Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More

How to use ShouldRetrieveContentFromSubtree method of Microsoft.Playwright.Tests.ElementHandleEvalOnSelectorTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.ElementHandleEvalOnSelectorTests.ShouldRetrieveContentFromSubtree

ElementHandleEvalOnSelectorTests.cs

Source:ElementHandleEvalOnSelectorTests.cs

...36            string[] content = await tweet.EvalOnSelectorAllAsync<string[]>(".like", "nodes => nodes.map(n => n.innerText)");37            Assert.AreEqual(new[] { "100", "10" }, content);38        }39        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree for all")]40        public async Task ShouldRetrieveContentFromSubtreeForAll()41        {42            string htmlContent = "<div class=\"a\">not-a-child-div</div><div id=\"myId\"><div class=\"a\">a1-child-div</div><div class=\"a\">a2-child-div</div></div>";43            await Page.SetContentAsync(htmlContent);44            var elementHandle = await Page.QuerySelectorAsync("#myId");45            string[] content = await elementHandle.EvalOnSelectorAllAsync<string[]>(".a", "nodes => nodes.map(n => n.innerText)");46            Assert.AreEqual(new[] { "a1-child-div", "a2-child-div" }, content);47        }48        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should not throw in case of missing selector for all")]49        public async Task ShouldNotThrowInCaseOfMissingSelectorForAll()50        {51            string htmlContent = "<div class=\"a\">not-a-child-div</div><div id=\"myId\"></div>";52            await Page.SetContentAsync(htmlContent);53            var elementHandle = await Page.QuerySelectorAsync("#myId");54            int nodesLength = await elementHandle.EvalOnSelectorAllAsync<int>(".a", "nodes => nodes.length");55            Assert.AreEqual(0, nodesLength);56        }57        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should work")]58        public async Task ShouldWork()59        {60            await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");61            var tweet = await Page.QuerySelectorAsync(".tweet");62            string content = await tweet.EvalOnSelectorAsync<string>(".like", "node => node.innerText");63            Assert.AreEqual("100", content);64        }65        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]66        public async Task ShouldRetrieveContentFromSubtree()67        {68            string htmlContent = "<div class=\"a\">not-a-child-div</div><div id=\"myId\"><div class=\"a\">a-child-div</div></div>";69            await Page.SetContentAsync(htmlContent);70            var elementHandle = await Page.QuerySelectorAsync("#myId");71            string content = await elementHandle.EvalOnSelectorAsync<string>(".a", "node => node.innerText");72            Assert.AreEqual("a-child-div", content);73        }74        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should throw in case of missing selector")]75        public async Task ShouldThrowInCaseOfMissingSelector()76        {77            string htmlContent = "<div class=\"a\">not-a-child-div</div><div id=\"myId\"></div>";78            await Page.SetContentAsync(htmlContent);79            var elementHandle = await Page.QuerySelectorAsync("#myId");80            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => elementHandle.EvalOnSelectorAsync(".a", "node => node.innerText"));...

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1{2    [Parallelizable(ParallelScope.Self)]3    {4        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]5        [Test, Timeout(TestConstants.DefaultTestTimeout)]6        public async Task ShouldRetrieveContentFromSubtree()7        {8            await Page.SetContentAsync(@"9                </div>");10            var html = await Page.EvalOnSelectorAsync<string>("div#outer", @"e => e.querySelector('div#inner').innerText");11            Assert.AreEqual("A", html);12        }13    }14}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1{2    {3        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]4        [Fact(Timeout = TestConstants.DefaultTestTimeout)]5        public async Task ShouldRetrieveContentFromSubtree()6        {7            await Page.SetContentAsync(@"8        </div>");9            var second = await Page.QuerySelectorAsync(".second");10            var html = await second.EvalOnSelectorAsync<string>(".inner", "e => e.innerHTML");11            Assert.Equal("A", html);12        }13    }14}15{16    {17        public ElementHandleEvalOnSelectorTests(ITestOutputHelper output) : base(output)18        {19        }20    }21}22{23    {24        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should throw if no matching selector")]25        [Fact(Timeout = TestConstants.DefaultTestTimeout)]26        public async Task ShouldThrowIfNoMatchingSelector()27        {28            await Page.SetContentAsync(@"29        </div>");30            var second = await Page.QuerySelectorAsync(".second");31            var exception = await Assert.ThrowsAnyAsync<PlaywrightSharpException>(() => second.EvalOnSelectorAsync<string>(".third", "e => e.innerHTML"));32            Assert.Contains("failed to find element matching selector \".third\"", exception.Message);33        }34    }35}36{37    {38        public ElementHandleEvalOnSelectorTests(ITestOutputHelper output) : base(output)39        {40        }41    }42}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1{2    using System.Threading.Tasks;3    using Microsoft.Playwright.NUnit;4    using NUnit.Framework;5    {6        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]7        [Test, Timeout(TestConstants.DefaultTestTimeout)]8        public async Task ShouldRetrieveContentFromSubtree()9        {10            await Page.SetContentAsync(@"11            ");12            var html = await Page.QuerySelectorAsync("div").EvalOnSelectorAsync<string>("div", "node => node.textContent");13            Assert.AreEqual("inner", html);14        }15    }16}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Threading.Tasks;7    using Microsoft.Playwright;8    using Xunit;9    using Xunit.Abstractions;10    {11        public ElementHandleEvalOnSelectorTests(ITestOutputHelper output) : base(output)12        {13        }14        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]15        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]16        public async Task ShouldRetrieveContentFromSubtree()17        {18            await Page.SetContentAsync("<div>hello</div><div>beautiful</div><div>world!</div>");19            var divs = await Page.QuerySelectorAllAsync("div");20            var html = await divs[1].EvalOnSelectorAsync<string>("div", "div => div.textContent");21            Assert.Equal("world!", html);22        }23    }24}25{26    using System;27    using System.Collections.Generic;28    using System.Linq;29    using System.Text;30    using System.Threading.Tasks;31    using Microsoft.Playwright;32    using Xunit;33    using Xunit.Abstractions;34    {35        public ElementHandleEvalOnSelectorTests(ITestOutputHelper output) : base(output)36        {37        }38        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should throw when selector doesn't exist")]39        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]40        public async Task ShouldThrowWhenSelectorDoesntExist()41        {42            await Page.SetContentAsync("<div>hello</div>");43            var div = await Page.QuerySelectorAsync("div");44            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => div.EvalOnSelectorAsync<string>("section", "section => section.id"));45            Assert.Contains("failed to find element matching selector \"section\"", exception.Message);46        }47    }48}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        static void Main(string[] args)9        {10            Console.WriteLine("Hello, World!");11        }12    }13}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1{2    {3        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]4        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]5        public async Task ShouldRetrieveContentFromSubtree()6        {7            await Page.SetContentAsync(@"8            </div>");9            var html = await Page.EvalOnSelectorAsync<string>("div.second", @"e => e.querySelector('.inner').innerHTML");10            Assert.Equal("A", html);11        }12    }13}14{15    {16        [PlaywrightTest("elementhandle-eval-on-selector.spec.ts", "should retrieve content from subtree")]17        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]18        public async Task ShouldRetrieveContentFromSubtree()19        {20            await Page.SetContentAsync(@"21            </div>");22            var html = await Page.EvalOnSelectorAsync<string>("div.second", @"e => e.querySelector('.inner').innerHTML");23            Assert.Equal("A", html);24        }25    }26}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright.Tests;6using NUnit.Framework;7using NUnit.Framework.Interfaces;8using NUnit.Framework.Internal;9using NUnit.Framework.Internal.Commands;10{11    {12        public async Task ShouldRetrieveContentFromSubtree()13        {14            await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");15            var tweet = await Page.QuerySelectorAsync(".tweet");16            var content = await tweet.EvalOnSelectorAsync<string>(".like", "node => node.innerText");17            Assert.AreEqual("100", content);18        }19    }20}21using System;22using System.Collections.Generic;23using System.Text;24using System.Threading.Tasks;25using Microsoft.Playwright.Tests;26using NUnit.Framework;27using NUnit.Framework.Interfaces;28using NUnit.Framework.Internal;29using NUnit.Framework.Internal.Commands;30{31    {32        public async Task ShouldRetrieveContentFromSubtree()33        {34            await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");35            var tweet = await Page.QuerySelectorAsync(".tweet");36            var content = await tweet.EvalOnSelectorAllAsync<string>(".like", "nodes => nodes[0].innerText");37            Assert.AreEqual("100", content);38        }39    }40}41using System;42using System.Collections.Generic;43using System.Text;44using System.Threading.Tasks;45using Microsoft.Playwright.Tests;46using NUnit.Framework;47using NUnit.Framework.Interfaces;48using NUnit.Framework.Internal;49using NUnit.Framework.Internal.Commands;50{51    {

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7{8    {9        static async Task Main(string[] args)10        {11            using var playwright = await Playwright.CreateAsync();12            await using var browser = await playwright.Chromium.LaunchAsync();13            var page = await browser.NewPageAsync();14            var element = await page.QuerySelectorAsync("input[name='q']");15            var shouldRetrieveContentFromSubtree = await element.ShouldRetrieveContentFromSubtree();16            Console.WriteLine(shouldRetrieveContentFromSubtree);17        }18    }19}

ShouldRetrieveContentFromSubtree

Using AI Code Generation

1using System;2using System.IO;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Collections.Generic;7using Xunit;8using Microsoft.Playwright;9using Microsoft.Playwright.Tests;10using Microsoft.Playwright.Tests.Attributes;11using Microsoft.Playwright.Tests.BaseTests;12using Microsoft.Playwright.Tests.Helpers;13using Microsoft.Playwright.Transport.Channels;14using Microsoft.Playwright.Transport.Protocol;15using Microsoft.Playwright.Transport;16using Microsoft.Playwright.Core;17{18    public void ShouldRetrieveContentFromSubtree()19    {20    }21}

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.