[Live Now] Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Join for FREE! Join TestMu Conference

How to use ShouldRejectAllPromisesWhenPageIsClosed method of PuppeteerSharp.Tests.PageTests.CloseTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.PageTests.CloseTests.ShouldRejectAllPromisesWhenPageIsClosed

CloseTests.cs

Source:CloseTests.cs

...7    public class CloseTests : PuppeteerBrowserBaseTest8    {9        public CloseTests(ITestOutputHelper output) : base(output) { }10        [Fact]11        public async Task ShouldRejectAllPromisesWhenPageIsClosed()12        {13            var newPage = await Browser.NewPageAsync();14            var neverResolves = newPage.EvaluateFunctionAsync("() => new Promise(r => {})");15            // Put into a var to avoid warning16            var t = newPage.CloseAsync();17            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () => await neverResolves);18            Assert.Contains("Protocol error", exception.Message);19        }20    }21}...

ShouldRejectAllPromisesWhenPageIsClosed

Using AI Code Generation

1{2    [Collection("PuppeteerLoaderFixture collection")]3    {4        public CloseTests(ITestOutputHelper output) : base(output)5        {6        }7        public async Task ShouldRejectAllPromisesWhenPageIsClosed()8        {9            var newPage = await Context.NewPageAsync();10            var neverResolves = newPage.EvaluateFunctionAsync("() => new Promise(r => {})");11            var closed = newPage.CloseAsync();12            var exception = await Assert.ThrowsAsync<Exception>(() => neverResolves);13            Assert.Contains("Protocol error", exception.Message);14            await closed;15        }16    }17}18{19    [Collection("PuppeteerLoaderFixture collection")]20    {21        public CloseTests(ITestOutputHelper output) : base(output)22        {23        }24        public async Task ShouldRejectAllPromisesWhenBrowserIsClosed()25        {26            var newPage = await Context.NewPageAsync();27            var neverResolves = newPage.EvaluateFunctionAsync("() => new Promise(r => {})");28            await Browser.CloseAsync();29            var exception = await Assert.ThrowsAsync<Exception>(() => neverResolves);30            Assert.Contains("Protocol error", exception.Message);31        }32    }33}34{35    [Collection("PuppeteerLoaderFixture collection")]36    {37        public CloseTests(ITestOutputHelper output) : base(output)38        {39        }40        public async Task ShouldWork()41        {42            await Page.GoToAsync(TestConstants.EmptyPage);43            await Page.EvaluateFunctionAsync(@"() => {44                window.__popup = window.open('about:blank');45                window.__popup.document.write('<h1>Yo!</h1>');46                window.__popup.document.close();47            }");48            var popup = Page.Frames[1];49            Assert.Equal("Yo!", await popup.EvaluateExpressionAsync<string>("document.querySelector

ShouldRejectAllPromisesWhenPageIsClosed

Using AI Code Generation

1using System;2using System.Linq;3using System.Threading.Tasks;4using PuppeteerSharp.Tests.Attributes;5using Xunit;6using Xunit.Abstractions;7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    {10        public ShouldRejectAllPromisesWhenPageIsClosedTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("page.spec.ts", "Page.close", "should reject all promises when page is closed")]14        public async Task ShouldRejectAllPromisesWhenPageIsClosed()15        {16            var newPage = await Context.NewPageAsync();17            var neverResolves = newPage.EvaluateFunctionHandleAsync("() => new Promise(r => {})");18            await newPage.CloseAsync();19            var exception = await Assert.ThrowsAnyAsync<Exception>(() => neverResolves);20            Assert.Contains("Protocol error", exception.Message);21        }22    }23}24using System;25using System.Threading.Tasks;26using PuppeteerSharp.Tests.Attributes;27using Xunit;28using Xunit.Abstractions;29{30    [Collection(TestConstants.TestFixtureCollectionName)]31    {32        public ShouldRejectNavigationWhenPageIsClosedTests(ITestOutputHelper output) : base(output)33        {34        }35        [PuppeteerTest("page.spec.ts", "Page.close", "should reject navigation when page is closed")]36        public async Task ShouldRejectNavigationWhenPageIsClosed()37        {38            var newPage = await Context.NewPageAsync();39            var neverResolves = newPage.GoToAsync(TestConstants.EmptyPage);40            await newPage.CloseAsync();41            var exception = await Assert.ThrowsAnyAsync<Exception>(() => neverResolves);42            Assert.Contains("Protocol error", exception.Message);43        }44    }45}

ShouldRejectAllPromisesWhenPageIsClosed

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    [Collection("PuppeteerLoaderFixture collection")]10    {11        public CloseTests(ITestOutputHelper output) : base(output)12        {13        }14        public async Task ShouldRejectAllPromisesWhenPageIsClosed()15        {16            var newPage = await Context.NewPageAsync();17            var neverResolves = newPage.EvaluateExpressionAsync("new Promise(r => {})");18            await newPage.CloseAsync();19            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);20            Assert.Contains("Protocol error", exception.Message);21        }22        public async Task ShouldRejectNavigationPromisesWhenPageIsClosed()23        {24            var newPage = await Context.NewPageAsync();25            await newPage.CloseAsync();26            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);27            Assert.Contains("Protocol error", exception.Message);28        }29        public async Task ShouldRunBeforeunloadIfAskedFor()30        {31            await Page.GoToAsync(TestConstants.EmptyPage);32            await Page.ClickAsync("body");33            await Page.EvaluateFunctionAsync("() => window.beforeunload = () => 'yes'");34            var dialogTask = Page.WaitForDialogAsync();35            var closeTask = Page.CloseAsync(new CloseOptions { RunBeforeUnload = true });36            var dialog = await dialogTask;37            Assert.Equal(DialogType.BeforeUnload, dialog.Type);38            Assert.Equal("yes", dialog.Message);39            await dialog.AcceptAsync();40            await closeTask;41        }42        public async Task ShouldNotRunBeforeunloadByDefault()43        {44            await Page.GoToAsync(TestConstants.EmptyPage);45            await Page.EvaluateFunctionAsync("() => window.beforeunload = () => 'yes'");46            var closeTask = Page.CloseAsync(new CloseOptions { RunBeforeUnload = false });47            await closeTask;48        }49        public async Task ShouldBeCallableTwice()50        {

ShouldRejectAllPromisesWhenPageIsClosed

Using AI Code Generation

1await page.CloseAsync();2await page.CloseAsync();3await page.CloseAsync();4await page.CloseAsync();5await page.CloseAsync();6await page.CloseAsync();7await page.CloseAsync();8await page.CloseAsync();9await page.CloseAsync();10await page.CloseAsync();

ShouldRejectAllPromisesWhenPageIsClosed

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using System.Collections.Generic;4using System.Linq;5using System.Text.RegularExpressions;6using PuppeteerSharp;7using PuppeteerSharp.Tests.Attributes;8using Xunit;9using Xunit.Abstractions;10{11    [Collection(TestConstants.TestFixtureCollectionName)]12    {13        public ShouldRejectAllPromisesWhenPageIsClosed(ITestOutputHelper output) : base(output)14        {15        }16        [PuppeteerTest("page.spec.ts", "Page.close", "should reject all promises when page is closed")]17        public async Task ShouldRejectAllPromisesWhenPageIsClosed()18        {19            var newPage = await Context.NewPageAsync();20            var neverResolves = newPage.EvaluateFunctionHandleAsync("() => new Promise(r => {})");21            await newPage.CloseAsync();22            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);23            Assert.Contains("Protocol error", exception.Message);24        }25    }26}27using System;28using System.Threading.Tasks;29using System.Collections.Generic;30using System.Linq;31using System.Text.RegularExpressions;32using PuppeteerSharp;33using PuppeteerSharp.Tests.Attributes;34using Xunit;35using Xunit.Abstractions;36{37    [Collection(TestConstants.TestFixtureCollectionName)]38    {39        public ShouldRejectAllPromisesWhenPageIsClosed(ITestOutputHelper output) : base(output)40        {41        }42        [PuppeteerTest("page.spec.ts", "Page.close", "should reject all promises when page is closed")]43        public async Task ShouldRejectAllPromisesWhenPageIsClosed()44        {45            var newPage = await Context.NewPageAsync();46            var neverResolves = newPage.EvaluateFunctionHandleAsync("() => new Promise(r => {})");47            await newPage.CloseAsync();48            var exception = await Assert.ThrowsAsync<TargetClosedException>(() => neverResolves);49            Assert.Contains("Protocol error", exception.Message);50        }51    }52}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.