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How to use ShouldUnselectWithNull method of Microsoft.Playwright.Tests.PageSelectOptionTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageSelectOptionTests.ShouldUnselectWithNull

PageSelectOptionTests.cs

Source:PageSelectOptionTests.cs

...173            var result = await Page.SelectOptionAsync("select", Array.Empty<string>());174            Assert.IsEmpty(result);175        }176        [PlaywrightTest("page-select-option.spec.ts", "should unselect with null")]177        public async Task ShouldUnselectWithNull()178        {179            await Page.GotoAsync(Server.Prefix + "/input/select.html");180            await Page.EvaluateAsync("() => makeMultiple()");181            var result = await Page.SelectOptionAsync("select", new[] { "blue", "black", "magenta" });182            Assert.True(result.All(r => new[] { "blue", "black", "magenta" }.Contains(r)));183            await Page.SelectOptionAsync("select", new string[] { });184            Assert.True(await Page.EvalOnSelectorAsync<bool?>("select", "select => Array.from(select.options).every(option => !option.selected)"));185        }186        [PlaywrightTest("page-select-option.spec.ts", "should deselect all options when passed no values for a multiple select")]187        public async Task ShouldDeselectAllOptionsWhenPassedNoValuesForAMultipleSelect()188        {189            await Page.GotoAsync(Server.Prefix + "/input/select.html");190            await Page.EvaluateAsync("() => makeMultiple()");191            await Page.SelectOptionAsync("select", new[] { "blue", "black", "magenta" });...

ShouldUnselectWithNull

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ClickAsync("text=Try it");15            await page.SelectOptionAsync("select", new PageSelectOptionOptions16            {17            });18        }19    }20}

ShouldUnselectWithNull

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7{8    {9        [PlaywrightTest("page-select-option.spec.ts", "should unselect with null")]10        public async Task ShouldUnselectWithNull()11        {12            await Page.SetContentAsync("<select><option value=\"blue\">Blue</option><option value=\"red\">Red</option><option value=\"green\">Green</option></select>");13            await Page.SelectOptionAsync("select", new string[] { "blue", "green" });14            Assert.AreEqual(new[] { "blue", "green" }, await Page.EvaluateAsync<string[]>("() => [...document.querySelector('select').selectedOptions].map(option => option.value)"));15            await Page.SelectOptionAsync("select", null);16            Assert.AreEqual(new string[] { }, await Page.EvaluateAsync<string[]>("() => [...document.querySelector('select').selectedOptions].map(option => option.value)"));17        }18    }19}

ShouldUnselectWithNull

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions3{4});5var context = await browser.NewContextAsync();6var page = await context.NewPageAsync();7await page.SelectOptionAsync("select[name=\"lang\"]", new PageSelectOptionOptions8{9});10await page.WaitForSelectorAsync("text=Español");11var playwright = await Playwright.CreateAsync();12await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions13{14});15var context = await browser.NewContextAsync();16var page = await context.NewPageAsync();17await page.SelectOptionAsync("select[name=\"lang\"]", new PageSelectOptionOptions18{19});20await page.WaitForSelectorAsync("text=Español");

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.
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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.