playwright/tests/library/chromium/bfcache.spec.ts

38 lines
1.3 KiB
TypeScript

/**
* Copyright 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';
test.use({
launchOptions: async ({ launchOptions }, use) => {
await use({ ...launchOptions, ignoreDefaultArgs: ['--disable-back-forward-cache'] });
}
});
test('bindings should work after restoring from bfcache', async ({ page, server }) => {
await page.exposeFunction('add', (a, b) => a + b);
await page.goto(server.PREFIX + '/cached/bfcached.html');
expect(await page.evaluate('window.add(1, 2)')).toBe(3);
await page.setContent(`<a href='about:blank'}>click me</a>`);
await page.click('a');
await page.goBack({ waitUntil: 'commit' });
await page.evaluate('window.didShow');
expect(await page.evaluate('window.add(2, 3)')).toBe(5);
});