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path: root/packages/main/src/infrastructure/electron/impl/__tests__/lockWebContentsToFile.spec.ts
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/*
 * Copyright (C)  2022 Kristóf Marussy <kristof@marussy.com>
 *
 * This file is part of Sophie.
 *
 * Sophie is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

import { URL } from 'node:url';

import { jest } from '@jest/globals';
import { fake } from '@sophie/test-utils';
import type { Event, HandlerDetails, WebContents } from 'electron';
import { mocked } from 'jest-mock';

import { silenceLogger } from '../../../../utils/log';
import type Resources from '../../../resources/Resources';
import lockWebContentsToFile from '../lockWebContentsToFile';

type WillNavigateHandler = (event: Event, url: string) => void;

let willNavigate: WillNavigateHandler | undefined;

let windowOpenHandler:
  | ((details: HandlerDetails) => { action: 'allow' | 'deny' })
  | undefined;

const urlToLoad =
  'file:///opt/sophie/resources/app.asar/packages/renderer/dist/index.html';

const fakeResources = fake<Resources>({
  getRendererURL(path: string) {
    return new URL(
      path,
      'file:///opt/sophie/resources/app.asar/packages/renderer/dist/',
    ).toString();
  },
});

const fakeWebContents = fake<WebContents>({
  setWindowOpenHandler(handler) {
    windowOpenHandler = handler;
  },
  on(event, listener) {
    if (event === 'will-navigate') {
      willNavigate = listener as WillNavigateHandler;
    }
    return this as WebContents;
  },
  loadURL: jest.fn(),
});

const event: Event = {
  preventDefault: jest.fn(),
};

beforeAll(() => {
  silenceLogger();
});

beforeEach(async () => {
  windowOpenHandler = undefined;
  willNavigate = undefined;
  mocked(fakeWebContents.loadURL).mockResolvedValueOnce();
  await lockWebContentsToFile(fakeResources, 'index.html', fakeWebContents);
});

it('should load the specified file', () => {
  expect(fakeWebContents.loadURL).toHaveBeenCalledWith(urlToLoad);
});

it('should set up will navigate and window open listeners', () => {
  expect(willNavigate).toBeDefined();
  expect(windowOpenHandler).toBeDefined();
});

it('should prevent opening a window', () => {
  const { action } = windowOpenHandler!({
    url: 'https://example.com',
    frameName: 'newWindow',
    features: '',
    disposition: 'default',
    referrer: {
      url: urlToLoad,
      policy: 'default',
    },
  });
  expect(action).toBe('deny');
});

it('should allow navigation to the loaded URL', () => {
  willNavigate!(event, urlToLoad);
  expect(event.preventDefault).not.toHaveBeenCalled();
});

it('should not allow navigation to another URL', () => {
  willNavigate!(
    event,
    'file:///opt/sophie/resources/app.asar/packages/renderer/not-allowed.html',
  );
  expect(event.preventDefault).toHaveBeenCalled();
});