forked from angular/angular
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test-main.js
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test-main.js
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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
// Tun on full stack traces in errors to help debugging
Error.stackTraceLimit = Infinity;
jasmine.DEFAULT_TIMEOUT_INTERVAL = 100;
// Cancel Karma's synchronous start,
// we will call `__karma__.start()` later, once all the specs are loaded.
__karma__.loaded = function() {};
window.isNode = false;
window.isBrowser = true;
System.config({
baseURL: '/base',
defaultJSExtensions: true,
map: {
'benchpress/*': 'dist/js/dev/es5/benchpress/*.js',
'@angular': 'dist/all/@angular',
'domino': 'dist/all/@angular/empty.js',
'url': 'dist/all/@angular/empty.js',
'xhr2': 'dist/all/@angular/empty.js',
'@angular/platform-server/src/domino_adapter': 'dist/all/empty.js',
'rxjs': 'node_modules/rxjs',
},
packages: {
'@angular/core/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/core': {main: 'index.js', defaultExtension: 'js'},
'@angular/animations/browser/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/animations/browser': {main: 'index.js', defaultExtension: 'js'},
'@angular/animations/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/animations': {main: 'index.js', defaultExtension: 'js'},
'@angular/compiler/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/compiler': {main: 'index.js', defaultExtension: 'js'},
'@angular/common/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/common/http/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/common/http': {main: 'index.js', defaultExtension: 'js'},
'@angular/common': {main: 'index.js', defaultExtension: 'js'},
'@angular/forms': {main: 'index.js', defaultExtension: 'js'},
// remove after all tests imports are fixed
'@angular/facade': {main: 'index.js', defaultExtension: 'js'},
'@angular/router/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/router': {main: 'index.js', defaultExtension: 'js'},
'@angular/http/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/http': {main: 'index.js', defaultExtension: 'js'},
'@angular/upgrade/static': {main: 'index.js', defaultExtension: 'js'},
'@angular/upgrade': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser/animations/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser/animations': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser-dynamic/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-browser-dynamic': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-server/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-server': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-webworker': {main: 'index.js', defaultExtension: 'js'},
'@angular/platform-webworker-dynamic': {main: 'index.js', defaultExtension: 'js'},
'@angular/private/testing': {main: 'index.js', defaultExtension: 'js'},
'@angular/elements': {main: 'index.js', defaultExtension: 'js'},
'rxjs/ajax': {main: 'index.js', defaultExtension: 'js'},
'rxjs/operators': {main: 'index.js', defaultExtension: 'js'},
'rxjs/testing': {main: 'index.js', defaultExtension: 'js'},
'rxjs/websocket': {main: 'index.js', defaultExtension: 'js'},
'rxjs': {main: 'index.js', defaultExtension: 'js'},
}
});
// Load browser-specific CustomElement polyfills, set up the test injector, import all the specs,
// execute their `main()` method and kick off Karma (Jasmine).
Promise
.resolve()
// Load browser-specific polyfills for custom elements.
.then(function() { return loadCustomElementsPolyfills(); })
// Load necessary testing packages.
.then(function() {
return Promise.all([
System.import('@angular/core/testing'),
System.import('@angular/platform-browser-dynamic/testing'),
System.import('@angular/platform-browser/animations')
]);
})
// Set up the test injector.
.then(function(mods) {
var coreTesting = mods[0];
var pbdTesting = mods[1];
var pbAnimations = mods[2];
coreTesting.TestBed.initTestEnvironment(
[pbdTesting.BrowserDynamicTestingModule, pbAnimations.NoopAnimationsModule],
pbdTesting.platformBrowserDynamicTesting());
})
// Import all the specs and execute their `main()` method.
.then(function() {
return Promise.all(Object
.keys(window.__karma__.files) // All files served by Karma.
.filter(onlySpecFiles)
.map(window.file2moduleName) // Normalize paths to module names.
.map(function(path) {
return System.import(path).then(function(module) {
if (module.hasOwnProperty('main')) {
throw new Error('main() in specs are no longer supported');
}
});
}));
})
// Kick off karma (Jasmine).
.then(function() { __karma__.start(); }, function(error) { console.error(error); });
function loadCustomElementsPolyfills() {
var loadedPromise = Promise.resolve();
// The custom elements polyfill relies on `MutationObserver`.
if (!window.MutationObserver) {
loadedPromise =
loadedPromise
.then(function() { return System.import('node_modules/mutation-observer/index.js'); })
.then(function(MutationObserver) { window.MutationObserver = MutationObserver; });
}
// The custom elements polyfill relies on `Object.setPrototypeOf()`.
if (!Object.setPrototypeOf) {
var getDescriptor = function getDescriptor(obj, prop) {
var descriptor;
while (obj && !descriptor) {
descriptor = Object.getOwnPropertyDescriptor(obj, prop);
obj = Object.getPrototypeOf(obj);
}
return descriptor || {};
};
var setPrototypeOf = function setPrototypeOf(obj, proto) {
for (var prop in proto) {
if (!obj.hasOwnProperty(prop)) {
Object.defineProperty(obj, prop, getDescriptor(proto, prop));
}
}
return obj;
};
Object.defineProperty(setPrototypeOf, '$$shimmed', {value: true});
Object.setPrototypeOf = setPrototypeOf;
}
// The custom elements polyfill will patch properties and methods on `(HTML)Element` and `Node`
// (among others), including `(HTML)Element#innerHTML` and `Node#removeChild()`:
// https://github.com/webcomponents/custom-elements/blob/4f7072c0dbda4beb505d16967acfffd33337b325/src/Patch/Element.js#L28-L73
// https://github.com/webcomponents/custom-elements/blob/4f7072c0dbda4beb505d16967acfffd33337b325/src/Patch/Node.js#L105-L120
// The patched `innerHTML` setter and `removeChild()` method will try to traverse the DOM (via
// `nextSibling` and `parentNode` respectively), which leads to infinite loops when testing
// `HtmlSanitizer` with cloberred elements on browsers that do not support the `<template>`
// element:
// https://github.com/angular/angular/blob/213baa37b0b71e72d00ad7b606ebfc2ade06b934/packages/platform-browser/src/security/html_sanitizer.ts#L29-L38
// To avoid that, we "unpatch" these properties/methods and apply the patch only for the relevant
// `@angular/elements` tests.
var patchConfig = {'innerHTML': ['Element', 'HTMLElement'], 'removeChild': ['Node']};
var patchTargets = {};
var originalDescriptors = {};
if (!window.customElements) {
Object.keys(patchConfig).forEach(function(prop) {
patchConfig[prop]
.map(function(name) { return window[name].prototype; })
.some(function(candidatePatchTarget) {
var candidateOriginalDescriptor =
Object.getOwnPropertyDescriptor(candidatePatchTarget, prop);
if (candidateOriginalDescriptor) {
patchTargets[prop] = candidatePatchTarget;
originalDescriptors[prop] = candidateOriginalDescriptor;
return true;
}
});
});
}
var polyfillPath = !window.customElements ?
// Load custom elements polyfill.
'node_modules/@webcomponents/custom-elements/custom-elements.min.js' :
// Allow ES5 functions as custom element constructors.
'node_modules/@webcomponents/custom-elements/src/native-shim.js';
loadedPromise =
loadedPromise.then(function() { return System.import(polyfillPath); }).then(function() {
// `packages/compiler/test/schema/schema_extractor.ts` relies on `HTMLElement.name`,
// but custom element polyfills will replace `HTMLElement` with an anonymous function.
Object.defineProperty(HTMLElement, 'name', {value: 'HTMLElement'});
// Create helper functions on `window` for patching/restoring properties/methods.
Object.keys(patchConfig).forEach(function(prop) {
var patchMethod = '$$patch_' + prop;
var restoreMethod = '$$restore_' + prop;
if (!patchTargets[prop]) {
// No patching detected. Create no-op functions.
window[patchMethod] = window[restoreMethod] = function() {};
} else {
var patchTarget = patchTargets[prop];
var originalDescriptor = originalDescriptors[prop];
var patchedDescriptor = Object.getOwnPropertyDescriptor(patchTarget, prop);
window[patchMethod] = function() {
Object.defineProperty(patchTarget, prop, patchedDescriptor);
};
window[restoreMethod] = function() {
Object.defineProperty(patchTarget, prop, originalDescriptor);
};
// Restore `prop`. The patch will be manually applied only during the
// `@angular/elements` tests that need it.
window[restoreMethod]();
}
});
});
return loadedPromise;
}
function onlySpecFiles(path) {
return /_spec\.js$/.test(path);
}