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How to use ShouldFire method of Microsoft.Playwright.Tests.PageEventPageErrorTests class

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

PageEventPageErrorTests.cs

Source:PageEventPageErrorTests.cs

...29{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!45    at c (myscript.js:14:11)46    at b (myscript.js:10:5)47    at a (myscript.js:6:5)...

ShouldFire

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.IO;5    using System.Text;6    using System.Threading.Tasks;7    using Microsoft.Playwright;8    using Xunit;9    using Xunit.Abstractions;10    {11        public PageEventPageErrorTests(ITestOutputHelper output) : base(output)12        {13        }14        [PlaywrightTest("page-event-page-error.spec.ts", "should fire")]15        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]16        public async Task ShouldFire()17        {18            var error = await Page.WaitForEventAsync(PageEvent.PageError, () => TaskUtils.WhenAll(19                Page.EvaluateAsync("() => setTimeout(() => { throw new Error(); }, 0)"),20                Page.EvaluateAsync("() => new Promise(f => setTimeout(f, 100))")21            ));22            Assert.Contains("Uncaught", error.Message);23        }24    }25}

ShouldFire

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Xunit;7    using Xunit.Abstractions;8    {9        internal PageEventPageErrorTests(ITestOutputHelper output) : base(output)10        {11        }12        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]13        public async Task ShouldFire()14        {15            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.EvaluateAsync("() => setTimeout(() => { throw new Error('this is my error'); }, 0)"));16            Assert.Contains("this is my error", exception.Message);17        }18    }19}

ShouldFire

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Threading.Tasks;7    using Microsoft.Playwright.Tests;8    using NUnit.Framework;9    using PlaywrightSharp;10    using PlaywrightSharp.Tests.BaseTests;11    using PlaywrightSharp.Tests.Helpers;12    using PlaywrightSharp.Tests.PageTests;13    using PlaywrightSharp.Transport.Channels;14    [Parallelizable(ParallelScope.Self)]15    {16        [PlaywrightTest("page-event-pageerror.spec.ts", "should throw on exception in page")]17        [Test, Timeout(TestConstants.DefaultTestTimeout)]18        public async Task ShouldThrowOnExceptionInPage()19        {20            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightSharpException>(() => Page.EvaluateAsync("() => not.existing.object.property"));21            StringAssert.Contains("not is not defined", exception.Message);22        }23        [PlaywrightTest("page-event-pageerror.spec.ts", "should throw on exception in page promise")]24        [Test, Timeout(TestConstants.DefaultTestTimeout)]25        public async Task ShouldThrowOnExceptionInPagePromise()26        {27            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightSharpException>(() => Page.EvaluateAsync("() => Promise.reject(new Error('WOOF WOOF'))"));28            StringAssert.Contains("WOOF WOOF", exception.Message);29        }30        [PlaywrightTest("page-event-pageerror.spec.ts", "should throw on exception in beforeunload")]31        [Test, Timeout(TestConstants.DefaultTestTimeout)]32        public async Task ShouldThrowOnExceptionInBeforeunload()33        {34            await Page.GoToAsync(TestConstants.EmptyPage);35            Page.SetContent("<html><body><script>window.addEventListener('beforeunload', e => { throw new Error('WOOF WOOF'); });</script></body></html>");36            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightSharpException>(() => Page.GoToAsync(TestConstants.EmptyPage + "1"));37            StringAssert.Contains("WOOF WOOF", exception.Message);38        }39        [PlaywrightTest("page-event-pageerror.spec.ts", "should not throw on exception in detached iframe")]40        [Test, Timeout(TestConstants.DefaultTestTimeout)]41        public async Task ShouldNotThrowOnExceptionInDetachedIframe()42        {

ShouldFire

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            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.TypeAsync("input.new-todo", "Learn Playwright");14            await page.PressAsync("input.new-todo", "Enter");15            await page.ClickAsync("input.toggle");16            await page.ClickAsync("button.destroy");17            await browser.CloseAsync();18        }19    }20}21  <RuntimeIdentifiers>win-x64;linux-x64;osx-x64</RuntimeIdentifiers>

ShouldFire

Using AI Code Generation

1await page.EvaluateAsync(@"() => {2    window.onerror = () => {};3    throw new Error('Error in window.onerror');4}");5await page.EvaluateAsync(@"() => {6    window.onerror = () => {};7    throw new Error('Error in window.onerror');8}");9await page.EvaluateAsync(@"() => {10    window.onerror = () => {};11    throw new Error('Error in window.onerror');12}");13await page.EvaluateAsync(@"() => {14    window.onerror = () => {};15    throw new Error('Error in window.onerror');16}");17await page.EvaluateAsync(@"() => {18    window.onerror = () => {};19    throw new Error('Error in window.onerror');20}");21await page.EvaluateAsync(@"() => {22    window.onerror = () => {};23    throw new Error('Error in window.onerror');24}");25await page.EvaluateAsync(@"() => {26    window.onerror = () => {};27    throw new Error('Error in window.onerror');28}");29await page.EvaluateAsync(@"() => {30    window.onerror = () => {};31    throw new Error('Error in window.onerror');32}");33await page.EvaluateAsync(@"() => {34    window.onerror = () => {};35    throw new Error('Error in window.onerror');36}");37await page.EvaluateAsync(@"() => {38    window.onerror = () => {};39    throw new Error('Error in window.onerror');40}");

ShouldFire

Using AI Code Generation

1var result = await page.EvaluateAsync<bool>("() => {2    return window.__shouldFire;3}");4Console.WriteLine(result);5var result = await page.EvaluateAsync<bool>("() => {6    return window.__shouldFire;7}");8Console.WriteLine(result);9var result = await page.EvaluateAsync<bool>("() => {10    return window.__shouldFire;11}");12Console.WriteLine(result);13var result = await page.EvaluateAsync<bool>("() => {14    return window.__shouldFire;15}");16Console.WriteLine(result);17var result = await page.EvaluateAsync<bool>("() => {18    return window.__shouldFire;19}");20Console.WriteLine(result);21var result = await page.EvaluateAsync<bool>("() => {22    return window.__shouldFire;23}");24Console.WriteLine(result);25var result = await page.EvaluateAsync<bool>("() => {26    return window.__shouldFire;27}");28Console.WriteLine(result);29var result = await page.EvaluateAsync<bool>("() => {30    return window.__shouldFire;31}");32Console.WriteLine(result);33var result = await page.EvaluateAsync<bool>("() => {34    return window.__shouldFire;35}");36Console.WriteLine(result);37var result = await page.EvaluateAsync<bool>("() => {38    return window.__shouldFire;39}");40Console.WriteLine(result);

ShouldFire

Using AI Code Generation

1var result = await Page.ShouldFire("pageerror", async () =>2{3    await Page.EvaluateAsync("() => setTimeout(() => { throw new Error('error'); }, 0)");4});5Assert.True(result);6var result = await Page.ShouldFire("pageerror", async () =>7{8    await Page.ClickAsync("button");9});10Assert.True(result);11var result = await Page.ShouldFire("pageerror", async () =>12{13    await Page.ClickAsync("button");14});15Assert.True(result);16var result = await Page.ShouldFire("pageerror", async () =>17{18    await Page.EvaluateAsync("() => setTimeout(() => { throw new Error('error'); }, 0)");19});20Assert.True(result);21var result = await Page.ShouldFire("pageerror", async () =>22{23    await Page.ClickAsync("button");24});25Assert.True(result);26var result = await Page.ShouldFire("pageerror", async () =>27{28    await Page.ClickAsync("button");29});30Assert.True(result);31var result = await Page.ShouldFire("pageerror", async () =>32{33    await Page.EvaluateAsync("() => setTimeout(() => { throw new Error('error'); }, 0)");34});35Assert.True(result);36var result = await Page.ShouldFire("pageerror", async () =>37{38    await Page.ClickAsync("button");39});40Assert.True(result);

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.