test/testUtils.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import {JSDOM} from 'jsdom';
import Storage from 'dom-storage';

export function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

export async function createEnvFromFile(fileName, extraConfig = {}) {
    const dom = await JSDOM.fromFile(__dirname + '/' + fileName, {
        runScripts: 'dangerously',
        resources: 'usable',
        beforeParse: (window) => {
            Object.defineProperty(window, 'localStorage', {value: new Storage(null, {strict: true})})
            Object.defineProperty(window, 'sessionStorage', { value: new Storage(null, {strict: true})})
        },
        ...extraConfig
    })
    await sleep(100) // wait for external scripts to load
    return dom;
}