How to use WaitForTargetAsync method of PuppeteerSharp.Browser class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Browser.WaitForTargetAsync

PuppeteerBrowserBuilder.cs

Source:PuppeteerBrowserBuilder.cs

...264                return await page.GetContentAsync();265            }266            async Task<Page> IPuppeteerBrowser.WaitGetPage(Page page, string selector, string targetId)267            { 268                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId, new WaitForOptions { Timeout = 10 * 1000 });269                var newPage = await newTarget.PageAsync();270                await SetPageOptions(newPage);271                await newPage.WaitForSelectorAsync(selector);272                return newPage;273            }274            async Task IPuppeteerBrowser.CloseAsync()275            {276                await _browser.CloseAsync();277            }278            async Task<Page> IPuppeteerBrowser.ClickAndGetPage(ElementHandle element, string targetId)279            {280                await element.ClickAsync();281                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId);282                var newPage = await newTarget.PageAsync();283                await SetPageOptions(newPage);284                return newPage;285            }286            async Task<Page> IPuppeteerBrowser.MouseClickAndGetPage(BoundingBox box, Page page)287            {288                int retryN = 0;289                return await _policyNoData.ExecuteAsync(async () =>290                {291                    var pages = await _browserContext.PagesAsync();292                    var pageCount = pages.Length;293                    var listId = new List<string>();294                    foreach (var page1 in pages)295                    {296                        var id = page1.Target?.TargetId;297                        listId.Add(id);298                    }299                    await page.Keyboard.DownAsync("Control");300                    await page.Mouse.ClickAsync(box.X + (box.Width / _diagonalClickDevisors[retryN]), box.Y + (box.Height / _diagonalClickDevisors[retryN]));301                    await page.Keyboard.UpAsync("Control");302                    var pages1 = await _browserContext.PagesAsync();303                    if (pages1.Length <= pageCount)304                    {305                        retryN++;306                        throw new TimeoutException();307                    }308                    var newPage = pages1.FirstOrDefault(a => !listId.Contains(a.Target?.TargetId));309                    if (newPage == null)310                    {311                        throw new InvalidOperationException("Page not found after click");312                    }313                    if (_puppeteerContext.DialogHandler != null)314                    {315                        newPage.Dialog += _puppeteerContext.DialogHandler;316                    }317                    await SetPageOptions(newPage);318                    return newPage;319                });320            }321            async Task<Page> IPuppeteerBrowser.ClickAndGetPage(ElementHandle element, string targetId, WaitForOptions waitForOptions)322            {323                await element.ClickAsync();324                var newTarget = await _browserContext.WaitForTargetAsync(a => a.Opener?.TargetId == targetId, waitForOptions);325                var newPage = await newTarget.PageAsync();326                await SetPageOptions(newPage);327                return newPage;328            }329            async Task<string> IPuppeteerBrowser.ClickButtonForContinue(Page page, string buttonXPath, string adUrl, params WaitUntilNavigation[] waitUntilNavigations)330            {331                var continueButtons = page.XPathAsync(buttonXPath);332                _logger.Info($"Needed click on button for continue. Url: {adUrl}");333                foreach (var continueButton in await continueButtons)334                {335                    _logger.Debug($"Will click on {buttonXPath}");336                    await continueButton.ClickAsync();337                    var navigationTask = page.WaitForNavigationAsync(new NavigationOptions338                    {...

TargetTests.cs

Source:TargetTests.cs

...55        [PuppeteerTest("target.spec.ts", "Target", "should report when a new page is created and closed")]56        [SkipBrowserFact(skipFirefox: true)]57        public async Task ShouldReportWhenANewPageIsCreatedAndClosed()58        {59            var otherPageTask = Context.WaitForTargetAsync(t => t.Url == TestConstants.CrossProcessUrl + "/empty.html")60                .ContinueWith(t => t.Result.PageAsync());61            await Task.WhenAll(62                otherPageTask,63                Page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.CrossProcessUrl + "/empty.html")64                );65            var otherPage = await otherPageTask.Result;66            Assert.Contains(TestConstants.CrossProcessUrl, otherPage.Url);67            Assert.Equal("Hello world", await otherPage.EvaluateExpressionAsync<string>("['Hello', 'world'].join(' ')"));68            Assert.NotNull(await otherPage.QuerySelectorAsync("body"));69            var allPages = await Context.PagesAsync();70            Assert.Contains(Page, allPages);71            Assert.Contains(otherPage, allPages);72            var closePageTaskCompletion = new TaskCompletionSource<Page>();73            async void TargetDestroyedEventHandler(object sender, TargetChangedArgs e)74            {75                closePageTaskCompletion.SetResult(await e.Target.PageAsync());76                Context.TargetDestroyed -= TargetDestroyedEventHandler;77            }78            Context.TargetDestroyed += TargetDestroyedEventHandler;79            await otherPage.CloseAsync();80            Assert.Equal(otherPage, await closePageTaskCompletion.Task);81            allPages = await Task.WhenAll(Context.Targets().Select(target => target.PageAsync()));82            Assert.Contains(Page, allPages);83            Assert.DoesNotContain(otherPage, allPages);84        }85        [PuppeteerTest("target.spec.ts", "Target", "should report when a service worker is created and destroyed")]86        [SkipBrowserFact(skipFirefox: true)]87        public async Task ShouldReportWhenAServiceWorkerIsCreatedAndDestroyed()88        {89            await Page.GoToAsync(TestConstants.EmptyPage);90            var createdTargetTaskCompletion = new TaskCompletionSource<Target>();91            void TargetCreatedEventHandler(object sender, TargetChangedArgs e)92            {93                createdTargetTaskCompletion.SetResult(e.Target);94                Context.TargetCreated -= TargetCreatedEventHandler;95            }96            Context.TargetCreated += TargetCreatedEventHandler;97            await Page.GoToAsync(TestConstants.ServerUrl + "/serviceworkers/empty/sw.html");98            var createdTarget = await createdTargetTaskCompletion.Task;99            Assert.Equal(TargetType.ServiceWorker, createdTarget.Type);100            Assert.Equal(TestConstants.ServerUrl + "/serviceworkers/empty/sw.js", createdTarget.Url);101            var targetDestroyedTaskCompletion = new TaskCompletionSource<Target>();102            void TargetDestroyedEventHandler(object sender, TargetChangedArgs e)103            {104                targetDestroyedTaskCompletion.SetResult(e.Target);105                Context.TargetDestroyed -= TargetDestroyedEventHandler;106            }107            Context.TargetDestroyed += TargetDestroyedEventHandler;108            await Page.EvaluateExpressionAsync("window.registrationPromise.then(registration => registration.unregister())");109            Assert.Equal(createdTarget, await targetDestroyedTaskCompletion.Task);110        }111        [PuppeteerTest("target.spec.ts", "Target", "should create a worker from a service worker")]112        [SkipBrowserFact(skipFirefox: true)]113        public async Task ShouldCreateAWorkerFromAServiceWorker()114        {115            await Page.GoToAsync(TestConstants.ServerUrl + "/serviceworkers/empty/sw.html");116            var target = await Context.WaitForTargetAsync(t => t.Type == TargetType.ServiceWorker);117            var worker = await target.WorkerAsync();118            Assert.Equal("[object ServiceWorkerGlobalScope]", await worker.EvaluateFunctionAsync("() => self.toString()"));119        }120        [PuppeteerTest("target.spec.ts", "Target", "should create a worker from a shared worker")]121        [SkipBrowserFact(skipFirefox: true)]122        public async Task ShouldCreateAWorkerFromASharedWorker()123        {124            await Page.GoToAsync(TestConstants.EmptyPage);125            await Page.EvaluateFunctionAsync(@"() =>126            {127                new SharedWorker('data:text/javascript,console.log(""hi"")');128            }");129            var target = await Context.WaitForTargetAsync(t => t.Type == TargetType.SharedWorker);130            var worker = await target.WorkerAsync();131            Assert.Equal("[object SharedWorkerGlobalScope]", await worker.EvaluateFunctionAsync("() => self.toString()"));132        }133        [PuppeteerTest("target.spec.ts", "Target", "should report when a target url changes")]134        [SkipBrowserFact(skipFirefox: true)]135        public async Task ShouldReportWhenATargetUrlChanges()136        {137            await Page.GoToAsync(TestConstants.EmptyPage);138            var changedTargetTaskCompletion = new TaskCompletionSource<Target>();139            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)140            {141                changedTargetTaskCompletion.SetResult(e.Target);142                Context.TargetChanged -= ChangedTargetEventHandler;143            }144            Context.TargetChanged += ChangedTargetEventHandler;145            await Page.GoToAsync(TestConstants.CrossProcessUrl + "/");146            var changedTarget = await changedTargetTaskCompletion.Task;147            Assert.Equal(TestConstants.CrossProcessUrl + "/", changedTarget.Url);148            changedTargetTaskCompletion = new TaskCompletionSource<Target>();149            Context.TargetChanged += ChangedTargetEventHandler;150            await Page.GoToAsync(TestConstants.EmptyPage);151            changedTarget = await changedTargetTaskCompletion.Task;152            Assert.Equal(TestConstants.EmptyPage, changedTarget.Url);153        }154        [PuppeteerTest("target.spec.ts", "Target", "should not report uninitialized pages")]155        [SkipBrowserFact(skipFirefox: true)]156        public async Task ShouldNotReportUninitializedPages()157        {158            var targetChanged = false;159            void listener(object sender, TargetChangedArgs e) => targetChanged = true;160            Context.TargetChanged += listener;161            var targetCompletionTask = new TaskCompletionSource<Target>();162            void TargetCreatedEventHandler(object sender, TargetChangedArgs e)163            {164                targetCompletionTask.SetResult(e.Target);165                Context.TargetCreated -= TargetCreatedEventHandler;166            }167            Context.TargetCreated += TargetCreatedEventHandler;168            var newPageTask = Context.NewPageAsync();169            var target = await targetCompletionTask.Task;170            Assert.Equal(TestConstants.AboutBlank, target.Url);171            var newPage = await newPageTask;172            targetCompletionTask = new TaskCompletionSource<Target>();173            Context.TargetCreated += TargetCreatedEventHandler;174            var evaluateTask = newPage.EvaluateExpressionHandleAsync("window.open('about:blank')");175            var target2 = await targetCompletionTask.Task;176            Assert.Equal(TestConstants.AboutBlank, target2.Url);177            await evaluateTask;178            await newPage.CloseAsync();179            Assert.False(targetChanged, "target should not be reported as changed");180            Context.TargetChanged -= listener;181        }182        [PuppeteerTest("target.spec.ts", "Target", "should not crash while redirecting if original request was missed")]183        [SkipBrowserFact(skipFirefox: true)]184        public async Task ShouldNotCrashWhileRedirectingIfOriginalRequestWasMissed()185        {186            var serverResponseEnd = new TaskCompletionSource<bool>();187            var serverResponse = (HttpResponse)null;188            Server.SetRoute("/one-style.css", context => { serverResponse = context.Response; return serverResponseEnd.Task; });189            // Open a new page. Use window.open to connect to the page later.190            await Task.WhenAll(191              Page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/one-style.html"),192              Server.WaitForRequest("/one-style.css")193            );194            // Connect to the opened page.195            var target = await Context.WaitForTargetAsync(t => t.Url.Contains("one-style.html"));196            var newPage = await target.PageAsync();197            // Issue a redirect.198            serverResponse.Redirect("/injectedstyle.css");199            serverResponseEnd.SetResult(true);200            // Wait for the new page to load.201            await WaitEvent(newPage.Client, "Page.loadEventFired");202            // Cleanup.203            await newPage.CloseAsync();204        }205        [PuppeteerTest("target.spec.ts", "Target", "should have an opener")]206        [SkipBrowserFact(skipFirefox: true)]207        public async Task ShouldHaveAnOpener()208        {209            await Page.GoToAsync(TestConstants.EmptyPage);...

BrowserContextTests.cs

Source:BrowserContextTests.cs

...144        [SkipBrowserFact(skipFirefox: true)]145        public async Task ShouldWaitForTarget()146        {147            var context = await Browser.CreateIncognitoBrowserContextAsync();148            var targetPromise = context.WaitForTargetAsync((target) => target.Url == TestConstants.EmptyPage);149            var page = await context.NewPageAsync();150            await page.GoToAsync(TestConstants.EmptyPage);151            var promiseTarget = await targetPromise;152            var targetPage = await promiseTarget.PageAsync();153            Assert.Equal(targetPage, page);154            await context.CloseAsync();155        }156        [PuppeteerTest("browsercontext.spec.ts", "BrowserContext", "should timeout waiting for non existant target")]157        [PuppeteerFact]158        public async Task ShouldTimeoutWaitingForNonExistantTarget()159        {160            var context = await Browser.CreateIncognitoBrowserContextAsync();161            await Assert.ThrowsAsync<TimeoutException>(()162                => context.WaitForTargetAsync((target) => target.Url == TestConstants.EmptyPage, new WaitForOptions { Timeout = 1 }));163            await context.CloseAsync();164        }165    }166}...

HeadfulTests.cs

Source:HeadfulTests.cs

...19                TestConstants.BrowserWithExtensionOptions(),20                TestConstants.LoggerFactory))21            using (var page = await browserWithExtension.NewPageAsync())22            {23                var backgroundPageTarget = await browserWithExtension.WaitForTargetAsync(t => t.Type == TargetType.BackgroundPage);24                Assert.NotNull(backgroundPageTarget);25            }26        }27        [Fact]28        public async Task TargetPageShouldReturnABackgroundPage()29        {30            using (var browserWithExtension = await Puppeteer.LaunchAsync(31                TestConstants.BrowserWithExtensionOptions(),32                TestConstants.LoggerFactory))33            {34                var backgroundPageTarget = await browserWithExtension.WaitForTargetAsync(t => t.Type == TargetType.BackgroundPage);35                using (var page = await backgroundPageTarget.PageAsync())36                {37                    Assert.Equal(6, await page.EvaluateFunctionAsync<int>("() => 2 * 3"));38                    Assert.Equal(42, await page.EvaluateFunctionAsync<int>("() => window.MAGIC"));39                }40            }41        }42        [Fact]43        public async Task ShouldHaveDefaultUrlWhenLaunchingBrowser()44        {45            using (var browser = await Puppeteer.LaunchAsync(46                TestConstants.BrowserWithExtensionOptions(),47                TestConstants.LoggerFactory))48            {49                var pages = (await browser.PagesAsync()).Select(page => page.Url).ToArray();50                Assert.Equal(new[] { "about:blank" }, pages);51            }52        }53        [Fact]54        public async Task HeadlessShouldBeAbleToReadCookiesWrittenByHeadful()55        {56            using (var userDataDir = new TempDirectory())57            {58                var launcher = new Launcher(TestConstants.LoggerFactory);59                var options = TestConstants.DefaultBrowserOptions();60                options.Args = options.Args.Concat(new[] { $"--user-data-dir=\"{userDataDir}\"" }).ToArray();61                options.Headless = false;62                using (var browser = await launcher.LaunchAsync(options))63                using (var page = await browser.NewPageAsync())64                {65                    await page.GoToAsync(TestConstants.EmptyPage);66                    await page.EvaluateExpressionAsync(67                        "document.cookie = 'foo=true; expires=Fri, 31 Dec 9999 23:59:59 GMT'");68                }69                await TestUtils.WaitForCookieInChromiumFileAsync(userDataDir.Path, "foo");70                options.Headless = true;71                using (var browser2 = await Puppeteer.LaunchAsync(options, TestConstants.LoggerFactory))72                {73                    var page2 = await browser2.NewPageAsync();74                    await page2.GoToAsync(TestConstants.EmptyPage);75                    Assert.Equal("foo=true", await page2.EvaluateExpressionAsync<string>("document.cookie"));76                }77            }78        }79        [Fact(Skip = "TODO: Support OOOPIF. @see https://github.com/GoogleChrome/puppeteer/issues/2548")]80        public async Task OOPIFShouldReportGoogleComFrame()81        {82            // https://google.com is isolated by default in Chromium embedder.83            var headfulOptions = TestConstants.DefaultBrowserOptions();84            headfulOptions.Headless = false;85            using (var browser = await Puppeteer.LaunchAsync(headfulOptions))86            using (var page = await browser.NewPageAsync())87            {88                await page.GoToAsync(TestConstants.EmptyPage);89                await page.SetRequestInterceptionAsync(true);90                page.Request += async (sender, e) => await e.Request.RespondAsync(91                    new ResponseData { Body = "{ body: 'YO, GOOGLE.COM'}" });92                await page.EvaluateFunctionHandleAsync(@"() => {93                    const frame = document.createElement('iframe');94                    frame.setAttribute('src', 'https://google.com/');95                    document.body.appendChild(frame);96                    return new Promise(x => frame.onload = x);97                }");98                await page.WaitForSelectorAsync("iframe[src=\"https://google.com/\"]");99                var urls = Array.ConvertAll(page.Frames, frame => frame.Url);100                Array.Sort(urls);101                Assert.Equal(new[] { TestConstants.EmptyPage, "https://google.com/" }, urls);102            }103        }104        [Fact]105        public async Task ShouldCloseBrowserWithBeforeunloadPage()106        {107            var headfulOptions = TestConstants.DefaultBrowserOptions();108            headfulOptions.Headless = false;109            using (var browser = await Puppeteer.LaunchAsync(headfulOptions))110            using (var page = await browser.NewPageAsync())111            {112                await page.GoToAsync(TestConstants.ServerUrl + "/beforeunload.html");113                // We have to interact with a page so that 'beforeunload' handlers fire.114                await page.ClickAsync("body");115            }116        }117        [Fact]118        public async Task ShouldOpenDevtoolsWhenDevtoolsTrueOptionIsGiven()119        {120            var headfulOptions = TestConstants.DefaultBrowserOptions();121            headfulOptions.Devtools = true;122            using (var browser = await Puppeteer.LaunchAsync(headfulOptions))123            {124                var context = await browser.CreateIncognitoBrowserContextAsync();125                await Task.WhenAll(126                    context.NewPageAsync(),127                    context.WaitForTargetAsync(target => target.Url.Contains("devtools://")));128            }129        }130        [Fact]131        public async Task BringToFrontShouldWork()132        {133            using (var browserWithExtension = await Puppeteer.LaunchAsync(134                TestConstants.BrowserWithExtensionOptions(),135                TestConstants.LoggerFactory))136            using (var page = await browserWithExtension.NewPageAsync())137            {138                await page.GoToAsync(TestConstants.EmptyPage);139                Assert.Equal("visible", await page.EvaluateExpressionAsync<string>("document.visibilityState"));140                var newPage = await browserWithExtension.NewPageAsync();141                await newPage.GoToAsync(TestConstants.EmptyPage);...

BrowserContext.cs

Source:BrowserContext.cs

...53        /// <example>54        /// <code>55        /// <![CDATA[56        /// await page.EvaluateAsync("() => window.open('https://www.example.com/')");57        /// var newWindowTarget = await browserContext.WaitForTargetAsync((target) => target.Url == "https://www.example.com/");58        /// ]]>59        /// </code>60        /// </example>61        /// </summary>62        /// <param name="predicate">A function to be run for every target</param>63        /// <param name="options">options</param>64        /// <returns>Resolves to the first target found that matches the predicate function.</returns>65        public Task<Target> WaitForTargetAsync(Func<Target, bool> predicate, WaitForOptions options = null)66            => Browser.WaitForTargetAsync((target) => target.BrowserContext == this && predicate(target), options);67        /// <summary>68        /// An array of all pages inside the browser context.69        /// </summary>70        /// <returns>Task which resolves to an array of all open pages.71        /// Non visible pages, such as <c>"background_page"</c>, will not be listed here.72        /// You can find them using <see cref="Target.PageAsync"/>.</returns>73        public async Task<Page[]> PagesAsync()74        => (await Task.WhenAll(75            Targets().Where(t => t.Type == TargetType.Page).Select(t => t.PageAsync())).ConfigureAwait(false))76            .Where(p => p != null).ToArray();77        /// <summary>78        /// Creates a new page79        /// </summary>80        /// <returns>Task which resolves to a new <see cref="Page"/> object</returns>...

GistGithubService.cs

Source:GistGithubService.cs

...112                DumpIO = true113            });114            var page = await browser.NewPageAsync();115            var redirectResult = await page.GoToAsync(redirectPage.AbsoluteUri);116            var target = await browser.WaitForTargetAsync(e => e.Url.Contains(gitHubModel.RedirectUrl!));117            return new Uri(target.Url);118        }119    }120}...

Program.cs

Source:Program.cs

...17var options = new LaunchOptions { Headless = false, Args = browserArgs };18await using var browser = await Puppeteer.LaunchAsync(options);19await using var fileStream = File.Create("data.webm");20bool IsExtensionBackgroundPage(Target target) => target.Type == TargetType.BackgroundPage && target.Url.StartsWith($"chrome-extension://{extensionId}");21var extensionTarget = await browser.WaitForTargetAsync(IsExtensionBackgroundPage);22var extensionPage = await extensionTarget.PageAsync();23await extensionPage.ExposeFunctionAsync<string, object?>("sendData", data =>24{25    Console.WriteLine($"Received {data.Length} bytes of data");26    fileStream.Write(data.Select(c => (byte)c).ToArray());27    return null;28});29var pages = await browser.PagesAsync();30var page = pages[0];31await page.GoToAsync("https://yaskovdev.github.io/video-and-audio-capturing-test/");32await page.SetViewportAsync(new ViewPortOptions { Width = 1920, Height = 1080 });33await page.BringToFrontAsync();34var capture = new CapturingService();35await capture.StartCapturing(extensionPage);...

BrowserWaitForTargetTests.cs

Source:BrowserWaitForTargetTests.cs

...17        [PuppeteerTest("target.spec.ts", "Browser.waitForTarget", "should wait for a target")]18        [SkipBrowserFact(skipFirefox: true)]19        public async Task ShouldWaitForATarget()20        {21            var targetTask = Browser.WaitForTargetAsync((target) => target.Url == TestConstants.EmptyPage);22            var page = await Browser.NewPageAsync();23            Assert.False(targetTask.IsCompleted);24            await page.GoToAsync(TestConstants.EmptyPage);25            Assert.True(targetTask.IsCompleted);26            Assert.Same(await targetTask.Result.PageAsync(), page);27            28            await page.CloseAsync();29        }30        [PuppeteerTest("target.spec.ts", "Browser.waitForTarget", "should timeout waiting for a non-existent target")]31        [SkipBrowserFact(skipFirefox: true)]32        public Task ShouldTimeoutWaitingForANonExistentTarget()33            => Assert.ThrowsAnyAsync<TimeoutException>(async () => await Browser.WaitForTargetAsync(34                (target) => target.Url == TestConstants.EmptyPage,35                new() { Timeout = 1}));36    }37}...

WaitForTargetAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.WaitForSelectorAsync("input[name='q']");13            Console.WriteLine(target.Url);14        }15    }16}17Recommended Posts: PuppeteerSharp | Browser.WaitForTargetAsync() Method18PuppeteerSharp | Browser.NewPageAsync() Method19PuppeteerSharp | Browser.NewCDPSessionAsync() Method20PuppeteerSharp | Browser.NewBrowserFetcher() Method21PuppeteerSharp | Browser.NewContextAsync() Method22PuppeteerSharp | Browser.TargetsAsync() Method23PuppeteerSharp | Browser.VersionAsync() Method24PuppeteerSharp | Browser.DisconnectAsync() Method25PuppeteerSharp | Browser.CloseAsync() Method26PuppeteerSharp | Browser.ConnectAsync() Method27PuppeteerSharp | Browser.CreateIncognitoBrowserContextAsync() Method28PuppeteerSharp | Browser.CreateIncognitoBrowserContextAsync() Method29PuppeteerSharp | Browser.GetVersionAsync() Method30PuppeteerSharp | Browser.GetTargetsAsync() Method31PuppeteerSharp | Browser.GetTargetAsync() Method32PuppeteerSharp | Browser.GetProcessIdAsync() Method33PuppeteerSharp | Browser.GetPagesAsync() Method34PuppeteerSharp | Browser.GetPageAsync() Method35PuppeteerSharp | Browser.GetDefaultContextAsync() Method36PuppeteerSharp | Browser.GetBrowserContextsAsync() Method37PuppeteerSharp | Browser.GetBrowserContextAsync() Method38PuppeteerSharp | Browser.GetBrowserFetcher() Method39PuppeteerSharp | Browser.GetCDPSessionAsync() Method40PuppeteerSharp | Browser.GetBrowserWSEndpointAsync() Method41PuppeteerSharp | Browser.GetBrowserFetcher() Method42PuppeteerSharp | Browser.GetBrowserFetcher() Method43PuppeteerSharp | Browser.GetBrowserFetcher() Method

WaitForTargetAsync

Using AI Code Generation

1using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))2{3    var page = await browser.NewPageAsync();4    var elementHandle = await page.WaitForSelectorAsync("input");5    await elementHandle.TypeAsync("Hello World");6}7using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))8{9    var page = await browser.NewPageAsync();10    var elementHandle = await page.WaitForSelectorAsync("input");11    await elementHandle.TypeAsync("Hello World");12}13using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))14{15    var page = await browser.NewPageAsync();16    var elementHandle = await page.WaitForSelectorAsync("input");17    await elementHandle.TypeAsync("Hello World");18}19using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))20{21    var page = await browser.NewPageAsync();22    var elementHandle = await page.WaitForSelectorAsync("input");23    await elementHandle.TypeAsync("Hello World");24}25using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))26{27    var page = await browser.NewPageAsync();28    var elementHandle = await page.WaitForSelectorAsync("input");29    await elementHandle.TypeAsync("Hello World");30}31using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))32{33    var page = await browser.NewPageAsync();

WaitForTargetAsync

Using AI Code Generation

1using PuppeteerSharp;2using System.Threading.Tasks;3{4    static void Main(string[] args)5    {6        MainAsync(args).Wait();7    }8    static async Task MainAsync(string[] args)9    {10        var browser = await Puppeteer.LaunchAsync(new LaunchOptions11        {12        });13        var page = await browser.NewPageAsync();14    }15}16using PuppeteerSharp;17using System.Threading.Tasks;18{19    static void Main(string[] args)20    {21        MainAsync(args).Wait();22    }23    static async Task MainAsync(string[] args)24    {25        var browser = await Puppeteer.LaunchAsync(new LaunchOptions26        {27        });28        var page = await browser.NewPageAsync();29    }30}31using PuppeteerSharp;32using System.Threading.Tasks;33{34    static void Main(string[] args)35    {36        MainAsync(args).Wait();37    }38    static async Task MainAsync(string[] args)39    {40        var browser = await Puppeteer.LaunchAsync(new LaunchOptions41        {42        });43        var page = await browser.NewPageAsync();44        await page.WaitForTargetAsync(target =>

WaitForTargetAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });13            var page = await browser.NewPageAsync();14            await page.WaitForSelectorAsync("input[name=\"q\"]");15            await page.TypeAsync("input[name=\"q\"]", "PuppeteerSharp");16            await page.ClickAsync("input[value=\"Google Search\"]");

WaitForTargetAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14            });15            var page = await browser.NewPageAsync();16            var newPage = await target.PageAsync();17            await newPage.ScreenshotAsync("screenshot.png");18            await browser.CloseAsync();19        }20    }21}

WaitForTargetAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            Console.WriteLine(target.Url);13            await browser.CloseAsync();14        }15    }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20{21    {22        static async Task Main(string[] args)23        {24            var browser = await Puppeteer.LaunchAsync(new LaunchOptions25            {26            });27            var page = await browser.NewPageAsync();28            Console.WriteLine(target.Url);29            await browser.CloseAsync();30        }31    }32}33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36{37    {38        static async Task Main(string[] args)39        {40            var browser = await Puppeteer.LaunchAsync(new LaunchOptions41            {42            });43            var page = await browser.NewPageAsync();44            Console.WriteLine(target.Url);

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.