puppeteer/experimental/puppeteer-firefox/test/utils.js

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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* Licensed 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.
*/
const fs = require('fs');
const path = require('path');
const utils = module.exports = {
/**
* @param {!Page} page
* @param {string} frameId
* @param {string} url
* @return {!Puppeteer.Frame}
*/
attachFrame: async function(page, frameId, url) {
await page.evaluate(attachFrame, frameId, url);
async function attachFrame(frameId, url) {
const frame = document.createElement('iframe');
frame.src = url;
frame.id = frameId;
document.body.appendChild(frame);
await new Promise(x => frame.onload = x);
}
},
/**
* @param {!Page} page
* @param {string} frameId
*/
detachFrame: async function(page, frameId) {
await page.evaluate(detachFrame, frameId);
function detachFrame(frameId) {
const frame = document.getElementById(frameId);
frame.remove();
}
},
/**
* @param {!Page} page
* @param {string} frameId
* @param {string} url
*/
navigateFrame: async function(page, frameId, url) {
await page.evaluate(navigateFrame, frameId, url);
function navigateFrame(frameId, url) {
const frame = document.getElementById(frameId);
frame.src = url;
return new Promise(x => frame.onload = x);
}
},
/**
* @param {!Frame} frame
* @param {string=} indentation
* @return {!Array<string>}
*/
dumpFrames: function(frame, indentation) {
indentation = indentation || '';
let description = frame.url().replace(/:\d{4}\//, ':<PORT>/');
if (frame.name())
description += ' (' + frame.name() + ')';
let result = [indentation + description];
for (const child of frame.childFrames())
result.push(...utils.dumpFrames(child, ' ' + indentation));
return result;
},
/**
* @param {!EventEmitter} emitter
* @param {string} eventName
* @return {!Promise<!Object>}
*/
waitEvent: function(emitter, eventName, predicate = () => true) {
return new Promise(fulfill => {
emitter.on(eventName, function listener(event) {
if (!predicate(event))
return;
emitter.removeListener(eventName, listener);
fulfill(event);
});
});
},
};