How to use JSHandleToStringTests class of Microsoft.Playwright.Tests package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.JSHandleToStringTests

JSHandleToStringTests.cs

Source:JSHandleToStringTests.cs Github

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...24using System.Threading.Tasks;25using NUnit.Framework;26namespace Microsoft.Playwright.Tests27{28 public class JSHandleToStringTests : PageTestEx29 {30 [PlaywrightTest("jshandle-to-string.spec.ts", "should work for primitives")]31 public async Task ShouldWorkForPrimitives()32 {33 var numberHandle = await Page.EvaluateHandleAsync("() => 2");34 Assert.AreEqual("2", numberHandle.ToString());35 var stringHandle = await Page.EvaluateHandleAsync("() => 'a'");36 Assert.AreEqual("a", stringHandle.ToString());37 }38 [PlaywrightTest("jshandle-to-string.spec.ts", "should work for complicated objects")]39 public async Task ShouldWorkForComplicatedObjects()40 {41 var aHandle = await Page.EvaluateHandleAsync("() => window");42 if (TestConstants.IsFirefox)...

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JSHandleToStringTests

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using Microsoft.Playwright.Transport.Channels;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });12 var page = await browser.NewPageAsync();13 var search = await page.QuerySelectorAsync("input[type='search']");14 await search.TypeAsync("Playwright");15 await page.PressAsync("input[type='search']", "Enter");16 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);17 var result = await page.QuerySelectorAsync("h2>a");18 var title = await result.TextContentAsync();19 Console.WriteLine(title);20 Console.WriteLine("Hello World!");21 }22 }23}24using System;25using System.Threading.Tasks;26using Microsoft.Playwright;27using Microsoft.Playwright.Tests;28using Microsoft.Playwright.Transport.Channels;29{30 {31 static async Task Main(string[] args)32 {33 using var playwright = await Playwright.CreateAsync();34 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });35 var page = await browser.NewPageAsync();36 var search = await page.QuerySelectorAsync("input[type='search']");37 await search.TypeAsync("Playwright");38 await page.PressAsync("input[type='search']", "Enter");39 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);40 var result = await page.QuerySelectorAsync("h2>a");41 var title = await result.TextContentAsync();42 Console.WriteLine(title);43 Console.WriteLine("Hello World!");44 }45 }46}47using System;48using System.Threading.Tasks;49using Microsoft.Playwright;50using Microsoft.Playwright.Tests;51using Microsoft.Playwright.Transport.Channels;52{53 {54 static async Task Main(string[] args)

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JSHandleToStringTests

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1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 await page.WaitForLoadStateAsync();15 var userAgent = await page.EvaluateAsync<string>("() => navigator.userAgent");16 Console.WriteLine(userAgent);17 await page.CloseAsync();18 }19 }20}21Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36

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JSHandleToStringTests

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1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.Tests.BaseTests;3using Microsoft.Playwright.Tests.Helpers;4using Microsoft.Playwright.Tests.TestServer;5using Microsoft.Playwright.Tests.TestServer.Controllers;6using Microsoft.Playwright.Tests.TestServer.Models;7using NUnit.Framework;8using System;9using System.Collections.Generic;10using System.Linq;11using System.Text;12using System.Threading.Tasks;13{14 [Parallelizable(ParallelScope.Self)]15 {16 public async Task ShouldWorkWithElementHandle()17 {18 await Page.SetContentAsync("<section>test</section>");19 var element = await Page.QuerySelectorAsync("section");20 var jsHandle = (IJSHandle)element;21 Assert.AreEqual("JSHandle@section", await jsHandle.ToStringAsync());22 }23 public async Task ShouldWorkWithArrayHandle()24 {25 var arrayHandle = await Page.EvaluateHandleAsync("() => [1, 2, 3]");26 Assert.AreEqual("JSHandle@[object Array]", await arrayHandle.ToStringAsync());27 }28 public async Task ShouldWorkWithFunctionHandle()29 {30 var functionHandle = await Page.EvaluateHandleAsync("() => window.open('about:blank')");31 Assert.AreEqual("JSHandle@function", await functionHandle.ToStringAsync());32 }33 }34}35using Microsoft.Playwright.Tests;36using Microsoft.Playwright.Tests.BaseTests;37using Microsoft.Playwright.Tests.Helpers;38using Microsoft.Playwright.Tests.TestServer;39using Microsoft.Playwright.Tests.TestServer.Controllers;40using Microsoft.Playwright.Tests.TestServer.Models;41using NUnit.Framework;42using System;43using System.Collections.Generic;44using System.Linq;45using System.Text;46using System.Threading.Tasks;47{48 [Parallelizable(ParallelScope.Self)]49 {50 public async Task ShouldWorkWithElementHandle()51 {52 await Page.SetContentAsync("<section>test</section>");53 var element = await Page.QuerySelectorAsync("section");54 var jsHandle = (IJSHandle)element;55 Assert.AreEqual("JSHandle@section", await jsHandle.ToStringAsync());56 }

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JSHandleToStringTests

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1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new JSHandleToStringTests().ShouldWork();9 }10 }11}12using Microsoft.Playwright.Tests;13using System;14using System.Threading.Tasks;15{16 {17 static async Task Main(string[] args)18 {19 await new JSHandleToStringTests().ShouldWork();20 }21 }22}23using Microsoft.Playwright.Tests;24using System;25using System.Threading.Tasks;26{27 {28 static async Task Main(string[] args)29 {30 await new JSHandleToStringTests().ShouldWork();31 }32 }33}

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JSHandleToStringTests

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Tests;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await BrowserType.LaunchAsync(new BrowserTypeLaunchOptions {9 });10 var context = await browser.NewContextAsync();11 var page = await context.NewPageAsync();12 var jsHandleToStringTests = new JSHandleToStringTests(page);13 await jsHandleToStringTests.ShouldWork();14 await browser.CloseAsync();15 }16 }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright.Tests;21{22 {23 static async Task Main(string[] args)24 {25 var browser = await BrowserType.LaunchAsync(new BrowserTypeLaunchOptions {26 });27 var context = await browser.NewContextAsync();28 var page = await context.NewPageAsync();29 var jsHandleToStringTests = new JSHandleToStringTests(page);30 await jsHandleToStringTests.ShouldThrowError();31 await browser.CloseAsync();32 }33 }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright.Tests;38{39 {40 static async Task Main(string[] args)41 {42 var browser = await BrowserType.LaunchAsync(new BrowserTypeLaunchOptions {43 });44 var context = await browser.NewContextAsync();45 var page = await context.NewPageAsync();46 var jsHandleToStringTests = new JSHandleToStringTests(page);47 await jsHandleToStringTests.ShouldWorkWithWindowHandle();48 await browser.CloseAsync();49 }50 }51}52using System;53using System.Threading.Tasks;54using Microsoft.Playwright.Tests;55{56 {57 static async Task Main(string[] args)58 {59 var browser = await BrowserType.LaunchAsync(new BrowserTypeLaunchOptions {

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JSHandleToStringTests

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1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using Microsoft.Playwright.Tests.BaseTests;4using NUnit.Framework;5using System.Threading.Tasks;6{7 {8 public async Task JSHandleToStringTests()9 {10 await Page.GoToAsync(TestConstants.ServerUrl + "/global-var.html");11 var handle = await Page.EvaluateHandleAsync("globalVar");12 var toString = await handle.ToStringAsync();13 Assert.AreEqual("JSHandle@globalVar", toString);14 }15 }16}17using Microsoft.Playwright;18using Microsoft.Playwright.Tests;19using Microsoft.Playwright.Tests.BaseTests;20using NUnit.Framework;21using System.Threading.Tasks;22{23 {24 public async Task JSHandleAsElementTests()25 {26 await Page.GoToAsync(TestConstants.ServerUrl + "/dom.html");27 var handle = await Page.EvaluateHandleAsync("document.body");28 var element = await handle.AsElementAsync();29 Assert.NotNull(element);30 }31 }32}33using Microsoft.Playwright;34using Microsoft.Playwright.Tests;35using Microsoft.Playwright.Tests.BaseTests;36using NUnit.Framework;37using System.Threading.Tasks;38{39 {40 public async Task JSHandleAsElementThrowsTests()41 {42 await Page.GoToAsync(TestConstants.ServerUrl + "/dom.html");43 var handle = await Page.EvaluateHandleAsync("() => 2");44 var exception = Assert.ThrowsAsync<PlaywrightException>(async () => await handle.AsElementAsync());45 Assert.AreEqual("JSHandle is not referencing a DOM element", exception.Message);46 }47 }48}49using Microsoft.Playwright;50using Microsoft.Playwright.Tests;51using Microsoft.Playwright.Tests.BaseTests;52using NUnit.Framework;53using System.Threading.Tasks;54{55 {

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JSHandleToStringTests

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using NUnit.Framework;9{10 {11 static async Task Main(string[] args)12 {13 using var playwright = await Playwright.CreateAsync();14 using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions15 {16 });17 var page = await browser.NewPageAsync();18 var element = await page.EvaluateHandleAsync("document.querySelector('input')");19 var test = new JSHandleToStringTests();20 await test.JSHandleShouldWorkWithElementHandle(page, element);21 Console.ReadLine();22 }23 }24}

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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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