mirror of
https://github.com/microsoft/playwright.git
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288 lines
9.1 KiB
TypeScript
288 lines
9.1 KiB
TypeScript
/**
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* Copyright 2017 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 { test as it, expect } from './pageTest';
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import type { ElementHandle } from 'playwright-core';
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it('exposeBinding should work @smoke', async ({ page }) => {
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let bindingSource;
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await page.exposeBinding('add', (source, a, b) => {
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bindingSource = source;
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return a + b;
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});
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const result = await page.evaluate(async function() {
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return window['add'](5, 6);
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});
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expect(bindingSource.context).toBe(page.context());
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expect(bindingSource.page).toBe(page);
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expect(bindingSource.frame).toBe(page.mainFrame());
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expect(result).toEqual(11);
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});
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it('should work', async ({ page, server }) => {
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await page.exposeFunction('compute', function(a, b) {
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return a * b;
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});
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const result = await page.evaluate(async function() {
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return await window['compute'](9, 4);
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});
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expect(result).toBe(36);
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});
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it('should work with handles and complex objects', async ({ page, server }) => {
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const fooHandle = await page.evaluateHandle(() => {
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window['fooValue'] = { bar: 2 };
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return window['fooValue'];
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});
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await page.exposeFunction('handle', () => {
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return [{ foo: fooHandle }];
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});
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const equals = await page.evaluate(async function() {
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const value = await window['handle']();
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const [{ foo }] = value;
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return foo === window['fooValue'];
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});
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expect(equals).toBe(true);
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});
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it('should throw exception in page context', async ({ page, server }) => {
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await page.exposeFunction('woof', function() {
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throw new Error('WOOF WOOF');
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});
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const { message, stack } = await page.evaluate(async () => {
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try {
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await window['woof']();
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} catch (e) {
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return { message: e.message, stack: e.stack };
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}
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});
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expect(message).toBe('WOOF WOOF');
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expect(stack).toContain(__filename);
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});
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it('should support throwing "null"', async ({ page, server }) => {
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await page.exposeFunction('woof', function() {
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throw null;
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});
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const thrown = await page.evaluate(async () => {
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try {
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await window['woof']();
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} catch (e) {
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return e;
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}
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});
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expect(thrown).toBe(null);
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});
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it('should be callable from-inside addInitScript', async ({ page, server }) => {
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let called = false;
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await page.exposeFunction('woof', function() {
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called = true;
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});
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await page.addInitScript(() => window['woof']());
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await page.reload();
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expect(called).toBe(true);
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});
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it('should survive navigation', async ({ page, server }) => {
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await page.exposeFunction('compute', function(a, b) {
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return a * b;
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});
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await page.goto(server.EMPTY_PAGE);
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const result = await page.evaluate(async function() {
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return await window['compute'](9, 4);
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});
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expect(result).toBe(36);
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});
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it('should await returned promise', async ({ page, server }) => {
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await page.exposeFunction('compute', function(a, b) {
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return Promise.resolve(a * b);
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});
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const result = await page.evaluate(async function() {
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return await window['compute'](3, 5);
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});
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expect(result).toBe(15);
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});
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it('should work on frames', async ({ page, server }) => {
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await page.exposeFunction('compute', function(a, b) {
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return Promise.resolve(a * b);
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});
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await page.goto(server.PREFIX + '/frames/nested-frames.html');
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const frame = page.frames()[1];
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const result = await frame.evaluate(async function() {
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return await window['compute'](3, 5);
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});
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expect(result).toBe(15);
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});
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it('should work on frames before navigation', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/frames/nested-frames.html');
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await page.exposeFunction('compute', function(a, b) {
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return Promise.resolve(a * b);
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});
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const frame = page.frames()[1];
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const result = await frame.evaluate(async function() {
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return await window['compute'](3, 5);
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});
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expect(result).toBe(15);
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});
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it('should work after cross origin navigation', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.exposeFunction('compute', function(a, b) {
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return a * b;
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});
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await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
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const result = await page.evaluate(async function() {
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return await window['compute'](9, 4);
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});
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expect(result).toBe(36);
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});
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it('should work with complex objects', async ({ page, server }) => {
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await page.exposeFunction('complexObject', function(a, b) {
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return { x: a.x + b.x };
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});
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const result = await page.evaluate(async () => window['complexObject']({ x: 5 }, { x: 2 }));
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expect(result.x).toBe(7);
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});
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it('exposeBindingHandle should work', async ({ page }) => {
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let target;
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await page.exposeBinding('logme', (source, t) => {
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target = t;
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return 17;
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}, { handle: true });
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const result = await page.evaluate(async function() {
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return window['logme']({ foo: 42 });
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});
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expect(await target.evaluate(x => x.foo)).toBe(42);
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expect(result).toEqual(17);
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});
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it('exposeBindingHandle should not throw during navigation', async ({ page, server }) => {
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await page.exposeBinding('logme', (source, t) => {
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return 17;
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}, { handle: true });
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await page.goto(server.EMPTY_PAGE);
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await Promise.all([
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page.evaluate(async url => {
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window['logme']({ foo: 42 });
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window.location.href = url;
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}, server.PREFIX + '/one-style.html'),
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page.waitForNavigation({ waitUntil: 'load' }),
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]);
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});
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it('should throw for duplicate registrations', async ({ page }) => {
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await page.exposeFunction('foo', () => {});
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const error = await page.exposeFunction('foo', () => {}).catch(e => e);
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expect(error.message).toContain('page.exposeFunction: Function "foo" has been already registered');
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});
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it('exposeBindingHandle should throw for multiple arguments', async ({ page }) => {
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await page.exposeBinding('logme', (source, t) => {
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return 17;
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}, { handle: true });
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expect(await page.evaluate(async function() {
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return window['logme']({ foo: 42 });
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})).toBe(17);
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expect(await page.evaluate(async function() {
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return window['logme']({ foo: 42 }, undefined, undefined);
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})).toBe(17);
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expect(await page.evaluate(async function() {
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return window['logme'](undefined, undefined, undefined);
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})).toBe(17);
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const error = await page.evaluate(async function() {
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return window['logme'](1, 2);
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}).catch(e => e);
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expect(error.message).toContain('exposeBindingHandle supports a single argument, 2 received');
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});
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it('should not result in unhandled rejection', async ({ page, isAndroid, isWebView2 }) => {
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it.fixme(isAndroid);
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it.skip(isWebView2, 'Page.close() is not supported in WebView2');
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const closedPromise = page.waitForEvent('close');
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await page.exposeFunction('foo', async () => {
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await page.close();
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});
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await page.evaluate(() => {
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setTimeout(() => (window as any).foo(), 0);
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return undefined;
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});
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await closedPromise;
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// Make a round-trip to be sure we did not throw immediately after closing.
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expect(await page.evaluate('1 + 1').catch(e => e)).toBeInstanceOf(Error);
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});
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it('exposeBinding(handle) should work with element handles', async ({ page }) => {
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let cb;
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const promise = new Promise(f => cb = f);
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await page.exposeBinding('clicked', async (source, element: ElementHandle) => {
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cb(await element.innerText().catch(e => e));
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}, { handle: true });
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await page.goto('about:blank');
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await page.setContent(`
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<script>
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document.addEventListener('click', event => window.clicked(event.target));
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</script>
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<div id="a1">Click me</div>
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`);
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await page.click('#a1');
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expect(await promise).toBe('Click me');
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});
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it('should work with setContent', async ({ page, server }) => {
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await page.exposeFunction('compute', function(a, b) {
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return Promise.resolve(a * b);
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});
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await page.setContent('<script>window.result = compute(3, 2)</script>');
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expect(await page.evaluate('window.result')).toBe(6);
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});
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it('should alias Window, Document and Node', async ({ page }) => {
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let object: any;
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await page.exposeBinding('log', (source, obj) => object = obj);
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await page.evaluate('window.log([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 serialize cycles', async ({ page }) => {
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let object: any;
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await page.exposeBinding('log', (source, obj) => object = obj);
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await page.evaluate('const a = {}; a.b = a; window.log(a)');
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const a: any = {};
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a.b = a;
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expect(object).toEqual(a);
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});
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it('should work with overridden console object', async ({ page }) => {
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await page.evaluate(() => window.console = null);
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expect(page.evaluate(() => window.console === null)).toBeTruthy();
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await page.exposeFunction('add', (a, b) => a + b);
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expect(await page.evaluate('add(5, 6)')).toBe(11);
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});
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