Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Use Code: LCMYEARENDEXCL30

Copied to Clipboard!

How to use PageEvaluateOnNewDocumentTests class of PuppeteerSharp.Tests.EvaluationTests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.EvaluationTests.PageEvaluateOnNewDocumentTests

PageEvaluateOnNewDocumentTests.cs

Source:PageEvaluateOnNewDocumentTests.cs

...9using Xunit.Abstractions;10namespace PuppeteerSharp.Tests.EvaluationTests11{12    [Collection(TestConstants.TestFixtureCollectionName)]13    public class PageEvaluateOnNewDocumentTests : PuppeteerPageBaseTest14    {15        public PageEvaluateOnNewDocumentTests(ITestOutputHelper output) : base(output)16        {17        }18        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should evaluate before anything else on the page")]19        [SkipBrowserFact(skipFirefox: true)]20        public async Task ShouldEvaluateBeforeAnythingElseOnThePage()21        {22            await Page.EvaluateFunctionOnNewDocumentAsync(@"function(){23                window.injected = 123;24            }");25            await Page.GoToAsync(TestConstants.ServerUrl + "/tamperable.html");26            Assert.Equal(123, await Page.EvaluateExpressionAsync<int>("window.result"));27        }28        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should work with CSP")]29        [SkipBrowserFact(skipFirefox: true)]...

PageEvaluateOnNewDocumentTests

Using AI Code Generation

1using PuppeteerSharp.Tests.EvaluationTests;2using System;3using System.Threading.Tasks;4{5    {6        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should have different execution contexts")]7        public async Task ShouldHaveDifferentExecutionContexts()8        {9            await Page.GoToAsync(TestConstants.ServerUrl + "/tamperable.html");10            await Page.EvaluateOnNewDocumentAsync("() => window['injected'] = 123");11            Assert.Equal(123, await Page.EvaluateExpressionAsync<int>("window['result']"));12            Assert.Equal(123, await Page.EvaluateExpressionAsync<int>("injected"));13        }14    }15}16using PuppeteerSharp.Tests.EvaluationTests;17using System;18using System.Threading.Tasks;19{20    {21        [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should work")]22        public async Task ShouldWork()23        {24            var result = await Page.EvaluateExpressionAsync<int>("7 * 3");25            Assert.Equal(21, result);26        }27        [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should transfer NaN")]28        public async Task ShouldTransferNaN()29        {30            var result = await Page.EvaluateExpressionAsync<double>("NaN");31            Assert.True(double.IsNaN(result));32        }33        [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should transfer -0")]34        public async Task ShouldTransferNegative0()35        {36            var result = await Page.EvaluateExpressionAsync<double>("-0");37            Assert.Equal(-0, result);38        }39        [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should transfer Infinity")]40        public async Task ShouldTransferInfinity()41        {42            var result = await Page.EvaluateExpressionAsync<double>("Infinity");43            Assert.Equal(double.PositiveInfinity, result);44        }45        [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should transfer -Infinity")]

PageEvaluateOnNewDocumentTests

Using AI Code Generation

1using PuppeteerSharp.Tests.EvaluationTests;2using PuppeteerSharp.Tests.EvaluationTests;3using PuppeteerSharp.Tests.EvaluationTests;4using PuppeteerSharp.Tests.EvaluationTests;5using PuppeteerSharp.Tests.EvaluationTests;6using PuppeteerSharp.Tests.EvaluationTests;7using PuppeteerSharp.Tests.EvaluationTests;8using PuppeteerSharp.Tests.EvaluationTests;9using PuppeteerSharp.Tests.EvaluationTests;10using PuppeteerSharp.Tests.EvaluationTests;11using PuppeteerSharp.Tests.EvaluationTests;12using PuppeteerSharp.Tests.EvaluationTests;13using PuppeteerSharp.Tests.EvaluationTests;14using PuppeteerSharp.Tests.EvaluationTests;15using PuppeteerSharp.Tests.EvaluationTests;16using PuppeteerSharp.Tests.EvaluationTests;17using PuppeteerSharp.Tests.EvaluationTests;18using PuppeteerSharp.Tests.EvaluationTests;

PageEvaluateOnNewDocumentTests

Using AI Code Generation

1using PuppeteerSharp.Tests.EvaluationTests;2using PuppeteerSharp.Tests.EvaluationTests;3using PuppeteerSharp.Tests.EvaluationTests;4using PuppeteerSharp.Tests.EvaluationTests;5using PuppeteerSharp.Tests.EvaluationTests;6using PuppeteerSharp.Tests.EvaluationTests;7using PuppeteerSharp.Tests.EvaluationTests;8using PuppeteerSharp.Tests.EvaluationTests;9using PuppeteerSharp.Tests.EvaluationTests;10using PuppeteerSharp.Tests.EvaluationTests;11using PuppeteerSharp.Tests.EvaluationTests;12using PuppeteerSharp.Tests.EvaluationTests;

PageEvaluateOnNewDocumentTests

Using AI Code Generation

1var result = await Page.EvaluateFunctionAsync<string>("() => { return document.location.href; }");2Console.WriteLine(result);3await Page.GoToAsync(TestConstants.EmptyPage);4var result = await Page.EvaluateFunctionAsync<string>("() => { return document.location.href; }");5Console.WriteLine(result);6await Page.GoToAsync(TestConstants.EmptyPage);7await Page.EvaluateOnNewDocumentAsync("() => { window.injected = 123; }");8var result = await Page.EvaluateFunctionAsync<string>("() => { return injected; }");9Console.WriteLine(result);10await Page.GoToAsync(TestConstants.EmptyPage);11await Page.EvaluateOnNewDocumentAsync("() => { window.injected = 123; }");12await Page.ReloadAsync();13var result = await Page.EvaluateFunctionAsync<string>("() => { return injected; }");14Console.WriteLine(result);15await Page.GoToAsync(TestConstants.EmptyPage);16await Page.EvaluateOnNewDocumentAsync("() => { window.injected = 123; }");17await Page.GoToAsync(TestConstants.EmptyPage);18var result = await Page.EvaluateFunctionAsync<string>("() => { return injected; }");19Console.WriteLine(result);20await Page.GoToAsync(TestConstants.EmptyPage);21await Page.EvaluateOnNewDocumentAsync("() => { window.injected = 123; }");22await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");23var result = await Page.EvaluateFunctionAsync<string>("() => { return injected; }");24Console.WriteLine(result);25await Page.GoToAsync(TestConstants.EmptyPage);26await Page.EvaluateOnNewDocumentAsync("() => { window.injected = 123; }");27await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");28await Page.ReloadAsync();29var result = await Page.EvaluateFunctionAsync<string>("() => { return injected; }");30Console.WriteLine(result);

PageEvaluateOnNewDocumentTests

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7using PuppeteerSharp.Tests.EvaluationTests;8{9    {10        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should work")]11        public async Task ShouldWork()12        {13            await Page.EvaluateOnNewDocumentAsync("function() { window.injected = 123; }");14            await Page.GoToAsync(TestConstants.EmptyPage);15            Assert.Equal("123", await Page.EvaluateExpressionAsync<string>("window.injected"));16        }17        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should work with arguments")]18        public async Task ShouldWorkWithArguments()19        {20            await Page.EvaluateOnNewDocumentAsync("function(a, b) { window.injected = a + b; }", 1, 2);21            await Page.GoToAsync(TestConstants.EmptyPage);22            Assert.Equal("3", await Page.EvaluateExpressionAsync<string>("window.injected"));23        }24        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should work with ElementHandles")]25        public async Task ShouldWorkWithElementHandles()26        {27            await Page.EvaluateOnNewDocumentAsync(@"function(element) {28                window.injected = document.createElement('div');29                element.appendChild(window.injected);30            }", await Page.EvaluateHandleAsync("() => document.body"));31            await Page.GoToAsync(TestConstants.EmptyPage);32            Assert.NotNull(await Page.EvaluateExpressionAsync<ElementHandle>("window.injected"));33        }34        [PuppeteerTest("evaluation.spec.ts", "Page.evaluateOnNewDocument", "should throw an error if evaluation triggers reload")]35        public async Task ShouldThrowAnErrorIfEvaluationTriggersReload()36        {37            var exception = await Assert.ThrowsAsync<Exception>(async () => await Page.EvaluateOnNewDocumentAsync("() => { window.location.reload(); }"));38            Assert.Contains("Protocol error", exception

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Puppeteer-sharp automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

View sample repo

View Documentation Sign up Free

Most used methods in PageEvaluateOnNewDocumentTests

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Sign up with Google Sign up with Email

Next-Gen App & Browser Testing Cloud

Was this article helpful?