code-server/test/unit/browser/pages/vscode.test.ts

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/**
* @jest-environment jsdom
*/
import fetchMock from "jest-fetch-mock"
import { JSDOM } from "jsdom"
import {
getNlsConfiguration,
nlsConfigElementId,
getConfigurationForLoader,
setBodyBackgroundToThemeBackgroundColor,
_createScriptURL,
main,
createBundlePath,
2021-07-12 23:54:19 +00:00
} from "../../../../src/browser/pages/vscode"
describe("vscode", () => {
describe("getNlsConfiguration", () => {
let _document: Document
beforeEach(() => {
// We use underscores to not confuse with global values
const { window: _window } = new JSDOM()
_document = _window.document
fetchMock.enableMocks()
})
afterEach(() => {
fetchMock.resetMocks()
})
it("should throw an error if no nlsConfigElement", () => {
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not parse NLS configuration. Could not find nlsConfigElement with id: ${nlsConfigElementId}`
expect(() => {
getNlsConfiguration(_document, "")
}).toThrowError(errorMessage)
})
it("should throw an error if no nlsConfig", () => {
const mockElement = _document.createElement("div")
mockElement.setAttribute("id", nlsConfigElementId)
_document.body.appendChild(mockElement)
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not parse NLS configuration. Found nlsConfigElement but missing data-settings attribute.`
expect(() => {
getNlsConfiguration(_document, "")
}).toThrowError(errorMessage)
_document.body.removeChild(mockElement)
})
it("should return the correct configuration", () => {
const mockElement = _document.createElement("div")
const dataSettings = {
first: "Jane",
last: "Doe",
}
mockElement.setAttribute("id", nlsConfigElementId)
mockElement.setAttribute("data-settings", JSON.stringify(dataSettings))
_document.body.appendChild(mockElement)
const actual = getNlsConfiguration(_document, "")
expect(actual).toStrictEqual(dataSettings)
_document.body.removeChild(mockElement)
})
it("should return and have a loadBundle property if _resolvedLangaugePackCoreLocation", async () => {
const mockElement = _document.createElement("div")
const dataSettings = {
locale: "en",
availableLanguages: ["en", "de"],
_resolvedLanguagePackCoreLocation: "./",
}
mockElement.setAttribute("id", nlsConfigElementId)
mockElement.setAttribute("data-settings", JSON.stringify(dataSettings))
_document.body.appendChild(mockElement)
const nlsConfig = getNlsConfiguration(_document, "")
expect(nlsConfig._resolvedLanguagePackCoreLocation).not.toBe(undefined)
expect(nlsConfig.loadBundle).not.toBe(undefined)
const mockCallbackFn = jest.fn((_, bundle) => {
return bundle
})
fetchMock.mockOnce(JSON.stringify({ key: "hello world" }))
// Ensure that load bundle works as expected
// by mocking the fetch response and checking that the callback
// had the expected value
await nlsConfig.loadBundle("hello", "en", mockCallbackFn)
expect(mockCallbackFn).toHaveBeenCalledTimes(1)
expect(mockCallbackFn).toHaveBeenCalledWith(undefined, { key: "hello world" })
// Call it again to ensure it loads from the cache
// it should return the same value
await nlsConfig.loadBundle("hello", "en", mockCallbackFn)
expect(mockCallbackFn).toHaveBeenCalledTimes(2)
expect(mockCallbackFn).toHaveBeenCalledWith(undefined, { key: "hello world" })
fetchMock.mockReject(new Error("fake error message"))
const mockCallbackFn2 = jest.fn((error) => error)
// Call it for a different bundle and mock a failed fetch call
// to ensure we get the expected error
const error = await nlsConfig.loadBundle("goodbye", "es", mockCallbackFn2)
expect(error.message).toEqual("fake error message")
// Clean up
_document.body.removeChild(mockElement)
})
})
describe("createBundlePath", () => {
it("should return the correct path", () => {
const _resolvedLangaugePackCoreLocation = "./languages"
const bundle = "/bundle.js"
const expected = "./languages/!bundle.js.nls.json"
const actual = createBundlePath(_resolvedLangaugePackCoreLocation, bundle)
expect(actual).toBe(expected)
})
it("should return the correct path (even if _resolvedLangaugePackCoreLocation is undefined)", () => {
const _resolvedLangaugePackCoreLocation = undefined
const bundle = "/bundle.js"
const expected = "/!bundle.js.nls.json"
const actual = createBundlePath(_resolvedLangaugePackCoreLocation, bundle)
expect(actual).toBe(expected)
})
})
describe("setBodyBackgroundToThemeBackgroundColor", () => {
let _document: Document
let _localStorage: Storage
beforeEach(() => {
// We need to set the url in the JSDOM constructor
// to prevent this error "SecurityError: localStorage is not available for opaque origins"
// See: https://github.com/jsdom/jsdom/issues/2304#issuecomment-622314949
const { window: _window } = new JSDOM("", { url: "http://localhost" })
_document = _window.document
_localStorage = _window.localStorage
})
it("should return null", () => {
const test = {
colorMap: {
[`editor.background`]: "#ff3270",
},
}
_localStorage.setItem("colorThemeData", JSON.stringify(test))
expect(setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)).toBeNull()
_localStorage.removeItem("colorThemeData")
})
it("should throw an error if it can't find colorThemeData in localStorage", () => {
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not set body background to theme background color. Could not find colorThemeData in localStorage.`
expect(() => {
setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)
}).toThrowError(errorMessage)
})
it("should throw an error if there is an error parsing colorThemeData from localStorage", () => {
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not set body background to theme background color. Could not parse colorThemeData from localStorage.`
_localStorage.setItem(
"colorThemeData",
'{"id":"vs-dark max-SS-Cyberpunk-themes-cyberpunk-umbra-color-theme-json","label":"Activate UMBRA protocol","settingsId":"Activate "errorForeground":"#ff3270","foreground":"#ffffff","sideBarTitle.foreground":"#bbbbbb"},"watch\\":::false}',
)
expect(() => {
setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)
}).toThrowError(errorMessage)
localStorage.removeItem("colorThemeData")
})
it("should throw an error if there is no colorMap property", () => {
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not set body background to theme background color. colorThemeData is missing colorMap.`
const test = {
id: "hey-joe",
}
_localStorage.setItem("colorThemeData", JSON.stringify(test))
expect(() => {
setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)
}).toThrowError(errorMessage)
_localStorage.removeItem("colorThemeData")
})
it("should throw an error if there is no editor.background color", () => {
const errorMsgPrefix = "[vscode]"
const errorMessage = `${errorMsgPrefix} Could not set body background to theme background color. colorThemeData.colorMap["editor.background"] is undefined.`
const test = {
id: "hey-joe",
colorMap: {
editor: "#fff",
},
}
_localStorage.setItem("colorThemeData", JSON.stringify(test))
expect(() => {
setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)
}).toThrowError(errorMessage)
_localStorage.removeItem("colorThemeData")
})
it("should set the body background to the editor background color", () => {
const test = {
colorMap: {
[`editor.background`]: "#ff3270",
},
}
_localStorage.setItem("colorThemeData", JSON.stringify(test))
setBodyBackgroundToThemeBackgroundColor(_document, _localStorage)
// When the body.style.backgroundColor is set using hex
// it is converted to rgb
// which is why we use that in the assertion
expect(_document.body.style.backgroundColor).toBe("rgb(255, 50, 112)")
_localStorage.removeItem("colorThemeData")
})
})
describe("getConfigurationForLoader", () => {
let _window: Window
beforeEach(() => {
const { window: __window } = new JSDOM()
// @ts-expect-error the Window from JSDOM is not exactly the same as Window
// so we expect an error here
_window = __window
})
it("should return a loader object (with undefined trustedTypesPolicy)", () => {
const options = {
base: ".",
csStaticBase: "/",
logLevel: 1,
}
const nlsConfig = {
first: "Jane",
last: "Doe",
locale: "en",
availableLanguages: {},
}
const loader = getConfigurationForLoader({
options,
_window,
nlsConfig: nlsConfig,
})
expect(loader).toStrictEqual({
baseUrl: "http://localhost//vendor/modules/code-oss-dev/out",
paths: {
"iconv-lite-umd": "../node_modules/iconv-lite-umd/lib/iconv-lite-umd.js",
jschardet: "../node_modules/jschardet/dist/jschardet.min.js",
"tas-client-umd": "../node_modules/tas-client-umd/lib/tas-client-umd.js",
"vscode-oniguruma": "../node_modules/vscode-oniguruma/release/main",
"vscode-textmate": "../node_modules/vscode-textmate/release/main",
xterm: "../node_modules/xterm/lib/xterm.js",
"xterm-addon-search": "../node_modules/xterm-addon-search/lib/xterm-addon-search.js",
"xterm-addon-unicode11": "../node_modules/xterm-addon-unicode11/lib/xterm-addon-unicode11.js",
"xterm-addon-webgl": "../node_modules/xterm-addon-webgl/lib/xterm-addon-webgl.js",
},
recordStats: true,
trustedTypesPolicy: undefined,
"vs/nls": {
availableLanguages: {},
first: "Jane",
last: "Doe",
locale: "en",
},
})
})
it("should return a loader object with trustedTypesPolicy", () => {
interface PolicyOptions {
createScriptUrl: (url: string) => string
}
function mockCreatePolicy(policyName: string, options: PolicyOptions) {
return {
name: policyName,
...options,
}
}
const mockFn = jest.fn(mockCreatePolicy)
// @ts-expect-error we are adding a custom property to window
_window.trustedTypes = {
createPolicy: mockFn,
}
const options = {
base: "/",
csStaticBase: "/",
logLevel: 1,
}
const nlsConfig = {
first: "Jane",
last: "Doe",
locale: "en",
availableLanguages: {},
}
const loader = getConfigurationForLoader({
options,
_window,
nlsConfig: nlsConfig,
})
expect(loader.trustedTypesPolicy).not.toBe(undefined)
expect(loader.trustedTypesPolicy.name).toBe("amdLoader")
// Check that we can actually create a script URL
// using the createScriptURL on the loader object
const scriptUrl = loader.trustedTypesPolicy.createScriptURL("http://localhost/foo.js")
expect(scriptUrl).toBe("http://localhost/foo.js")
})
})
describe("_createScriptURL", () => {
it("should return the correct url", () => {
const url = _createScriptURL("localhost/foo/bar.js", "localhost")
expect(url).toBe("localhost/foo/bar.js")
})
it("should throw if the value doesn't start with the origin", () => {
expect(() => {
_createScriptURL("localhost/foo/bar.js", "coder.com")
}).toThrow("Invalid script url: localhost/foo/bar.js")
})
})
describe("main", () => {
let _window: Window
let _document: Document
let _localStorage: Storage
beforeEach(() => {
// We need to set the url in the JSDOM constructor
// to prevent this error "SecurityError: localStorage is not available for opaque origins"
// See: https://github.com/jsdom/jsdom/issues/2304#issuecomment-62231494
const { window: __window } = new JSDOM("", { url: "http://localhost" })
// @ts-expect-error the Window from JSDOM is not exactly the same as Window
// so we expect an error here
_window = __window
_document = __window.document
_localStorage = __window.localStorage
const mockElement = _document.createElement("div")
const dataSettings = {
first: "Jane",
last: "Doe",
}
mockElement.setAttribute("id", nlsConfigElementId)
mockElement.setAttribute("data-settings", JSON.stringify(dataSettings))
_document.body.appendChild(mockElement)
const test = {
colorMap: {
[`editor.background`]: "#ff3270",
},
}
_localStorage.setItem("colorThemeData", JSON.stringify(test))
})
afterEach(() => {
_localStorage.removeItem("colorThemeData")
})
it("should throw if document is missing", () => {
expect(() => {
main(undefined, _window, _localStorage)
}).toThrow("document is undefined.")
})
it("should throw if window is missing", () => {
expect(() => {
main(_document, undefined, _localStorage)
}).toThrow("window is undefined.")
})
it("should throw if localStorage is missing", () => {
expect(() => {
main(_document, _window, undefined)
}).toThrow("localStorage is undefined.")
})
it("should add loader to self.require", () => {
main(_document, _window, _localStorage)
expect(Object.prototype.hasOwnProperty.call(self, "require")).toBe(true)
})
it("should not throw in browser context", () => {
// Assuming we call it in a normal browser context
// where everything is defined
expect(() => {
main(_document, _window, _localStorage)
}).not.toThrow()
})
})
})