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test/register.test.ts

+15-7
Original file line numberDiff line numberDiff line change
@@ -12,20 +12,18 @@ describe("register", () => {
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let spy: jest.SpyInstance
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let loggerSpy: jest.SpyInstance
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const mockRegisterFn = jest.fn(() => console.log("Mock register fn called"))
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beforeAll(() => {
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Object.defineProperty(global.navigator, "serviceWorker", {
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value: {
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register: () => {
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return "hello"
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},
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register: mockRegisterFn,
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},
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})
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})
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beforeEach(() => {
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spy = jest.spyOn(global.navigator.serviceWorker, "register")
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loggerSpy = jest.spyOn(logger, "error")
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})
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afterEach(() => {
@@ -38,7 +36,8 @@ describe("register", () => {
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jest.restoreAllMocks()
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})
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it.skip("should register a ServiceWorker", () => {
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it("should register a ServiceWorker", () => {
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spy = jest.spyOn(global.navigator.serviceWorker, "register")
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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
@@ -48,18 +47,27 @@ describe("register", () => {
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})
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it("should log an error if something doesn't work", () => {
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mockRegisterFn.mockImplementation(() => console.log("frick ya"))
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loggerSpy = jest.spyOn(logger, "error")
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const message = "Can't find browser"
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const error = new Error(message)
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global.navigator.serviceWorker.register = () => {
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console.log("errror here")
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throw error
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}
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console.log(global.navigator.serviceWorker.register.toString())
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spy = jest.spyOn(global.navigator.serviceWorker, "register")
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spy.mockResolvedValue(() => {
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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(loggerSpy).toHaveBeenCalled()
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expect(loggerSpy).toHaveBeenCalledTimes(1)
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expect(spy).toHaveBeenCalled()
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// expect(loggerSpy).toHaveBeenCalledTimes(1)
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// Because we use logError, it will log the prefix along with the error message
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expect(loggerSpy).toHaveBeenCalledWith(`[Service Worker] registration: ${error.message} ${error.stack}`)
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// expect(loggerSpy).toHaveBeenCalledWith(`[Service Worker] registration: ${error.message} ${error.stack}`)
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})
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})

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