How to use ShouldReturnNullIfParentPageHasBeenClosed method of Microsoft.Playwright.Tests.PageBasicTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageBasicTests.ShouldReturnNullIfParentPageHasBeenClosed

PageBasicTests.cs

Source:PageBasicTests.cs

...100            var opener = await popupEvent.OpenerAsync();101            Assert.AreEqual(Page, opener);102        }103        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]104        public async Task ShouldReturnNullIfParentPageHasBeenClosed()105        {106            var (popupEvent, _) = await TaskUtils.WhenAll(107                Page.WaitForPopupAsync(),108                Page.EvaluateAsync("() => window.open('about:blank')")109            );110            await Page.CloseAsync();111            var opener = await popupEvent.OpenerAsync();112            Assert.Null(opener);113        }114        [PlaywrightTest("page-basic.spec.ts", "should return the page title")]115        public async Task ShouldReturnThePageTitle()116        {117            await Page.GotoAsync(Server.Prefix + "/title.html");118            Assert.AreEqual("Woof-Woof", await Page.TitleAsync());...

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using NUnit.Framework;9using NUnit.Framework.Interfaces;10{11    [Parallelizable(ParallelScope.Self)]12    {13        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldReturnNullIfParentPageHasBeenClosed()16        {17            var newPage = await Context.NewPageAsync();18            var popupTask = newPage.WaitForPopupAsync();19            await TaskUtils.WhenAll(20                newPage.EvaluateAsync("url => window.open(url)", TestConstants.EmptyPage)21            );22            var popup = popupTask.Result;23            await Page.CloseAsync();24            Assert.Null(await popup.PageAsync());25        }26    }27}28{29    {30        public async Task SetUp()31        {32            Page = await Context.NewPageAsync();33        }34    }35}36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41{42    {43        public IBrowser Browser { get; set; } = default!;44        public IBrowserContext Context { get; set; } = default!;45        public IPage Page { get; set; } = default!;46        public override async Task InitializeAsync()47        {48            await base.InitializeAsync();49            Browser = await Playwright[BrowserType].LaunchAsync(TestConstants.GetDefaultBrowserOptions());50            Context = await Browser.NewContextAsync();51        }52        public override async Task DisposeAsync()53        {54            await Context.CloseAsync();55            await Browser.CloseAsync();56            await base.DisposeAsync();57        }58    }59}60using System;61using System.Collections.Generic;62using System.Linq;

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3using Xunit;4using Xunit.Abstractions;5{6    {7        public PageBasicTests(ITestOutputHelper output) : base(output)8        {9        }10        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]11        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]12        public async Task ShouldReturnNullIfParentPageHasBeenClosed()13        {14            await using var context = await Browser.NewContextAsync();15            var page = await context.NewPageAsync();16            var popupTask = page.WaitForEventAsync(PageEvent.Popup);17            await TaskUtils.WhenAll(18                page.EvaluateAsync("url => window.open(url)", TestConstants.ServerUrl + "/grid.html"));19            var popup = popupTask.Result.Page;20            Assert.NotNull(popup);21            Assert.NotNull(popup.MainFrame);22            await page.CloseAsync();23            Assert.Null(popup.MainFrame);24        }25    }26}27{28    {29        public PageTestEx(ITestOutputHelper output) : base(output)30        {31        }32    }33}34using System.Threading.Tasks;35using Microsoft.Playwright;36using Xunit;37using Xunit.Abstractions;38{39    {40        public PageBasicTests(ITestOutputHelper output) : base(output)41        {42        }43        [PlaywrightTest("page-basic.spec.ts", "should work")]44        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]45        public async Task ShouldWork()46        {47            await Page.GoToAsync(TestConstants.EmptyPage);48            Assert.Equal(TestConstants.EmptyPage, Page.Url);49            Assert.True(await Page.EvaluateAsync<bool>("() => window.__testHook"));50        }51    }52}53{54    {55        public PageTestEx(ITestOutputHelper output) : base(output)56        {57        }58    }59}

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Microsoft.Playwright.Tests;7using Xunit;8using Xunit.Abstractions;9{10    {11        public PageBasicTests(ITestOutputHelper output) : base(output)12        {13        }14        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]15        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]16        public async Task ShouldReturnNullIfParentPageHasBeenClosed()17        {18            await using var context = await Browser.NewContextAsync();19            var page = await context.NewPageAsync();20            var popupTask = page.WaitForEventAsync(PageEvent.Popup);21            await TaskUtils.WhenAll(22                page.EvaluateAsync("url => window._popup = window.open(url)", TestConstants.EmptyPage));23            var popup = popupTask.Result.Page;24            await popup.CloseAsync();25            Assert.Null(await popup.MainFrame.EvaluateAsync("() => window.opener"));26        }27    }28}29{30    {31        bool IsClosed { get; }32    }33}34{35    {36        public bool IsClosed { get; internal set; }37    }38}

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1{2    using System.IO;3    using System.Text.Json;4    using System.Threading.Tasks;5    using Microsoft.Playwright;6    using Microsoft.Playwright.NUnit;7    using NUnit.Framework;8    [Parallelizable(ParallelScope.Self)]9    {10        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldReturnNullIfParentPageHasBeenClosed()13        {14            var newPage = await Context.NewPageAsync();15            var newFrame = newPage.MainFrame;16            await newPage.CloseAsync();17            Assert.Null(await newFrame.EvaluateAsync("() => 7 * 8"));18        }19    }20}21at Microsoft.Playwright.Tests.PageBasicTests.ShouldReturnNullIfParentPageHasBeenClosed() in C:\Users\hazmi\source\repos\playwright-sharp\src\PlaywrightSharp.Tests\PageBasicTests.cs:line 2822Assert.Null() Failure23Expected: (null)24{25    using System;26    using System.IO;27    using System.Text.Json;28    using System.Threading.Tasks;29    using Microsoft.Playwright;30    using Microsoft.Playwright.NUnit;31    using NUnit.Framework;32    [Parallelizable(ParallelScope.Self)]33    {34        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]35        [Test, Timeout(TestConstants.DefaultTestTimeout)]36        public async Task ShouldReturnNullIfParentPageHasBeenClosed()37        {

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.NUnit;3using NUnit.Framework;4using System.Threading.Tasks;5{6    {7        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]8        [Test, Timeout(TestConstants.DefaultTestTimeout)]9        public async Task ShouldReturnNullIfParentPageHasBeenClosed()10        {11            await using var page = await Browser.NewPageAsync();12            var popupTask = page.WaitForEventAsync(PageEvent.Popup);13            await TaskUtils.WhenAll(14                page.EvaluateAsync("url => window.__popup = window.open(url)", TestConstants.EmptyPage));15            var popup = popupTask.Result.Page;16            await popup.WaitForLoadStateAsync();17            await page.CloseAsync();18            Assert.Null(popup.MainFrame.Url);19        }20    }21}22using Microsoft.Playwright;23using Microsoft.Playwright.NUnit;24using NUnit.Framework;25using System.Threading.Tasks;26{27    {28        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]29        [Test, Timeout(TestConstants.DefaultTestTimeout)]30        public async Task ShouldReturnNullIfParentPageHasBeenClosed()31        {32            await using var page = await Browser.NewPageAsync();33            var popupTask = page.WaitForEventAsync(PageEvent.Popup);34            await TaskUtils.WhenAll(35                page.EvaluateAsync("url => window.__popup = window.open(url)", TestConstants.EmptyPage));36            var popup = popupTask.Result.Page;37            await popup.WaitForLoadStateAsync();38            await page.CloseAsync();39            Assert.Null(popup.MainFrame.Url);40        }41    }42}43using Microsoft.Playwright;44using Microsoft.Playwright.NUnit;45using NUnit.Framework;46using System.Threading.Tasks;47{48    {49        [PlaywrightTest("page-basic.spec.ts", "should return null

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;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            var childPage = await page.WaitForEventAsync(PageEvent.Popup);15            await page.CloseAsync();16            var result = await childPage.ShouldReturnNullIfParentPageHasBeenClosed();17            Console.WriteLine(result);18            await browser.CloseAsync();19        }20    }21}

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10    [Collection(TestConstants.TestFixtureBrowserCollectionName)]11    {12        public PageBasicTests(ITestOutputHelper output) : base(output)13        {14        }15        [PlaywrightTest("page-basic.spec.ts", "Page.close", "should return null if parent page has been closed")]16        [Fact(Timeout = TestConstants.DefaultTestTimeout)]17        public async Task ShouldReturnNullIfParentPageHasBeenClosed()18        {19            await Page.GotoAsync(TestConstants.EmptyPage);20            var popupTask = Page.WaitForEventAsync(PageEvent.Popup);21            await TaskUtils.WhenAll(22                Page.EvaluateAsync("url => window.open(url)", TestConstants.EmptyPage)23            );24            var popup = popupTask.Result.Page;25            await TaskUtils.WhenAll(26                popup.CloseAsync(),27                Page.CloseAsync()28            );29            Assert.Null(popup.MainFrame);30        }31    }32}

ShouldReturnNullIfParentPageHasBeenClosed

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Xunit;5using Xunit.Abstractions;6{7    {8        public PageBasicTests(ITestOutputHelper output) : base(output)9        {10        }11        [PlaywrightTest("page-basic.spec.ts", "should return null if parent page has been closed")]12        [Fact(Timeout = TestConstants.DefaultTestTimeout)]13        public async Task ShouldReturnNullIfParentPageHasBeenClosed()14        {15            var page = await Browser.NewPageAsync();16            var popupTask = page.WaitForEventAsync(PageEvent.Popup);17            await TaskUtils.WhenAll(18                page.EvaluateAsync("url => window.open(url)", TestConstants.EmptyPage)19            );20            var popup = popupTask.Result.Page;21            Assert.NotNull(popup);22            await page.CloseAsync();23            Assert.Null(await popup.EvaluateAsync("() => window.opener"));24        }25    }26}27using System;28using System.Threading.Tasks;29using Microsoft.Playwright;30using Xunit;31using Xunit.Abstractions;32{33    {34        public PageBasicTests(ITestOutputHelper output) : base(output)35        {36        }37        [PlaywrightTest("page-basic.spec.ts", "should navigate to about:blank by default")]38        [Fact(Timeout = TestConstants.DefaultTestTimeout)]39        public async Task ShouldNavigateToAboutBlankByDefault()40        {41            var page = await Browser.NewPageAsync();42            Assert.Equal(TestConstants.AboutBlank, page.Url);43        }44    }45}46using System;47using System.Threading.Tasks;48using Microsoft.Playwright;49using Xunit;

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.