a787f78074
We have some internal proxies for all of the Jasmine functions, as well as some other helpers. This code hasn't been touched in more than 5 years, it can lead to confusion and it isn't really necessary since the same can be achieved using Jasmine. These changes remove most of the code and clean up our existing unit tests. PR Close #42177
257 lines
11 KiB
JavaScript
257 lines
11 KiB
JavaScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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// Tun on full stack traces in errors to help debugging
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Error.stackTraceLimit = Infinity;
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 3000;
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// Cancel Karma's synchronous start,
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// we will call `__karma__.start()` later, once all the specs are loaded.
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__karma__.loaded = function() {};
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window.isNode = false;
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window.isBrowser = true;
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System.config({
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baseURL: '/base',
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defaultJSExtensions: true,
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map: {
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'benchpress/*': 'dist/js/dev/es5/benchpress/*.js',
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'@angular': 'dist/all/@angular',
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'domino': 'dist/all/@angular/empty.js',
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'url': 'dist/all/@angular/empty.js',
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'xhr2': 'dist/all/@angular/empty.js',
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'@angular/platform-server/src/domino_adapter': 'dist/all/@angular/empty.js',
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'angular-in-memory-web-api': 'dist/all/@angular/misc/angular-in-memory-web-api',
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'rxjs': 'node_modules/rxjs',
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},
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packages: {
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'@angular/core/src/render3': {main: 'index.js', defaultExtension: 'js'},
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'@angular/core/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/core': {main: 'index.js', defaultExtension: 'js'},
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'@angular/animations/browser/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/animations/browser': {main: 'index.js', defaultExtension: 'js'},
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'@angular/animations/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/animations': {main: 'index.js', defaultExtension: 'js'},
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'@angular/compiler/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/compiler': {main: 'index.js', defaultExtension: 'js'},
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'@angular/common/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/common/http/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/common/http': {main: 'index.js', defaultExtension: 'js'},
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'@angular/common': {main: 'index.js', defaultExtension: 'js'},
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'@angular/forms': {main: 'index.js', defaultExtension: 'js'},
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'@angular/misc/angular-in-memory-web-api': {main: 'index.js', defaultExtension: 'js'},
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// remove after all tests imports are fixed
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'@angular/facade': {main: 'index.js', defaultExtension: 'js'},
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'@angular/router/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/router': {main: 'index.js', defaultExtension: 'js'},
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'@angular/localize/src/utils': {main: 'index.js', defaultExtension: 'js'},
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'@angular/localize/src/localize': {main: 'index.js', defaultExtension: 'js'},
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'@angular/localize/init': {main: 'index.js', defaultExtension: 'js'},
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'@angular/localize': {main: 'index.js', defaultExtension: 'js'},
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'@angular/upgrade/static/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/upgrade/static': {main: 'index.js', defaultExtension: 'js'},
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'@angular/upgrade': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser/animations/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser/animations': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser-dynamic/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-browser-dynamic': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-server/init': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-server/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/platform-server': {main: 'index.js', defaultExtension: 'js'},
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'@angular/private/testing': {main: 'index.js', defaultExtension: 'js'},
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'@angular/elements': {main: 'index.js', defaultExtension: 'js'},
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'rxjs/ajax': {main: 'index.js', defaultExtension: 'js'},
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'rxjs/operators': {main: 'index.js', defaultExtension: 'js'},
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'rxjs/testing': {main: 'index.js', defaultExtension: 'js'},
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'rxjs/websocket': {main: 'index.js', defaultExtension: 'js'},
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'rxjs': {main: 'index.js', defaultExtension: 'js'},
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}
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});
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// Load browser-specific CustomElement polyfills, set up the test injector, import all the specs,
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// execute their `main()` method and kick off Karma (Jasmine).
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Promise
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.resolve()
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// Load browser-specific polyfills for custom elements.
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.then(function() {
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return loadCustomElementsPolyfills();
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})
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// Load necessary testing packages.
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.then(function() {
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return Promise.all([
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System.import('@angular/core/testing'),
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System.import('@angular/platform-browser-dynamic/testing'),
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System.import('@angular/platform-browser/animations')
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]);
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})
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// Set up the test injector.
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.then(function(mods) {
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var coreTesting = mods[0];
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var pbdTesting = mods[1];
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var pbAnimations = mods[2];
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coreTesting.TestBed.initTestEnvironment(
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[pbdTesting.BrowserDynamicTestingModule, pbAnimations.NoopAnimationsModule],
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pbdTesting.platformBrowserDynamicTesting());
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})
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// Import all the specs and execute their `main()` method.
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.then(function() {
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return Promise.all(Object
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.keys(window.__karma__.files) // All files served by Karma.
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.filter(onlySpecFiles)
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.map(window.file2moduleName) // Normalize paths to module names.
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.map(function(path) {
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return System.import(path).then(function(module) {
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if (module.hasOwnProperty('main')) {
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throw new Error('main() in specs are no longer supported');
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}
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});
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}));
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})
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// Kick off karma (Jasmine).
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.then(
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function() {
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__karma__.start();
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},
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function(error) {
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console.error(error);
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});
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function loadCustomElementsPolyfills() {
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var loadedPromise = Promise.resolve();
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// The custom elements polyfill relies on `MutationObserver`.
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if (!window.MutationObserver) {
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loadedPromise = loadedPromise
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.then(function() {
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return System.import('node_modules/mutation-observer/index.js');
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})
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.then(function(MutationObserver) {
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window.MutationObserver = MutationObserver;
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});
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}
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// The custom elements polyfill relies on `Object.setPrototypeOf()`.
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if (!Object.setPrototypeOf) {
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var getDescriptor = function getDescriptor(obj, prop) {
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var descriptor;
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while (obj && !descriptor) {
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descriptor = Object.getOwnPropertyDescriptor(obj, prop);
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obj = Object.getPrototypeOf(obj);
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}
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return descriptor || {};
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};
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var setPrototypeOf = function setPrototypeOf(obj, proto) {
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for (var prop in proto) {
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if (!obj.hasOwnProperty(prop)) {
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Object.defineProperty(obj, prop, getDescriptor(proto, prop));
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}
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}
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return obj;
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};
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Object.defineProperty(setPrototypeOf, '$$shimmed', {value: true});
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Object.setPrototypeOf = setPrototypeOf;
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}
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// The custom elements polyfill will patch properties and methods on `(HTML)Element` and `Node`
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// (among others), including `(HTML)Element#innerHTML` and `Node#removeChild()`:
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// https://github.com/webcomponents/custom-elements/blob/4f7072c0dbda4beb505d16967acfffd33337b325/src/Patch/Element.js#L28-L73
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// https://github.com/webcomponents/custom-elements/blob/4f7072c0dbda4beb505d16967acfffd33337b325/src/Patch/Node.js#L105-L120
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// The patched `innerHTML` setter and `removeChild()` method will try to traverse the DOM (via
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// `nextSibling` and `parentNode` respectively), which leads to infinite loops when testing
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// `HtmlSanitizer` with cloberred elements on browsers that do not support the `<template>`
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// element:
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// https://github.com/angular/angular/blob/213baa37b0b71e72d00ad7b606ebfc2ade06b934/packages/platform-browser/src/security/html_sanitizer.ts#L29-L38
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// To avoid that, we "unpatch" these properties/methods and apply the patch only for the relevant
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// `@angular/elements` tests.
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var patchConfig = {'innerHTML': ['Element', 'HTMLElement'], 'removeChild': ['Node']};
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var patchTargets = {};
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var originalDescriptors = {};
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if (!window.customElements) {
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Object.keys(patchConfig).forEach(function(prop) {
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patchConfig[prop]
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.map(function(name) {
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return window[name].prototype;
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})
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.some(function(candidatePatchTarget) {
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var candidateOriginalDescriptor =
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Object.getOwnPropertyDescriptor(candidatePatchTarget, prop);
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if (candidateOriginalDescriptor) {
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patchTargets[prop] = candidatePatchTarget;
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originalDescriptors[prop] = candidateOriginalDescriptor;
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return true;
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}
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});
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});
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}
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var polyfillPath = !window.customElements ?
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// Load custom elements polyfill.
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'node_modules/@webcomponents/custom-elements/custom-elements.min.js' :
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// Allow ES5 functions as custom element constructors.
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'node_modules/@webcomponents/custom-elements/src/native-shim.js';
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loadedPromise = loadedPromise
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.then(function() {
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return System.import(polyfillPath);
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})
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.then(function() {
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// `packages/compiler/test/schema/schema_extractor.ts` relies on
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// `HTMLElement.name`, but custom element polyfills will replace
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// `HTMLElement` with an anonymous function.
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Object.defineProperty(HTMLElement, 'name', {value: 'HTMLElement'});
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// Create helper functions on `window` for patching/restoring
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// properties/methods.
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Object.keys(patchConfig).forEach(function(prop) {
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var patchMethod = '$$patch_' + prop;
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var restoreMethod = '$$restore_' + prop;
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if (!patchTargets[prop]) {
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// No patching detected. Create no-op functions.
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window[patchMethod] = window[restoreMethod] = function() {};
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} else {
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var patchTarget = patchTargets[prop];
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var originalDescriptor = originalDescriptors[prop];
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var patchedDescriptor =
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Object.getOwnPropertyDescriptor(patchTarget, prop);
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window[patchMethod] = function() {
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Object.defineProperty(patchTarget, prop, patchedDescriptor);
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};
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window[restoreMethod] = function() {
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Object.defineProperty(patchTarget, prop, originalDescriptor);
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};
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// Restore `prop`. The patch will be manually applied only during the
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// `@angular/elements` tests that need it.
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window[restoreMethod]();
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}
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});
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});
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return loadedPromise;
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}
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function onlySpecFiles(path) {
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return /_spec\.js$/.test(path);
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}
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