mirror of
https://github.com/microsoft/playwright.git
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281 lines
12 KiB
JavaScript
281 lines
12 KiB
JavaScript
/**
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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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/**
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* @type {PageTestSuite}
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*/
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module.exports.describe = function({testRunner, expect, CHROMIUM, FFOX, WEBKIT}) {
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const {describe, xdescribe, fdescribe} = testRunner;
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const {it, fit, xit, dit} = testRunner;
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const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
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describe('Page.evaluateHandle', function() {
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it('should work', async({page, server}) => {
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const windowHandle = await page.evaluateHandle(() => window);
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expect(windowHandle).toBeTruthy();
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});
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it('should accept object handle as an argument', async({page, server}) => {
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const navigatorHandle = await page.evaluateHandle(() => navigator);
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const text = await page.evaluate(e => e.userAgent, navigatorHandle);
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expect(text).toContain('Mozilla');
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});
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it('should accept object handle to primitive types', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => 5);
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const isFive = await page.evaluate(e => Object.is(e, 5), aHandle);
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expect(isFive).toBeTruthy();
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});
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it('should accept nested handle', async({page, server}) => {
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const foo = await page.evaluateHandle(() => ({ x: 1, y: 'foo' }));
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const result = await page.evaluate(({ foo }) => {
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return foo;
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}, { foo });
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expect(result).toEqual({ x: 1, y: 'foo' });
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});
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it('should accept nested window handle', async({page, server}) => {
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const foo = await page.evaluateHandle(() => window);
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const result = await page.evaluate(({ foo }) => {
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return foo === window;
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}, { foo });
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expect(result).toBe(true);
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});
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it('should accept multiple nested handles', async({page, server}) => {
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const foo = await page.evaluateHandle(() => ({ x: 1, y: 'foo' }));
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const bar = await page.evaluateHandle(() => 5);
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const baz = await page.evaluateHandle(() => (['baz']));
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const result = await page.evaluate(x => {
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return JSON.stringify(x);
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}, { a1: { foo }, a2: { bar, arr: [{ baz }] } });
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expect(JSON.parse(result)).toEqual({
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a1: { foo: { x: 1, y: 'foo' } },
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a2: { bar: 5, arr: [{ baz: ['baz'] }] }
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});
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});
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it('should throw for deep objects', async({page, server}) => {
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let a = { x: 1 };
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for (let i = 0; i < 98; i++)
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a = { x: a };
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expect(await page.evaluate(x => x, a)).toEqual(a);
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let error = await page.evaluate(x => x, {a}).catch(e => e);
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expect(error.message).toBe('Argument nesting is too deep');
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error = await page.evaluate(x => x, [a]).catch(e => e);
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expect(error.message).toBe('Argument nesting is too deep');
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});
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it('should throw for circular objects', async({page, server}) => {
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const a = { x: 1 };
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a.y = a;
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const error = await page.evaluate(x => x, a).catch(e => e);
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expect(error.message).toBe('Argument is a circular structure');
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});
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it('should accept same handle multiple times', async({page, server}) => {
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const foo = await page.evaluateHandle(() => 1);
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expect(await page.evaluate(x => x, { foo, bar: [foo], baz: { foo }})).toEqual({ foo: 1, bar: [1], baz: { foo: 1 } });
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});
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it('should accept same nested object multiple times', async({page, server}) => {
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const foo = { x: 1 };
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expect(await page.evaluate(x => x, { foo, bar: [foo], baz: { foo }})).toEqual({ foo: { x: 1 }, bar: [{ x : 1 }], baz: { foo: { x : 1 } } });
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});
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it('should accept object handle to unserializable value', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => Infinity);
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expect(await page.evaluate(e => Object.is(e, Infinity), aHandle)).toBe(true);
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});
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it('should pass configurable args', async({page, server}) => {
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const result = await page.evaluate(arg => {
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if (arg.foo !== 42)
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throw new Error('Not a 42');
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arg.foo = 17;
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if (arg.foo !== 17)
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throw new Error('Not 17');
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delete arg.foo;
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if (arg.foo === 17)
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throw new Error('Still 17');
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return arg;
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}, { foo: 42 });
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expect(result).toEqual({});
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});
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it('should use the same JS wrappers', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => {
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window.FOO = 123;
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return window;
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});
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expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
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});
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it('should work with primitives', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => {
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window.FOO = 123;
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return window;
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});
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expect(await page.evaluate(e => e.FOO, aHandle)).toBe(123);
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});
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});
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describe('JSHandle.getProperty', function() {
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it('should work', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => ({
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one: 1,
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two: 2,
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three: 3
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}));
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const twoHandle = await aHandle.getProperty('two');
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expect(await twoHandle.jsonValue()).toEqual(2);
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});
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it('should work with undefined, null, and empty', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => ({
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undefined: undefined,
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null: null,
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}));
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const undefinedHandle = await aHandle.getProperty('undefined');
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expect(String(await undefinedHandle.jsonValue())).toEqual('undefined');
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const nullHandle = await aHandle.getProperty('null');
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expect(await nullHandle.jsonValue()).toEqual(null);
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const emptyhandle = await aHandle.getProperty('empty');
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expect(String(await emptyhandle.jsonValue())).toEqual('undefined');
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})
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});
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describe('JSHandle.jsonValue', function() {
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it('should work', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => ({foo: 'bar'}));
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const json = await aHandle.jsonValue();
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expect(json).toEqual({foo: 'bar'});
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});
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it('should not work with dates', async({page, server}) => {
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const dateHandle = await page.evaluateHandle(() => new Date('2017-09-26T00:00:00.000Z'));
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const json = await dateHandle.jsonValue();
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expect(json).toEqual({});
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});
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it('should throw for circular objects', async({page, server}) => {
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const windowHandle = await page.evaluateHandle('window');
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let error = null;
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await windowHandle.jsonValue().catch(e => error = e);
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if (WEBKIT)
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expect(error.message).toContain('Object has too long reference chain');
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else if (CHROMIUM)
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expect(error.message).toContain('Object reference chain is too long');
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else if (FFOX)
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expect(error.message).toContain('Object is not serializable');
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});
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it('should work with tricky values', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => ({a: 1}));
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const json = await aHandle.jsonValue();
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expect(json).toEqual({a: 1});
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});
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});
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describe('JSHandle.getProperties', function() {
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it('should work', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => ({
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foo: 'bar'
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}));
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const properties = await aHandle.getProperties();
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const foo = properties.get('foo');
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expect(foo).toBeTruthy();
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expect(await foo.jsonValue()).toBe('bar');
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});
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it('should return empty map for non-objects', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => 123);
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const properties = await aHandle.getProperties();
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expect(properties.size).toBe(0);
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});
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it('should return even non-own properties', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => {
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class A {
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constructor() {
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this.a = '1';
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}
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}
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class B extends A {
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constructor() {
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super();
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this.b = '2';
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}
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}
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return new B();
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});
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const properties = await aHandle.getProperties();
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expect(await properties.get('a').jsonValue()).toBe('1');
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expect(await properties.get('b').jsonValue()).toBe('2');
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});
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});
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describe('JSHandle.asElement', function() {
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it('should work', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => document.body);
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const element = aHandle.asElement();
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expect(element).toBeTruthy();
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});
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it('should return null for non-elements', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => 2);
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const element = aHandle.asElement();
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expect(element).toBeFalsy();
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});
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it('should return ElementHandle for TextNodes', async({page, server}) => {
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await page.setContent('<div>ee!</div>');
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const aHandle = await page.evaluateHandle(() => document.querySelector('div').firstChild);
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const element = aHandle.asElement();
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expect(element).toBeTruthy();
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expect(await page.evaluate(e => e.nodeType === HTMLElement.TEXT_NODE, element)).toBeTruthy();
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});
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it('should work with nullified Node', async({page, server}) => {
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await page.setContent('<section>test</section>');
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await page.evaluate(() => delete Node);
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const handle = await page.evaluateHandle(() => document.querySelector('section'));
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const element = handle.asElement();
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expect(element).not.toBe(null);
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});
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});
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describe('JSHandle.toString', function() {
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it('should work for primitives', async({page, server}) => {
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const numberHandle = await page.evaluateHandle(() => 2);
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expect(numberHandle.toString()).toBe('JSHandle:2');
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const stringHandle = await page.evaluateHandle(() => 'a');
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expect(stringHandle.toString()).toBe('JSHandle:a');
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});
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it('should work for complicated objects', async({page, server}) => {
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const aHandle = await page.evaluateHandle(() => window);
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expect(aHandle.toString()).toBe('JSHandle@object');
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});
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it('should work for promises', async({page, server}) => {
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// wrap the promise in an object, otherwise we will await.
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const wrapperHandle = await page.evaluateHandle(() => ({b: Promise.resolve(123)}));
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const bHandle = await wrapperHandle.getProperty('b');
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expect(bHandle.toString()).toBe('JSHandle@promise');
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});
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it('should work with different subtypes', async({page, server}) => {
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expect((await page.evaluateHandle('(function(){})')).toString()).toBe('JSHandle@function');
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expect((await page.evaluateHandle('12')).toString()).toBe('JSHandle:12');
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expect((await page.evaluateHandle('true')).toString()).toBe('JSHandle:true');
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expect((await page.evaluateHandle('undefined')).toString()).toBe('JSHandle:undefined');
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expect((await page.evaluateHandle('"foo"')).toString()).toBe('JSHandle:foo');
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expect((await page.evaluateHandle('Symbol()')).toString()).toBe('JSHandle@symbol');
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expect((await page.evaluateHandle('new Map()')).toString()).toBe('JSHandle@map');
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expect((await page.evaluateHandle('new Set()')).toString()).toBe('JSHandle@set');
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expect((await page.evaluateHandle('[]')).toString()).toBe('JSHandle@array');
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expect((await page.evaluateHandle('null')).toString()).toBe('JSHandle:null');
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expect((await page.evaluateHandle('/foo/')).toString()).toBe('JSHandle@regexp');
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expect((await page.evaluateHandle('document.body')).toString()).toBe('JSHandle@node');
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expect((await page.evaluateHandle('new Date()')).toString()).toBe('JSHandle@date');
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expect((await page.evaluateHandle('new WeakMap()')).toString()).toBe('JSHandle@weakmap');
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expect((await page.evaluateHandle('new WeakSet()')).toString()).toBe('JSHandle@weakset');
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expect((await page.evaluateHandle('new Error()')).toString()).toBe('JSHandle@error');
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// TODO(yurys): change subtype from array to typedarray in WebKit.
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expect((await page.evaluateHandle('new Int32Array()')).toString()).toBe(WEBKIT ? 'JSHandle@array' : 'JSHandle@typedarray');
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expect((await page.evaluateHandle('new Proxy({}, {})')).toString()).toBe('JSHandle@proxy');
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});
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});
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};
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