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

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

SelectorsRegisterTests.cs

Source:SelectorsRegisterTests.cs Github

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...26using NUnit.Framework;27namespace Microsoft.Playwright.Tests28{29 ///<playwright-file>selectors-register.spec.ts</playwright-file>30 public class SelectorsRegisterTests : PageTestEx31 {32 [PlaywrightTest("selectors-register.spec.ts", "should work")]33 public async Task ShouldWork()34 {35 const string createTagSelector = @"({36 create(root, target) {37 return target.nodeName;38 },39 query(root, selector) {40 return root.querySelector(selector);41 },42 queryAll(root, selector) {43 return Array.from(root.querySelectorAll(selector));44 }...

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SelectorsRegisterTests

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1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using Microsoft.Playwright.Tests.Attributes;4using Microsoft.Playwright.Tests.Helpers;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10using Xunit;11using Xunit.Abstractions;12{13 {14 public async Task ShouldThrowForRepeatedEngineNames()15 {16 await Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] { new SelectorMatch() }));17 var exception = await Assert.ThrowsAsync<PlaywrightException>(() => Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] { new SelectorMatch() })));18 Assert.Contains("has been already registered", exception.Message);19 }20 public async Task ShouldWork()21 {22 await Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] { new SelectorMatch() }));23 Assert.Equal(1, Page.Selectors.EngineCount);24 await Page.Selectors.UnregisterAsync("foo");25 Assert.Equal(0, Page.Selectors.EngineCount);26 }27 public async Task ShouldThrowForRepeatedEngineNames2()28 {29 await Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] { new SelectorMatch() }));30 var exception = await Assert.ThrowsAsync<PlaywrightException>(() => Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] { new SelectorMatch() })));31 Assert.Contains("has been already registered", exception.Message);32 }33 public async Task ShouldWork2()34 {35 await Page.Selectors.RegisterAsync("foo", () => new SelectorEngine("foo", () => new[] {

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.NUnit;3using NUnit.Framework;4{5 {6 [PlaywrightTest("selectors-register.spec.ts", "should register a selector")]7 [Test, Timeout(TestConstants.DefaultTestTimeout)]8 public async Task ShouldRegisterASelector()9 {10 await Page.Selectors.RegisterAsync("foo", (element, selector) => element.TagName == selector);11 await Page.SetContentAsync("<section>test</section>");12 Assert.AreEqual("SECTION", await Page.EvalOnSelectorAsync<string>("foo", "e => e.tagName"));13 }14 }15}

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2using NUnit.Framework;3using System.Threading.Tasks;4{5 [Parallelizable(ParallelScope.Self)]6 {7 public async Task ShouldWork()8 {9 await Page.Selectors.RegisterAsync("foo", (element, selector) => true);10 await Page.SetContentAsync("<div>bar</div>");11 Assert.NotNull(await Page.QuerySelectorAsync("foo"));12 }13 }14}15using Microsoft.Playwright.Tests;16using NUnit.Framework;17using System.Threading.Tasks;18{19 [Parallelizable(ParallelScope.Self)]20 {21 public async Task ShouldWork()22 {23 await Page.Selectors.RegisterAsync("foo", (element, selector) => true);24 await Page.Selectors.UnregisterAsync("foo");25 await Page.SetContentAsync("<div>bar</div>");26 Assert.Null(await Page.QuerySelectorAsync("foo"));27 }28 }29}30using Microsoft.Playwright.Tests;31using NUnit.Framework;32using System.Threading.Tasks;33{34 [Parallelizable(ParallelScope.Self)]35 {36 public async Task ShouldWork()37 {38 await Page.Selectors.RegisterAsync("foo", (element, selector) => true);39 await Page.Selectors.RegisterAsync("bar", (element, selector) => true);40 await Page.Selectors.UnregisterAllAsync();41 await Page.SetContentAsync("<div>bar</div>");42 Assert.Null(await Page.QuerySelectorAsync("foo"));43 Assert.Null(await Page.QuerySelectorAsync("bar"));44 }45 }46}47using Microsoft.Playwright.Tests;48using NUnit.Framework;49using System.Threading.Tasks;50{51 [Parallelizable(ParallelScope.Self)]52 {

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SelectorsRegisterTests

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using Microsoft.Playwright.Tests.Attributes;6using Microsoft.Playwright.Tests.BaseTests;7using Microsoft.Playwright.Tests.Helpers;8using Microsoft.Playwright.Tests.TestServer;9using Xunit;10using Xunit.Abstractions;11{12 [Trait("Category", "chromium")]13 [Trait("Category", "firefox")]14 [Trait("Category", "webkit")]15 {16 internal SelectorsRegisterTests(ITestOutputHelper output) : base(output)17 {18 }19 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]20 public async Task ShouldThrowWhenUsedWithUnknownEngine()21 {22 var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.QuerySelectorAsync("foo=bar"));23 Assert.Contains("Unknown engine \"foo\" while parsing selector foo=bar", exception.Message);24 }25 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]26 public async Task ShouldRegisterANewEngine()27 {28 {29 Query = (element, selector) => element.TagName == selector,30 QueryAll = (element, selector) => element.TagName == selector ? new[] { element } : Array.Empty<IElementHandle>()31 };32 await Page.Selectors.RegisterAsync(engine);33 Assert.NotNull(await Page.QuerySelectorAsync("foo=div"));34 Assert.Equal(1, await Page.QuerySelectorAllAsync("foo=div").CountAsync());35 }

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2using NUnit.Framework;3{4 {5 public async Task ShouldWork()6 {7 await Page.Selectors.RegisterAsync("foo", (element, selector) => Task.FromResult(element.TagName.ToLower() == selector));8 Assert.True(await Page.EvalOnSelectorAsync<bool>("foo", "foo"));9 Assert.False(await Page.EvalOnSelectorAsync<bool>("foo", "bar"));10 }11 }12}

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.Tests.Selectors;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9 {10 [PlaywrightTest("selectors-register.spec.ts", "should register")]11 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]12 public async Task ShouldRegister()13 {14 await Page.GotoAsync(Server.Prefix + "/playground.html");15 await Page.EvaluateAsync(@"() => {16 window['selector'] = {17 create(root, target) {18 return { root, target };19 },20 query(root, selector) {21 return root.querySelector(selector);22 },23 queryAll(root, selector) {24 return Array.from(root.querySelectorAll(selector));25 }26 };27 window['selector2'] = {28 create(root, target) {29 return { root, target };30 },31 query(root, selector) {32 return root.querySelector(selector);33 },34 queryAll(root, selector) {35 return Array.from(root.querySelectorAll(selector));36 }37 };38 }");39 await Page.Selectors.RegisterAsync("playground", "window['selector']");40 await Page.Selectors.RegisterAsync("playground2", "window['selector2']");41 var eHandle = await Page.EvaluateHandleAsync(@"() => {42 const div = document.createElement('div');43 div.id = 'foo';44 document.body.appendChild(div);45 return div;46 }");47 var handle = await Page.Selectors.EvalOnSelectorAsync("playground", "foo", eHandle);48 Assert.Equal("foo", await Page.EvaluateAsync<string>("e => e.id", handle));49 var arrayHandle = await Page.Selectors.EvalOnSelectorAllAsync("playground2", "div", eHandle);50 Assert.Equal(2, await Page.EvaluateAsync<int>("es => es.length", arrayHandle));51 }52 [PlaywrightTest("selectors-register.spec.ts", "should unregister")]53 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]54 public async Task ShouldUnregister()55 {56 await Page.GotoAsync(Server.Prefix + "/playground.html");57 await Page.EvaluateAsync(@"() => {58 window['selector'] = {59 create(root, target) {60 return { root, target };61 },62 query(root, selector

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2SelectorsRegisterTests test = new SelectorsRegisterTests();3test.SelectorsRegister();4using Microsoft.Playwright.Tests;5SelectorsRegisterTests test = new SelectorsRegisterTests();6test.SelectorsRegister();7using Microsoft.Playwright.Tests;8SelectorsRegisterTests test = new SelectorsRegisterTests();9test.SelectorsRegister();10using Microsoft.Playwright.Tests;11SelectorsRegisterTests test = new SelectorsRegisterTests();12test.SelectorsRegister();13using Microsoft.Playwright.Tests;14SelectorsRegisterTests test = new SelectorsRegisterTests();15test.SelectorsRegister();16using Microsoft.Playwright.Tests;17SelectorsRegisterTests test = new SelectorsRegisterTests();18test.SelectorsRegister();19using Microsoft.Playwright.Tests;20SelectorsRegisterTests test = new SelectorsRegisterTests();21test.SelectorsRegister();22using Microsoft.Playwright.Tests;23SelectorsRegisterTests test = new SelectorsRegisterTests();24test.SelectorsRegister();25using Microsoft.Playwright.Tests;26SelectorsRegisterTests test = new SelectorsRegisterTests();27test.SelectorsRegister();28using Microsoft.Playwright.Tests;29SelectorsRegisterTests test = new SelectorsRegisterTests();30test.SelectorsRegister();

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SelectorsRegisterTests

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1using Microsoft.Playwright.Tests;2SelectorsRegisterTests srt=new SelectorsRegisterTests();3srt.RegisterPageBinding();4using Microsoft.Playwright.Tests;5SelectorsRegisterTests srt=new SelectorsRegisterTests();6srt.RegisterEngine();7using Microsoft.Playwright.Tests;8SelectorsRegisterTests srt=new SelectorsRegisterTests();9srt.RegisterEngineWithScript();10using Microsoft.Playwright.Tests;11SelectorsRegisterTests srt=new SelectorsRegisterTests();12srt.RegisterEngineWithHandle();13using Microsoft.Playwright.Tests;14SelectorsRegisterTests srt=new SelectorsRegisterTests();15srt.RegisterEngineWithSelector();16using Microsoft.Playwright.Tests;17SelectorsRegisterTests srt=new SelectorsRegisterTests();18srt.RegisterEngineWithSelectorAndHandle();19using Microsoft.Playwright.Tests;20SelectorsRegisterTests srt=new SelectorsRegisterTests();21srt.RegisterEngineWithSelectorAndScript();22using Microsoft.Playwright.Tests;23SelectorsRegisterTests srt=new SelectorsRegisterTests();24srt.RegisterEngineWithSelectorAndHandleAndScript();25using Microsoft.Playwright.Tests;26SelectorsRegisterTests srt=new SelectorsRegisterTests();27srt.RegisterEngineWithSelectorAndHandleAndScriptAndOptions();28using Microsoft.Playwright.Tests;29SelectorsRegisterTests srt=new SelectorsRegisterTests();30srt.RegisterEngineWithSelectorAndHandleAndScriptAndOptionsAndName();31using Microsoft.Playwright.Tests;32SelectorsRegisterTests srt=new SelectorsRegisterTests();

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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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  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.
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  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.
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  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.
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