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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.
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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.
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