/** * 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 './playwright.fixtures'; import path from 'path'; 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 }) => { await page.addInitScript({ path: path.join(__dirname, 'assets/injectedfile.js') }); await page.goto(server.PREFIX + '/tamperable.html'); expect(await page.evaluate(() => window["result"])).toBe(123); }); it('should work with content', 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, server }) => { const error = await page.addInitScript({ foo: 'bar' } as any).catch(e => e); expect(error.message).toContain('Either path or content property must be present'); }); it('should work with browser context scripts', async ({ browser, server }) => { const context = await browser.newContext(); await context.addInitScript(() => window["temp"] = 123); const page = await context.newPage(); await page.addInitScript(() => window["injected"] = window["temp"]); await page.goto(server.PREFIX + '/tamperable.html'); expect(await page.evaluate(() => window["result"])).toBe(123); await context.close(); }); it('should work with browser context scripts with a path', async ({ browser, server }) => { const context = await browser.newContext(); await context.addInitScript({ path: path.join(__dirname, 'assets/injectedfile.js') }); const page = await context.newPage(); await page.goto(server.PREFIX + '/tamperable.html'); expect(await page.evaluate(() => window["result"])).toBe(123); await context.close(); }); it('should work with browser context scripts for already created pages', async ({ browser, server }) => { const context = await browser.newContext(); const page = await context.newPage(); await context.addInitScript(() => window["temp"] = 123); await page.addInitScript(() => window["injected"] = window["temp"]); await page.goto(server.PREFIX + '/tamperable.html'); expect(await page.evaluate(() => window["result"])).toBe(123); await context.close(); }); 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); });