code-server/test/unit/register.test.ts

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2021-02-12 05:02:49 +07:00
import { JSDOM } from "jsdom"
import { registerServiceWorker } from "../../src/browser/register"
import { createLoggerMock } from "../utils/helpers"
import { LocationLike } from "./util.test"
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describe("register", () => {
describe("when navigator and serviceWorker are defined", () => {
const mockRegisterFn = jest.fn()
beforeAll(() => {
const { window } = new JSDOM()
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global.window = window as unknown as Window & typeof globalThis
global.document = window.document
global.navigator = window.navigator
global.location = window.location
Object.defineProperty(global.navigator, "serviceWorker", {
value: {
register: mockRegisterFn,
},
})
})
const loggerModule = createLoggerMock()
beforeEach(() => {
jest.clearAllMocks()
jest.mock("@coder/logger", () => loggerModule)
})
afterEach(() => {
jest.resetModules()
})
afterAll(() => {
jest.restoreAllMocks()
// We don't want these to stay around because it can affect other tests
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global.window = undefined as unknown as Window & typeof globalThis
global.document = undefined as unknown as Document & typeof globalThis
global.navigator = undefined as unknown as Navigator & typeof globalThis
global.location = undefined as unknown as Location & typeof globalThis
})
it("test should have access to browser globals from beforeAll", () => {
expect(typeof global.window).not.toBeFalsy()
expect(typeof global.document).not.toBeFalsy()
expect(typeof global.navigator).not.toBeFalsy()
expect(typeof global.location).not.toBeFalsy()
})
it("should register a ServiceWorker", () => {
// Load service worker like you would in the browser
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require("../../src/browser/register")
expect(mockRegisterFn).toHaveBeenCalled()
expect(mockRegisterFn).toHaveBeenCalledTimes(1)
})
it("should log an error if something doesn't work", () => {
const message = "Can't find browser"
const error = new Error(message)
mockRegisterFn.mockImplementation(() => {
throw error
})
// Load service worker like you would in the browser
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require("../../src/browser/register")
expect(mockRegisterFn).toHaveBeenCalled()
expect(loggerModule.logger.error).toHaveBeenCalled()
expect(loggerModule.logger.error).toHaveBeenCalledTimes(1)
expect(loggerModule.logger.error).toHaveBeenCalledWith(
`[Service Worker] registration: ${error.message} ${error.stack}`,
)
})
})
describe("when navigator and serviceWorker are NOT defined", () => {
const loggerModule = createLoggerMock()
beforeEach(() => {
jest.clearAllMocks()
jest.mock("@coder/logger", () => loggerModule)
})
afterAll(() => {
jest.restoreAllMocks()
})
it("should log an error", () => {
// Load service worker like you would in the browser
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require("../../src/browser/register")
expect(loggerModule.logger.error).toHaveBeenCalled()
expect(loggerModule.logger.error).toHaveBeenCalledTimes(1)
expect(loggerModule.logger.error).toHaveBeenCalledWith("[Service Worker] navigator is undefined")
})
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})
describe("registerServiceWorker", () => {
let serviceWorkerPath: string
let serviceWorkerScope: string
const mockFn = jest.fn((path: string, options: { scope: string }) => {
serviceWorkerPath = path
serviceWorkerScope = options.scope
return undefined
})
beforeAll(() => {
const location: LocationLike = {
pathname: "",
origin: "http://localhost:8080",
}
const { window } = new JSDOM()
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global.window = window as unknown as Window & typeof globalThis
global.document = window.document
global.navigator = window.navigator
global.location = location as Location
Object.defineProperty(global.navigator, "serviceWorker", {
value: {
register: mockFn,
},
})
})
afterEach(() => {
mockFn.mockClear()
jest.resetModules()
})
afterAll(() => {
jest.restoreAllMocks()
// We don't want these to stay around because it can affect other tests
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global.window = undefined as unknown as Window & typeof globalThis
global.document = undefined as unknown as Document & typeof globalThis
global.navigator = undefined as unknown as Navigator & typeof globalThis
global.location = undefined as unknown as Location & typeof globalThis
})
it("should register when options.base is undefined", async () => {
// Mock getElementById
const csStaticBasePath = "/static/development/Users/jp/Dev/code-server"
const spy = jest.spyOn(document, "getElementById")
// Create a fake element and set the attribute
const mockElement = document.createElement("div")
mockElement.id = "coder-options"
mockElement.setAttribute(
"data-settings",
`{"csStaticBase":"${csStaticBasePath}","logLevel":2,"disableTelemetry":false,"disableUpdateCheck":false}`,
)
// Return mockElement from the spy
// this way, when we call "getElementById"
// it returns the element
spy.mockImplementation(() => mockElement)
await registerServiceWorker()
expect(mockFn).toBeCalled()
expect(serviceWorkerPath).toMatch(`${csStaticBasePath}/dist/serviceWorker.js`)
expect(serviceWorkerScope).toMatch("/")
})
it("should register when options.base is defined", async () => {
const csStaticBasePath = "/static/development/Users/jp/Dev/code-server"
const spy = jest.spyOn(document, "getElementById")
// Create a fake element and set the attribute
const mockElement = document.createElement("div")
mockElement.id = "coder-options"
mockElement.setAttribute(
"data-settings",
`{"base":"proxy/","csStaticBase":"${csStaticBasePath}","logLevel":2,"disableTelemetry":false,"disableUpdateCheck":false}`,
)
// Return mockElement from the spy
// this way, when we call "getElementById"
// it returns the element
spy.mockImplementation(() => mockElement)
await registerServiceWorker()
expect(mockFn).toBeCalled()
expect(serviceWorkerPath).toMatch(`/dist/serviceWorker.js`)
expect(serviceWorkerScope).toMatch("/")
})
})
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})