5a8046c994
refactor(extensions): remove unused InitWithBrowserContext method fix(extensions): release background page WebContents to avoid crash The background page WebContents instance is managed by the ExtensionHost. fix(extensions): open background page devtools detached by default test(extensions): add background page devtools test chore: test fix for null web_contents() fix: close background page devtools in test after opening
580 lines
26 KiB
TypeScript
580 lines
26 KiB
TypeScript
import { expect } from 'chai';
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import { app, session, BrowserWindow, ipcMain, WebContents, Extension } from 'electron/main';
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import { closeAllWindows, closeWindow } from './window-helpers';
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import * as http from 'http';
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import { AddressInfo } from 'net';
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import * as path from 'path';
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import * as fs from 'fs';
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import { emittedOnce, emittedNTimes } from './events-helpers';
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const fixtures = path.join(__dirname, 'fixtures');
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describe('chrome extensions', () => {
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const emptyPage = '<script>console.log("loaded")</script>';
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// NB. extensions are only allowed on http://, https:// and ftp:// (!) urls by default.
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let server: http.Server;
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let url: string;
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before(async () => {
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server = http.createServer((req, res) => {
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if (req.url === '/cors') {
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res.setHeader('Access-Control-Allow-Origin', 'http://example.com');
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}
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res.end(emptyPage);
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});
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await new Promise(resolve => server.listen(0, '127.0.0.1', () => {
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url = `http://127.0.0.1:${(server.address() as AddressInfo).port}`;
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resolve();
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}));
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});
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after(() => {
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server.close();
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});
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afterEach(closeAllWindows);
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afterEach(() => {
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session.defaultSession.getAllExtensions().forEach((e: any) => {
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session.defaultSession.removeExtension(e.id);
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});
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});
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it('does not crash when using chrome.management', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, sandbox: true } });
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w.loadURL('about:blank');
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await emittedOnce(w.webContents, 'dom-ready');
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'persistent-background-page'));
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const args: any = await emittedOnce(app, 'web-contents-created');
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const wc: Electron.WebContents = args[1];
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await expect(wc.executeJavaScript(`
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(() => {
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return new Promise((resolve) => {
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chrome.management.getSelf((info) => {
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resolve(info);
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});
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})
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})();
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`)).to.eventually.have.property('id');
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});
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it('can open WebSQLDatabase in a background page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, sandbox: true } });
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w.loadURL('about:blank');
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await emittedOnce(w.webContents, 'dom-ready');
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'persistent-background-page'));
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const args: any = await emittedOnce(app, 'web-contents-created');
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const wc: Electron.WebContents = args[1];
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await expect(wc.executeJavaScript('(()=>{try{openDatabase("t", "1.0", "test", 2e5);return true;}catch(e){throw e}})()')).to.not.be.rejected();
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});
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function fetch (contents: WebContents, url: string) {
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return contents.executeJavaScript(`fetch(${JSON.stringify(url)})`);
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}
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it('bypasses CORS in requests made from extensions', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, sandbox: true } });
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const extension = await customSession.loadExtension(path.join(fixtures, 'extensions', 'ui-page'));
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w.loadURL(`${extension.url}bare-page.html`);
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await emittedOnce(w.webContents, 'dom-ready');
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await expect(fetch(w.webContents, `${url}/cors`)).to.not.be.rejectedWith(TypeError);
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});
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it('loads an extension', async () => {
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// NB. we have to use a persist: session (i.e. non-OTR) because the
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// extension registry is redirected to the main session. so installing an
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// extension in an in-memory session results in it being installed in the
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// default session.
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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w.loadURL(url);
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await emittedOnce(w.webContents, 'dom-ready');
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('red');
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});
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it('serializes a loaded extension', async () => {
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const extensionPath = path.join(fixtures, 'extensions', 'red-bg');
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const manifest = JSON.parse(fs.readFileSync(path.join(extensionPath, 'manifest.json'), 'utf-8'));
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const extension = await customSession.loadExtension(extensionPath);
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expect(extension.id).to.be.a('string');
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expect(extension.name).to.be.a('string');
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expect(extension.path).to.be.a('string');
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expect(extension.version).to.be.a('string');
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expect(extension.url).to.be.a('string');
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expect(extension.manifest).to.deep.equal(manifest);
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});
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it('removes an extension', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const { id } = await customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'));
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{
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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await w.loadURL(url);
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('red');
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}
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customSession.removeExtension(id);
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{
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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await w.loadURL(url);
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('');
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}
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});
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it('lists loaded extensions in getAllExtensions', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const e = await customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'));
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expect(customSession.getAllExtensions()).to.deep.equal([e]);
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customSession.removeExtension(e.id);
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expect(customSession.getAllExtensions()).to.deep.equal([]);
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});
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it('gets an extension by id', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const e = await customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'));
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expect(customSession.getExtension(e.id)).to.deep.equal(e);
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});
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it('confines an extension to the session it was loaded in', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'));
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const w = new BrowserWindow({ show: false }); // not in the session
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w.loadURL(url);
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await emittedOnce(w.webContents, 'dom-ready');
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('');
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});
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it('loading an extension in a temporary session throws an error', async () => {
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const customSession = session.fromPartition(require('uuid').v4());
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await expect(customSession.loadExtension(path.join(fixtures, 'extensions', 'red-bg'))).to.eventually.be.rejectedWith('Extensions cannot be loaded in a temporary session');
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});
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describe('chrome.i18n', () => {
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let w: BrowserWindow;
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let extension: Extension;
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const exec = async (name: string) => {
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const p = emittedOnce(ipcMain, 'success');
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await w.webContents.executeJavaScript(`exec('${name}')`);
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const [, result] = await p;
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return result;
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};
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beforeEach(async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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extension = await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-i18n'));
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w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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w.loadURL(url);
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await emittedOnce(w.webContents, 'dom-ready');
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});
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it('getAcceptLanguages()', async () => {
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const result = await exec('getAcceptLanguages');
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expect(result).to.be.an('array').and.deep.equal(['en-US']);
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});
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it('getMessage()', async () => {
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const result = await exec('getMessage');
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expect(result.id).to.be.a('string').and.equal(extension.id);
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expect(result.name).to.be.a('string').and.equal('chrome-i18n');
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});
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});
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describe('chrome.runtime', () => {
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let content: any;
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before(async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-runtime'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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try {
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w.loadURL(url);
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await emittedOnce(w.webContents, 'dom-ready');
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content = JSON.parse(await w.webContents.executeJavaScript('document.documentElement.textContent'));
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expect(content).to.be.an('object');
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} finally {
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w.destroy();
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}
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});
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it('getManifest()', () => {
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expect(content.manifest).to.be.an('object').with.property('name', 'chrome-runtime');
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});
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it('id', () => {
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expect(content.id).to.be.a('string').with.lengthOf(32);
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});
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it('getURL()', () => {
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expect(content.url).to.be.a('string').and.match(/^chrome-extension:\/\/.*main.js$/);
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});
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});
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describe('chrome.storage', () => {
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it('stores and retrieves a key', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-storage'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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try {
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const p = emittedOnce(ipcMain, 'storage-success');
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await w.loadURL(url);
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const [, v] = await p;
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expect(v).to.equal('value');
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} finally {
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w.destroy();
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}
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});
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});
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describe('chrome.tabs', () => {
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it('executeScript', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-api'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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await w.loadURL(url);
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const message = { method: 'executeScript', args: ['1 + 2'] };
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w.webContents.executeJavaScript(`window.postMessage('${JSON.stringify(message)}', '*')`);
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const [,, responseString] = await emittedOnce(w.webContents, 'console-message');
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const response = JSON.parse(responseString);
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expect(response).to.equal(3);
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});
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it('connect', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-api'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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await w.loadURL(url);
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const portName = require('uuid').v4();
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const message = { method: 'connectTab', args: [portName] };
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w.webContents.executeJavaScript(`window.postMessage('${JSON.stringify(message)}', '*')`);
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const [,, responseString] = await emittedOnce(w.webContents, 'console-message');
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const response = responseString.split(',');
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expect(response[0]).to.equal(portName);
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expect(response[1]).to.equal('howdy');
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});
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it('sendMessage receives the response', async function () {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'chrome-api'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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await w.loadURL(url);
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const message = { method: 'sendMessage', args: ['Hello World!'] };
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w.webContents.executeJavaScript(`window.postMessage('${JSON.stringify(message)}', '*')`);
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const [,, responseString] = await emittedOnce(w.webContents, 'console-message');
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const response = JSON.parse(responseString);
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expect(response.message).to.equal('Hello World!');
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expect(response.tabId).to.equal(w.webContents.id);
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});
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});
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describe('background pages', () => {
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it('loads a lazy background page when sending a message', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'lazy-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession, nodeIntegration: true } });
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try {
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w.loadURL(url);
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const [, resp] = await emittedOnce(ipcMain, 'bg-page-message-response');
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expect(resp.message).to.deep.equal({ some: 'message' });
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expect(resp.sender.id).to.be.a('string');
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expect(resp.sender.origin).to.equal(url);
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expect(resp.sender.url).to.equal(url + '/');
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} finally {
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w.destroy();
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}
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});
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it('can use extension.getBackgroundPage from a ui page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const { id } = await customSession.loadExtension(path.join(fixtures, 'extensions', 'lazy-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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await w.loadURL(`chrome-extension://${id}/page-get-background.html`);
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const receivedMessage = await w.webContents.executeJavaScript('window.completionPromise');
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expect(receivedMessage).to.deep.equal({ some: 'message' });
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});
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it('can use extension.getBackgroundPage from a ui page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const { id } = await customSession.loadExtension(path.join(fixtures, 'extensions', 'lazy-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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await w.loadURL(`chrome-extension://${id}/page-get-background.html`);
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const receivedMessage = await w.webContents.executeJavaScript('window.completionPromise');
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expect(receivedMessage).to.deep.equal({ some: 'message' });
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});
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it('can use runtime.getBackgroundPage from a ui page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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const { id } = await customSession.loadExtension(path.join(fixtures, 'extensions', 'lazy-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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await w.loadURL(`chrome-extension://${id}/page-runtime-get-background.html`);
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const receivedMessage = await w.webContents.executeJavaScript('window.completionPromise');
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expect(receivedMessage).to.deep.equal({ some: 'message' });
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});
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it('has session in background page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'persistent-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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const promise = emittedOnce(app, 'web-contents-created');
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await w.loadURL('about:blank');
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const [, bgPageContents] = await promise;
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expect(bgPageContents.session).to.not.equal(undefined);
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});
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it('can open devtools of background page', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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await customSession.loadExtension(path.join(fixtures, 'extensions', 'persistent-background-page'));
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const w = new BrowserWindow({ show: false, webPreferences: { session: customSession } });
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const promise = emittedOnce(app, 'web-contents-created');
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await w.loadURL('about:blank');
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const [, bgPageContents] = await promise;
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expect(bgPageContents.getType()).to.equal('backgroundPage');
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bgPageContents.openDevTools();
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bgPageContents.closeDevTools();
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});
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});
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describe('devtools extensions', () => {
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let showPanelTimeoutId: any = null;
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afterEach(() => {
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if (showPanelTimeoutId) clearTimeout(showPanelTimeoutId);
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});
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const showLastDevToolsPanel = (w: BrowserWindow) => {
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w.webContents.once('devtools-opened', () => {
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const show = () => {
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if (w == null || w.isDestroyed()) return;
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const { devToolsWebContents } = w as unknown as { devToolsWebContents: WebContents | undefined };
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if (devToolsWebContents == null || devToolsWebContents.isDestroyed()) {
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return;
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}
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const showLastPanel = () => {
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// this is executed in the devtools context, where UI is a global
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const { UI } = (window as any);
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const lastPanelId = UI.inspectorView._tabbedPane._tabs.peekLast().id;
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UI.inspectorView.showPanel(lastPanelId);
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};
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devToolsWebContents.executeJavaScript(`(${showLastPanel})()`, false).then(() => {
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showPanelTimeoutId = setTimeout(show, 100);
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});
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};
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showPanelTimeoutId = setTimeout(show, 100);
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});
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};
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it('loads a devtools extension', async () => {
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const customSession = session.fromPartition(`persist:${require('uuid').v4()}`);
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customSession.loadExtension(path.join(fixtures, 'extensions', 'devtools-extension'));
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const winningMessage = emittedOnce(ipcMain, 'winning');
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const w = new BrowserWindow({ show: true, webPreferences: { session: customSession, nodeIntegration: true } });
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await w.loadURL(url);
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w.webContents.openDevTools();
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showLastDevToolsPanel(w);
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await winningMessage;
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});
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});
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describe('deprecation shims', () => {
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it('loads an extension through BrowserWindow.addExtension', async () => {
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BrowserWindow.addExtension(path.join(fixtures, 'extensions', 'red-bg'));
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const w = new BrowserWindow({ show: false });
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await w.loadURL(url);
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('red');
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});
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it('loads an extension through BrowserWindow.addDevToolsExtension', async () => {
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BrowserWindow.addDevToolsExtension(path.join(fixtures, 'extensions', 'red-bg'));
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const w = new BrowserWindow({ show: false });
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await w.loadURL(url);
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('red');
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});
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it('removes an extension through BrowserWindow.removeExtension', async () => {
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await (BrowserWindow.addExtension(path.join(fixtures, 'extensions', 'red-bg')) as any);
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BrowserWindow.removeExtension('red-bg');
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const w = new BrowserWindow({ show: false });
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await w.loadURL(url);
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const bg = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
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expect(bg).to.equal('');
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});
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});
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describe('chrome extension content scripts', () => {
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const fixtures = path.resolve(__dirname, 'fixtures');
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const extensionPath = path.resolve(fixtures, 'extensions');
|
|
|
|
const addExtension = (name: string) => session.defaultSession.loadExtension(path.resolve(extensionPath, name));
|
|
const removeAllExtensions = () => {
|
|
Object.keys(session.defaultSession.getAllExtensions()).map(extName => {
|
|
session.defaultSession.removeExtension(extName);
|
|
});
|
|
};
|
|
|
|
let responseIdCounter = 0;
|
|
const executeJavaScriptInFrame = (webContents: WebContents, frameRoutingId: number, code: string) => {
|
|
return new Promise(resolve => {
|
|
const responseId = responseIdCounter++;
|
|
ipcMain.once(`executeJavaScriptInFrame_${responseId}`, (event, result) => {
|
|
resolve(result);
|
|
});
|
|
webContents.send('executeJavaScriptInFrame', frameRoutingId, code, responseId);
|
|
});
|
|
};
|
|
|
|
const generateTests = (sandboxEnabled: boolean, contextIsolationEnabled: boolean) => {
|
|
describe(`with sandbox ${sandboxEnabled ? 'enabled' : 'disabled'} and context isolation ${contextIsolationEnabled ? 'enabled' : 'disabled'}`, () => {
|
|
let w: BrowserWindow;
|
|
|
|
describe('supports "run_at" option', () => {
|
|
beforeEach(async () => {
|
|
await closeWindow(w);
|
|
w = new BrowserWindow({
|
|
show: false,
|
|
width: 400,
|
|
height: 400,
|
|
webPreferences: {
|
|
contextIsolation: contextIsolationEnabled,
|
|
sandbox: sandboxEnabled
|
|
}
|
|
});
|
|
});
|
|
|
|
afterEach(() => {
|
|
removeAllExtensions();
|
|
return closeWindow(w).then(() => { w = null as unknown as BrowserWindow; });
|
|
});
|
|
|
|
it('should run content script at document_start', async () => {
|
|
await addExtension('content-script-document-start');
|
|
w.webContents.once('dom-ready', async () => {
|
|
const result = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
|
|
expect(result).to.equal('red');
|
|
});
|
|
w.loadURL(url);
|
|
});
|
|
|
|
it('should run content script at document_idle', async () => {
|
|
await addExtension('content-script-document-idle');
|
|
w.loadURL(url);
|
|
const result = await w.webContents.executeJavaScript('document.body.style.backgroundColor');
|
|
expect(result).to.equal('red');
|
|
});
|
|
|
|
it('should run content script at document_end', async () => {
|
|
await addExtension('content-script-document-end');
|
|
w.webContents.once('did-finish-load', async () => {
|
|
const result = await w.webContents.executeJavaScript('document.documentElement.style.backgroundColor');
|
|
expect(result).to.equal('red');
|
|
});
|
|
w.loadURL(url);
|
|
});
|
|
});
|
|
|
|
// TODO(nornagon): real extensions don't load on file: urls, so this
|
|
// test needs to be updated to serve its content over http.
|
|
describe.skip('supports "all_frames" option', () => {
|
|
const contentScript = path.resolve(fixtures, 'extensions/content-script');
|
|
|
|
// Computed style values
|
|
const COLOR_RED = 'rgb(255, 0, 0)';
|
|
const COLOR_BLUE = 'rgb(0, 0, 255)';
|
|
const COLOR_TRANSPARENT = 'rgba(0, 0, 0, 0)';
|
|
|
|
before(() => {
|
|
BrowserWindow.addExtension(contentScript);
|
|
});
|
|
|
|
after(() => {
|
|
BrowserWindow.removeExtension('content-script-test');
|
|
});
|
|
|
|
beforeEach(() => {
|
|
w = new BrowserWindow({
|
|
show: false,
|
|
webPreferences: {
|
|
// enable content script injection in subframes
|
|
nodeIntegrationInSubFrames: true,
|
|
preload: path.join(contentScript, 'all_frames-preload.js')
|
|
}
|
|
});
|
|
});
|
|
|
|
afterEach(() =>
|
|
closeWindow(w).then(() => {
|
|
w = null as unknown as BrowserWindow;
|
|
})
|
|
);
|
|
|
|
it('applies matching rules in subframes', async () => {
|
|
const detailsPromise = emittedNTimes(w.webContents, 'did-frame-finish-load', 2);
|
|
w.loadFile(path.join(contentScript, 'frame-with-frame.html'));
|
|
const frameEvents = await detailsPromise;
|
|
await Promise.all(
|
|
frameEvents.map(async frameEvent => {
|
|
const [, isMainFrame, , frameRoutingId] = frameEvent;
|
|
const result: any = await executeJavaScriptInFrame(
|
|
w.webContents,
|
|
frameRoutingId,
|
|
`(() => {
|
|
const a = document.getElementById('all_frames_enabled')
|
|
const b = document.getElementById('all_frames_disabled')
|
|
return {
|
|
enabledColor: getComputedStyle(a).backgroundColor,
|
|
disabledColor: getComputedStyle(b).backgroundColor
|
|
}
|
|
})()`
|
|
);
|
|
expect(result.enabledColor).to.equal(COLOR_RED);
|
|
if (isMainFrame) {
|
|
expect(result.disabledColor).to.equal(COLOR_BLUE);
|
|
} else {
|
|
expect(result.disabledColor).to.equal(COLOR_TRANSPARENT); // null color
|
|
}
|
|
})
|
|
);
|
|
});
|
|
});
|
|
});
|
|
};
|
|
|
|
generateTests(false, false);
|
|
generateTests(false, true);
|
|
generateTests(true, false);
|
|
generateTests(true, true);
|
|
});
|
|
|
|
describe('extension ui pages', () => {
|
|
afterEach(() => {
|
|
session.defaultSession.getAllExtensions().forEach(e => {
|
|
session.defaultSession.removeExtension(e.id);
|
|
});
|
|
});
|
|
|
|
it('loads a ui page of an extension', async () => {
|
|
const { id } = await session.defaultSession.loadExtension(path.join(fixtures, 'extensions', 'ui-page'));
|
|
const w = new BrowserWindow({ show: false });
|
|
w.loadURL(`chrome-extension://${id}/bare-page.html`);
|
|
await emittedOnce(w.webContents, 'dom-ready');
|
|
const textContent = await w.webContents.executeJavaScript('document.body.textContent');
|
|
expect(textContent).to.equal('ui page loaded ok\n');
|
|
});
|
|
|
|
it('can load resources', async () => {
|
|
const { id } = await session.defaultSession.loadExtension(path.join(fixtures, 'extensions', 'ui-page'));
|
|
const w = new BrowserWindow({ show: false });
|
|
w.loadURL(`chrome-extension://${id}/page-script-load.html`);
|
|
await emittedOnce(w.webContents, 'dom-ready');
|
|
const textContent = await w.webContents.executeJavaScript('document.body.textContent');
|
|
expect(textContent).to.equal('script loaded ok\n');
|
|
});
|
|
});
|
|
});
|