mirror of
https://github.com/microsoft/playwright.git
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314 lines
10 KiB
TypeScript
314 lines
10 KiB
TypeScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import fs from 'fs';
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import domain from 'domain';
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import { playwrightTest as it, expect } from '../config/browserTest';
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// Use something worker-scoped (e.g. launch args) to force a new worker for this file.
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// Otherwise, a browser launched for other tests in this worker will affect the expectations.
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it.use({
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launchOptions: async ({ launchOptions }, use) => {
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await use({ ...launchOptions, args: [] });
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}
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});
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it.skip(({ mode }) => mode === 'service');
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it('should scope context handles', async ({ browserType, server }) => {
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const browser = await browserType.launch();
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const GOLDEN_PRECONDITION = {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [
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{ _guid: 'browser', objects: [] }
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] },
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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};
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await expectScopeState(browser, GOLDEN_PRECONDITION);
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const context = await browser.newContext();
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const page = await context.newPage();
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// Firefox Beta 96 yields a console warning for the pages that
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// don't use `<!DOCTYPE HTML> tag.
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await page.goto(server.PREFIX + '/empty-standard-mode.html');
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await expectScopeState(browser, {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [
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{ _guid: 'browser', objects: [
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{ _guid: 'browser-context', objects: [
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{ _guid: 'frame', objects: [] },
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{ _guid: 'page', objects: [] },
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{ _guid: 'request', objects: [] },
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{ _guid: 'response', objects: [] },
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] },
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{ _guid: 'fetchRequest', objects: [] },
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{ _guid: 'Tracing', objects: [] }
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] },
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] },
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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});
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await context.close();
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await expectScopeState(browser, GOLDEN_PRECONDITION);
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await browser.close();
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});
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it('should scope CDPSession handles', async ({ browserType, browserName }) => {
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it.skip(browserName !== 'chromium');
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const browser = await browserType.launch();
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const GOLDEN_PRECONDITION = {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [
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{ _guid: 'browser', objects: [] }
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] },
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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};
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await expectScopeState(browserType, GOLDEN_PRECONDITION);
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const session = await browser.newBrowserCDPSession();
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await expectScopeState(browserType, {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [
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{ _guid: 'browser', objects: [
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{ _guid: 'cdp-session', objects: [] },
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] },
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] },
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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});
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await session.detach();
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await expectScopeState(browserType, GOLDEN_PRECONDITION);
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await browser.close();
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});
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it('should scope browser handles', async ({ browserType }) => {
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const GOLDEN_PRECONDITION = {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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};
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await expectScopeState(browserType, GOLDEN_PRECONDITION);
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const browser = await browserType.launch();
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await browser.newContext();
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await expectScopeState(browserType, {
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_guid: '',
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objects: [
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{ _guid: 'android', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [] },
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{ _guid: 'browser-type', objects: [
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{
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_guid: 'browser', objects: [
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{ _guid: 'browser-context', objects: [] },
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{ _guid: 'fetchRequest', objects: [] },
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{ _guid: 'Tracing', objects: [] }
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]
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},
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]
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},
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{ _guid: 'electron', objects: [] },
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{ _guid: 'localUtils', objects: [] },
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{ _guid: 'Playwright', objects: [] },
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{ _guid: 'selectors', objects: [] },
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]
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});
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await browser.close();
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await expectScopeState(browserType, GOLDEN_PRECONDITION);
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});
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it('should work with the domain module', async ({ browserType, server, browserName }) => {
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const local = domain.create();
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local.run(() => { });
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let err;
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local.on('error', e => err = e);
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const browser = await browserType.launch();
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const page = await browser.newPage();
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expect(await page.evaluate(() => 1 + 1)).toBe(2);
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// At the time of writing, we used to emit 'error' event for WebSockets,
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// which failed with 'domain' module.
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let callback;
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const result = new Promise(f => callback = f);
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page.on('websocket', ws => ws.on('socketerror', callback));
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page.evaluate(port => {
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new WebSocket('ws://localhost:' + port + '/bogus-ws');
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}, server.PORT);
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const message = await result;
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if (browserName === 'firefox')
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expect(message).toBe('CLOSE_ABNORMAL');
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else
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expect(message).toContain(': 400');
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await browser.close();
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if (err)
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throw err;
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});
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it('make sure that the client/server side context, page, etc. objects were garbage collected', async ({ browserName, server, childProcess }, testInfo) => {
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// WeakRef was added in Node.js 14
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it.skip(parseInt(process.version.slice(1), 10) < 14);
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const scriptPath = testInfo.outputPath('test.js');
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const script = `
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const playwright = require(${JSON.stringify(require.resolve('playwright'))});
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const { kTestSdkObjects } = require(${JSON.stringify(require.resolve('../../packages/playwright-core/lib/server/instrumentation'))});
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const { existingDispatcher } = require(${JSON.stringify(require.resolve('../../packages/playwright-core/lib/server/dispatchers/dispatcher'))});
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const toImpl = playwright._toImpl;
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(async () => {
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const clientSideObjectsSizeBeforeLaunch = playwright._connection._objects.size;
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const browser = await playwright['${browserName}'].launch();
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const objectRefs = [];
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const dispatcherRefs = [];
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for (let i = 0; i < 5; i++) {
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const context = await browser.newContext();
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const page = await context.newPage();
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const response = await page.goto('${server.EMPTY_PAGE}');
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objectRefs.push(new WeakRef(toImpl(context)));
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objectRefs.push(new WeakRef(toImpl(page)));
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objectRefs.push(new WeakRef(toImpl(response)));
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dispatcherRefs.push(
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new WeakRef(existingDispatcher(toImpl(context))),
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new WeakRef(existingDispatcher(toImpl(page))),
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new WeakRef(existingDispatcher(toImpl(response))),
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);
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}
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assertServerSideObjectsExistance(true);
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assertServerSideDispatchersExistance(true);
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await browser.close();
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for (let i = 0; i < 5; i++) {
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await new Promise(resolve => setTimeout(resolve, 100));
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global.gc();
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}
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assertServerSideObjectsExistance(false);
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assertServerSideDispatchersExistance(false);
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assertClientSideObjects();
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function assertClientSideObjects() {
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if (playwright._connection._objects.size !== clientSideObjectsSizeBeforeLaunch)
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throw new Error('Client-side objects were not cleaned up');
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}
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function assertServerSideObjectsExistance(expected) {
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for (const ref of objectRefs) {
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if (kTestSdkObjects.has(ref.deref()) !== expected) {
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throw new Error('Unexpected SdkObject existence! (expected: ' + expected + ')');
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}
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}
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}
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function assertServerSideDispatchersExistance(expected) {
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for (const ref of dispatcherRefs) {
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const impl = ref.deref();
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if (!!impl !== expected)
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throw new Error('Dispatcher is still alive!');
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}
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}
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})();
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`;
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await fs.promises.writeFile(scriptPath, script);
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const testSdkObjectsProcess = childProcess({
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command: ['node', '--expose-gc', scriptPath],
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env: {
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...process.env,
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_PW_INTERNAL_COUNT_SDK_OBJECTS: '1',
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}
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});
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const { exitCode } = await testSdkObjectsProcess.exited;
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expect(exitCode).toBe(0);
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});
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async function expectScopeState(object, golden) {
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golden = trimGuids(golden);
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const remoteState = trimGuids(await object._channel.debugScopeState());
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const localState = trimGuids(object._connection._debugScopeState());
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expect(localState).toEqual(golden);
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expect(remoteState).toEqual(golden);
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}
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function compareObjects(a, b) {
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if (a._guid !== b._guid)
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return a._guid.localeCompare(b._guid);
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return a.objects.length - b.objects.length;
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}
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function trimGuids(object) {
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if (Array.isArray(object))
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return object.map(trimGuids).sort(compareObjects);
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if (typeof object === 'object') {
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const result = {};
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for (const key in object)
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result[key] = trimGuids(object[key]);
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return result;
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}
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if (typeof object === 'string')
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return object ? object.match(/[^@]+/)[0] : '';
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return object;
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}
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