311 lines
12 KiB
TypeScript
311 lines
12 KiB
TypeScript
import { expect } from 'chai';
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import * as http from 'http';
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import * as path from 'path';
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import * as url from 'url';
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import { BrowserWindow, WebFrameMain, webFrameMain, ipcMain } from 'electron/main';
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import { closeAllWindows } from './window-helpers';
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import { emittedOnce, emittedNTimes } from './events-helpers';
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import { AddressInfo } from 'net';
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import { waitUntil } from './spec-helpers';
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describe('webFrameMain module', () => {
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const fixtures = path.resolve(__dirname, '..', 'spec-main', 'fixtures');
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const subframesPath = path.join(fixtures, 'sub-frames');
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const fileUrl = (filename: string) => url.pathToFileURL(path.join(subframesPath, filename)).href;
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type Server = { server: http.Server, url: string }
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/** Creates an HTTP server whose handler embeds the given iframe src. */
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const createServer = () => new Promise<Server>(resolve => {
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const server = http.createServer((req, res) => {
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const params = new URLSearchParams(url.parse(req.url || '').search || '');
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if (params.has('frameSrc')) {
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res.end(`<iframe src="${params.get('frameSrc')}"></iframe>`);
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} else {
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res.end('');
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}
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});
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server.listen(0, '127.0.0.1', () => {
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const url = `http://127.0.0.1:${(server.address() as AddressInfo).port}/`;
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resolve({ server, url });
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});
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});
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afterEach(closeAllWindows);
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describe('WebFrame traversal APIs', () => {
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let w: BrowserWindow;
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let webFrame: WebFrameMain;
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beforeEach(async () => {
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w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
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webFrame = w.webContents.mainFrame;
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});
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it('can access top frame', () => {
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expect(webFrame.top).to.equal(webFrame);
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});
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it('has no parent on top frame', () => {
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expect(webFrame.parent).to.be.null();
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});
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it('can access immediate frame descendents', () => {
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const { frames } = webFrame;
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expect(frames).to.have.lengthOf(1);
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const subframe = frames[0];
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expect(subframe).not.to.equal(webFrame);
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expect(subframe.parent).to.equal(webFrame);
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});
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it('can access deeply nested frames', () => {
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const subframe = webFrame.frames[0];
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expect(subframe).not.to.equal(webFrame);
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expect(subframe.parent).to.equal(webFrame);
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const nestedSubframe = subframe.frames[0];
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expect(nestedSubframe).not.to.equal(webFrame);
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expect(nestedSubframe).not.to.equal(subframe);
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expect(nestedSubframe.parent).to.equal(subframe);
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});
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it('can traverse all frames in root', () => {
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const urls = webFrame.framesInSubtree.map(frame => frame.url);
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expect(urls).to.deep.equal([
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fileUrl('frame-with-frame-container.html'),
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fileUrl('frame-with-frame.html'),
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fileUrl('frame.html')
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]);
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});
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it('can traverse all frames in subtree', () => {
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const urls = webFrame.frames[0].framesInSubtree.map(frame => frame.url);
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expect(urls).to.deep.equal([
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fileUrl('frame-with-frame.html'),
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fileUrl('frame.html')
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]);
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});
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describe('cross-origin', () => {
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let serverA = null as unknown as Server;
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let serverB = null as unknown as Server;
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before(async () => {
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serverA = await createServer();
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serverB = await createServer();
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});
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after(() => {
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serverA.server.close();
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serverB.server.close();
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});
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it('can access cross-origin frames', async () => {
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await w.loadURL(`${serverA.url}?frameSrc=${serverB.url}`);
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webFrame = w.webContents.mainFrame;
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expect(webFrame.url.startsWith(serverA.url)).to.be.true();
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expect(webFrame.frames[0].url).to.equal(serverB.url);
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});
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});
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});
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describe('WebFrame.url', () => {
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it('should report correct address for each subframe', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
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const webFrame = w.webContents.mainFrame;
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expect(webFrame.url).to.equal(fileUrl('frame-with-frame-container.html'));
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expect(webFrame.frames[0].url).to.equal(fileUrl('frame-with-frame.html'));
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expect(webFrame.frames[0].frames[0].url).to.equal(fileUrl('frame.html'));
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});
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});
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describe('WebFrame IDs', () => {
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it('has properties for various identifiers', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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await w.loadFile(path.join(subframesPath, 'frame.html'));
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const webFrame = w.webContents.mainFrame;
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expect(webFrame).to.have.ownProperty('url').that.is.a('string');
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expect(webFrame).to.have.ownProperty('frameTreeNodeId').that.is.a('number');
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expect(webFrame).to.have.ownProperty('name').that.is.a('string');
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expect(webFrame).to.have.ownProperty('osProcessId').that.is.a('number');
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expect(webFrame).to.have.ownProperty('processId').that.is.a('number');
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expect(webFrame).to.have.ownProperty('routingId').that.is.a('number');
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});
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});
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describe('WebFrame.visibilityState', () => {
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it('should match window state', async () => {
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const w = new BrowserWindow({ show: true });
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await w.loadURL('about:blank');
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const webFrame = w.webContents.mainFrame;
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expect(webFrame.visibilityState).to.equal('visible');
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w.hide();
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await expect(
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waitUntil(() => webFrame.visibilityState === 'hidden')
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).to.eventually.be.fulfilled();
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});
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});
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describe('WebFrame.executeJavaScript', () => {
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it('can inject code into any subframe', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
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const webFrame = w.webContents.mainFrame;
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const getUrl = (frame: WebFrameMain) => frame.executeJavaScript('location.href');
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expect(await getUrl(webFrame)).to.equal(fileUrl('frame-with-frame-container.html'));
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expect(await getUrl(webFrame.frames[0])).to.equal(fileUrl('frame-with-frame.html'));
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expect(await getUrl(webFrame.frames[0].frames[0])).to.equal(fileUrl('frame.html'));
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});
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});
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describe('WebFrame.reload', () => {
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it('reloads a frame', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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await w.loadFile(path.join(subframesPath, 'frame.html'));
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const webFrame = w.webContents.mainFrame;
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await webFrame.executeJavaScript('window.TEMP = 1', false);
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expect(webFrame.reload()).to.be.true();
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await emittedOnce(w.webContents, 'dom-ready');
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expect(await webFrame.executeJavaScript('window.TEMP', false)).to.be.null();
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});
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});
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describe('WebFrame.send', () => {
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it('works', async () => {
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const w = new BrowserWindow({
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show: false,
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webPreferences: {
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preload: path.join(subframesPath, 'preload.js'),
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nodeIntegrationInSubFrames: true
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}
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});
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await w.loadURL('about:blank');
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const webFrame = w.webContents.mainFrame;
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const pongPromise = emittedOnce(ipcMain, 'preload-pong');
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webFrame.send('preload-ping');
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const [, routingId] = await pongPromise;
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expect(routingId).to.equal(webFrame.routingId);
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});
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});
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describe('RenderFrame lifespan', () => {
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let w: BrowserWindow;
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beforeEach(async () => {
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w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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});
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it('throws upon accessing properties when disposed', async () => {
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await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
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const { mainFrame } = w.webContents;
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w.destroy();
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// Wait for WebContents, and thus RenderFrameHost, to be destroyed.
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await new Promise(resolve => setTimeout(resolve, 0));
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expect(() => mainFrame.url).to.throw();
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});
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it('persists through cross-origin navigation', async () => {
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const server = await createServer();
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// 'localhost' is treated as a separate origin.
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const crossOriginUrl = server.url.replace('127.0.0.1', 'localhost');
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await w.loadURL(server.url);
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const { mainFrame } = w.webContents;
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expect(mainFrame.url).to.equal(server.url);
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await w.loadURL(crossOriginUrl);
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expect(w.webContents.mainFrame).to.equal(mainFrame);
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expect(mainFrame.url).to.equal(crossOriginUrl);
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});
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});
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describe('webFrameMain.fromId', () => {
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it('returns undefined for unknown IDs', () => {
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expect(webFrameMain.fromId(0, 0)).to.be.undefined();
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});
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it('can find each frame from navigation events', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
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// frame-with-frame-container.html, frame-with-frame.html, frame.html
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const didFrameFinishLoad = emittedNTimes(w.webContents, 'did-frame-finish-load', 3);
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w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
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for (const [, isMainFrame, frameProcessId, frameRoutingId] of await didFrameFinishLoad) {
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const frame = webFrameMain.fromId(frameProcessId, frameRoutingId);
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expect(frame).not.to.be.null();
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expect(frame?.processId).to.be.equal(frameProcessId);
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expect(frame?.routingId).to.be.equal(frameRoutingId);
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expect(frame?.top === frame).to.be.equal(isMainFrame);
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}
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});
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});
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describe('"frame-created" event', () => {
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it('emits when the main frame is created', async () => {
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const w = new BrowserWindow({ show: false });
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const promise = emittedOnce(w.webContents, 'frame-created');
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w.webContents.loadFile(path.join(subframesPath, 'frame.html'));
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const [, details] = await promise;
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expect(details.frame).to.equal(w.webContents.mainFrame);
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});
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it('emits when nested frames are created', async () => {
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const w = new BrowserWindow({ show: false });
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const promise = emittedNTimes(w.webContents, 'frame-created', 2);
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w.webContents.loadFile(path.join(subframesPath, 'frame-container.html'));
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const [[, mainDetails], [, nestedDetails]] = await promise;
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expect(mainDetails.frame).to.equal(w.webContents.mainFrame);
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expect(nestedDetails.frame).to.equal(w.webContents.mainFrame.frames[0]);
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});
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it('is not emitted upon cross-origin navigation', async () => {
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const server = await createServer();
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// HACK: Use 'localhost' instead of '127.0.0.1' so Chromium treats it as
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// a separate origin because differing ports aren't enough 🤔
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const secondUrl = `http://localhost:${new URL(server.url).port}`;
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const w = new BrowserWindow({ show: false });
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await w.webContents.loadURL(server.url);
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let frameCreatedEmitted = false;
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w.webContents.once('frame-created', () => {
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frameCreatedEmitted = true;
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});
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await w.webContents.loadURL(secondUrl);
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expect(frameCreatedEmitted).to.be.false();
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});
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});
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describe('"dom-ready" event', () => {
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it('emits for top-level frame', async () => {
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const w = new BrowserWindow({ show: false });
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const promise = emittedOnce(w.webContents.mainFrame, 'dom-ready');
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w.webContents.loadURL('about:blank');
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await promise;
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});
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it('emits for sub frame', async () => {
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const w = new BrowserWindow({ show: false });
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const promise = new Promise<void>(resolve => {
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w.webContents.on('frame-created', (e, { frame }) => {
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frame.on('dom-ready', () => {
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if (frame.name === 'frameA') {
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resolve();
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}
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});
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});
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});
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w.webContents.loadFile(path.join(subframesPath, 'frame-with-frame.html'));
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await promise;
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});
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});
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});
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