playwright/tests/page/page-add-init-script.spec.ts

112 lines
4.3 KiB
TypeScript

/**
* Copyright 2018 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 { test as it, expect } from './pageTest';
it('should evaluate before anything else on the page', async ({ page, server }) => {
await page.addInitScript(function() {
window['injected'] = 123;
});
await page.goto(server.PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window['result'])).toBe(123);
});
it('should work with a path', async ({ page, server, asset }) => {
await page.addInitScript({ path: asset('injectedfile.js') });
await page.goto(server.PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window['result'])).toBe(123);
});
it('should work with content @smoke', async ({ page, server }) => {
await page.addInitScript({ content: 'window["injected"] = 123' });
await page.goto(server.PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window['result'])).toBe(123);
});
it('should throw without path and content', async ({ page }) => {
// @ts-expect-error foo is not a real option of addInitScript
const error = await page.addInitScript({ foo: 'bar' }).catch(e => e);
expect(error.message).toContain('Either path or content property must be present');
});
it('should work with trailing comments', async ({ page, asset }) => {
await page.addInitScript({ content: '// comment' });
await page.addInitScript({ content: 'window.secret = 42;' });
await page.goto('data:text/html,<html></html>');
expect(await page.evaluate('secret')).toBe(42);
});
it('should support multiple scripts', async ({ page, server }) => {
await page.addInitScript(function() {
window['script1'] = 1;
});
await page.addInitScript(function() {
window['script2'] = 2;
});
await page.goto(server.PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window['script1'])).toBe(1);
expect(await page.evaluate(() => window['script2'])).toBe(2);
});
it('should work with CSP', async ({ page, server }) => {
server.setCSP('/empty.html', 'script-src ' + server.PREFIX);
await page.addInitScript(function() {
window['injected'] = 123;
});
await page.goto(server.PREFIX + '/empty.html');
expect(await page.evaluate(() => window['injected'])).toBe(123);
// Make sure CSP works.
await page.addScriptTag({ content: 'window.e = 10;' }).catch(e => void e);
expect(await page.evaluate(() => window['e'])).toBe(undefined);
});
it('should work after a cross origin navigation', async ({ page, server }) => {
await page.goto(server.CROSS_PROCESS_PREFIX);
await page.addInitScript(function() {
window['injected'] = 123;
});
await page.goto(server.PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window['result'])).toBe(123);
});
it('init script should run only once in iframe', async ({ page, server, browserName }) => {
it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/26992' });
const messages = [];
page.on('console', event => {
if (event.text().startsWith('init script:'))
messages.push(event.text());
});
await page.addInitScript(() => console.log('init script:', location.pathname || 'no url yet'));
await page.goto(server.PREFIX + '/frames/one-frame.html');
expect(messages).toEqual([
'init script: /frames/one-frame.html',
'init script: ' + (browserName === 'firefox' ? 'no url yet' : '/frames/frame.html'),
]);
});
it('init script should run only once in popup', async ({ page, browserName }) => {
await page.context().addInitScript(() => {
window['callCount'] = (window['callCount'] || 0) + 1;
});
const [popup] = await Promise.all([
page.waitForEvent('popup'),
page.evaluate(() => window.open('about:blank')),
]);
expect(await popup.evaluate('callCount')).toEqual(1);
});