jest-preset-angular
Version:
Jest preset configuration for Angular projects
51 lines (43 loc) • 1.34 kB
JavaScript
/**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const {FakeTimers, installCommonGlobals} = require('jest-util');
const mock = require('jest-mock');
class JSDOMEnvironment {
constructor(config) {
// lazy require
const {JSDOM} = require('jsdom');
this.document = new JSDOM('<!doctype html>', {
url: config.testURL,
runScripts: 'dangerously'
});
const global = (this.global = this.document.window.document.defaultView);
// Node's error-message stack size is limited at 10, but it's pretty useful
// to see more than that when a test fails.
global.Error.stackTraceLimit = 100;
installCommonGlobals(global, config.globals);
this.moduleMocker = new mock.ModuleMocker(global);
this.fakeTimers = new FakeTimers(global, this.moduleMocker, config);
}
dispose() {
if (this.fakeTimers) {
this.fakeTimers.dispose();
}
if (this.global) {
this.global.close();
}
this.global = null;
this.document = null;
this.fakeTimers = null;
}
runScript(script) {
if (this.global) {
return this.document.runVMScript(script);
}
return null;
}
}
module.exports = JSDOMEnvironment;