KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use ShouldSelectSingleOption method of Microsoft.Playwright.Tests.ElementHandleMiscTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.ElementHandleMiscTests.ShouldSelectSingleOption

ElementHandleMiscTests.cs

Source:ElementHandleMiscTests.cs

...87            await button.FocusAsync();88            Assert.True(await button.EvaluateAsync<bool?>("button => document.activeElement === button"));89        }90        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]91        public async Task ShouldSelectSingleOption()92        {93            await Page.GotoAsync(Server.Prefix + "/input/select.html");94            var select = await Page.QuerySelectorAsync("select");95            await select.SelectOptionAsync("blue");96            Assert.AreEqual(new[] { "blue" }, await Page.EvaluateAsync<string[]>("() => result.onInput"));97            Assert.AreEqual(new[] { "blue" }, await Page.EvaluateAsync<string[]>("() => result.onChange"));98        }99        [PlaywrightTest("elementhandle-misc.spec.ts", "should check the box using setChecked")]100        public async Task ShouldCheckTheBoxUsingSetChecked()101        {102            await Page.SetContentAsync("<input id='checkbox' type='checkbox'></input>");103            var input = await Page.QuerySelectorAsync("input");104            await input.SetCheckedAsync(true);105            Assert.IsTrue(await Page.EvaluateAsync<bool>("checkbox.checked"));...

ShouldSelectSingleOption

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using PlaywrightSharp;7    using Xunit;8    using Xunit.Abstractions;9    [Trait("Category", "firefox")]10    {11        internal ElementHandleMiscTests(ITestOutputHelper output) : base(output)12        {13        }14        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]15        public async Task ShouldSelectSingleOption()16        {17            await Page.SetContentAsync("<select><option value=\"blue\">Blue</option><option value=\"red\">Red</option><option value=\"green\">Green</option></select>");18            var select = await Page.QuerySelectorAsync("select");19            await select.SelectOptionAsync("blue");20            Assert.Equal("blue", await Page.EvaluateAsync<string>("() => result.onInput"));21            Assert.Equal("blue", await Page.EvaluateAsync<string>("() => result.onChange"));22            Assert.Equal("blue", await Page.EvaluateAsync<string>("() => document.querySelector('select').value"));23        }24    }25}

ShouldSelectSingleOption

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        public void ShouldSelectSingleOption()9        {10            throw new NotImplementedException();11        }12    }13}

ShouldSelectSingleOption

Using AI Code Generation

1public async Task ShouldSelectSingleOption()2{3    await Page.GoToAsync(TestConstants.ServerUrl + "/input/select.html");4    var select = await Page.QuerySelectorAsync("select");5    await select.SelectOptionAsync("blue");6    Assert.AreEqual(new[] { "blue" }, await select.GetSelectedOptionValuesAsync());7    await select.SelectOptionAsync("red");8    Assert.AreEqual(new[] { "red" }, await select.GetSelectedOptionValuesAsync());9    await select.SelectOptionAsync(new[] { "red", "green", "blue" });10    Assert.AreEqual(new[] { "red", "green", "blue" }, await select.GetSelectedOptionValuesAsync());11    await select.SelectOptionAsync(new[] { "blue", "green", "red" });12    Assert.AreEqual(new[] { "blue", "green", "red" }, await select.GetSelectedOptionValuesAsync());13    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });14    Assert.AreEqual(new[] { "red" }, await select.GetSelectedOptionValuesAsync());15    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });16    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());17    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });18    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());19    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });20    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());21    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });22    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());23    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });24    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());25    await select.SelectOptionAsync(new[] { "blue", "green", "red" }, new SelectOptionOptions { Deselect = true });26    Assert.AreEqual(new string[0], await select.GetSelectedOptionValuesAsync());

ShouldSelectSingleOption

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Microsoft.Playwright;7    using Microsoft.Playwright.Core;8    using Microsoft.Playwright.NUnit;9    using NUnit.Framework;10    using NUnit.Framework.Interfaces;11    using PlaywrightSharp.Tests.BaseTests;12    {13        public override async Task InitializeAsync()14        {15            await base.InitializeAsync();16            await Page.SetContentAsync("<input id='checkbox' type='checkbox'></input>");17        }18        [PlaywrightTest("elementhandle-misc.spec.ts", "should throw on unknown method")]19        [Test, Timeout(TestConstants.DefaultTestTimeout)]20        public async Task ShouldThrowOnUnknownMethod()21        {22            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvaluateAsync("() => document.body['foobar']()"));23            StringAssert.Contains("Unknown method 'foobar'", exception.Message);24        }25        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]26        [Test, Timeout(TestConstants.DefaultTestTimeout)]27        public async Task ShouldSelectSingleOption()28        {29            await Page.SetContentAsync(@"30            ");31            var select = await Page.QuerySelectorAsync("select");32            await select.SelectOptionAsync("red");33            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onInput"));34            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onChange"));35        }36    }37}38{39    using System;40    using System.Collections.Generic;41    using System.Text;42    using System.Threading.Tasks;43    using Microsoft.Playwright;44    using Microsoft.Playwright.Core;45    using Microsoft.Playwright.NUnit;46    using NUnit.Framework;47    using NUnit.Framework.Interfaces;48    using PlaywrightSharp.Tests.BaseTests;49    {

ShouldSelectSingleOption

Using AI Code Generation

1{ 2    {3        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]4        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]5        public async Task ShouldSelectSingleOption()6        {7            await Page.GotoAsync(Server.Prefix + "/input/select.html");8            var select = await Page.QuerySelectorAsync("select");9            await select.SelectOptionAsync("blue");10            Assert.Equal(new[] { "blue" }, await Page.EvaluateAsync<string[]>(@"() => {11                var result = [];12                var options = document.querySelector('select').options;13                for (var i = 0; i < options.length; i++)14                {15                    if (options[i].selected)16                        result.push(options[i].value);17                }18                return result;19            }"));20        }21    }22}

ShouldSelectSingleOption

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using NUnit.Framework;7using NUnit.Framework.Interfaces;8{9    {10        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldSelectSingleOption()13        {14            await Page.SetContentAsync("<select><option value=\"blue\">Blue</option><option value=\"red\">Red</option></select>");15            var select = await Page.QuerySelectorAsync("select");16            await select.SelectOptionAsync("Red");17            Assert.AreEqual(new[] { "Red" }, await Page.EvaluateAsync<string[]>("() => [...document.querySelector('select').children].filter(option => option.selected).map(option => option.value)"));18            await select.SelectOptionAsync("Blue");19            Assert.AreEqual(new[] { "Blue" }, await Page.EvaluateAsync<string[]>("() => [...document.querySelector('select').children].filter(option => option.selected).map(option => option.value)"));20        }21    }22}23{24    {25        public static Task<IBrowserType> LoadAsync(string browserName)26        {27            switch (browserName)28            {29                    return Playwright.Chromium.LaunchAsync();30                    return Playwright.Firefox.LaunchAsync();31                    return Playwright.Webkit.LaunchAsync();32                    throw new ArgumentException($"Unknown browser: {browserName}");33            }34        }35    }36}37using System;38using System.Collections.Generic;39using System.Text;40using System.Threading.Tasks;41using Microsoft.Playwright;42using NUnit.Framework;43using NUnit.Framework.Interfaces;44{45    {46        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]47        [Test, Timeout(TestConstants.DefaultTestTimeout)]48        public async Task ShouldSelectSingleOption()49        {50            await Page.SetContentAsync("<select><option value=\"blue\">Blue</option><option value=\"red\">Red</option></select>");

ShouldSelectSingleOption

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NUnit.Framework;7using PlaywrightSharp.Tests.BaseTests;8using PlaywrightSharp.Tests.Helpers;9{10    [Parallelizable(ParallelScope.Self)]11    {12        public async Task ShouldSelectSingleOptionTest()13        {14            await Page.SetContentAsync("<select><option value=\"blue\">Blue</option><option value=\"red\">Red</option><option value=\"green\">Green</option></select>");15            var select = await Page.QuerySelectorAsync("select");16            await select.SelectOptionAsync("red");17            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onInput"));18            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onChange"));19            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => document.querySelector('select').value"));20        }21    }22}23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28using NUnit.Framework;29using PlaywrightSharp.Tests.BaseTests;30using PlaywrightSharp.Tests.Helpers;31{32    [Parallelizable(ParallelScope.Self)]33    {

ShouldSelectSingleOption

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]10        public async Task ShouldSelectSingleOption()11        {12            await Page.SetContentAsync(@"13            </select>");14            var select = await Page.QuerySelectorAsync("select");15            await select.SelectOptionAsync("green");16            Assert.AreEqual("green", await Page.EvaluateAsync<string>("() => result.onInput"));17            Assert.AreEqual("green", await Page.EvaluateAsync<string>("() => result.onChange"));18            Assert.AreEqual("green", await Page.EvaluateAsync<string>("() => result.onInput"));19            Assert.AreEqual("green", await Page.EvaluateAsync<string>("() => result.onChange"));20            Assert.AreEqual("green", await Page.EvaluateAsync<string>("() => document.querySelector('select').value"));21        }22    }23}24using Microsoft.Playwright.Tests;25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30{31    {32        [PlaywrightTest("elementhandle-misc.spec.ts", "should select single option")]33        public async Task ShouldSelectSingleOption2()34        {35            await Page.SetContentAsync(@"36            </select>");37            var select = await Page.QuerySelectorAsync("select");38            await select.SelectOptionAsync("red");39            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onInput"));40            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onChange"));41            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onInput"));42            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => result.onChange"));43            Assert.AreEqual("red", await Page.EvaluateAsync<string>("() => document

ShouldSelectSingleOption

Using AI Code Generation

1using Microsoft.Playwright;2using NUnit.Framework;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7{8    {9        public async Task ShouldSelectSingleOption()10        {11            await Page.GoToAsync(TestConstants.ServerUrl + "/input/select.html");12            var select = await Page.QuerySelectorAsync("select");13            await select.SelectOptionAsync("blue");14            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onInput"), "blue");15            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onChange"), "blue");16            await select.SelectOptionAsync(new SelectOptionValue { Label = "Red" });17            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onInput"), "red");18            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onChange"), "red");19            await select.SelectOptionAsync(new SelectOptionValue { Value = "green" });20            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onInput"), "green");21            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onChange"), "green");22            await select.SelectOptionAsync(new SelectOptionValue { Index = 0 });23            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onInput"), "blue");24            Assert.AreEqual(await Page.EvaluateAsync<string>("() => result.onChange"), "blue");25        }26    }27}28using Microsoft.Playwright;29using NUnit.Framework;30using System;31using System.Collections.Generic;32using System.Text;33using System.Threading.Tasks;34{35    {36        public async Task ShouldSelectMultipleOptions()37        {38            await Page.GoToAsync(TestConstants.Server

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.