puppeteer/test/frame.spec.js

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/**
* Copyright 2018 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 = require('./utils');
module.exports.addTests = function({testRunner, expect}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, it_fails_ffox} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Frame.executionContext', function() {
it('should work', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
expect(page.frames().length).toBe(2);
const [frame1, frame2] = page.frames();
const context1 = await frame1.executionContext();
const context2 = await frame2.executionContext();
expect(context1).toBeTruthy();
expect(context2).toBeTruthy();
expect(context1 !== context2).toBeTruthy();
expect(context1.frame()).toBe(frame1);
expect(context2.frame()).toBe(frame2);
await Promise.all([
context1.evaluate(() => window.a = 1),
context2.evaluate(() => window.a = 2)
]);
const [a1, a2] = await Promise.all([
context1.evaluate(() => window.a),
context2.evaluate(() => window.a)
]);
expect(a1).toBe(1);
expect(a2).toBe(2);
});
});
describe('Frame.evaluateHandle', function() {
it('should work', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const mainFrame = page.mainFrame();
const windowHandle = await mainFrame.evaluateHandle(() => window);
expect(windowHandle).toBeTruthy();
});
});
describe('Frame.evaluate', function() {
it_fails_ffox('should throw for detached frames', async({page, server}) => {
const frame1 = await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
await utils.detachFrame(page, 'frame1');
let error = null;
await frame1.evaluate(() => 7 * 8).catch(e => error = e);
expect(error.message).toContain('Execution Context is not available in detached frame');
});
});
describe('Frame Management', function() {
it('should handle nested frames', async({page, server}) => {
await page.goto(server.PREFIX + '/frames/nested-frames.html');
expect(utils.dumpFrames(page.mainFrame())).toEqual([
'http://localhost:<PORT>/frames/nested-frames.html',
' http://localhost:<PORT>/frames/two-frames.html (2frames)',
' http://localhost:<PORT>/frames/frame.html (uno)',
' http://localhost:<PORT>/frames/frame.html (dos)',
' http://localhost:<PORT>/frames/frame.html (aframe)'
]);
});
it('should send events when frames are manipulated dynamically', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
// validate frameattached events
const attachedFrames = [];
page.on('frameattached', frame => attachedFrames.push(frame));
await utils.attachFrame(page, 'frame1', './assets/frame.html');
expect(attachedFrames.length).toBe(1);
expect(attachedFrames[0].url()).toContain('/assets/frame.html');
// validate framenavigated events
const navigatedFrames = [];
page.on('framenavigated', frame => navigatedFrames.push(frame));
await utils.navigateFrame(page, 'frame1', './empty.html');
expect(navigatedFrames.length).toBe(1);
expect(navigatedFrames[0].url()).toBe(server.EMPTY_PAGE);
// validate framedetached events
const detachedFrames = [];
page.on('framedetached', frame => detachedFrames.push(frame));
await utils.detachFrame(page, 'frame1');
expect(detachedFrames.length).toBe(1);
expect(detachedFrames[0].isDetached()).toBe(true);
});
it('should send "framenavigated" when navigating on anchor URLs', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await Promise.all([
page.goto(server.EMPTY_PAGE + '#foo'),
utils.waitEvent(page, 'framenavigated')
]);
expect(page.url()).toBe(server.EMPTY_PAGE + '#foo');
});
it('should persist mainFrame on cross-process navigation', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const mainFrame = page.mainFrame();
await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
expect(page.mainFrame() === mainFrame).toBeTruthy();
});
it('should not send attach/detach events for main frame', async({page, server}) => {
let hasEvents = false;
page.on('frameattached', frame => hasEvents = true);
page.on('framedetached', frame => hasEvents = true);
await page.goto(server.EMPTY_PAGE);
expect(hasEvents).toBe(false);
});
it('should detach child frames on navigation', async({page, server}) => {
let attachedFrames = [];
let detachedFrames = [];
let navigatedFrames = [];
page.on('frameattached', frame => attachedFrames.push(frame));
page.on('framedetached', frame => detachedFrames.push(frame));
page.on('framenavigated', frame => navigatedFrames.push(frame));
await page.goto(server.PREFIX + '/frames/nested-frames.html');
expect(attachedFrames.length).toBe(4);
expect(detachedFrames.length).toBe(0);
expect(navigatedFrames.length).toBe(5);
attachedFrames = [];
detachedFrames = [];
navigatedFrames = [];
await page.goto(server.EMPTY_PAGE);
expect(attachedFrames.length).toBe(0);
expect(detachedFrames.length).toBe(4);
expect(navigatedFrames.length).toBe(1);
});
it('should support framesets', async({page, server}) => {
let attachedFrames = [];
let detachedFrames = [];
let navigatedFrames = [];
page.on('frameattached', frame => attachedFrames.push(frame));
page.on('framedetached', frame => detachedFrames.push(frame));
page.on('framenavigated', frame => navigatedFrames.push(frame));
await page.goto(server.PREFIX + '/frames/frameset.html');
expect(attachedFrames.length).toBe(4);
expect(detachedFrames.length).toBe(0);
expect(navigatedFrames.length).toBe(5);
attachedFrames = [];
detachedFrames = [];
navigatedFrames = [];
await page.goto(server.EMPTY_PAGE);
expect(attachedFrames.length).toBe(0);
expect(detachedFrames.length).toBe(4);
expect(navigatedFrames.length).toBe(1);
});
it('should report frame.name()', async({page, server}) => {
await utils.attachFrame(page, 'theFrameId', server.EMPTY_PAGE);
await page.evaluate(url => {
const frame = document.createElement('iframe');
frame.name = 'theFrameName';
frame.src = url;
document.body.appendChild(frame);
return new Promise(x => frame.onload = x);
}, server.EMPTY_PAGE);
expect(page.frames()[0].name()).toBe('');
expect(page.frames()[1].name()).toBe('theFrameId');
expect(page.frames()[2].name()).toBe('theFrameName');
});
it('should report frame.parent()', async({page, server}) => {
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
expect(page.frames()[0].parentFrame()).toBe(null);
expect(page.frames()[1].parentFrame()).toBe(page.mainFrame());
expect(page.frames()[2].parentFrame()).toBe(page.mainFrame());
});
it('should report different frame instance when frame re-attaches', async({page, server}) => {
const frame1 = await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
await page.evaluate(() => {
window.frame = document.querySelector('#frame1');
window.frame.remove();
});
expect(frame1.isDetached()).toBe(true);
const [frame2] = await Promise.all([
utils.waitEvent(page, 'frameattached'),
page.evaluate(() => document.body.appendChild(window.frame)),
]);
expect(frame2.isDetached()).toBe(false);
expect(frame1).not.toBe(frame2);
});
});
};