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Puppeteer-sharp
PuppeteerSharp.Tests.DefaultBrowserContextTests
BrowserTargetEventsTests

How to use BrowserTargetEventsTests class of PuppeteerSharp.Tests.DefaultBrowserContextTests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.DefaultBrowserContextTests.BrowserTargetEventsTests

BrowserTargetEventsTests.cs

Source:BrowserTargetEventsTests.cs

...9using Xunit.Abstractions;10namespace PuppeteerSharp.Tests.DefaultBrowserContextTests11{12    [Collection(TestConstants.TestFixtureCollectionName)]13    public class BrowserTargetEventsTests : PuppeteerBrowserBaseTest14    {15        public BrowserTargetEventsTests(ITestOutputHelper output) : base(output)16        {17        }18        [PuppeteerTest("defaultbrowsercontext.spec.ts", "Browser target events", "should work")]19        [SkipBrowserFact(skipFirefox: true)]20        public async Task ShouldWork()21        {22            var events = new List<string>();23            Browser.TargetCreated += (_, _) => events.Add("CREATED");24            Browser.TargetChanged += (_, _) => events.Add("CHANGED");25            Browser.TargetDestroyed += (_, _) => events.Add("DESTROYED");26            var page = await Browser.NewPageAsync();27            await page.GoToAsync(TestConstants.EmptyPage);28            await page.CloseAsync();29            Assert.Equal(new[] { "CREATED", "CHANGED", "DESTROYED" }, events);...

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    [Collection("PuppeteerLoaderFixture collection")]7    {8        public BrowserTargetEventsTests(ITestOutputHelper output) : base(output)9        {10        }11        [Fact(Timeout = PuppeteerSharp.Puppeteer.DefaultTimeout)]12        public async Task ShouldEmitTargetcreatedAndTargetdestroyedEvents()13        {14            var targetCreatedTaskWrapper = new TaskCompletionSource<Target>();15            var targetCreatedTask = targetCreatedTaskWrapper.Task;16            var targetDestroyedTaskWrapper = new TaskCompletionSource<Target>();17            var targetDestroyedTask = targetDestroyedTaskWrapper.Task;18            var targetChangedTaskWrapper = new TaskCompletionSource<Target>();19            var targetChangedTask = targetChangedTaskWrapper.Task;20            var targetInfoChangedTaskWrapper = new TaskCompletionSource<Target>();21            var targetInfoChangedTask = targetInfoChangedTaskWrapper.Task;22            void TargetCreated(object sender, TargetChangedArgs e)23            {24                targetCreatedTaskWrapper.TrySetResult(e.Target);25            }26            void TargetDestroyed(object sender, TargetChangedArgs e)27            {28                targetDestroyedTaskWrapper.TrySetResult(e.Target);29            }30            void TargetChanged(object sender, TargetChangedArgs e)31            {32                targetChangedTaskWrapper.TrySetResult(e.Target);33            }34            void TargetInfoChanged(object sender, TargetChangedArgs e)35            {36                targetInfoChangedTaskWrapper.TrySetResult(e.Target);37            }38            Browser.TargetCreated += TargetCreated;39            Browser.TargetDestroyed += TargetDestroyed;40            Browser.TargetChanged += TargetChanged;41            Browser.TargetInfoChanged += TargetInfoChanged;42            var newPage = await Browser.NewPageAsync();43            var newTarget = newPage.Target;44            var createdTarget = await targetCreatedTask;45            Assert.Equal(newTarget, createdTarget);46            var changedTarget = await targetChangedTask;47            Assert.Equal(newTarget, changedTarget);48            var infoChangedTarget = await targetInfoChangedTask;49            Assert.Equal(newTarget, infoChanged

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8{9    {10        public async Task ShouldFireEventsInProperOrder()11        {12            var events = new List<string>();13            var targetCreated = new TaskCompletionSource<Target>();14            var targetChanged = new TaskCompletionSource<Target>();15            var targetDestroyed = new TaskCompletionSource<Target>();16            var browserContext = await Browser.CreateIncognitoBrowserContextAsync();17            browserContext.TargetCreated += (sender, e) =>18            {19                events.Add("CREATED");20                targetCreated.TrySetResult(e.Target);21            };22            browserContext.TargetChanged += (sender, e) =>23            {24                events.Add("CHANGED");25                targetChanged.TrySetResult(e.Target);26            };27            browserContext.TargetDestroyed += (sender, e) =>28            {29                events.Add("DESTROYED");30                targetDestroyed.TrySetResult(e.Target);31            };32            var page = await browserContext.NewPageAsync();33            await page.GoToAsync(TestConstants.EmptyPage);34            await targetCreated.Task;35            await targetChanged.Task;36            await page.CloseAsync();37            await targetDestroyed.Task;38            Assert.Equal(new[] { "CREATED", "CHANGED", "DESTROYED" }, events);39        }40        public async Task ShouldFireEventsInProperOrderWithPages()41        {42            var events = new List<string>();43            var targetCreated = new TaskCompletionSource<Target>();44            var targetChanged = new TaskCompletionSource<Target>();45            var targetDestroyed = new TaskCompletionSource<Target>();46            var browserContext = await Browser.CreateIncognitoBrowserContextAsync();47            browserContext.TargetCreated += (sender, e) =>48            {49                events.Add("CREATED");50                targetCreated.TrySetResult(e.Target);51            };52            browserContext.TargetChanged += (sender, e) =>53            {54                events.Add("CHANGED");55                targetChanged.TrySetResult(e.Target);56            };57            browserContext.TargetDestroyed += (sender, e) =>58            {59                events.Add("DESTROYED");60                targetDestroyed.TrySetResult(e.Target);61            };62            var page = await browserContext.NewPageAsync();63            await page.GoToAsync(TestConstants

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10    {11        public BrowserTargetEventsTests(ITestOutputHelper output) : base(output)12        {13        }14        [Fact(Timeout = TestsConstants.DefaultTestTimeout)]15        public async Task ShouldFireTargetEvents()16        {17            var newPageTarget = new TaskCompletionSource<Target>();18            var newPage = new TaskCompletionSource<Page>();19            var attachedToTarget = new TaskCompletionSource<Target>();20            var detachedFromTarget = new TaskCompletionSource<Target>();21            var closedPage = new TaskCompletionSource<Page>();22            var targetDestroyed = new TaskCompletionSource<Target>();23            Browser.TargetCreated += (sender, e) => newPageTarget.TrySetResult(e.Target);24            Browser.TargetCreated += (sender, e) => attachedToTarget.TrySetResult(e.Target);25            Browser.TargetDestroyed += (sender, e) => targetDestroyed.TrySetResult(e.Target);26            Browser.TargetDestroyed += (sender, e) => detachedFromTarget.TrySetResult(e.Target);27            var page = await NewPageAsync();28            page.Close += (sender, e) => closedPage.TrySetResult((Page)sender);29            var newPageTargetTask = newPageTarget.Task;30            var newPageTask = newPage.Task;31            var attachedToTargetTask = attachedToTarget.Task;32            var detachedFromTargetTask = detachedFromTarget.Task;33            var closedPageTask = closedPage.Task;34            var targetDestroyedTask = targetDestroyed.Task;35            var otherPage = await Browser.NewPageAsync();36            var newPageTargetResult = await newPageTargetTask;37            var newPageResult = await newPageTask;38            var attachedToTargetResult = await attachedToTargetTask;39            var detachedFromTargetResult = await detachedFromTargetTask;40            var closedPageResult = await closedPageTask;41            var targetDestroyedResult = await targetDestroyedTask;42            Assert.Equal(newPageResult, newPageTargetResult.Page);43            Assert.Equal(newPageResult, attachedToTargetResult.Page);44            Assert.Equal(newPageResult, detachedFromTargetResult.Page);45            Assert.Equal(newPageResult, closedPageResult);46            Assert.Equal(newPageResult, targetDestroyedResult.Page);

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        [PuppeteerTest("defaultbrowsercontext.spec.ts", "Browser.Events.Targetcreated", "should work")]9        public async Task ShouldWork()10        {11            var newPagePromise = Context.WaitForTargetAsync(t => t.Url == "about:blank");12            var newPage = await Page.EvaluateFunctionAsync<Page>("url => window.open(url)", "about:blank");13            var newTarget = await newPagePromise;14            Assert.Equal(newPage.Target, newTarget);15        }16    }17}18using PuppeteerSharp.Tests.DefaultBrowserContextTests;19using System;20using System.Collections.Generic;21using System.Text;22using System.Threading.Tasks;23{24    {25        [PuppeteerTest("defaultbrowsercontext.spec.ts", "Browser.Events.Targetcreated", "should be emitted when a service worker is initialized")]26        public async Task ShouldBeEmittedWhenAServiceWorkerIsInitialized()27        {28            var swCreated = Context.WaitForTargetAsync(t => t.Url == "about:blank");29            await Page.GotoAsync(TestConstants.ServerUrl + "/serviceworkers/fetchdummy/sw.html");30            var swTarget = await swCreated;31            Assert.Equal("service_worker", swTarget.Type);32            Assert.Equal("about:blank", swTarget.Url);33        }34    }35}36using PuppeteerSharp.Tests.DefaultBrowserContextTests;37using System;38using System.Collections.Generic;39using System.Text;40using System.Threading.Tasks;41{42    {43        [PuppeteerTest("defaultbrowsercontext.spec.ts", "Browser.Events.Targetcreated", "should not be emitted when a page is initialized")]

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await BrowserTargetEventsTests.Run();9        }10    }11}12using PuppeteerSharp.Tests.DefaultBrowserContextTests;13using System;14using System.Threading.Tasks;15{16    {17        static async Task Main(string[] args)18        {19            await BrowserTargetEventsTests.Run();20        }21    }22}23using PuppeteerSharp.Tests.DefaultBrowserContextTests;24using System;25using System.Threading.Tasks;26{27    {28        static async Task Main(string[] args)29        {30            await BrowserTargetEventsTests.Run();31        }32    }33}34using PuppeteerSharp.Tests.DefaultBrowserContextTests;35using System;36using System.Threading.Tasks;37{38    {39        static async Task Main(string[] args)40        {41            await BrowserTargetEventsTests.Run();42        }43    }44}45using PuppeteerSharp.Tests.DefaultBrowserContextTests;46using System;47using System.Threading.Tasks;48{49    {50        static async Task Main(string[] args)51        {52            await BrowserTargetEventsTests.Run();53        }54    }55}56using PuppeteerSharp.Tests.DefaultBrowserContextTests;57using System;58using System.Threading.Tasks;59{

BrowserTargetEventsTests

Using AI Code Generation

1using PuppeteerSharp.Tests.DefaultBrowserContextTests;2using System;3using System.Collections.Generic;4using System.Threading.Tasks;5{6    [Collection(TestConstants.TestFixtureCollectionName)]7    {8        public async Task ShouldEmitTargetCreatedAndTargetDestroyedEvents()9        {10            var targets = new List<Target>();11            void TargetCreated(object sender, TargetCreatedEventArgs e)12            {13                targets.Add(e.Target);14            }15            void TargetDestroyed(object sender, TargetDestroyedEventArgs e)16            {17                targets.Remove(e.Target);18            }19            Browser.TargetCreated += TargetCreated;20            Browser.TargetDestroyed += TargetDestroyed;21            var newPageTask = Browser.WaitForTargetAsync(TargetType.Page);22            await Task.WhenAll(23                Page.EvaluateFunctionAsync("url => window.open(url)", TestConstants.EmptyPage)24            );25            var newPage = await newPageTask;26            Assert.Contains(newPage, targets);27            var popupTarget = newPage;28            var popupTask = popupTarget.PageAsync();29            await Task.WhenAll(30                Page.EvaluateExpressionAsync("window.open('about:blank')")31            );32            var popup = await popupTask;33            Assert.Contains(popup.Target, targets);34            await Task.WhenAll(35                Page.EvaluateExpressionAsync("window.close()")36            );37            Assert.DoesNotContain(popup.Target, targets);38            Browser.TargetCreated -= TargetCreated;39            Browser.TargetDestroyed -= TargetDestroyed;40        }41    }42}43using PuppeteerSharp.Tests.DefaultBrowserContextTests;44using System;45using System.Collections.Generic;46using System.Threading.Tasks;47{48    [Collection(TestConstants.TestFixtureCollectionName)]49    {50        public async Task ShouldEmitTargetCreatedAndTargetDestroyedEvents()51        {52            var targets = new List<Target>();53            void TargetCreated(object sender, TargetCreatedEventArgs e)54            {55                targets.Add(e.Target);56            }57            void TargetDestroyed(object sender, TargetDestroyedEventArgs e)58            {59                targets.Remove(e.Target);60            }61            Browser.TargetCreated += TargetCreated;

BrowserTargetEventsTests

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.DefaultBrowserContextTests;4using System.Threading;5using System.Diagnostics;6using System.IO;7{8    {9        static async Task Main(string[] args)10        {11            var browser = await Puppeteer.LaunchAsync(new LaunchOptions12            {13                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"14            });15            var page = await browser.NewPageAsync();16            var target = await page.Target.CreateCDPSessionAsync();17            await target.SendAsync("Target.setAutoAttach", new { autoAttach = true, waitForDebuggerOnStart = true, flatten = true });18            var targetCreated = new TaskCompletionSource<Target>();19            var targetDestroyed = new TaskCompletionSource<Target>();20            var targetChanged = new TaskCompletionSource<Target>();21            var targetInfoChanged = new TaskCompletionSource<Target>();22            browser.TargetCreated += (sender, e) => targetCreated.TrySetResult(e.Target);23            browser.TargetDestroyed += (sender, e) => targetDestroyed.TrySetResult(e.Target);24            browser.TargetChanged += (sender, e) => targetChanged.TrySetResult(e.Target);25            browser.TargetInfoChanged += (sender, e) => targetInfoChanged.TrySetResult(e.Target);26            await page.EvaluateFunctionAsync(@"() => {27                const iframe = document.createElement('iframe');28                document.body.appendChild(iframe);29                return new Promise(x => iframe.onload = x);30            }");31            var newTarget = await targetCreated.Task;32            var newPage = await newTarget.PageAsync();33            await page.EvaluateFunctionAsync(@"() => {34                const iframe = document.querySelector('iframe');35                iframe.remove();36                return new Promise(x => setTimeout(x, 5000));37            }");38            var destroyedTarget = await targetDestroyed.Task;39            Console.WriteLine($"Target destroyed: {destroyedTarget.Url}");40            await browser.CloseAsync();41        }42    }43}

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