playwright/test/page-basic.spec.js

/**
 * Copyright 2017 Google Inc. All rights reserved.
 * Modifications copyright (c) Microsoft Corporation.
 *
 * 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 util = require('util');
const vm = require('vm');
const {FFOX, CHROMIUM, WEBKIT, WIN, USES_HOOKS, CHANNEL} = testOptions;

it('should reject all promises when page is closed', async({context}) => {
  const newPage = await context.newPage();
  let error = null;
  await Promise.all([
    newPage.evaluate(() => new Promise(r => {})).catch(e => error = e),
    newPage.close(),
  ]);
  expect(error.message).toContain('Protocol error');
});

it('should not be visible in context.pages', async({context}) => {
  const newPage = await context.newPage();
  expect(context.pages()).toContain(newPage);
  await newPage.close();
  expect(context.pages()).not.toContain(newPage);
});

it('should run beforeunload if asked for', async({context, server}) => {
  const newPage = await context.newPage();
  await newPage.goto(server.PREFIX + '/beforeunload.html');
  // We have to interact with a page so that 'beforeunload' handlers
  // fire.
  await newPage.click('body');
  const pageClosingPromise = newPage.close({ runBeforeUnload: true });
  const dialog = await newPage.waitForEvent('dialog');
  expect(dialog.type()).toBe('beforeunload');
  expect(dialog.defaultValue()).toBe('');
  if (CHROMIUM)
    expect(dialog.message()).toBe('');
  else if (WEBKIT)
    expect(dialog.message()).toBe('Leave?');
  else
    expect(dialog.message()).toBe('This page is asking you to confirm that you want to leave - data you have entered may not be saved.');
  await dialog.accept();
  await pageClosingPromise;
});

it('should *not* run beforeunload by default', async({context, server}) => {
  const newPage = await context.newPage();
  await newPage.goto(server.PREFIX + '/beforeunload.html');
  // We have to interact with a page so that 'beforeunload' handlers
  // fire.
  await newPage.click('body');
  await newPage.close();
});

it('should set the page close state', async({context}) => {
  const newPage = await context.newPage();
  expect(newPage.isClosed()).toBe(false);
  await newPage.close();
  expect(newPage.isClosed()).toBe(true);
});

it('should terminate network waiters', async({context, server}) => {
  const newPage = await context.newPage();
  const results = await Promise.all([
    newPage.waitForRequest(server.EMPTY_PAGE).catch(e => e),
    newPage.waitForResponse(server.EMPTY_PAGE).catch(e => e),
    newPage.close()
  ]);
  for (let i = 0; i < 2; i++) {
    const message = results[i].message;
    expect(message).toContain('Page closed');
    expect(message).not.toContain('Timeout');
  }
});

it('should be callable twice', async({context}) => {
  const newPage = await context.newPage();
  await Promise.all([
    newPage.close(),
    newPage.close(),
  ]);
  await newPage.close();
});

it('should fire load when expected', async({page, server}) => {
  await Promise.all([
    page.goto('about:blank'),
    page.waitForEvent('load'),
  ]);
});

it('async stacks should work', async({page, server}) => {
  server.setRoute('/empty.html', (req, res) => {
    req.socket.end();
  });
  let error = null;
  await page.goto(server.EMPTY_PAGE).catch(e => error = e);
  expect(error).not.toBe(null);
  expect(error.stack).toContain(__filename);
});

it('should provide access to the opener page', async({page}) => {
  const [popup] = await Promise.all([
    page.waitForEvent('popup'),
    page.evaluate(() => window.open('about:blank')),
  ]);
  const opener = await popup.opener();
  expect(opener).toBe(page);
});

it('should return null if parent page has been closed', async({page}) => {
  const [popup] = await Promise.all([
    page.waitForEvent('popup'),
    page.evaluate(() => window.open('about:blank')),
  ]);
  await page.close();
  const opener = await popup.opener();
  expect(opener).toBe(null);
});

it('should fire domcontentloaded when expected', async({page, server}) => {
  const navigatedPromise = page.goto('about:blank');
  await page.waitForEvent('domcontentloaded');
  await navigatedPromise;
});

it('should fail with error upon disconnect', async({page, server}) => {
  let error;
  const waitForPromise = page.waitForEvent('download').catch(e => error = e);
  await page.close();
  await waitForPromise;
  expect(error.message).toContain('Page closed');
});

it('page.ur should work', async({page, server}) => {
  expect(page.url()).toBe('about:blank');
  await page.goto(server.EMPTY_PAGE);
  expect(page.url()).toBe(server.EMPTY_PAGE);
});

it('page.url should include hashes', async({page, server}) => {
  await page.goto(server.EMPTY_PAGE + '#hash');
  expect(page.url()).toBe(server.EMPTY_PAGE + '#hash');
  await page.evaluate(() => {
    window.location.hash = "dynamic";
  });
  expect(page.url()).toBe(server.EMPTY_PAGE + '#dynamic');
});

it('page.title should return the page title', async({page, server}) => {
  await page.goto(server.PREFIX + '/title.html');
  expect(await page.title()).toBe('Woof-Woof');
});

it('page.close should work with window.close', async function({ page, context, server }) {
  const newPagePromise = page.waitForEvent('popup');
  await page.evaluate(() => window['newPage'] = window.open('about:blank'));
  const newPage = await newPagePromise;
  const closedPromise = new Promise(x => newPage.on('close', x));
  await page.evaluate(() => window['newPage'].close());
  await closedPromise;
});

it('page.close should work with page.close', async function({ page, context, server }) {
  const newPage = await context.newPage();
  const closedPromise = new Promise(x => newPage.on('close', x));
  await newPage.close();
  await closedPromise;
});

it('page.context should return the correct instance', async function({page, context}) {
  expect(page.context()).toBe(context);
});

it('page.frame should respect name', async function({page, server}) {
  await page.setContent(`<iframe name=target></iframe>`);
  expect(page.frame({ name: 'bogus' })).toBe(null);
  const frame = page.frame({ name: 'target' });
  expect(frame).toBeTruthy();
  expect(frame === page.mainFrame().childFrames()[0]).toBeTruthy();
});

it('page.frame should respect url', async function({page, server}) {
  await page.setContent(`<iframe src="${server.EMPTY_PAGE}"></iframe>`);
  expect(page.frame({ url: /bogus/ })).toBe(null);
  expect(page.frame({ url: /empty/ }).url()).toBe(server.EMPTY_PAGE);
});

it('should have sane user agent', async ({page}) => {
  const userAgent = await page.evaluate(() => navigator.userAgent);
  const [
    part1,
    part2,
    part3,
    part4,
    part5,
  ] = userAgent.split(/[()]/).map(part => part.trim());
  // First part is always "Mozilla/5.0"
  expect(part1).toBe('Mozilla/5.0');
  // Second part in parenthesis is platform - ignore it.

  // Third part for Firefox is the last one and encodes engine and browser versions.
  if (FFOX) {
    const [engine, browser] = part3.split(' ');
    expect(engine.startsWith('Gecko')).toBe(true);
    expect(browser.startsWith('Firefox')).toBe(true);
    expect(part4).toBe(undefined);
    expect(part5).toBe(undefined);
    return;
  }
  // For both CHROMIUM and WEBKIT, third part is the AppleWebKit version.
  expect(part3.startsWith('AppleWebKit/')).toBe(true);
  expect(part4).toBe('KHTML, like Gecko');
  // 5th part encodes real browser name and engine version.
  const [engine, browser] = part5.split(' ');
  expect(browser.startsWith('Safari/')).toBe(true);
  if (CHROMIUM)
    expect(engine.includes('Chrome/')).toBe(true);
  else
    expect(engine.startsWith('Version/')).toBe(true);
});

it('page.press should work', async({page, server}) => {
  await page.goto(server.PREFIX + '/input/textarea.html');
  await page.press('textarea', 'a');
  expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('a');
});

it('frame.press should work', async({page, server}) => {
  await page.setContent(`<iframe name=inner src="${server.PREFIX}/input/textarea.html"></iframe>`);
  const frame = page.frame('inner');
  await frame.press('textarea', 'a');
  expect(await frame.evaluate(() => document.querySelector('textarea').value)).toBe('a');
});