playwright/tests/page/page-evaluate-no-stall.spec.ts
2021-05-06 07:08:22 -07:00

52 lines
2.0 KiB
TypeScript

/**
* 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 { test, expect } from './pageTest';
test.describe('non-stalling evaluate', () => {
test.skip(({mode}) => mode !== 'default');
test('should work', async ({page, server, toImpl}) => {
await page.goto(server.EMPTY_PAGE);
const result = await toImpl(page.mainFrame()).nonStallingRawEvaluateInExistingMainContext('2+2');
expect(result).toBe(4);
});
test('should throw while pending navigation', async ({page, server, toImpl}) => {
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => document.body.textContent = 'HELLO WORLD');
let error;
await page.route('**/empty.html', async (route, request) => {
error = await toImpl(page.mainFrame()).nonStallingRawEvaluateInExistingMainContext('2+2').catch(e => e);
route.abort();
});
await page.goto(server.EMPTY_PAGE).catch(() => {});
expect(error.message).toContain('Frame is currently attempting a navigation');
});
test('should throw when no main execution context', async ({page, toImpl}) => {
let errorPromise;
page.on('frameattached', frame => {
errorPromise = toImpl(frame).nonStallingRawEvaluateInExistingMainContext('2+2').catch(e => e);
});
await page.setContent('<iframe></iframe>');
const error = await errorPromise;
// Testing this as a race.
const success = error.message === 'Frame does not yet have a main execution context' || 'Frame is currently attempting a navigation';
expect(success).toBeTruthy();
});
});