdom" |
| 2 | +import { loggerModule } from "./helpers" |
| 3 | + |
| 4 | +describe("register", () => { |
| 5 | + describe("when navigator and serviceWorker are defined", () => { |
| 6 | + const mockRegisterFn = jest.fn() |
| 7 | + |
| 8 | + beforeAll(() => { |
| 9 | + const { window } = new JSDOM() |
| 10 | + global.window = (window as unknown) as Window & typeof globalThis |
| 11 | + global.document = window.document |
| 12 | + global.navigator = window.navigator |
| 13 | + global.location = window.location |
| 14 | + |
| 15 | + Object.defineProperty(global.navigator, "serviceWorker", { |
| 16 | + value: { |
| 17 | + register: mockRegisterFn, |
| 18 | + }, |
| 19 | + }) |
| 20 | + }) |
| 21 | + |
| 22 | + beforeEach(() => { |
| 23 | + jest.mock("@coder/logger", () => loggerModule) |
| 24 | + }) |
| 25 | + |
| 26 | + afterEach(() => { |
| 27 | + mockRegisterFn.mockClear() |
| 28 | + jest.resetModules() |
| 29 | + }) |
| 30 | + |
| 31 | + afterAll(() => { |
| 32 | + jest.restoreAllMocks() |
| 33 | + |
| 34 | + // We don't want these to stay around because it can affect other tests |
| 35 | + global.window = (undefined as unknown) as Window & typeof globalThis |
| 36 | + global.document = (undefined as unknown) as Document & typeof globalThis |
| 37 | + global.navigator = (undefined as unknown) as Navigator & typeof globalThis |
| 38 | + global.location = (undefined as unknown) as Location & typeof globalThis |
| 39 | + }) |
| 40 | + |
| 41 | + it("should register a ServiceWorker", () => { |
| 42 | + // Load service worker like you would in the browser |
| 43 | + require("../src/browser/register") |
| 44 | + expect(mockRegisterFn).toHaveBeenCalled() |
| 45 | + expect(mockRegisterFn).toHaveBeenCalledTimes(1) |
| 46 | + }) |
| 47 | + |
| 48 | + it("should log an error if something doesn't work", () => { |
| 49 | + const message = "Can't find browser" |
| 50 | + const error = new Error(message) |
| 51 | + |
| 52 | + mockRegisterFn.mockImplementation(() => { |
| 53 | + throw error |
| 54 | + }) |
| 55 | + |
| 56 | + // Load service worker like you would in the browser |
| 57 | + require("../src/browser/register") |
| 58 | + |
| 59 | + expect(mockRegisterFn).toHaveBeenCalled() |
| 60 | + expect(loggerModule.logger.error).toHaveBeenCalled() |
| 61 | + expect(loggerModule.logger.error).toHaveBeenCalledTimes(1) |
| 62 | + expect(loggerModule.logger.error).toHaveBeenCalledWith( |
| 63 | + `[Service Worker] registration: ${error.message} ${error.stack}`, |
| 64 | + ) |
| 65 | + }) |
| 66 | + }) |
| 67 | + |
| 68 | + describe("when navigator and serviceWorker are NOT defined", () => { |
| 69 | + let spy: jest.SpyInstance |
| 70 | + |
| 71 | + beforeEach(() => { |
| 72 | + spy = jest.spyOn(console, "error") |
| 73 | + }) |
| 74 | + |
| 75 | + afterAll(() => { |
| 76 | + jest.restoreAllMocks() |
| 77 | + }) |
| 78 | + |
| 79 | + it("should log an error to the console", () => { |
| 80 | + // Load service worker like you would in the browser |
| 81 | + require("../src/browser/register") |
| 82 | + expect(spy).toHaveBeenCalled() |
| 83 | + expect(spy).toHaveBeenCalledTimes(1) |
| 84 | + expect(spy).toHaveBeenCalledWith("[Service Worker] navigator is undefined") |
| 85 | + }) |
| 86 | + }) |
| 87 | +}) |
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