mirror of
https://github.com/microsoft/playwright.git
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683 lines
23 KiB
TypeScript
683 lines
23 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { attachFrame, detachFrame } from '../config/utils';
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import { test as it, expect } from './pageTest';
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it('should work @smoke', async ({ page }) => {
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const result = await page.evaluate(() => 7 * 3);
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expect(result).toBe(21);
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});
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it('should transfer NaN', async ({ page }) => {
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const result = await page.evaluate(a => a, NaN);
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expect(Object.is(result, NaN)).toBe(true);
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});
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it('should transfer -0', async ({ page }) => {
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const result = await page.evaluate(a => a, -0);
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expect(Object.is(result, -0)).toBe(true);
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});
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it('should transfer Infinity', async ({ page }) => {
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const result = await page.evaluate(a => a, Infinity);
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expect(Object.is(result, Infinity)).toBe(true);
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});
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it('should transfer -Infinity', async ({ page }) => {
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const result = await page.evaluate(a => a, -Infinity);
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expect(Object.is(result, -Infinity)).toBe(true);
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});
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it('should roundtrip unserializable values', async ({ page }) => {
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const value = {
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infinity: Infinity,
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nInfinity: -Infinity,
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nZero: -0,
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nan: NaN,
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};
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const result = await page.evaluate(value => value, value);
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expect(result).toEqual(value);
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});
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it('should roundtrip promise to value', async ({ page }) => {
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{
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const result = await page.evaluate(value => Promise.resolve(value), null);
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expect(result === null).toBeTruthy();
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}
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{
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const result = await page.evaluate(value => Promise.resolve(value), Infinity);
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expect(result === Infinity).toBeTruthy();
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}
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{
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const result = await page.evaluate(value => Promise.resolve(value), -0);
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expect(result === -0).toBeTruthy();
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}
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{
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const result = await page.evaluate(value => Promise.resolve(value), undefined);
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expect(result === undefined).toBeTruthy();
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}
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});
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it('should roundtrip promise to unserializable values', async ({ page }) => {
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const value = {
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infinity: Infinity,
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nInfinity: -Infinity,
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nZero: -0,
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nan: NaN,
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};
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const result = await page.evaluate(value => Promise.resolve(value), value);
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expect(result).toEqual(value);
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});
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it('should transfer arrays', async ({ page }) => {
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const result = await page.evaluate(a => a, [1, 2, 3]);
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expect(result).toEqual([1, 2, 3]);
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});
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it('should transfer arrays as arrays, not objects', async ({ page }) => {
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const result = await page.evaluate(a => Array.isArray(a), [1, 2, 3]);
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expect(result).toBe(true);
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});
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it('should transfer maps as empty objects', async ({ page }) => {
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const result = await page.evaluate(a => a.x.constructor.name + ' ' + JSON.stringify(a.x), { x: new Map([[1, 2]]) });
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expect(result).toBe('Object {}');
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});
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it('should modify global environment', async ({ page }) => {
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await page.evaluate(() => window['globalVar'] = 123);
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expect(await page.evaluate('globalVar')).toBe(123);
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});
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it('should evaluate in the page context', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/global-var.html');
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expect(await page.evaluate('globalVar')).toBe(123);
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});
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it('should return undefined for objects with symbols', async ({ page }) => {
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expect(await page.evaluate(() => [Symbol('foo4')])).toEqual([undefined]);
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expect(await page.evaluate(() => {
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const a = {};
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a[Symbol('foo4')] = 42;
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return a;
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})).toEqual({});
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expect(await page.evaluate(() => {
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return { foo: [{ a: Symbol('foo4') }] };
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})).toEqual({ foo: [{ a: undefined }] });
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});
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it('should work with function shorthands', async ({ page }) => {
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const a = {
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sum([a, b]: number[]) { return a + b; },
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async mult([a, b]: number[]) { return a * b; }
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};
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expect(await page.evaluate(a.sum, [1, 2])).toBe(3);
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expect(await page.evaluate(a.mult, [2, 4])).toBe(8);
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});
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it('should work with unicode chars', async ({ page }) => {
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const result = await page.evaluate(a => a['中文字符'], { '中文字符': 42 });
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expect(result).toBe(42);
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});
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it('should work with large strings', async ({ page }) => {
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const expected = 'x'.repeat(40000);
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expect(await page.evaluate(data => data, expected)).toBe(expected);
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});
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it('should work with large unicode strings', async ({ page, browserName, platform }) => {
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it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/16367' });
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const expected = '🎭'.repeat(10000);
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expect(await page.evaluate(data => data, expected)).toBe(expected);
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});
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it('should throw when evaluation triggers reload', async ({ page }) => {
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let error = null;
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await page.evaluate(() => {
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location.reload();
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return new Promise(() => { });
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}).catch(e => error = e);
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expect(error.message).toContain('navigation');
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});
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it('should await promise', async ({ page }) => {
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const result = await page.evaluate(() => Promise.resolve(8 * 7));
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expect(result).toBe(56);
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});
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it('should work right after framenavigated', async ({ page, server }) => {
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let frameEvaluation = null;
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page.on('framenavigated', async frame => {
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frameEvaluation = frame.evaluate(() => 6 * 7);
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});
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await page.goto(server.EMPTY_PAGE);
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expect(await frameEvaluation).toBe(42);
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});
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it('should work right after a cross-origin navigation', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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let frameEvaluation = null;
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page.on('framenavigated', async frame => {
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frameEvaluation = frame.evaluate(() => 6 * 7);
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});
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await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
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expect(await frameEvaluation).toBe(42);
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});
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it('should work from-inside an exposed function', async ({ page }) => {
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// Setup inpage callback, which calls Page.evaluate
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await page.exposeFunction('callController', async function(a, b) {
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return await page.evaluate(({ a, b }) => a * b, { a, b });
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});
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const result = await page.evaluate(async function() {
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return await window['callController'](9, 3);
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});
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expect(result).toBe(27);
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});
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it('should reject promise with exception', async ({ page }) => {
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let error = null;
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// @ts-ignore
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await page.evaluate(() => not_existing_object.property).catch(e => error = e);
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expect(error).toBeTruthy();
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expect(error.message).toContain('not_existing_object');
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});
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it('should support thrown strings as error messages', async ({ page }) => {
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let error = null;
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await page.evaluate(() => { throw 'qwerty'; }).catch(e => error = e);
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expect(error).toBeTruthy();
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expect(error.message).toContain('qwerty');
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});
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it('should support thrown numbers as error messages', async ({ page }) => {
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let error = null;
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await page.evaluate(() => { throw 100500; }).catch(e => error = e);
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expect(error).toBeTruthy();
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expect(error.message).toContain('100500');
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});
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it('should return complex objects', async ({ page }) => {
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const object = { foo: 'bar!' };
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const result = await page.evaluate(a => a, object);
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expect(result).not.toBe(object);
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expect(result).toEqual(object);
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});
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it('should return NaN', async ({ page }) => {
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const result = await page.evaluate(() => NaN);
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expect(Object.is(result, NaN)).toBe(true);
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});
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it('should return -0', async ({ page }) => {
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const result = await page.evaluate(() => -0);
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expect(Object.is(result, -0)).toBe(true);
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});
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it('should return Infinity', async ({ page }) => {
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const result = await page.evaluate(() => Infinity);
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expect(Object.is(result, Infinity)).toBe(true);
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});
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it('should return -Infinity', async ({ page }) => {
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const result = await page.evaluate(() => -Infinity);
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expect(Object.is(result, -Infinity)).toBe(true);
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});
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it('should work with overwritten Promise', async ({ page }) => {
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await page.evaluate(() => {
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const originalPromise = window.Promise;
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class Promise2 {
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_promise: Promise<any>;
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static all(arg) {
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return wrap(originalPromise.all(arg));
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}
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static race(arg) {
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return wrap(originalPromise.race(arg));
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}
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static resolve(arg) {
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return wrap(originalPromise.resolve(arg));
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}
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constructor(f) {
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this._promise = new originalPromise(f);
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}
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then(f, r) {
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return wrap(this._promise.then(f, r));
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}
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catch(f) {
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return wrap(this._promise.catch(f));
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}
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finally(f) {
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return wrap(this._promise.finally(f));
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}
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}
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const wrap = p => {
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const result = new Promise2(() => { });
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result._promise = p;
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return result;
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};
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// @ts-ignore;
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window.Promise = Promise2;
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window['__Promise2'] = Promise2;
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});
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// Sanity check.
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expect(await page.evaluate(() => {
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const p = Promise.all([Promise.race([]), new Promise(() => { }).then(() => { })]);
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return p instanceof window['__Promise2'];
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})).toBe(true);
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// Now, the new promise should be awaitable.
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expect(await page.evaluate(() => Promise.resolve(42))).toBe(42);
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});
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it('should throw when passed more than one parameter', async ({ page }) => {
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const expectThrow = async f => {
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let error;
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await f().catch(e => error = e);
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expect('' + error).toContain('Too many arguments');
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};
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// @ts-ignore
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await expectThrow(() => page.evaluate((a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => page.evaluateHandle((a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => page.$eval('sel', (a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => page.$$eval('sel', (a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => page.evaluate((a, b) => false, 1, 2));
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const frame = page.mainFrame();
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// @ts-ignore
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await expectThrow(() => frame.evaluate((a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => frame.evaluateHandle((a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => frame.$eval('sel', (a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => frame.$$eval('sel', (a, b) => false, 1, 2));
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// @ts-ignore
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await expectThrow(() => frame.evaluate((a, b) => false, 1, 2));
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});
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it('should accept "undefined" as one of multiple parameters', async ({ page }) => {
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const result = await page.evaluate(({ a, b }) => Object.is(a, undefined) && Object.is(b, 'foo'), { a: undefined, b: 'foo' });
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expect(result).toBe(true);
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});
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it('should properly serialize undefined arguments', async ({ page }) => {
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expect(await page.evaluate(x => ({ a: x }), undefined)).toEqual({});
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});
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it('should properly serialize undefined fields', async ({ page }) => {
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expect(await page.evaluate(() => ({ a: undefined }))).toEqual({});
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});
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it('should return undefined properties', async ({ page }) => {
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const value = await page.evaluate(() => ({ a: undefined }));
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expect('a' in value).toBe(true);
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});
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it('should properly serialize null arguments', async ({ page }) => {
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expect(await page.evaluate(x => x, null)).toEqual(null);
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});
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it('should properly serialize null fields', async ({ page }) => {
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expect(await page.evaluate(() => ({ a: null }))).toEqual({ a: null });
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});
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it('should properly serialize PerformanceMeasure object', async ({ page }) => {
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expect(await page.evaluate(() => {
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window.performance.mark('start');
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window.performance.mark('end');
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window.performance.measure('my-measure', 'start', 'end');
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return performance.getEntriesByType('measure');
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})).toEqual([{
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duration: expect.any(Number),
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entryType: 'measure',
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name: 'my-measure',
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startTime: expect.any(Number),
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}]);
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});
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it('shuld properly serialize window.performance object', async ({ page }) => {
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expect(await page.evaluate(() => performance)).toEqual({
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'navigation': {
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'redirectCount': 0,
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'type': 0
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},
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'timeOrigin': expect.any(Number),
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'timing': {
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'connectEnd': expect.any(Number),
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'connectStart': expect.any(Number),
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'domComplete': expect.any(Number),
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'domContentLoadedEventEnd': expect.any(Number),
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'domContentLoadedEventStart': expect.any(Number),
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'domInteractive': expect.any(Number),
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'domLoading': expect.any(Number),
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'domainLookupEnd': expect.any(Number),
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'domainLookupStart': expect.any(Number),
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'fetchStart': expect.any(Number),
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'loadEventEnd': expect.any(Number),
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'loadEventStart': expect.any(Number),
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'navigationStart': expect.any(Number),
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'redirectEnd': expect.any(Number),
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'redirectStart': expect.any(Number),
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'requestStart': expect.any(Number),
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'responseEnd': expect.any(Number),
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'responseStart': expect.any(Number),
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'secureConnectionStart': expect.any(Number),
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'unloadEventEnd': expect.any(Number),
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'unloadEventStart': expect.any(Number),
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}
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});
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});
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it('should return undefined for non-serializable objects', async ({ page }) => {
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expect(await page.evaluate(() => function() {})).toBe(undefined);
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});
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it('should alias Window, Document and Node', async ({ page }) => {
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const object = await page.evaluate('[window, document, document.body]');
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expect(object).toEqual(['ref: <Window>', 'ref: <Document>', 'ref: <Node>']);
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});
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it('should work for circular object', async ({ page }) => {
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const result = await page.evaluate(() => {
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const a = {} as any;
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a.b = a;
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return a;
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});
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const a = {} as any;
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a.b = a;
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expect(result).toEqual(a);
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});
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it('should be able to throw a tricky error', async ({ page }) => {
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const windowHandle = await page.evaluateHandle(() => window);
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const errorText = await windowHandle.jsonValue().catch(e => e.message);
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const error = await page.evaluate(errorText => {
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throw new Error(errorText);
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}, errorText).catch(e => e);
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expect(error.message).toContain(errorText);
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});
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it('should accept a string', async ({ page }) => {
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const result = await page.evaluate('1 + 2');
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expect(result).toBe(3);
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});
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it('should accept a string with semi colons', async ({ page }) => {
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const result = await page.evaluate('1 + 5;');
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expect(result).toBe(6);
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});
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it('should accept a string with comments', async ({ page }) => {
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const result = await page.evaluate('2 + 5;\n// do some math!');
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expect(result).toBe(7);
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});
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it('should accept element handle as an argument', async ({ page }) => {
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await page.setContent('<section>42</section>');
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const element = await page.$('section');
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const text = await page.evaluate(e => e.textContent, element);
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expect(text).toBe('42');
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});
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it('should throw if underlying element was disposed', async ({ page }) => {
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await page.setContent('<section>39</section>');
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const element = await page.$('section');
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expect(element).toBeTruthy();
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await element.dispose();
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let error = null;
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await page.evaluate(e => e.textContent, element).catch(e => error = e);
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expect(error.message).toContain('JSHandle is disposed');
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});
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it('should simulate a user gesture', async ({ page }) => {
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const result = await page.evaluate(() => {
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document.body.appendChild(document.createTextNode('test'));
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document.execCommand('selectAll');
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return document.execCommand('copy');
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});
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expect(result).toBe(true);
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});
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it('should throw a nice error after a navigation', async ({ page }) => {
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const errorPromise = page.evaluate(() => new Promise(f => window['__resolve'] = f)).catch(e => e) as Promise<Error>;
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await Promise.all([
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page.waitForNavigation(),
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page.evaluate(() => {
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window.location.reload();
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setTimeout(() => window['__resolve'](42), 1000);
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})
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]);
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const error = await errorPromise;
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expect(error.message).toContain('navigation');
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});
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it('should not throw an error when evaluation does a navigation', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/one-style.html');
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const result = await page.evaluate(() => {
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window.location.href = '/empty.html';
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return [42];
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});
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expect(result).toEqual([42]);
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});
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it('should not throw an error when evaluation does a synchronous navigation and returns an object', async ({ page, server, browserName }) => {
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// It is imporant to be on about:blank for sync reload.
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const result = await page.evaluate(() => {
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window.location.reload();
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return { a: 42 };
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});
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expect(result).toEqual({ a: 42 });
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});
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it('should not throw an error when evaluation does a synchronous navigation and returns undefined', async ({ page }) => {
|
|
// It is imporant to be on about:blank for sync reload.
|
|
const result = await page.evaluate(() => {
|
|
window.location.reload();
|
|
return undefined;
|
|
});
|
|
expect(result).toBe(undefined);
|
|
});
|
|
|
|
it('should transfer 100Mb of data from page to node.js', async ({ mode, page }) => {
|
|
it.skip(mode !== 'default');
|
|
|
|
// This is too slow with wire.
|
|
const a = await page.evaluate(() => Array(100 * 1024 * 1024 + 1).join('a'));
|
|
expect(a.length).toBe(100 * 1024 * 1024);
|
|
});
|
|
|
|
it('should throw error with detailed information on exception inside promise ', async ({ page }) => {
|
|
let error = null;
|
|
await page.evaluate(() => new Promise(() => {
|
|
throw new Error('Error in promise');
|
|
})).catch(e => error = e);
|
|
expect(error.message).toContain('Error in promise');
|
|
});
|
|
|
|
it('should work even when JSON is set to null', async ({ page }) => {
|
|
await page.evaluate(() => { window.JSON.stringify = null; window.JSON = null; });
|
|
const result = await page.evaluate(() => ({ abc: 123 }));
|
|
expect(result).toEqual({ abc: 123 });
|
|
});
|
|
|
|
it('should await promise from popup', async ({ page, server }) => {
|
|
// Something is wrong about the way Firefox waits for the chained promise
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const result = await page.evaluate(() => {
|
|
const win = window.open('about:blank');
|
|
return new win['Promise'](f => f(42));
|
|
});
|
|
expect(result).toBe(42);
|
|
});
|
|
|
|
it('should work with new Function() and CSP', async ({ page, server }) => {
|
|
server.setCSP('/empty.html', 'script-src ' + server.PREFIX);
|
|
await page.goto(server.PREFIX + '/empty.html');
|
|
expect(await page.evaluate(() => new Function('return true')())).toBe(true);
|
|
});
|
|
|
|
it('should work with non-strict expressions', async ({ page, server }) => {
|
|
expect(await page.evaluate(() => {
|
|
// @ts-ignore
|
|
y = 3.14;
|
|
// @ts-ignore
|
|
return y;
|
|
})).toBe(3.14);
|
|
});
|
|
|
|
it('should respect use strict expression', async ({ page }) => {
|
|
const error = await page.evaluate(() => {
|
|
'use strict';
|
|
// @ts-ignore
|
|
variableY = 3.14;
|
|
// @ts-ignore
|
|
return variableY;
|
|
}).catch(e => e);
|
|
expect(error.message).toContain('variableY');
|
|
});
|
|
|
|
it('should not leak utility script', async function({ page }) {
|
|
expect(await page.evaluate(() => this === window)).toBe(true);
|
|
});
|
|
|
|
it('should not leak handles', async ({ page }) => {
|
|
const error = await page.evaluate('handles.length').catch(e => e);
|
|
expect((error as Error).message).toContain(' handles');
|
|
});
|
|
|
|
it('should work with CSP', async ({ page, server }) => {
|
|
server.setCSP('/empty.html', `script-src 'self'`);
|
|
await page.goto(server.EMPTY_PAGE);
|
|
expect(await page.evaluate(() => 2 + 2)).toBe(4);
|
|
});
|
|
|
|
it('should evaluate exception with a function on the stack', async ({ page }) => {
|
|
const error = await page.evaluate(() => {
|
|
return (function functionOnStack() {
|
|
return new Error('error message');
|
|
})();
|
|
});
|
|
expect(error).toContain('Error: error message');
|
|
expect(error).toContain('functionOnStack');
|
|
});
|
|
|
|
it('should evaluate exception', async ({ page }) => {
|
|
const error = await page.evaluate(`new Error('error message')`);
|
|
expect(error).toContain('Error: error message');
|
|
});
|
|
|
|
it('should evaluate date', async ({ page }) => {
|
|
const result = await page.evaluate(() => ({ date: new Date('2020-05-27T01:31:38.506Z') }));
|
|
expect(result).toEqual({ date: new Date('2020-05-27T01:31:38.506Z') });
|
|
});
|
|
|
|
it('should roundtrip date', async ({ page }) => {
|
|
const date = new Date('2020-05-27T01:31:38.506Z');
|
|
const result = await page.evaluate(date => date, date);
|
|
expect(result.toUTCString()).toEqual(date.toUTCString());
|
|
});
|
|
|
|
it('should roundtrip regex', async ({ page }) => {
|
|
const regex = /hello/im;
|
|
const result = await page.evaluate(regex => regex, regex);
|
|
expect(result.toString()).toEqual(regex.toString());
|
|
});
|
|
|
|
it('should jsonValue() date', async ({ page }) => {
|
|
const resultHandle = await page.evaluateHandle(() => ({ date: new Date('2020-05-27T01:31:38.506Z') }));
|
|
expect(await resultHandle.jsonValue()).toEqual({ date: new Date('2020-05-27T01:31:38.506Z') });
|
|
});
|
|
|
|
it('should evaluate url', async ({ page }) => {
|
|
const result = await page.evaluate(() => ({ url: new URL('https://example.com') }));
|
|
expect(result).toEqual({ url: new URL('https://example.com') });
|
|
});
|
|
|
|
it('should roundtrip url', async ({ page }) => {
|
|
const url = new URL('https://example.com');
|
|
const result = await page.evaluate(url => url, url);
|
|
expect(result.toString()).toEqual(url.toString());
|
|
});
|
|
|
|
it('should jsonValue() url', async ({ page }) => {
|
|
const resultHandle = await page.evaluateHandle(() => ({ url: new URL('https://example.com') }));
|
|
expect(await resultHandle.jsonValue()).toEqual({ url: new URL('https://example.com') });
|
|
});
|
|
|
|
it('should not use toJSON when evaluating', async ({ page }) => {
|
|
const result = await page.evaluate(() => ({ toJSON: () => 'string', data: 'data' }));
|
|
expect(result).toEqual({ data: 'data', toJSON: {} });
|
|
});
|
|
|
|
it('should not use Array.prototype.toJSON when evaluating', async ({ page }) => {
|
|
const result = await page.evaluate(() => {
|
|
(Array.prototype as any).toJSON = () => 'busted';
|
|
return [1, 2, 3];
|
|
});
|
|
expect(result).toEqual([1, 2, 3]);
|
|
});
|
|
|
|
it('should not add a toJSON property to newly created Arrays after evaluation', async ({ page, browserName }) => {
|
|
await page.evaluate(() => []);
|
|
const hasToJSONProperty = await page.evaluate(() => 'toJSON' in []);
|
|
expect(hasToJSONProperty).toEqual(false);
|
|
});
|
|
|
|
it('should not use toJSON in jsonValue', async ({ page }) => {
|
|
const resultHandle = await page.evaluateHandle(() => ({ toJSON: () => 'string', data: 'data' }));
|
|
expect(await resultHandle.jsonValue()).toEqual({ data: 'data', toJSON: {} });
|
|
});
|
|
|
|
it('should not expose the injected script export', async ({ page }) => {
|
|
expect(await page.evaluate('typeof pwExport === "undefined"')).toBe(true);
|
|
});
|
|
|
|
it('should throw when frame is detached', async ({ page, server }) => {
|
|
await attachFrame(page, 'frame1', server.EMPTY_PAGE);
|
|
const frame = page.frames()[1];
|
|
const promise = frame.evaluate(() => new Promise<void>(() => {})).catch(e => e);
|
|
await detachFrame(page, 'frame1');
|
|
const error = await promise;
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toMatch(/frame.evaluate: (Frame was detached|Execution context was destroyed)/);
|
|
});
|
|
|
|
it('should work with overridden Object.defineProperty', async ({ page, server }) => {
|
|
server.setRoute('/test', (req, res) => {
|
|
res.writeHead(200, {
|
|
'content-type': 'text/html',
|
|
});
|
|
res.end(`<script>
|
|
Object.create = null;
|
|
Object.defineProperty = null;
|
|
Object.getOwnPropertyDescriptor = null;
|
|
Object.getOwnPropertyNames = null;
|
|
Object.getPrototypeOf = null;
|
|
Object.prototype.hasOwnProperty = null;
|
|
</script>`);
|
|
});
|
|
await page.goto(server.PREFIX + '/test');
|
|
expect(await page.evaluate('1+2')).toBe(3);
|
|
});
|