puppeteer/test/frame-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 utils = module.exports = {
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/**
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* @param {!Page} page
* @param {string} frameId
* @param {string} url
* @return {!Promise}
*/
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attachFrame: async function(page, frameId, url) {
await page.evaluate(attachFrame, frameId, url);
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function attachFrame(frameId, url) {
const frame = document.createElement('iframe');
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frame.src = url;
frame.id = frameId;
document.body.appendChild(frame);
return new Promise(x => frame.onload = x);
}
},
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/**
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* @param {!Page} page
* @param {string} frameId
* @return {!Promise}
*/
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detachFrame: async function(page, frameId) {
await page.evaluate(detachFrame, frameId);
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function detachFrame(frameId) {
const frame = document.getElementById(frameId);
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frame.remove();
}
},
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/**
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* @param {!Page} page
* @param {string} frameId
* @param {string} url
* @return {!Promise}
*/
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navigateFrame: async function(page, frameId, url) {
await page.evaluate(navigateFrame, frameId, url);
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function navigateFrame(frameId, url) {
const frame = document.getElementById(frameId);
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frame.src = url;
return new Promise(x => frame.onload = x);
}
},
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/**
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* @param {!Frame} frame
* @param {string=} indentation
* @return {string}
*/
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dumpFrames: function(frame, indentation) {
indentation = indentation || '';
let result = indentation + frame.url();
for (const child of frame.childFrames())
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result += '\n' + utils.dumpFrames(child, ' ' + indentation);
return result;
},
};