Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Disconnect method of PuppeteerSharp.Browser class

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

FetchDynamicResource.xaml.cs

Source:FetchDynamicResource.xaml.cs

...357358            var html =  await page.GetContentAsync();359360            //å³éæµè§å¨361            browser.Disconnect();362            browser.Dispose();363            ShowStatusTextPuppeteer("å°±ç»ª");364            return html;365        }366367        private void ShowStatusTextPuppeteer(string text)368        {369            this.Dispatcher.Invoke(() => {370                this.lbl_StatusText_Puppeteer.Content = text;371            });372        }373        #endregion374375
...

BrowserUtils.cs

Source:BrowserUtils.cs

...180        private async Task Cleanup(Page page) {181            await page.CloseAsync();182        }183        private void Cleanup(PuppeteerSharp.Browser browser) {184            browser.Disconnect();185            Dispose();186        }187        public void Dispose() {188            if (browser != null) {189                ProcessUtils.KillProcessTree(browser.Process);190            }191        }192    }193}...

WorkerActivities.cs

Source:WorkerActivities.cs

...27            var login = new UIAction.Login();28            CookieParam[] cookies = null;29            cookies = await login.RunAsync(page, log);30            // page is closed implicitly31            browser.Disconnect();32            if (cookies != null)33            {34                return CookieConverter.EncodeCookie(cookies);35            }36            throw new Exception("Failed to authenticate.");37        }38        // A) Accept search query and cookies return [totalpages]39        [FunctionName("QueryGuru")]40        public static async Task<int> QueryGuru(41                [ActivityTrigger] DurableActivityContext ctx,42                TraceWriter log)43        {44            var arguments = ctx.GetInput<Tuple<string, string>>();45            var searchargs = arguments.Item1.Split(':');46            if (searchargs.Length != 2)47            {48                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");49            }50            var query = searchargs[0];51            var type = searchargs[1];52            var cookies = CookieConverter.DecodeCookie(arguments.Item2);53            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });54            var page = await browser.NewPageAsync();55            await page.SetCookieAsync(cookies);56            var search = new UIAction.NavigateSearch(query, type);57            var pages = await search.RunAsync(page);58            browser.Disconnect();59            return pages;60        }61        // O) Accept search query and cookies and page and configsection then return result62        [FunctionName("RetrievePageContent")]63        public static async Task<WorkerResult> RetrievePageContent(64                [ActivityTrigger] DurableActivityContext ctx,65                TraceWriter log)66        {67            var arguments = ctx.GetInput<Tuple<string, string, int, string>>();68            var searchargs = arguments.Item1.Split(':');69            if (searchargs.Length != 2)70            {71                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");72            }73            var query = searchargs[0];74            var type = searchargs[1];75            var cookies = CookieConverter.DecodeCookie(arguments.Item2);76            var pagenumber = arguments.Item3;77            var config = JsonConvert.DeserializeObject<ConfigSection>(arguments.Item4);78            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });79            var page = await browser.NewPageAsync();80            await page.SetCookieAsync(cookies);81            var search = new UIAction.NavigateSearch(query, type, true);82            await search.RunAsync(page);83            var collect = new UIAction.NavigateCollect(pagenumber, ctx.InstanceId, ctx.InstanceId, config);84            var result = await collect.RunAsync(page);85            // page is closed implicitly86            browser.Disconnect();87            var customresult = new WorkerResult { html = result, page = pagenumber };88            return customresult;89        }90        // A) Accept number of pages and return a range from 1 to number of pages91        [FunctionName("CreateWorkload")]92        public static async Task<List<int>> CreateWorkload(93                [ActivityTrigger] DurableActivityContext ctx,94                TraceWriter log)95        {96            var totalpages = ctx.GetInput<int>();97            var workload = Enumerable.Range(1, totalpages).ToList();98            return await Task.FromResult(workload);99        }100        // A) Accept number of pages and return a range from 1 to number of pages101        [FunctionName("RaiseFinishedEvent")]102        public static async Task RaiseFinishedEvent(103                [ActivityTrigger] DurableActivityContext ctx,104                [OrchestrationClient] DurableOrchestrationClient client,105                TraceWriter log)106        {107            var args = ctx.GetInput<WorkerWorkResult>();108            var instanceid = args.instanceid;109            var reason = args.result;110            await client.RaiseEventAsync(instanceid, "Finished", reason);111        }112        [FunctionName("RetrieveScrapingConfig")]113        public static async Task<ConfigSection> RetrieveScrapingConfig(114                [ActivityTrigger] DurableActivityContext ctx,115                [Blob("config/propertyrecord.json", Connection = "StorageAccount")] TextReader file,116                TraceWriter log)117        {118            var configjson = await file.ReadToEndAsync();119            var config = OpenScraping.Config.StructuredDataConfig.ParseJsonString(configjson);120            return await Task.FromResult(config);121        }122    // [FunctionName("A_InitBrowser")]123    //    public static async Task<string> InitBrowser(124    //        [ActivityTrigger] DurableActivityContext ctx,125    //        TraceWriter log)126    //    {127    //        var connectionstring = ctx.GetInput<string>();128    //        var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = connectionstring });129    //        var json = JsonConvert.SerializeObject(browser, Formatting.None, new JsonSerializerSettings { PreserveReferencesHandling = PreserveReferencesHandling.All, TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Full });130    //        return json;131    //    }132    // [FunctionName("A_InitBrowserPage")]133    //    public static async Task<Page> InitBrowserPage(134    // [ActivityTrigger] DurableActivityContext ctx,135    // TraceWriter log)136    //    {137    //        var browser = ctx.GetInput<Browser>();138    //        var page = await browser.NewPageAsync();139    //        return page;140    //    }141    // [FunctionName("A_ScrapeSingle")]142    //    public static async Task<Model.WorkerResult> ScrapeSingle(143    //        [ActivityTrigger] DurableActivityContext ctx,144    //        TraceWriter log )145    //    {146    //        var workerid = "AAAA";147    //        var workerargsjson = ctx.GetInput<string>();148    //        log.Warning(workerargsjson);149    //        var workerargs = JsonConvert.DeserializeObject<Model.WorkerArgs>(workerargsjson);150    //        var asm = Assembly.Load("Microsoft.Extensions.Options, Culture=neutral, PublicKeyToken=adb9793829ddae60");151    //        PuppeteerSharp.Browser browser = null;152    //        try153    //        {154    //           // await workerargs.Action.RunAsync(workerargs.Page);155    //        }156    //        catch (Exception ex)157    //        {158    //            return new Model.WorkerResult() { WorkerId= workerid, Success=false };159    //        }160    //        finally161    //        {162    //            if (browser != null)163    //            {164    //                browser.Disconnect();165    //            }166    //        }167    //        return new Model.WorkerResult() { WorkerId= workerid, Success=true };168    //    }169    // [FunctionName("A_TestSingle")]170    //    public static async Task<string> TestSingle(171    // [ActivityTrigger] DurableActivityContext ctx,172    // TraceWriter log)173    //    {174    //        var workerid = "AAAA";175    //        var workerargsjson = ctx.GetInput<string>();176    //        log.Warning(workerargsjson);177    //        PuppeteerSharp.Browser browser = null;178    //        try...

SaveWebPage.xaml.cs

Source:SaveWebPage.xaml.cs

...74                    EMessageBox.Show("ä¿åç½é¡µæªå¾å¤±è´¥");75                }7677                //å¨æåè®°å¾å³éæµè§å¨åéæ¾èµæº78                browser.Disconnect();79                browser.Dispose();80            }81            catch(Exception ex)82            {83                EMessageBox.Show(ex.Message);84            }85        }8687        private async void btn_SaveAsPDF_Click(object sender, RoutedEventArgs e)88        {89            //æå¼ç½é¡µçæä½è·ä¸é¢æ¯ä¸æ ·ç90            try91            {92                await new PuppeteerSharp.BrowserFetcher().DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);93                var browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions94                {95                    Headless = true96                });97                var page = await browser.NewPageAsync();  //æå¼ä¸ä¸ªæ°æ ç¾98                await page.GoToAsync(this.tbox_Url.Text); //è®¿é®é¡µé¢99100                //è®¾ç½®PDFéé¡¹101                PuppeteerSharp.PdfOptions pdfOptions = new PuppeteerSharp.PdfOptions();102                pdfOptions.DisplayHeaderFooter = false; //æ¯å¦æ¾ç¤ºé¡µçé¡µè103                pdfOptions.FooterTemplate = "";   //é¡µèææ¬104105                var width = await page.EvaluateFunctionAsync<int>("function getWidth(){return document.body.scrollWidth}");106                var height = await page.EvaluateFunctionAsync<int>("function getHeight(){return document.body.scrollHeight}");107108                pdfOptions.Width = $"{width}px";109                pdfOptions.Height = $"{height}px";110111                pdfOptions.HeaderTemplate = "";   //é¡µçææ¬112                pdfOptions.Landscape = false;     //çº¸å¼ æ¹å false-åç´ true-æ°´å¹³113                pdfOptions.MarginOptions = new PuppeteerSharp.Media.MarginOptions() { Bottom = "0px", Left = "0px", Right = "0px", Top = "0px" }; //çº¸å¼ è¾¹è·ï¼éè¦è®¾ç½®å¸¦åä½çå¼ï¼é»è®¤å¼æ¯None114                pdfOptions.Scale = 1m;            //PDFç¼©æ¾ï¼ä»0-1115                pdfOptions.PrintBackground = true;116117                var fileName = Environment.CurrentDirectory + $"\\download\\{await page.GetTitleAsync()}.pdf";118119                if (System.IO.File.Exists(fileName))120                {121                    fileName = fileName.Replace(".pdf", $"{DateTime.Now.ToString("ffff")}.pdf");122                }123124                //ä¿åPDF125                await page.PdfAsync(fileName, pdfOptions);126                EMessageBox.Show($"{fileName}ä¿åæå");127128                //å¨æåè®°å¾å³éæµè§å¨åéæ¾èµæº129                browser.Disconnect();130                browser.Dispose();131            }132            catch(Exception ex)133            {134                EMessageBox.Show(ex.Message);135            }136        }137    }138}
...

Program.cs

Source:Program.cs

...74                    var searchElm = await page.XPathAsync("//input[@name='q']");75                    await searchElm[0].TypeAsync("hello world");76                    await page.ScreenshotAsync(@"screenshot-remote.png");77                }78                browser.Disconnect();79            }80            Console.WriteLine("done!");81        }82        static async void RecaptchaUsage()83        {84            // Initialize recaptcha plugin with AntiCaptchaProvider85            var recaptchaPlugin = new RecaptchaPlugin(new TwoCaptcha("2captcha token"));86            var browser = await new PuppeteerExtra().Use(recaptchaPlugin).ConnectAsync(new ConnectOptions()87            {88                BrowserURL = "http://127.0.0.1:9222"89            });90            var page = await browser.NewPageAsync();91            await page.GoToAsync("https://patrickhlauke.github.io/recaptcha/");92            // Solves captcha in page!...

ChromiumHelper.cs

Source:ChromiumHelper.cs

...126        {127            if (browser != null)128            {129                await browser.CloseAsync();130                browser.Disconnect();131                browser.Dispose();              132            }133        }134    }135}...

BrowserDisconnectTests.cs

Source:BrowserDisconnectTests.cs

...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.LauncherTests7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    public class BrowserDisconnectTests : PuppeteerBrowserBaseTest10    {11        public BrowserDisconnectTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject navigation when browser closes")]15        [PuppeteerFact]16        public async Task ShouldRejectNavigationWhenBrowserCloses()17        {18            Server.SetRoute("/one-style.css", _ => Task.Delay(10000));19            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))20            {21                var remote = await Puppeteer.ConnectAsync(new ConnectOptions22                {23                    BrowserWSEndpoint = browser.WebSocketEndpoint24                });25                var page = await remote.NewPageAsync();26                var navigationTask = page.GoToAsync(TestConstants.ServerUrl + "/one-style.html", new NavigationOptions27                {28                    Timeout = 6000029                });30                await Server.WaitForRequest("/one-style.css");31                remote.Disconnect();32                var exception = await Assert.ThrowsAsync<NavigationException>(() => navigationTask);33                Assert.Contains("Navigation failed because browser has disconnected!", exception.Message);34            }35        }36        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject waitForSelector when browser closes")]37        [PuppeteerFact]38        public async Task ShouldRejectWaitForSelectorWhenBrowserCloses()39        {40            Server.SetRoute("/empty.html", _ => Task.Delay(10000));41            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))42            {43                var remote = await Puppeteer.ConnectAsync(new ConnectOptions44                {45                    BrowserWSEndpoint = browser.WebSocketEndpoint46                });47                var page = await remote.NewPageAsync();48                var watchdog = page.WaitForSelectorAsync("div", new WaitForSelectorOptions { Timeout = 60000 });49                remote.Disconnect();50                var exception = await Assert.ThrowsAsync<TargetClosedException>(() => watchdog);51                Assert.Equal("Connection disposed", exception.CloseReason);52            }53        }54    }55}...

ConcurrentBrowserActivities.cs

Source:ConcurrentBrowserActivities.cs

...34            finally35            {36                if (browser != null)37                {38                    browser.Disconnect();39                }40            }41            return $"Processed {url} shit all.";42        }43        [FunctionName("A_Worker")]44        public static async Task<string> Worker(45        [ActivityTrigger] DurableActivityContext ctx,46        TraceWriter log47        )48        {49            return "";50        }51    }52    public static class Constants...

Disconnect

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"11            });12            var page = await browser.NewPageAsync();13            await page.WaitForSelectorAsync("input[title='Search']");14            await page.TypeAsync("input[title='Search']", "PuppeteerSharp");15            await page.ClickAsync("input[value='Google Search']");16            await page.WaitForSelectorAsync("a[href='

Disconnect

Using AI Code Generation

1using PuppeteerSharp;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var browser = await Puppeteer.LaunchAsync(new LaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("google1.png");12            await browser.DisconnectAsync();13        }14    }15}

Disconnect

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;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            await page.WaitForSelectorAsync("input[name='q']");17            await page.TypeAsync("input[name='q']", "PuppeteerSharp");18            await page.ClickAsync("input[value='Google Search']");19            await page.WaitForTimeoutAsync(1000);20            await browser.DisconnectAsync();21        }22    }23}

Disconnect

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            {9                MainAsync().Wait();10            }11            catch (Exception e)12            {13                Console.WriteLine(e.Message);14            }15        }16        static async Task MainAsync()17        {18            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });19            await browser.DisconnectAsync();20        }21    }22}23Related Posts: PuppeteerSharp - How to use CloseAsync() method24PuppeteerSharp - How to use LaunchAsync() method25PuppeteerSharp - How to use NewPageAsync() method26PuppeteerSharp - How to use NewPageAsync() method27PuppeteerSharp - How to use NewPageAsync() method28PuppeteerSharp - How to use LaunchAsync() method29PuppeteerSharp - How to use NewPageAsync() method

Disconnect

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.Threading;5{6    {7        public static void Main(string[] args) => MainAsync().GetAwaiter().GetResult();8        public static async Task MainAsync()9        {10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await browser.DisconnectAsync();16            Console.WriteLine("Browser disconnected");17        }18    }19}20C# | PuppeteerSharp - BrowserFetcher.DownloadAsync() Method21C# | PuppeteerSharp - BrowserFetcher.CanDownloadAsync() Method22C# | PuppeteerSharp - BrowserFetcher.LocalRevisions() Method23C# | PuppeteerSharp - BrowserFetcher.RemoveAsync() Method

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.