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How to use UnobservedTaskExceptionCommand method of Microsoft.Playwright.Tests.PlaywrightTestAttribute class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PlaywrightTestAttribute.UnobservedTaskExceptionCommand

PlaywrightTestAttribute.cs

Source:PlaywrightTestAttribute.cs

...77        /// The describe of the test, the decorated code is based on, if one exists.78        /// </summary>79        public string Describe { get; }80        /// <summary>81        /// Wraps the current test command in a <see cref="UnobservedTaskExceptionCommand"/>.82        /// </summary>83        /// <param name="command">the test command</param>84        /// <returns>the wrapped test command</returns>85        public TestCommand Wrap(TestCommand command)86            => new UnobservedTaskExceptionCommand(command);87        /// <summary>88        /// Helper to detect UnobservedTaskExceptions89        /// </summary>90        private sealed class UnobservedTaskExceptionCommand : DelegatingTestCommand91        {92            public UnobservedTaskExceptionCommand(TestCommand innerCommand)93                : base(innerCommand)94            {95            }96            private readonly List<Exception> _unobservedTaskExceptions = new();97            public override TestResult Execute(TestExecutionContext context)98            {99                TaskScheduler.UnobservedTaskException += UnobservedTaskException;100                TestResult result = null;101                try102                {103                    result = innerCommand.Execute(context);104                }105                finally106                {...

UnobservedTaskExceptionCommand

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.Tests.Attributes;3using NUnit.Framework;4using System;5using System.Collections.Generic;6using System.Text;7using System.Threading.Tasks;8{9    {10        [PlaywrightTest("unobservedtaskexceptioncommand.spec.ts", "should throw on unhandled exception")]11        public async Task ShouldThrowOnUnhandledException()12        {13            await Page.GotoAsync(Server.Prefix + "/empty.html");14            await Page.EvaluateAsync("() => new Promise(() => { throw new Error('Error in promise'); })");15            var exception = await Assert.ThrowsAsync<PlaywrightException>(()16                => Page.EvaluateAsync("() => new Promise(() => {})"));17            StringAssert.Contains("Error in promise", exception.Message);18        }19    }20}

UnobservedTaskExceptionCommand

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        public PlaywrightTestAttribute(string browserName, string testId, bool ignore, string[] ignoreOS, string[] ignoreBrowser, string[] ignoreDevice, string[] ignoreChannel, string[] ignoreVersion, string[] skip, string[] skipBrowser, string[] skipDevice, string[] skipVersion, string[] skipOS, string[] skipChannel, string[] only, string[] onlyBrowser, string[] onlyDevice, string[] onlyVersion, string[] onlyOS, string[] onlyChannel, string timeout, bool useDotNetGraphical, bool useDotNetHeadless, bool useDotNetHeadlessWithSandbox, bool useDotNetHeadlessWithVideo, bool useDotNetHeadlessWithTrace, bool useDotNetHeadlessWithScreencast, bool useDotNetHeadlessWithDownload, bool useDotNetHeadlessWithGeolocation, bool useDotNetHeadlessWithPermissions, bool useDotNetHeadlessWithOffline, bool useDotNetHeadlessWithHttpCredentials, bool useDotNetHeadlessWithColorScheme, bool useDotNetHeadlessWithExtraHttpHeaders, bool useDotNetHeadlessWithViewport, bool useDotNetHeadlessWithStorageState, bool useDotNetHeadlessWithLocale, bool useDotNetHeadlessWithTimezone, bool useDotNetHeadlessWithGeolocationOverride, bool useDotNetHeadlessWithUserAgent, bool useDotNetHeadlessWithExtraHTTPHeaders, bool useDotNetHeadlessWithAcceptDownloads, bool useDotNetHeadlessWithAcceptDownloadsInNewContext, bool useDotNetHeadlessWithOfflineInNewContext, bool useDotNetHeadlessWithHttpCredentialsInNewContext, bool useDotNetHeadlessWithColorSchemeInNewContext, bool useDotNetHeadlessWithExtraHttpHeadersInNewContext, bool useDotNetHeadlessWithViewportInNewContext, bool useDotNetHeadlessWithStorageStateInNewContext, bool useDotNetHeadlessWithLocaleInNewContext, bool useDotNetHeadlessWithTimezoneInNewContext, bool useDotNetHeadlessWithGeolocationOverrideInNewContext, bool useDotNetHeadlessWithUserAgentInNewContext, bool useDotNet

UnobservedTaskExceptionCommand

Using AI Code Generation

1[Microsoft.Playwright.Tests.PlaywrightTest("page-evaluate.spec.ts", "should work with unhandled promise rejection")]2public async Task ShouldWorkWithUnhandledPromiseRejection()3{4    var exception = await Assert.ThrowsAsync<PlaywrightSharp.PlaywrightSharpException>(async () =>5    {6        await Page.EvaluateAsync("() => new Promise(() => {})");7    });8    Assert.Contains("Evaluation failed: UnhandledPromiseRejection", exception.Message);9}10[Microsoft.Playwright.Tests.PlaywrightTest("page-evaluate.spec.ts", "should work with unhandled promise rejection")]11public async Task ShouldWorkWithUnhandledPromiseRejection()12{13    var exception = await Assert.ThrowsAsync<PlaywrightSharp.PlaywrightSharpException>(async () =>14    {15        await Page.EvaluateAsync("() => new Promise(() => {})");16    });17    Assert.Contains("Evaluation failed: UnhandledPromiseRejection", exception.Message);18}19[Microsoft.Playwright.Tests.PlaywrightTest("page-evaluate.spec.ts", "should work with unhandled promise rejection")]20public async Task ShouldWorkWithUnhandledPromiseRejection()21{22    var exception = await Assert.ThrowsAsync<PlaywrightSharp.PlaywrightSharpException>(async () =>23    {24        await Page.EvaluateAsync("() => new Promise(() => {})");25    });26    Assert.Contains("Evaluation failed: UnhandledPromiseRejection", exception.Message);27}28[Microsoft.Playwright.Tests.PlaywrightTest("page-evaluate.spec.ts", "should work with unhandled promise rejection")]29public async Task ShouldWorkWithUnhandledPromiseRejection()30{31    var exception = await Assert.ThrowsAsync<PlaywrightSharp.PlaywrightSharpException>(async () =>32    {33        await Page.EvaluateAsync("() => new Promise(() => {})");34    });35    Assert.Contains("Evaluation failed: UnhandledPromiseRejection", exception.Message);36}37[Microsoft.Playwright.Tests.PlaywrightTest("page-evaluate.spec.ts", "should work with unhandled promise rejection")]38public async Task ShouldWorkWithUnhandledPromiseRejection()39{

UnobservedTaskExceptionCommand

Using AI Code Generation

1[PlaywrightTest("page-event-requestfailed.spec.ts", "should not throw unhandled error when page is closed")]2public async Task ShouldNotThrowUnhandledErrorWhenPageIsClosed()3{4    var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(Server.EmptyPage));5    Assert.AreEqual("Page closed", exception.Message);6}7[PlaywrightTest("page-event-requestfailed.spec.ts", "should not throw unhandled error when page is closed")]8public async Task ShouldNotThrowUnhandledErrorWhenPageIsClosed()9{10    var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(Server.EmptyPage));11    Assert.AreEqual("Page closed", exception.Message);12}13[PlaywrightTest("page-event-requestfailed.spec.ts", "should not throw unhandled error when page is closed")]14public async Task ShouldNotThrowUnhandledErrorWhenPageIsClosed()15{16    var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(Server.EmptyPage));17    Assert.AreEqual("Page closed", exception.Message);18}19[PlaywrightTest("page-event-requestfailed.spec.ts", "should not throw unhandled error when page is closed")]20public async Task ShouldNotThrowUnhandledErrorWhenPageIsClosed()21{22    var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(Server.EmptyPage));23    Assert.AreEqual("Page closed", exception.Message);24}25[PlaywrightTest("page-event-requestfailed.spec.ts", "should not throw unhandled error when page is closed")]26public async Task ShouldNotThrowUnhandledErrorWhenPageIsClosed()27{

UnobservedTaskExceptionCommand

Using AI Code Generation

1public void UnobservedTaskExceptionCommandMethod()2{3}4public void UnobservedTaskExceptionCommandMethod()5{6}7public void UnobservedTaskExceptionCommandMethod()8{9}10public void UnobservedTaskExceptionCommandMethod()11{12}13public void UnobservedTaskExceptionCommandMethod()14{15}16public void UnobservedTaskExceptionCommandMethod()17{18}19public void UnobservedTaskExceptionCommandMethod()20{21}

UnobservedTaskExceptionCommand

Using AI Code Generation

1[Microsoft.Playwright.Tests.PlaywrightTestAttribute("5.cs", "CSharp", "chromium", "chromium", "chromium")]2{3    public UnobservedTaskException() { }4    public static void Run(Microsoft.Playwright.IPlaywright playwright) { }5}6[Microsoft.Playwright.Tests.PlaywrightTestAttribute("5.cs", "CSharp", "webkit", "webkit", "webkit")]7{8    public UnobservedTaskException() { }9    public static void Run(Microsoft.Playwright.IPlaywright playwright) { }10}11[Microsoft.Playwright.Tests.PlaywrightTestAttribute("5.cs", "CSharp", "firefox", "firefox", "firefox")]12{13    public UnobservedTaskException() { }14    public static void Run(Microsoft.Playwright.IPlaywright playwright) { }15}16[Microsoft.Playwright.Tests.PlaywrightTestAttribute("5.cs", "CSharp", "ffmpeg", "ffmpeg", "ffmpeg")]17{18    public UnobservedTaskException() { }19    public static void Run(Microsoft.Playwright.IPlaywright playwright) { }20}21[Microsoft.Playwright.Tests.PlaywrightTestAttribute("5.cs", "CSharp", "ffprobe", "ffprobe", "ffprobe")]22{23    public UnobservedTaskException() { }24    public static void Run(Microsoft.Playwright.IPlaywright playwright) { }25}

UnobservedTaskExceptionCommand

Using AI Code Generation

1[PlaywrightTest("chromium", "chromium", "chromium")]2public async Task ShouldNotRaiseUnobservedTaskException()3{4    var exception = new Exception("Test Exception");5    var tcs = new TaskCompletionSource();6    tcs.SetException(exception);7    await tcs.Task;8}9[PlaywrightTest("chromium", "chromium", "chromium")]10public async Task ShouldNotRaiseUnobservedTaskException()11{12    var exception = new Exception("Test Exception");13    var tcs = new TaskCompletionSource();14    tcs.SetException(exception);15    await tcs.Task;16}17[PlaywrightTest("chromium", "chromium", "chromium")]18public async Task ShouldNotRaiseUnobservedTaskException()19{20    var exception = new Exception("Test Exception");21    var tcs = new TaskCompletionSource();22    tcs.SetException(exception);23    await tcs.Task;24}25[PlaywrightTest("chromium", "chromium", "chromium")]26public async Task ShouldNotRaiseUnobservedTaskException()27{28    var exception = new Exception("Test Exception");29    var tcs = new TaskCompletionSource();30    tcs.SetException(exception);31    await tcs.Task;32}

Playwright tutorial

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