How to use LocatorEvaluateTests class of Microsoft.Playwright.Tests.Locator package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.Locator.LocatorEvaluateTests

LocatorEvaluateTests.cs

Source:LocatorEvaluateTests.cs Github

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...24using System.Threading.Tasks;25using NUnit.Framework;26namespace Microsoft.Playwright.Tests.Locator27{28 public class LocatorEvaluateTests : PageTestEx29 {30 [PlaywrightTest("locator-element-handle.spec.ts", "should work")]31 public async Task ShouldWork()32 {33 await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");34 var tweet = Page.Locator(".tweet .like");35 var content = await tweet.EvaluateAsync<string>("node => node.innerText");36 Assert.AreEqual("100", content);37 }38 [PlaywrightTest("locator-element-handle.spec.ts", "should retrieve content from subtree")]39 public async Task ShouldRetrieveContentFromSubtree()40 {41 await Page.SetContentAsync("<div class=\"a\">not-a-child-div</div><div id=\"myId\"><div class=\"a\">a-child-div</div></div>");42 var elementHandle = Page.Locator("#myId .a");...

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LocatorEvaluateTests

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1using Microsoft.Playwright.Tests.Locator;2using NUnit.Framework;3{4 [Parallelizable(ParallelScope.Self)]5 {6 public LocatorEvaluateTests(ITestOutputHelper output) : base(output)7 {8 }9 public async Task ShouldAwaitAllPromises()10 {11 await Page.SetContentAsync(@"12 window['resolve'] = null;13 window['promise'] = new Promise(f => window['resolve'] = f);14 ");15 var divs = Page.QuerySelectorAllAsync("div");16 var jsHandle = await divs.EvaluateHandleAsync(@"divs => {17 var result = [];18 for (const div of divs)19 result.push(window['promise'].then(() => div));20 return result;21 }");22 var a = await jsHandle.GetPropertyAsync("length");23 Assert.AreEqual(3, await a.JsonValueAsync<i

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LocatorEvaluateTests

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1using Microsoft.Playwright.Tests.Locator;2using Microsoft.Playwright;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7 {8 public LocatorEvaluateTests(ITestOutputHelper output) : base(output)9 {10 }11 internal async Task LocatorEvaluatePageAsync()12 {13 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div><div class=\"third\"><div class=\"inner\">B</div></div></body></html>");14 var texts = await divs.EvaluateAllAsync<string>("divs => divs.map(div => div.textContent)");15 Assert.Equal(new[] { "A", "B" }, texts);16 }17 }18}19using Microsoft.Playwright.Tests.Locator;20using Microsoft.Playwright;21using System.Threading.Tasks;22using Xunit;23using Xunit.Abstractions;24{25 {26 public LocatorEvaluateHandleTests(ITestOutputHelper output) : base(output)27 {28 }29 internal async Task LocatorEvaluateHandlePageAsync()30 {31 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div><div class=\"third\"><div class=\"inner\">B</div></div></body></html>");32 var aHandle = await divs.EvaluateHandleAsync("divs => divs[0]");33 Assert.Equal("A", await aHandle.EvaluateAsync<string>("e => e.textContent"));34 }35 }36}37using Microsoft.Playwright.Tests.Locator;38using Microsoft.Playwright;39using System.Threading.Tasks;40using Xunit;41using Xunit.Abstractions;42{43 {44 public LocatorFillTests(ITestOutputHelper output) : base(output)

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LocatorEvaluateTests

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1using Microsoft.Playwright.Tests.Locator;2using Microsoft.Playwright.Tests.Locator.EvaluateTests;3using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateHandleTests;4using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests;5using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateHandleTests;6using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests;7using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;8using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;9using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;10using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;11using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;12using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;13using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;14using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;15using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;16using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;17using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;18using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;19using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;20using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;21using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;22using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests;23using Microsoft.Playwright.Tests.Locator.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateTests.EvaluateHandleTests;

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LocatorEvaluateTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright.Tests.Locator;7using NUnit.Framework;8using NUnit.Framework.Interfaces;9using NUnit.Framework.Internal;10{11 {12 [Test, Timeout(TestConstants.DefaultTestTimeout)]13 public async Task ShouldAcceptElementHandleAsAnArgument()14 {15 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div></body></html>");16 var html = await Page.QuerySelectorAsync("html");17 var second = await Page.QuerySelectorAsync(".second");18 var text = await second.EvaluateAsync<string>("e => e.firstChild.textContent", html);19 Assert.AreEqual("A", text);20 }21 }22}23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28using Microsoft.Playwright.Tests.Locator;29using NUnit.Framework;30using NUnit.Framework.Interfaces;31using NUnit.Framework.Internal;32{33 {34 [Test, Timeout(TestConstants.DefaultTestTimeout)]35 public async Task ShouldAcceptElementHandleAsAnArgumentHandleForPrimitives()36 {37 var divHandle = await Page.EvaluateHandleAsync("() => document.createElement('div')");38 var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvaluateAsync<string>("e => e.textContent", divHandle));39 StringAssert.Contains("Argument is not a HTMLElement", exception.Message);40 }41 }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48using Microsoft.Playwright.Tests.Locator;49using NUnit.Framework;50using NUnit.Framework.Interfaces;51using NUnit.Framework.Internal;52{53 {54 [Test, Timeout(TestConstants.DefaultTestTimeout)]

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LocatorEvaluateTests

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1using Microsoft.Playwright.Tests.Locator;2using Microsoft.Playwright; 3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7 {8 public LocatorEvaluateTests(ITestOutputHelper output) : base(output)9 {10 }11 public async Task LocatorShouldSupportEvaluateHandle()12 {13 await Page.SetContentAsync(@"<html><body><div class=""second""></div></body></html>");14 var divHandle = await Page.QuerySelectorAsync("html");15 var html = await divHandle.EvaluateHandleAsync(@"e => e");16 Assert.Equal("HTML", await html.GetAttributeAsync("nodeName"));17 }18 }19}20using Microsoft.Playwright.Tests.Locator;21using Microsoft.Playwright; 22using System.Threading.Tasks;23using Xunit;24using Xunit.Abstractions;25{26 {27 public LocatorEvaluateTests(ITestOutputHelper output) : base(output)28 {29 }30 public async Task LocatorShouldSupportEvaluateHandle()31 {32 await Page.SetContentAsync(@"<html><body><div class=""second""></div></body></html>");33 var divHandle = await Page.QuerySelectorAsync("html");34 var html = await divHandle.EvaluateHandleAsync(@"e => e");35 Assert.Equal("HTML", await html.GetAttributeAsync("nodeName"));36 }37 }38}39using Microsoft.Playwright.Tests.Locator;40using Microsoft.Playwright; 41using System.Threading.Tasks;42using Xunit;43using Xunit.Abstractions;44{45 {46 public LocatorEvaluateTests(ITestOutputHelper output) : base(output)47 {48 }49 public async Task LocatorShouldSupportEvaluateHandle()50 {51 await Page.SetContentAsync(@"<html><body><div class=""second""></div></body></html>");52 var divHandle = await Page.QuerySelectorAsync("html");53 var html = await divHandle.EvaluateHandleAsync(@"e => e");54 Assert.Equal("HTML", await html.GetAttributeAsync("nodeName

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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.

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  1. 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.
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  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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