참고소스 수정본

참고/playwright-main/tests/stress/browsers.spec.ts

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+/**
+ * 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 { baseTest as test } from '../config/baseTest';
+import { expect } from '@playwright/test';
+
+for (let i = 0; i < 100; ++i) {
+  test('cycle browsers ' + i, async ({ playwright, browserName, server }) => {
+    const browser = await playwright[browserName].launch();
+    try {
+      const page = await browser.newPage();
+      await page.goto(server.PREFIX + '/stress/index.html');
+      await expect(page.locator('text=Learn React')).toBeVisible();
+    } finally {
+      await browser.close();
+    }
+  });
+}

참고/playwright-main/tests/stress/contexts.spec.ts

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+/**
+ * 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';
+
+for (let i = 0; i < 1000; ++i) {
+  test('cycle contexts ' + i, async ({ page, server }) => {
+    await page.goto(server.PREFIX + '/stress/index.html');
+    await expect(page.locator('text=Learn React')).toBeVisible();
+  });
+}

참고/playwright-main/tests/stress/frames.spec.ts

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+/**
+ * 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 { server as coreServer } from '../../packages/playwright-core/lib/coreBundle';
+
+test.slow();
+
+test('cycle frames', async ({ page, server }) => {
+  coreServer.setMaxDispatchersForTest(100);
+
+  const kFrameCount = 310;
+
+  await page.goto(server.EMPTY_PAGE);
+  let cb;
+  const promise = new Promise(f => cb = f);
+  let counter = 0;
+  page.on('frameattached', async () => {
+    // Make sure we can access page.
+    await page.title();
+    if (++counter === kFrameCount)
+      cb();
+  });
+
+  page.evaluate(async ({ url, count }) => {
+    for (let i = 0; i < count; i++) {
+      const frame = document.createElement('iframe');
+      frame.src = url;
+      document.body.appendChild(frame);
+      await new Promise(f => setTimeout(f, 10));
+      frame.remove();
+    }
+  }, { url: server.PREFIX + '/one-style.html', count: kFrameCount }).catch(() => {});
+  await promise;
+  await page.waitForTimeout(500);
+
+  coreServer.setMaxDispatchersForTest(null);
+});
+
+test('cycle handles', async ({ page, server }) => {
+  await page.goto(server.EMPTY_PAGE);
+  await page.setContent(`<div><span>hi</span></div>`.repeat(2000));
+  const divs = await page.$$('div');
+  for (const div of divs) {
+    const span = await div.$('span');
+    expect(await span.textContent()).toBe('hi');
+  }
+});

참고/playwright-main/tests/stress/heap.spec.ts

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+/**
+ * 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 { server as coreServer } from '../../packages/playwright-core/lib/coreBundle';
+import { queryObjectCount } from '../config/queryObjects';
+
+test.describe.configure({ mode: 'serial' });
+test.skip(({ browserName }) => browserName !== 'chromium');
+
+const clientClass = {
+  Page: null as Function,
+  BrowserContext: null as Function,
+  Browser: null as Function,
+  Request: null as Function,
+  Response: null as Function,
+};
+
+test.beforeAll(async ({ browser, server }) => {
+  const context = await browser.newContext();
+  const page = await context.newPage();
+  clientClass.Page = page.constructor;
+  clientClass.BrowserContext = context.constructor;
+  clientClass.Browser = browser.constructor;
+  const [request, response] = await Promise.all([
+    page.waitForRequest(() => true),
+    page.waitForResponse(() => true),
+    page.goto(server.EMPTY_PAGE),
+  ]);
+  clientClass.Request = request.constructor;
+  clientClass.Response = response.constructor;
+  await context.close();
+});
+
+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(clientClass.Page)).toBe(1);
+  expect(await queryObjectCount(clientClass.BrowserContext)).toBe(1);
+  expect(await queryObjectCount(clientClass.Browser)).toBe(1);
+});
+
+test('should not leak fixtures w/o page', async ({}) => {
+  expect(await queryObjectCount(clientClass.Page)).toBe(0);
+  expect(await queryObjectCount(clientClass.BrowserContext)).toBe(0);
+  expect(await queryObjectCount(clientClass.Browser)).toBe(1);
+});
+
+test('should not leak server-side objects', async ({ page }) => {
+  expect(await queryObjectCount(coreServer.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(coreServer.BrowserContext)).toBe(5);
+  expect(await queryObjectCount(coreServer.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(coreServer.Page)).toBe(COUNT);
+  expect(await queryObjectCount(coreServer.RequestDispatcher)).toBe(COUNT);
+  expect(await queryObjectCount(coreServer.ResponseDispatcher)).toBe(COUNT);
+
+  for (const page of pages)
+    await page.close();
+  pages.length = 0;
+
+  expect(await queryObjectCount(coreServer.Page)).toBe(0);
+  expect(await queryObjectCount(coreServer.RequestDispatcher)).toBe(0);
+  expect(await queryObjectCount(coreServer.ResponseDispatcher)).toBe(0);
+
+  expect(await queryObjectCount(clientClass.Page)).toBeLessThan(COUNT);
+  expect(await queryObjectCount(coreServer.Page)).toBe(0);
+  expect(await queryObjectCount(clientClass.Request)).toBe(0);
+  expect(await queryObjectCount(clientClass.Response)).toBe(0);
+});
+
+test.describe(() => {
+  test.beforeEach(() => {
+    coreServer.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(clientClass.Request), message: 'client.Request' },
+      { count: await queryObjectCount(clientClass.Response), message: 'client.Response' },
+      { count: await queryObjectCount(coreServer.Request), message: 'server.Request' },
+      { count: await queryObjectCount(coreServer.Response), message: 'server.Response' },
+      { count: await queryObjectCount(coreServer.RequestDispatcher), message: 'dispatchers.RequestDispatcher' },
+      { count: await queryObjectCount(coreServer.ResponseDispatcher), message: 'dispatchers.ResponseDispatcher' },
+    ];
+    for (const { count, message } of counts) {
+      expect(count, { message }).toBeGreaterThan(50);
+      expect(count, { message }).toBeLessThan(150);
+    }
+  });
+
+  test.afterEach(() => {
+    coreServer.setMaxDispatchersForTest(null);
+  });
+});

참고/playwright-main/tests/stress/playwright.config.ts

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+/**
+ * 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 { defineConfig } from '@playwright/test';
+
+process.env.PWTEST_UNDER_TEST = '1';
+
+export default defineConfig({
+  forbidOnly: !!process.env.CI,
+  reporter: 'html',
+  projects: [
+    {
+      name: 'chromium',
+      use: {
+        browserName: 'chromium'
+      },
+    },
+
+    {
+      name: 'firefox',
+      use: {
+        browserName: 'firefox',
+      },
+    },
+
+    {
+      name: 'webkit',
+      use: {
+        browserName: 'webkit'
+      },
+    },
+  ]
+});