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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

...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                }...

SelectorsRegisterTests

Using AI Code Generation

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[] {

SelectorsRegisterTests

Using AI Code Generation

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}

SelectorsRegisterTests

Using AI Code Generation

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    {

SelectorsRegisterTests

Using AI Code Generation

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        }

SelectorsRegisterTests

Using AI Code Generation

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}

SelectorsRegisterTests

Using AI Code Generation

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

SelectorsRegisterTests

Using AI Code Generation

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();

SelectorsRegisterTests

Using AI Code Generation

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();

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.