176 lines
3.9 KiB
JavaScript
176 lines
3.9 KiB
JavaScript
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'use strict';
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function _jestUtil() {
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const data = require('jest-util');
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_jestUtil = function () {
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return data;
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};
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return data;
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}
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function _jestMock() {
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const data = require('jest-mock');
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_jestMock = function () {
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return data;
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};
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return data;
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}
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function _fakeTimers() {
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const data = require('@jest/fake-timers');
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_fakeTimers = function () {
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return data;
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};
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return data;
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}
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function _jsdom() {
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const data = require('jsdom');
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_jsdom = function () {
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return data;
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};
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return data;
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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class JSDOMEnvironment {
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constructor(config, options = {}) {
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_defineProperty(this, 'dom', void 0);
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_defineProperty(this, 'fakeTimers', void 0);
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_defineProperty(this, 'fakeTimersLolex', void 0);
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_defineProperty(this, 'global', void 0);
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_defineProperty(this, 'errorEventListener', void 0);
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_defineProperty(this, 'moduleMocker', void 0);
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this.dom = new (_jsdom().JSDOM)('<!DOCTYPE html>', {
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pretendToBeVisual: true,
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runScripts: 'dangerously',
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url: config.testURL,
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virtualConsole: new (_jsdom().VirtualConsole)().sendTo(
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options.console || console
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),
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...config.testEnvironmentOptions
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});
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const global = (this.global = this.dom.window.document.defaultView);
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if (!global) {
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throw new Error('JSDOM did not return a Window object');
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} // Node's error-message stack size is limited at 10, but it's pretty useful
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// to see more than that when a test fails.
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this.global.Error.stackTraceLimit = 100;
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(0, _jestUtil().installCommonGlobals)(global, config.globals); // Report uncaught errors.
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this.errorEventListener = event => {
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if (userErrorListenerCount === 0 && event.error) {
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process.emit('uncaughtException', event.error);
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}
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};
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global.addEventListener('error', this.errorEventListener); // However, don't report them as uncaught if the user listens to 'error' event.
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// In that case, we assume the might have custom error handling logic.
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const originalAddListener = global.addEventListener;
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const originalRemoveListener = global.removeEventListener;
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let userErrorListenerCount = 0;
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global.addEventListener = function (...args) {
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if (args[0] === 'error') {
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userErrorListenerCount++;
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}
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return originalAddListener.apply(this, args);
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};
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global.removeEventListener = function (...args) {
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if (args[0] === 'error') {
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userErrorListenerCount--;
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}
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return originalRemoveListener.apply(this, args);
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};
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this.moduleMocker = new (_jestMock().ModuleMocker)(global);
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const timerConfig = {
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idToRef: id => id,
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refToId: ref => ref
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};
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this.fakeTimers = new (_fakeTimers().JestFakeTimers)({
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config,
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global,
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moduleMocker: this.moduleMocker,
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timerConfig
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});
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this.fakeTimersLolex = new (_fakeTimers().LolexFakeTimers)({
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config,
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global
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});
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}
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async setup() {}
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async teardown() {
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if (this.fakeTimers) {
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this.fakeTimers.dispose();
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}
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if (this.fakeTimersLolex) {
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this.fakeTimersLolex.dispose();
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}
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if (this.global) {
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if (this.errorEventListener) {
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this.global.removeEventListener('error', this.errorEventListener);
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} // Dispose "document" to prevent "load" event from triggering.
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Object.defineProperty(this.global, 'document', {
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value: null
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});
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this.global.close();
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}
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this.errorEventListener = null; // @ts-ignore
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this.global = null;
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this.dom = null;
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this.fakeTimers = null;
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this.fakeTimersLolex = null;
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}
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runScript(script) {
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if (this.dom) {
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return this.dom.runVMScript(script);
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}
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return null;
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}
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}
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module.exports = JSDOMEnvironment;
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