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How to use PageEventPageErrorTests class of Microsoft.Playwright.Tests package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageEventPageErrorTests

PageEventPageErrorTests.cs

Source:PageEventPageErrorTests.cs

...26using Microsoft.Playwright.NUnit;27using NUnit.Framework;28namespace Microsoft.Playwright.Tests29{30    public class PageEventPageErrorTests : PageTestEx31    {32        [PlaywrightTest("page-event-pageerror.spec.ts", "should fire")]33        public async Task ShouldFire()34        {35            var errorEvent = new TaskCompletionSource<string>();36            Page.PageError += (_, error) => errorEvent.TrySetResult(error);37            var (error, _) = await TaskUtils.WhenAll(38                errorEvent.Task,39                Page.GotoAsync(Server.Prefix + "/error.html")40            );41            string expectedError = "";42            if (TestConstants.IsFirefox)43            {44                expectedError = @"Error: Fancy error!...

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    {7        internal PageEventPageErrorTests(ITestOutputHelper output) : base(output)8        {9        }10        public async Task PageShouldFirePageError()11        {12            var error = await Page.WaitForEventAsync(PageEvent.PageError, () => Page.EvaluateAsync("() => setTimeout(() => { not.existing.object.property; }, 0)"));13            Assert.Equal("not is not defined", error.Message);14            Assert.Equal("ReferenceError: not is not defined", error.StackTrace);15        }16    }17}

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    {7        public PageEventPageErrorTests(ITestOutputHelper output) : base(output)8        {9        }10        public async Task ShouldFire()11        {12            var error = new TaskCompletionSource<string>();13            Page.PageError += (_, e) => error.TrySetResult(e);14            await Page.EvaluateAsync("() => setTimeout(() => not_existing_object.a, 0)");15            Assert.Equal("not_existing_object is not defined", await error.Task);16        }17        public async Task ShouldNotFireForWindowError()18        {19            var error = new TaskCompletionSource<string>();20            Page.PageError += (_, e) => error.TrySetResult(e);21            await Page.EvaluateAsync("() => setTimeout(() => { throw new Error('window error'); }, 0)");22            await Task.Delay(100);23            Assert.False(error.Task.IsCompleted);24        }25        public async Task ShouldNotFireForErrorInEvaluate()26        {27            var error = new TaskCompletionSource<string>();28            Page.PageError += (_, e) => error.TrySetResult(e);29            await Page.EvaluateAsync("() => setTimeout(() => { throw new Error('error in evaluate'); }, 0)");30            await Task.Delay(100);31            Assert.False(error.Task.IsCompleted);32        }33    }34}35using Microsoft.Playwright.Tests;36using System.Threading.Tasks;37using Xunit;38using Xunit.Abstractions;39{40    {41        public PageEventPopupTests(ITestOutputHelper output) : base(output)42        {43        }44        public async Task ShouldFire()45        {46            var popupTask = new TaskCompletionSource<IPage>();47            Page.Popup += (_, e) => popupTask.TrySetResult(e);48            await Page.GotoAsync(Server.EmptyPage);49            await Page.EvaluateAsync("url => window._popup = window.open(url)", Server.EmptyPage);50            var popup = await popupTask.Task;51            Assert.Equal(Server.EmptyPage, popup.Url);52        }

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static async Task Main(string[] args)11        {12            using var playwright = await Playwright.CreateAsync();13            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });14            var context = await browser.NewContextAsync();15            var page = await context.NewPageAsync();16            await page.GotoAsync("https:/

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Threading.Tasks;5using Xunit;6using Xunit.Abstractions;7{8    {9        public PageEventPageErrorTests(ITestOutputHelper output) : base(output)10        {11        }12        [PlaywrightTest("page-event-pageerror.spec.ts", "should fire")]13        [Fact(Timeout = PlaywrightTestConstants.DefaultTestTimeout)]14        public async Task ShouldFire()15        {16            await Page.GotoAsync(Server.EmptyPage);17            var (message, _) = await TaskUtils.WhenAll(18                Page.WaitForEventAsync(PageEvent.PageError),19                Page.EvaluateAsync("() => setTimeout(() => { throw new Error(\"hey\") }, 0)")20            );21            Assert.Contains("hey", message);22        }23        [PlaywrightTest("page-event-pageerror.spec.ts", "should have an error")]24        [Fact(Timeout = PlaywrightTestConstants.DefaultTestTimeout)]25        public async Task ShouldHaveAnError()26        {27            await Page.GotoAsync(Server.EmptyPage);28            var (error, _) = await TaskUtils.WhenAll(29                Page.WaitForEventAsync(PageEvent.PageError),30                Page.EvaluateAsync("() => setTimeout(() => { throw new Error(\"hey\") }, 0)")31            );32            Assert.Contains("hey", error.Message);33        }34        [PlaywrightTest("page-event-pageerror.spec.ts", "should contain stack trace")]35        [Fact(Timeout = PlaywrightTestConstants.DefaultTestTimeout)]36        public async Task ShouldContainStackTrace()37        {38            await Page.GotoAsync(Server.EmptyPage);39            var (error, _) = await TaskUtils.WhenAll(40                Page.WaitForEventAsync(PageEvent.PageError),41                Page.EvaluateAsync("() => setTimeout(() => { throw new Error(\"hey\") }, 0)")42            );43            Assert.Contains("at __puppeteer_evaluation_script__:2:14", error.StackTrace);44        }45        [PlaywrightTest("page-event-pageerror.spec.ts", "should not throw uncaught errors")]46        [Fact(Timeout = PlaywrightTestConstants.DefaultTestTimeout)]47        public async Task ShouldNotThrowUncaughtErrors()48        {49            await Page.GotoAsync(Server.EmptyPage);50            await Page.EvaluateAsync("() => setTimeout(() => { throw new Error(\"hey\") }, 0)");51            await Page.EvaluateAsync("()

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2await PageEventPageErrorTests.PageEventPageErrorAsync();3using Microsoft.Playwright.Tests;4await PageEventPageErrorTests.PageEventPageErrorAsync();5using Microsoft.Playwright.Tests;6await PageEventPageErrorTests.PageEventPageErrorAsync();7using Microsoft.Playwright.Tests;8await PageEventPageErrorTests.PageEventPageErrorAsync();9using Microsoft.Playwright.Tests;10await PageEventPageErrorTests.PageEventPageErrorAsync();11using Microsoft.Playwright.Tests;12await PageEventPageErrorTests.PageEventPageErrorAsync();13using Microsoft.Playwright.Tests;14await PageEventPageErrorTests.PageEventPageErrorAsync();15using Microsoft.Playwright.Tests;16await PageEventPageErrorTests.PageEventPageErrorAsync();17using Microsoft.Playwright.Tests;18await PageEventPageErrorTests.PageEventPageErrorAsync();19using Microsoft.Playwright.Tests;20await PageEventPageErrorTests.PageEventPageErrorAsync();21using Microsoft.Playwright.Tests;22await PageEventPageErrorTests.PageEventPageErrorAsync();23using Microsoft.Playwright.Tests;24await PageEventPageErrorTests.PageEventPageErrorAsync();

PageEventPageErrorTests

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            var program = new PageEventPageErrorTests();11            await program.PageEventPageError();12        }13    }14}15using Microsoft.Playwright.Tests;16using System;17using System.Collections.Generic;18using System.Text;19using System.Threading.Tasks;20{21    {22        static async Task Main(string[] args)23        {24            var program = new PageEventPopupTests();25            await program.PageEventPopup();26        }27    }28}29using Microsoft.Playwright.Tests;30using System;31using System.Collections.Generic;32using System.Text;33using System.Threading.Tasks;34{35    {36        static async Task Main(string[] args)37        {38            var program = new PageEventRequestTests();39            await program.PageEventRequest();40        }41    }42}43using Microsoft.Playwright.Tests;44using System;45using System.Collections.Generic;46using System.Text;47using System.Threading.Tasks;48{49    {50        static async Task Main(string[] args)51        {52            var program = new PageEventRequestFailedTests();53            await program.PageEventRequestFailed();54        }55    }56}57using Microsoft.Playwright.Tests;58using System;59using System.Collections.Generic;60using System.Text;61using System.Threading.Tasks;62{63    {64        static async Task Main(string[] args)65        {66            var program = new PageEventRequestFinishedTests();67            await program.PageEventRequestFinished();68        }69    }70}71using Microsoft.Playwright.Tests;72using System;73using System.Collections.Generic;74using System.Text;75using System.Threading.Tasks;76{77    {

PageEventPageErrorTests

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright;5using Microsoft.Playwright.Tests;6using Microsoft.Playwright.Tests.Attributes;7using Microsoft.Playwright.Tests.BaseTests;8using NUnit.Framework;9using NUnit.Framework.Interfaces;10{11    {12        [PlaywrightTest("page-event-pageerror.spec.ts", "should throw if page crashes")]13        [Test, Timeout(TestConstants.DefaultTestTimeout)]14        public async Task ShouldThrowIfPageCrashes()15        {16            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(TestConstants.ServerUrl + "/crash"));17            StringAssert.Contains("crash", exception.Message);18        }19    }20}21using System;22using System.IO;23using System.Threading.Tasks;24using Microsoft.Playwright;25using Microsoft.Playwright.Tests;26using Microsoft.Playwright.Tests.Attributes;27using Microsoft.Playwright.Tests.BaseTests;28using NUnit.Framework;29using NUnit.Framework.Interfaces;30{31    {32        [PlaywrightTest("page-event-popup.spec.ts", "should fire")]33        [Test, Timeout(TestConstants.DefaultTestTimeout)]34        public async Task ShouldFire()35        {36            await Page.GotoAsync(TestConstants.ServerUrl + "/popup/window-open.html");37            var popupTask = Page.WaitForEventAsync(PageEvent.Popup);38            await TaskUtils.WhenAll(39                Page.EvaluateAsync("url => window['newPage'] = window.open(url)", TestConstants.EmptyPage)40            );41            var popup = popupTask.Result.Page;42            Assert.AreEqual(TestConstants.EmptyPage, popup.Url);43            await popup.CloseAsync();44        }45    }46}47using System;48using System.IO;49using System.Threading.Tasks;50using Microsoft.Playwright;51using Microsoft.Playwright.Tests;52using Microsoft.Playwright.Tests.Attributes;53using Microsoft.Playwright.Tests.BaseTests;54using NUnit.Framework;55using NUnit.Framework.Interfaces;56{57    {58        [PlaywrightTest("page-event-request.spec.ts", "should fire for navigation

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.

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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.
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