playwright/test/channels.spec.ts

194 lines
5.9 KiB
TypeScript

/**
* 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.
*/
import domain from 'domain';
import { it, expect, options, playwrightFixtures } from './playwright.fixtures';
import type { ChromiumBrowser } from '..';
playwrightFixtures.defineWorkerFixture('domain', async ({ }, test) => {
const local = domain.create();
local.run(() => { });
let err;
local.on('error', e => err = e);
local.enter();
await test(null);
if (err)
throw err;
});
it('should work', async ({browser}) => {
expect(!!browser['_connection']).toBeTruthy();
});
it('should scope context handles', async ({browserType, browser, server}) => {
const GOLDEN_PRECONDITION = {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [
{ _guid: 'Browser', objects: [] }
] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
};
await expectScopeState(browser, GOLDEN_PRECONDITION);
const context = await browser.newContext();
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
await expectScopeState(browser, {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [
{ _guid: 'Browser', objects: [
{ _guid: 'BrowserContext', objects: [
{ _guid: 'Frame', objects: [] },
{ _guid: 'Page', objects: [] },
{ _guid: 'Request', objects: [] },
{ _guid: 'Response', objects: [] },
]},
] },
] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
});
await context.close();
await expectScopeState(browser, GOLDEN_PRECONDITION);
});
it('should scope CDPSession handles', (test, parameters) => {
test.skip(!options.CHROMIUM(parameters));
}, async ({browserType, browser}) => {
const GOLDEN_PRECONDITION = {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [
{ _guid: 'Browser', objects: [] }
] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
};
await expectScopeState(browserType, GOLDEN_PRECONDITION);
const session = await (browser as ChromiumBrowser).newBrowserCDPSession();
await expectScopeState(browserType, {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [
{ _guid: 'Browser', objects: [
{ _guid: 'CDPSession', objects: [] },
] },
] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
});
await session.detach();
await expectScopeState(browserType, GOLDEN_PRECONDITION);
});
it('should scope browser handles', async ({browserType, defaultBrowserOptions}) => {
const GOLDEN_PRECONDITION = {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
};
await expectScopeState(browserType, GOLDEN_PRECONDITION);
const browser = await browserType.launch(defaultBrowserOptions);
await browser.newContext();
await expectScopeState(browserType, {
_guid: '',
objects: [
{ _guid: 'BrowserType', objects: [
{
_guid: 'Browser', objects: [
{ _guid: 'BrowserContext', objects: [] }
]
},
]
},
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'BrowserType', objects: [] },
{ _guid: 'Playwright', objects: [] },
{ _guid: 'Selectors', objects: [] },
{ _guid: 'Electron', objects: [] },
]
});
await browser.close();
await expectScopeState(browserType, GOLDEN_PRECONDITION);
});
it('should work with the domain module', async ({ domain, browserType }) => {
const browser = await browserType.launch();
const page = await browser.newPage();
const result = await page.evaluate(() => 1 + 1);
expect(result).toBe(2);
await browser.close();
});
async function expectScopeState(object, golden) {
golden = trimGuids(golden);
const remoteState = trimGuids(await object._channel.debugScopeState());
const localState = trimGuids(object._connection._debugScopeState());
expect(localState).toEqual(golden);
expect(remoteState).toEqual(golden);
}
function compareObjects(a, b) {
if (a._guid !== b._guid)
return a._guid.localeCompare(b._guid);
return a.objects.length - b.objects.length;
}
function trimGuids(object) {
if (Array.isArray(object))
return object.map(trimGuids).sort(compareObjects);
if (typeof object === 'object') {
const result = {};
for (const key in object)
result[key] = trimGuids(object[key]);
return result;
}
if (typeof object === 'string')
return object ? object.match(/[^@]+/)[0] : '';
return object;
}