electron/spec-main/api-web-frame-main-spec.ts

215 lines
8.4 KiB
TypeScript

import { expect } from 'chai';
import * as http from 'http';
import * as path from 'path';
import * as url from 'url';
import { BrowserWindow, WebFrameMain, webFrameMain } from 'electron/main';
import { closeAllWindows } from './window-helpers';
import { emittedOnce, emittedNTimes } from './events-helpers';
import { AddressInfo } from 'net';
describe('webFrameMain module', () => {
const fixtures = path.resolve(__dirname, '..', 'spec-main', 'fixtures');
const subframesPath = path.join(fixtures, 'sub-frames');
const fileUrl = (filename: string) => url.pathToFileURL(path.join(subframesPath, filename)).href;
afterEach(closeAllWindows);
describe('WebFrame traversal APIs', () => {
let w: BrowserWindow;
let webFrame: WebFrameMain;
beforeEach(async () => {
w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
webFrame = w.webContents.mainFrame;
});
it('can access top frame', () => {
expect(webFrame.top).to.equal(webFrame);
});
it('has no parent on top frame', () => {
expect(webFrame.parent).to.be.null();
});
it('can access immediate frame descendents', () => {
const { frames } = webFrame;
expect(frames).to.have.lengthOf(1);
const subframe = frames[0];
expect(subframe).not.to.equal(webFrame);
expect(subframe.parent).to.equal(webFrame);
});
it('can access deeply nested frames', () => {
const subframe = webFrame.frames[0];
expect(subframe).not.to.equal(webFrame);
expect(subframe.parent).to.equal(webFrame);
const nestedSubframe = subframe.frames[0];
expect(nestedSubframe).not.to.equal(webFrame);
expect(nestedSubframe).not.to.equal(subframe);
expect(nestedSubframe.parent).to.equal(subframe);
});
it('can traverse all frames in root', () => {
const urls = webFrame.framesInSubtree.map(frame => frame.url);
expect(urls).to.deep.equal([
fileUrl('frame-with-frame-container.html'),
fileUrl('frame-with-frame.html'),
fileUrl('frame.html')
]);
});
it('can traverse all frames in subtree', () => {
const urls = webFrame.frames[0].framesInSubtree.map(frame => frame.url);
expect(urls).to.deep.equal([
fileUrl('frame-with-frame.html'),
fileUrl('frame.html')
]);
});
describe('cross-origin', () => {
type Server = { server: http.Server, url: string }
/** Creates an HTTP server whose handler embeds the given iframe src. */
const createServer = () => new Promise<Server>(resolve => {
const server = http.createServer((req, res) => {
const params = new URLSearchParams(url.parse(req.url || '').search || '');
if (params.has('frameSrc')) {
res.end(`<iframe src="${params.get('frameSrc')}"></iframe>`);
} else {
res.end('');
}
});
server.listen(0, '127.0.0.1', () => {
const url = `http://127.0.0.1:${(server.address() as AddressInfo).port}/`;
resolve({ server, url });
});
});
let serverA = null as unknown as Server;
let serverB = null as unknown as Server;
before(async () => {
serverA = await createServer();
serverB = await createServer();
});
after(() => {
serverA.server.close();
serverB.server.close();
});
it('can access cross-origin frames', async () => {
await w.loadURL(`${serverA.url}?frameSrc=${serverB.url}`);
webFrame = w.webContents.mainFrame;
expect(webFrame.url.startsWith(serverA.url)).to.be.true();
expect(webFrame.frames[0].url).to.equal(serverB.url);
});
});
});
describe('WebFrame.url', () => {
it('should report correct address for each subframe', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
const webFrame = w.webContents.mainFrame;
expect(webFrame.url).to.equal(fileUrl('frame-with-frame-container.html'));
expect(webFrame.frames[0].url).to.equal(fileUrl('frame-with-frame.html'));
expect(webFrame.frames[0].frames[0].url).to.equal(fileUrl('frame.html'));
});
});
describe('WebFrame IDs', () => {
it('has properties for various identifiers', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame.html'));
const webFrame = w.webContents.mainFrame;
expect(webFrame).to.haveOwnProperty('frameTreeNodeId');
expect(webFrame).to.haveOwnProperty('name');
expect(webFrame).to.haveOwnProperty('osProcessId');
expect(webFrame).to.haveOwnProperty('processId');
expect(webFrame).to.haveOwnProperty('routingId');
});
});
describe('WebFrame.executeJavaScript', () => {
it('can inject code into any subframe', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
const webFrame = w.webContents.mainFrame;
const getUrl = (frame: WebFrameMain) => frame.executeJavaScript('location.href');
expect(await getUrl(webFrame)).to.equal(fileUrl('frame-with-frame-container.html'));
expect(await getUrl(webFrame.frames[0])).to.equal(fileUrl('frame-with-frame.html'));
expect(await getUrl(webFrame.frames[0].frames[0])).to.equal(fileUrl('frame.html'));
});
});
describe('WebFrame.executeJavaScriptInIsolatedWorld', () => {
it('can inject code into any subframe', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
const webFrame = w.webContents.mainFrame;
const getUrl = (frame: WebFrameMain) => frame.executeJavaScriptInIsolatedWorld(999, 'location.href');
expect(await getUrl(webFrame)).to.equal(fileUrl('frame-with-frame-container.html'));
expect(await getUrl(webFrame.frames[0])).to.equal(fileUrl('frame-with-frame.html'));
expect(await getUrl(webFrame.frames[0].frames[0])).to.equal(fileUrl('frame.html'));
});
});
describe('WebFrame.reload', () => {
it('reloads a frame', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame.html'));
const webFrame = w.webContents.mainFrame;
await webFrame.executeJavaScript('window.TEMP = 1', false);
expect(webFrame.reload()).to.be.true();
await emittedOnce(w.webContents, 'dom-ready');
expect(await webFrame.executeJavaScript('window.TEMP', false)).to.be.null();
});
});
describe('disposed WebFrames', () => {
let w: BrowserWindow;
let webFrame: WebFrameMain;
before(async () => {
w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
await w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
webFrame = w.webContents.mainFrame;
w.destroy();
// Wait for WebContents, and thus RenderFrameHost, to be destroyed.
await new Promise(resolve => setTimeout(resolve, 0));
});
it('throws upon accessing properties', () => {
expect(() => webFrame.url).to.throw();
});
});
describe('webFrameMain.fromId', () => {
it('returns undefined for unknown IDs', () => {
expect(webFrameMain.fromId(0, 0)).to.be.undefined();
});
it('can find each frame from navigation events', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true } });
// frame-with-frame-container.html, frame-with-frame.html, frame.html
const didFrameFinishLoad = emittedNTimes(w.webContents, 'did-frame-finish-load', 3);
w.loadFile(path.join(subframesPath, 'frame-with-frame-container.html'));
for (const [, isMainFrame, frameProcessId, frameRoutingId] of await didFrameFinishLoad) {
const frame = webFrameMain.fromId(frameProcessId, frameRoutingId);
expect(frame).not.to.be.null();
expect(frame?.processId).to.be.equal(frameProcessId);
expect(frame?.routingId).to.be.equal(frameRoutingId);
expect(frame?.top === frame).to.be.equal(isMainFrame);
}
});
});
});