playwright/tests/stress/heap.spec.ts

121 строка
6.3 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation. 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.
*/
import { contextTest as test, expect } from '../config/browserTest';
import { queryObjectCount } from '../config/queryObjects';
test.describe.configure({ mode: 'serial' });
test.skip(({ browserName }) => browserName !== 'chromium');
for (let i = 0; i < 3; ++i) {
test(`test #${i} to request page and context`, async ({ page, context }) => {
// This test is here to create page instance
});
}
test('test to request page and context', async ({ page, context }) => {
// This test is here to create page instance
});
test('should not leak fixtures w/ page', async ({ page }) => {
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/page').Page)).toBe(1);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/browserContext').BrowserContext)).toBe(1);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/browser').Browser)).toBe(1);
});
test('should not leak fixtures w/o page', async ({}) => {
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/page').Page)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/browserContext').BrowserContext)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/browser').Browser)).toBe(1);
});
test('should not leak server-side objects', async ({ page }) => {
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/page').Page)).toBe(1);
// 4 is because v8 heap creates objects for descendant classes, so WKContext, CRContext, FFContext, BidiBrowserContext and our context instance.
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browserContext').BrowserContext)).toBe(5);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browser').Browser)).toBe(5);
});
test('should not leak dispatchers after closing page', async ({ context, server }) => {
const pages = [];
const COUNT = 5;
for (let i = 0; i < COUNT; ++i) {
const page = await context.newPage();
// ensure listeners are registered
page.on('console', () => {});
await page.goto(server.PREFIX + '/title.html');
await page.evaluate(async i => {
console.log('message', i);
}, i);
pages.push(page);
}
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/page').Page)).toBe(COUNT);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').RequestDispatcher)).toBe(COUNT);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').ResponseDispatcher)).toBe(COUNT);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/console').ConsoleMessage)).toBe(0);
for (const page of pages)
await page.close();
pages.length = 0;
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/page').Page)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').RequestDispatcher)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').ResponseDispatcher)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/console').ConsoleMessage)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/page').Page)).toBeLessThan(COUNT);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/page').Page)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/network').Request)).toBe(0);
expect(await queryObjectCount(require('../../packages/playwright-core/lib/client/network').Response)).toBe(0);
});
test.describe(() => {
test.beforeEach(() => {
require('../../packages/playwright-core/lib/server/dispatchers/dispatcher').setMaxDispatchersForTest(100);
});
test('should collect stale handles', async ({ page, server }) => {
page.on('request', () => {});
const response = await page.goto(server.PREFIX + '/title.html');
for (let i = 0; i < 200; ++i) {
await page.evaluate(async () => {
const response = await fetch('/');
await response.text();
});
}
const e = await response.allHeaders().catch(e => e);
expect(e.message).toContain('The object has been collected to prevent unbounded heap growth.');
const counts = [
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/client/network').Request), message: 'client.Request' },
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/client/network').Response), message: 'client.Response' },
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/server/network').Request), message: 'server.Request' },
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/server/network').Response), message: 'server.Response' },
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').RequestDispatcher), message: 'dispatchers.RequestDispatcher' },
{ count: await queryObjectCount(require('../../packages/playwright-core/lib/server/dispatchers/networkDispatchers').ResponseDispatcher), message: 'dispatchers.ResponseDispatcher' },
];
for (const { count, message } of counts) {
expect(count, { message }).toBeGreaterThan(50);
expect(count, { message }).toBeLessThan(150);
}
});
test.afterEach(() => {
require('../../packages/playwright-core/lib/server/dispatchers/dispatcher').setMaxDispatchersForTest(null);
});
});