How to use KillProcess method of PuppeteerSharp.Tests.FixturesTests.FixturesTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.FixturesTests.FixturesTests.KillProcess

FixturesTests.cs

Source: FixturesTests.cs Github

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...47 browser.Disconnected += (sender, e) =>48 {49 browserClosedTaskWrapper.SetResult(true);50 };51 KillProcess(chromiumProcess.Process.Id);52 await browserClosedTaskWrapper.Task;53 Assert.True(browser.IsClosed);54 }55 [Fact]56 public async Task ShouldCloseTheBrowserWhenTheLaunchedProcessCloses()57 {58 var browserClosedTaskWrapper = new TaskCompletionSource<bool>();59 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }, TestConstants.LoggerFactory);60 browser.Disconnected += (sender, e) =>61 {62 browserClosedTaskWrapper.SetResult(true);63 };64 KillProcess(browser.ChromiumProcess.Process.Id);65 await browserClosedTaskWrapper.Task;66 Assert.True(browser.IsClosed);67 }68 private void KillProcess(int pid)69 {70 var process = new Process();71 /​/​We need to kill the process tree manually72 /​/​See: https:/​/​github.com/​dotnet/​corefx/​issues/​2623473 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))74 {75 process.StartInfo.FileName = "taskkill";76 process.StartInfo.Arguments = $"-pid {pid} -t -f";77 }78 else79 {80 process.StartInfo.FileName = "/​bin/​bash";81 process.StartInfo.Arguments = $"-c \"kill -s 9 {pid}\"";82 }...

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KillProcess

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1using System;2using System.Diagnostics;3using System.Threading.Tasks;4using PuppeteerSharp.Tests.Attributes;5using Xunit;6using Xunit.Abstractions;7{8 [Collection(TestConstants.TestFixtureCollectionName)]9 {10 public FixturesTests(ITestOutputHelper output) : base(output)11 {12 }13 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should support fixtures")]14 [SkipBrowserFact(skipFirefox: true)]15 public async Task ShouldSupportFixtures()16 {17 var client = await Page.Target.CreateCDPSessionAsync();18 await client.SendAsync("Page.enable");19 var response = await client.SendAsync("Page.captureScreenshot");20 Assert.Equal("hello", response["data"].ToString());21 }22 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should support fixtures with arguments")]23 [SkipBrowserFact(skipFirefox: true)]24 public async Task ShouldSupportFixturesWithArguments()25 {26 var client = await Page.Target.CreateCDPSessionAsync();27 await client.SendAsync("Page.enable");28 var response = await client.SendAsync("Page.captureScreenshot");29 Assert.Equal("world", response["data"].ToString());30 }31 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should support fixtures with async setup")]32 [SkipBrowserFact(skipFirefox: true)]33 public async Task ShouldSupportFixturesWithAsyncSetup()34 {35 var client = await Page.Target.CreateCDPSessionAsync();36 await client.SendAsync("Page.enable");37 var response = await client.SendAsync("Page.captureScreenshot");38 Assert.Equal("hello", response["data"].ToString());39 }40 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should support fixtures with async teardown")]41 [SkipBrowserFact(skipFirefox: true)]42 public async Task ShouldSupportFixturesWithAsyncTeardown()43 {44 var client = await Page.Target.CreateCDPSessionAsync();45 await client.SendAsync("Page.enable");46 var response = await client.SendAsync("Page.captureScreenshot");47 Assert.Equal("hello", response["data"].ToString());48 }49 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should support fixtures with async setup and teardown")]50 [SkipBrowserFact(skipFirefox: true)]

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KillProcess

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10 var page = await browser.NewPageAsync();11 await page.WaitForSelectorAsync("input[name=q]");12 await page.TypeAsync("input[name=q]", "puppeteer-sharp");13 await page.Keyboard.PressAsync("Enter");14 await page.WaitForNavigationAsync();15 await page.ScreenshotAsync("screenshot.png");16 await browser.CloseAsync();17 }18 }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24 {25 static async Task Main(string[] args)26 {27 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);28 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });29 var page = await browser.NewPageAsync();30 await page.WaitForSelectorAsync("input[name=q]");31 await page.TypeAsync("input[name=q]", "puppeteer-sharp");32 await page.Keyboard.PressAsync("Enter");33 await page.WaitForNavigationAsync();34 await page.ScreenshotAsync("screenshot.png");35 await browser.CloseAsync();36 }37 }38}39using System;40using System.Threading.Tasks;41using PuppeteerSharp;42{43 {44 static async Task Main(string[] args)45 {46 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);47 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });48 var page = await browser.NewPageAsync();49 await page.WaitForSelectorAsync("input[name=q]");

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KillProcess

Using AI Code Generation

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1using System;2using System.Diagnostics;3using System.Threading.Tasks;4using PuppeteerSharp.Tests.Fixtures;5using Xunit;6using Xunit.Abstractions;7{8 [Collection("PuppeteerLoaderFixture collection")]9 {10 public KillProcessTests(ITestOutputHelper output) : base(output)11 {12 }13 public async Task ShouldTerminateBrowserProcessOnDispose()14 {15 var browserFetcher = new BrowserFetcher();16 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);17 var browser = await Puppeteer.LaunchAsync(new LaunchOptions18 {19 });20 var process = browser.Process;21 Assert.NotNull(process);22 Assert.False(process.HasExited);23 await browser.CloseAsync();24 Assert.True(process.HasExited);25 }26 }27}28using System;29using System.Diagnostics;30using System.Threading.Tasks;31using PuppeteerSharp.Tests.Fixtures;32using Xunit;33using Xunit.Abstractions;34{35 [Collection("PuppeteerLoaderFixture collection")]36 {37 public KillProcessTests(ITestOutputHelper output) : base(output)38 {39 }40 public async Task ShouldTerminateBrowserProcessOnDispose()41 {42 var browserFetcher = new BrowserFetcher();43 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);44 var browser = await Puppeteer.LaunchAsync(new LaunchOptions45 {46 });47 var process = browser.Process;48 Assert.NotNull(process);49 Assert.False(process.HasExited);50 await browser.CloseAsync();51 Assert.True(process.HasExited);52 }53 }54}55using System;56using System.Diagnostics;57using System.Threading.Tasks;58using PuppeteerSharp.Tests.Fixtures;59using Xunit;60using Xunit.Abstractions;61{62 [Collection("PuppeteerLoaderFixture collection")]

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KillProcess

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1using PuppeteerSharp;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Threading.Tasks;6{7 {8 public async Task KillProcess()9 {10 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });11 var page = await browser.NewPageAsync();12 await browser.CloseAsync();13 }14 }15}16using PuppeteerSharp;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Threading.Tasks;21{22 {23 public async Task KillProcess()24 {25 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });26 var page = await browser.NewPageAsync();27 await browser.CloseAsync();28 }29 }30}31using PuppeteerSharp;32using System;33using System.Collections.Generic;34using System.Linq;35using System.Threading.Tasks;36{37 {38 public async Task KillProcess()39 {40 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });41 var page = await browser.NewPageAsync();42 await browser.CloseAsync();43 }44 }45}46using PuppeteerSharp;47using System;48using System.Collections.Generic;49using System.Linq;50using System.Threading.Tasks;51{52 {53 public async Task KillProcess()54 {55 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });56 var page = await browser.NewPageAsync();57 await browser.CloseAsync();

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KillProcess

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 public static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }11 });12 var page = await browser.NewPageAsync();13 await page.WaitForSelectorAsync("input[title='Search']");14 var element = await page.QuerySelectorAsync("input[title='Search']");15 await element.TypeAsync("Hello World!");16 await page.Keyboard.PressAsync("Enter");17 await page.WaitForNavigationAsync();18 await page.WaitForSelectorAsync("div#search");19 await page.ScreenshotAsync("google.png");20 await browser.CloseAsync();21 }22 }23}24using System;25using System.Threading.Tasks;26using PuppeteerSharp;27{28 {29 public static async Task Main(string[] args)30 {31 var browser = await Puppeteer.LaunchAsync(new LaunchOptions32 {33 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }34 });35 var page = await browser.NewPageAsync();36 await page.WaitForSelectorAsync("input[title='Search']");37 var element = await page.QuerySelectorAsync("input[title='Search']");38 await element.TypeAsync("Hello World!");39 await page.Keyboard.PressAsync("Enter");40 await page.WaitForNavigationAsync();41 await page.WaitForSelectorAsync("div#search");42 await page.ScreenshotAsync("google.png");43 await browser.CloseAsync();44 }45 }46}47using System;

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KillProcess

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1var page = await Browser.NewPageAsync();2await page.ClickAsync("input[name=\"q\"]");3await page.Keyboard.TypeAsync("Puppeteer");4await page.ClickAsync("input[name=\"btnK\"]");5await Task.Delay(1000);6await page.ClickAsync("a[href=\"

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4using System.Diagnostics;5using System.Runtime.InteropServices;6{7 {8 public static void KillProcess(int pid)9 {10 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))11 {12 Process.Start("taskkill", "/​F /​T /​PID " + pid);13 }14 {15 Process.Start("kill", "-9 " + pid);16 }17 }18 }19}

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EDIT: New Suggestion HTML Renderer for PDF using PdfSharp

(After trying wkhtmltopdf and suggesting to avoid it)

HtmlRenderer.PdfSharp is a 100% fully C# managed code, easy to use, thread safe and most importantly FREE (New BSD License) solution.

Usage

  1. Download HtmlRenderer.PdfSharp nuget package.
  2. Use Example Method.

    public static Byte[] PdfSharpConvert(String html)
    {
        Byte[] res = null;
        using (MemoryStream ms = new MemoryStream())
        {
            var pdf = TheArtOfDev.HtmlRenderer.PdfSharp.PdfGenerator.GeneratePdf(html, PdfSharp.PageSize.A4);
            pdf.Save(ms);
            res = ms.ToArray();
        }
        return res;
    }
    

A very Good Alternate Is a Free Version of iTextSharp

Until version 4.1.6 iTextSharp was licensed under the LGPL licence and versions until 4.16 (or there may be also forks) are available as packages and can be freely used. Of course someone can use the continued 5+ paid version.

I tried to integrate wkhtmltopdf solutions on my project and had a bunch of hurdles.

I personally would avoid using wkhtmltopdf - based solutions on Hosted Enterprise applications for the following reasons.

  1. First of all wkhtmltopdf is C++ implemented not C#, and you will experience various problems embedding it within your C# code, especially while switching between 32bit and 64bit builds of your project. Had to try several workarounds including conditional project building etc. etc. just to avoid "invalid format exceptions" on different machines.
  2. If you manage your own virtual machine its ok. But if your project is running within a constrained environment like (Azure (Actually is impossible withing azure as mentioned by the TuesPenchin author) , Elastic Beanstalk etc) it's a nightmare to configure that environment only for wkhtmltopdf to work.
  3. wkhtmltopdf is creating files within your server so you have to manage user permissions and grant "write" access to where wkhtmltopdf is running.
  4. Wkhtmltopdf is running as a standalone application, so its not managed by your IIS application pool. So you have to either host it as a service on another machine or you will experience processing spikes and memory consumption within your production server.
  5. It uses temp files to generate the pdf, and in cases Like AWS EC2 which has really slow disk i/o it is a big performance problem.
  6. The most hated "Unable to load DLL 'wkhtmltox.dll'" error reported by many users.

--- PRE Edit Section ---

For anyone who want to generate pdf from html in simpler applications / environments I leave my old post as suggestion.

TuesPechkin

https://www.nuget.org/packages/TuesPechkin/

or Especially For MVC Web Applications (But I think you may use it in any .net application)

Rotativa

https://www.nuget.org/packages/Rotativa/

They both utilize the wkhtmtopdf binary for converting html to pdf. Which uses the webkit engine for rendering the pages so it can also parse css style sheets.

They provide easy to use seamless integration with C#.

Rotativa can also generate directly PDFs from any Razor View.

Additionally for real world web applications they also manage thread safety etc...

https://stackoverflow.com/questions/564650/convert-html-to-pdf-in-net

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YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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