playwright/test/chromium/launcher.spec.js

/**
 * Copyright 2019 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 path = require('path');
const utils = require('../utils');
const {makeUserDataDir, removeUserDataDir} = utils;
const {FFOX, CHROMIUM, WEBKIT, WIN} = utils.testOptions(browserType);

describe('launcher', function() {
  it('should throw with remote-debugging-pipe argument', async({browserType, defaultBrowserOptions}) => {
    const options = Object.assign({}, defaultBrowserOptions);
    options.args = ['--remote-debugging-pipe'].concat(options.args || []);
    const error = await browserType.launchServer(options).catch(e => e);
    expect(error.message).toContain('Playwright manages remote debugging connection itself');
  });
  it('should not throw with remote-debugging-port argument', async({browserType, defaultBrowserOptions}) => {
    const options = Object.assign({}, defaultBrowserOptions);
    options.args = ['--remote-debugging-port=0'].concat(options.args || []);
    const browser = await browserType.launchServer(options);
    await browser.close();
  });
  it('should open devtools when "devtools: true" option is given', async({browserType, defaultBrowserOptions}) => {
    let devtoolsCallback;
    const devtoolsPromise = new Promise(f => devtoolsCallback = f);
    const __testHookForDevTools = devtools => devtools.__testHookOnBinding = parsed => {
      if (parsed.method === 'getPreferences')
        devtoolsCallback();
    };
    const browser = await browserType.launch({...defaultBrowserOptions, headless: false, devtools: true, __testHookForDevTools});
    const context = await browser.newContext();
    await Promise.all([
      devtoolsPromise,
      context.newPage()
    ]);
    await browser.close();
  });
});

describe('extensions', () => {
  it('should return background pages', async({browserType, defaultBrowserOptions}) => {
    const userDataDir = await makeUserDataDir();
    const extensionPath = path.join(__dirname, '..', 'assets', 'simple-extension');
    const extensionOptions = {...defaultBrowserOptions,
      headless: false,
      args: [
        `--disable-extensions-except=${extensionPath}`,
        `--load-extension=${extensionPath}`,
      ],
    };
    const context = await browserType.launchPersistentContext(userDataDir, extensionOptions);
    const backgroundPages = context.backgroundPages();
    let backgroundPage = backgroundPages.length
        ? backgroundPages[0]
        : await context.waitForEvent('backgroundpage');
    expect(backgroundPage).toBeTruthy();
    expect(context.backgroundPages()).toContain(backgroundPage);
    expect(context.pages()).not.toContain(backgroundPage);
    await context.close();
    await removeUserDataDir(userDataDir);
  });
});

describe('BrowserContext', function() {
  it('should not create pages automatically', async ({browserType, defaultBrowserOptions}) => {
    const browser = await browserType.launch(defaultBrowserOptions);
    const browserSession = await browser.newBrowserCDPSession();
    const targets = [];
    browserSession.on('Target.targetCreated', async ({targetInfo}) => {
      if (targetInfo.type !== 'browser')
          targets.push(targetInfo);
    });
    await browserSession.send('Target.setDiscoverTargets', { discover: true });
    await browser.newContext();
    await browser.close();
    expect(targets.length).toBe(0);
  });
});