How to use CanDownloadAsync method of PuppeteerSharp.BrowserFetcher class

Best Puppeteer-sharp code snippet using PuppeteerSharp.BrowserFetcher.CanDownloadAsync

ChromiumBrowser.cs

Source:ChromiumBrowser.cs Github

copy

Full Screen

...158 {159 if (checkIsDownload)160 {161 // 检查 revisionInfo.Revision 这个版本的 Chromium 浏览器 是否 可下载162 bool isCan = await browserFetcher.CanDownloadAsync(revisionInfo.Revision);163 if (isCan)164 {165 // 下载 revisionInfo.Revision 这个版本的无头浏览器；可能需要等待一些时间166 await browserFetcher.DownloadAsync(revisionInfo.Revision);167 }168 else169 {170 throw new Exception($"程序检测出 Chromium 浏览器（默认版本 {revisionInfo.Revision}）无法更新！");171 }172 }173 else174 {175 throw new Exception("程序运行目录下 Chromium 浏览器不可用。请开发人员检查 程序运行目录下 是否正确安装 Chromium 浏览器。");176 }...

Full Screen

Full Screen

FrmMain.cs

Source:FrmMain.cs Github

copy

Full Screen

...158 this.rTxt_log.AppendText("无头浏览器检查完成，需要更新！ \n");159 this.rTxt_log.AppendText("正在检查更新... \n");160 }));161 // 检查 revisionInfo.Revision 这个版本的 Chromium 浏览器 是否 可下载162 bool isCan = await browserFetcher.CanDownloadAsync(revisionInfo.Revision);163 if (!isCan)164 {165 this.Invoke(new Action(() =>166 {167 this.rTxt_log.AppendText($"程序检测出无头浏览器（默认版本 {revisionInfo.Revision}）无法更新！ \n");168 this.btn_chromiumTest.Enabled = true;169 }));170 return;171 }172 this.Invoke(new Action(() =>173 {174 this.rTxt_log.AppendText("正在更新无头浏览器... \n");175 }));176 // 下载 revisionInfo.Revision 这个版本的无头浏览器；可能需要等待一些时间...

Full Screen

Full Screen

BrowserFetcher.cs

Source:BrowserFetcher.cs Github

copy

Full Screen

...52 /// </summary>53 /// <value>The platform.</value>54 public Platform Platform { get; }55 /// <summary>56 /// Proxy used by the WebClient in <see cref="DownloadAsync(int)"/> and <see cref="CanDownloadAsync(int)"/>57 /// </summary>58 public IWebProxy WebProxy59 {60 get => _webClient.Proxy;61 set => _webClient.Proxy = value;62 }63 /// <summary>64 /// Occurs when download progress in <see cref="DownloadAsync(int)"/> changes.65 /// </summary>66 public event DownloadProgressChangedEventHandler DownloadProgressChanged;67 /// <summary>68 /// Initializes a new instance of the <see cref="BrowserFetcher"/> class.69 /// </summary>70 public BrowserFetcher()71 {72 DownloadsFolder = Path.Combine(Directory.GetCurrentDirectory(), ".local-chromium");73 DownloadHost = DefaultDownloadHost;74 Platform = GetCurrentPlatform();75 }76 /// <summary>77 /// Initializes a new instance of the <see cref="BrowserFetcher"/> class.78 /// </summary>79 /// <param name="options">Fetch options.</param>80 public BrowserFetcher(BrowserFetcherOptions options)81 {82 DownloadsFolder = string.IsNullOrEmpty(options.Path) ?83 Path.Combine(Directory.GetCurrentDirectory(), ".local-chromium") :84 options.Path;85 DownloadHost = string.IsNullOrEmpty(options.Host) ? DefaultDownloadHost : options.Host;86 Platform = options.Platform ?? GetCurrentPlatform();87 }88 #region Public Methods89 /// <summary>90 /// The method initiates a HEAD request to check if the revision is available.91 /// </summary>92 /// <returns>Whether the version is available or not.</returns>93 /// <param name="revision">A revision to check availability.</param>94 public async Task<bool> CanDownloadAsync(int revision)95 {96 try97 {98 var url = GetDownloadURL(Platform, DownloadHost, revision);99 var client = WebRequest.Create(url);100 client.Proxy = _webClient.Proxy;101 client.Method = "HEAD";102 var response = await client.GetResponseAsync().ConfigureAwait(false) as HttpWebResponse;103 return response.StatusCode == HttpStatusCode.OK;104 }105 catch (WebException)106 {107 return false;108 }...

Full Screen

Full Screen

BrowserLoader.cs

Source:BrowserLoader.cs Github

copy

Full Screen

...44 {45 Console.WriteLine(">> Installed revisions of Chrome not found - need to download new one");46 }47 Console.WriteLine(">> Start downloading Chrome...");48 bool canDownload = await browserFetcher.CanDownloadAsync(actualRevision);49 if (!canDownload)50 {51 throw new Exception($"Actual revision of Chrome ({actualRevision}) is not available to download!");52 }53 DateTime _startedAt = default;54 browserFetcher.DownloadProgressChanged += (object sender, DownloadProgressChangedEventArgs e) =>55 {56 var bytesPerSecond = 0;57 if (_startedAt == default)58 {59 _startedAt = DateTime.Now;60 }61 TimeSpan timeSpan = DateTime.Now - _startedAt;62 if (timeSpan.TotalSeconds > 0)...

Full Screen

Full Screen

BrowserFetcherTests.cs

Source:BrowserFetcherTests.cs Github

copy

Full Screen

...30 var revisionInfo = browserFetcher.RevisionInfo(123456);31 Server.SetRedirect(revisionInfo.Url.Substring(TestConstants.ServerUrl.Length), "/chromium-linux.zip");32 Assert.False(revisionInfo.Local);33 Assert.Equal(Platform.Linux, revisionInfo.Platform);34 Assert.False(await browserFetcher.CanDownloadAsync(100000));35 Assert.True(await browserFetcher.CanDownloadAsync(123456));36 try37 {38 revisionInfo = await browserFetcher.DownloadAsync(123456);39 Assert.True(revisionInfo.Local);40 Assert.Equal("LINUX BINARY\n", File.ReadAllText(revisionInfo.ExecutablePath));41 if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))42 {43#if NETCOREAPP //This will not be run on net4x anyway.44 Mono.Unix.FileAccessPermissions permissions = ConvertPermissions(LinuxSysCall.ExecutableFilePermissions);45 Assert.Equal(permissions, UnixFileSystemInfo.GetFileSystemEntry(revisionInfo.ExecutablePath).FileAccessPermissions & permissions);46#endif47 }48 Assert.Equal(new[] { 123456 }, browserFetcher.LocalRevisions());49 browserFetcher.Remove(123456);...

Full Screen

Full Screen

ActivityServices.cs

Source:ActivityServices.cs Github

copy

Full Screen

...7 {8 public async Task GetActivity(string mssv)9 {10 var fetcher = new BrowserFetcher();11 if (await fetcher.CanDownloadAsync(BrowserFetcher.DefaultRevision))12 {13 await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);14 }15 var browser = await Puppeteer.LaunchAsync(new LaunchOptions16 {17 Headless = true18 });19 var page = await browser.NewPageAsync();20 await page.GoToAsync("http://ctct.ueh.edu.vn/modules.php?name=xemdiemmacle", WaitUntilNavigation.DOMContentLoaded);21 await page.TypeAsync("input[id='madoi']", mssv);22 await page.Keyboard.PressAsync("Enter");23 await page.WaitForNavigationAsync();24 string res = await page.GetContentAsync();25 Debug.WriteLine(res);...

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browserFetcher = new BrowserFetcher();9 var revisionInfo = await browserFetcher.CanDownloadAsync("555668");10 Console.WriteLine(revisionInfo.Revision);11 Console.WriteLine(revisionInfo.Local);12 Console.WriteLine(revisionInfo.Url);13 Console.WriteLine(revisionInfo.FolderPath);14 }15 }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20{21 {22 static async Task Main(string[] args)23 {24 var browserFetcher = new BrowserFetcher();25 var revisionInfo = await browserFetcher.CanDownloadAsync("555668");26 Console.WriteLine(revisionInfo.Revision);27 Console.WriteLine(revisionInfo.Local);28 Console.WriteLine(revisionInfo.Url);29 Console.WriteLine(revisionInfo.FolderPath);30 }31 }32}33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36{37 {38 static async Task Main(string[] args)39 {40 var browserFetcher = new BrowserFetcher();41 var revisionInfo = await browserFetcher.CanDownloadAsync("555668");42 Console.WriteLine(revisionInfo.Revision);43 Console.WriteLine(revisionInfo.Local);44 Console.WriteLine(revisionInfo.Url);45 Console.WriteLine(revisionInfo.FolderPath);46 }47 }48}

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var browserFetcher = new BrowserFetcher();9 var revisionInfo = await browserFetcher.CanDownloadAsync("506915");10 Console.WriteLine(revisionInfo.Local);11 Console.WriteLine(revisionInfo.Revision);12 Console.WriteLine(revisionInfo.Url);13 }14 }15}

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 var browserFetcher = new BrowserFetcher();10 var revisionInfo = await browserFetcher.CanDownloadAsync("chrome", "1.0.0");11 Console.WriteLine("revisionInfo: " + revisionInfo);12 Console.ReadLine();13 }14 }15}16using System;17using System.Threading.Tasks;18using PuppeteerSharp;19{20 {21 static async Task Main(string[] args)22 {23 Console.WriteLine("Hello World!");24 var browserFetcher = new BrowserFetcher();25 var revisionInfo = await browserFetcher.CanDownloadAsync("chrome", "1.0.0");26 Console.WriteLine("revisionInfo: " + revisionInfo);27 Console.ReadLine();28 }29 }30}31using System;32using System.Threading.Tasks;33using PuppeteerSharp;34{35 {36 static async Task Main(string[] args)37 {38 Console.WriteLine("Hello World!");39 var browserFetcher = new BrowserFetcher();40 var revisionInfo = await browserFetcher.CanDownloadAsync("chrome", "1.0.0");41 Console.WriteLine("revisionInfo: " + revisionInfo);42 Console.ReadLine();43 }44 }45}46using System;47using System.Threading.Tasks;48using PuppeteerSharp;49{50 {51 static async Task Main(string[] args)52 {53 Console.WriteLine("Hello World!");54 var browserFetcher = new BrowserFetcher();55 var revisionInfo = await browserFetcher.CanDownloadAsync("chrome", "1.0.0");56 Console.WriteLine("revisionInfo: " + revisionInfo);57 Console.ReadLine();58 }59 }60}

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browserFetcher = new BrowserFetcher();9 bool canDownload = await browserFetcher.CanDownloadAsync(737027);10 Console.WriteLine(canDownload);11 }12 }13}

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3{4 {5 static void Main(string[] args)6 {7 MainAsync().GetAwaiter().GetResult();8 }9 static async Task MainAsync()10 {11 var browserFetcher = new BrowserFetcher();12 bool canDownload = await browserFetcher.CanDownloadAsync(RevisionInfo.ChromeRevision);13 Console.WriteLine("canDownload = {0}", canDownload);14 }15 }16}17using System;18using System.Threading.Tasks;19{20 {21 static void Main(string[] args)22 {23 MainAsync().GetAwaiter().GetResult();24 }25 static async Task MainAsync()26 {27 var browserFetcher = new BrowserFetcher();28 var revisionInfo = await browserFetcher.DownloadAsync(RevisionInfo.ChromeRevision);29 Console.WriteLine("revisionInfo = {0}", revisionInfo);30 }31 }32}33using System;34using System.Threading.Tasks;35{36 {37 static void Main(string[] args)38 {39 MainAsync().GetAwaiter().GetResult();40 }41 static async Task MainAsync()42 {43 var browserFetcher = new BrowserFetcher();44 var revisionInfo = browserFetcher.GetRevisionInfo(RevisionInfo.ChromeRevision);45 Console.WriteLine("revisionInfo = {0}", revisionInfo);46 }47 }48}49using System;50using System.Threading.Tasks;51{52 {53 static void Main(string[] args)54 {55 MainAsync().GetAwaiter().GetResult();56 }57 static async Task MainAsync()58 {59 var browserFetcher = new BrowserFetcher();

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static async Task Main(string[] args)8 {9 var downloadPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "Downloads", "chromium");10 var browserFetcher = new BrowserFetcher(downloadPath);11 bool canDownload = await browserFetcher.CanDownloadAsync(BrowserFetcher.DefaultRevision);12 Console.WriteLine("Can download Chromium: " + canDownload);13 if (canDownload)14 {15 await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);16 }17 }18 }19}20using System;21using System.IO;22using System.Threading.Tasks;23using PuppeteerSharp;24{25 {26 static async Task Main(string[] args)27 {28 var downloadPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "Downloads", "chromium");29 var browserFetcher = new BrowserFetcher(downloadPath);30 string executablePath = await browserFetcher.GetExecutablePathAsync(BrowserFetcher.DefaultRevision);31 Console.WriteLine("Executable path: " + executablePath);32 }33 }34}35using System;36using System.IO;37using System.Threading.Tasks;38using PuppeteerSharp;39{40 {41 static async Task Main(string[] args)42 {43 var downloadPath = Path.Combine(Environment.GetFolderPath(Environment

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browserFetcher = new BrowserFetcher();9 var revisionInfo = browserFetcher.RevisionInfo(Revision.Chrome);10 if (revisionInfo.Local)11 {12 Console.WriteLine("Browser is already downloaded");13 }14 {15 Console.WriteLine("Browser is not downloaded");16 var downloadTask = browserFetcher.DownloadAsync(Revision.Chrome);17 await downloadTask;18 Console.WriteLine("Browser is downloaded");19 }20 Console.WriteLine("Press any key to exit");21 Console.ReadKey();22 }23 }24}25using System;26using System.Threading.Tasks;27using PuppeteerSharp;28{29 {30 static async Task Main(string[] args)31 {32 var browserFetcher = new BrowserFetcher();33 var revisionInfo = browserFetcher.RevisionInfo(Revision.Chrome);34 if (revisionInfo.Local)35 {36 Console.WriteLine("Browser is already downloaded");37 }38 {39 Console.WriteLine("Browser is not downloaded");40 var downloadTask = browserFetcher.DownloadAsync(Revision.Chrome);41 await downloadTask;42 Console.WriteLine("Browser is downloaded");43 }44 Console.WriteLine("Press any key to exit");45 Console.ReadKey();46 }47 }48}49using System;50using System.Threading.Tasks;51using PuppeteerSharp;52{53 {54 static async Task Main(string[] args)55 {56 var browserFetcher = new BrowserFetcher();57 var revisionInfo = browserFetcher.RevisionInfo(Revision.Chrome);58 if (revisionInfo.Local)59 {60 Console.WriteLine("

Full Screen

Full Screen

CanDownloadAsync

Using AI Code Generation

copy

Full Screen

1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 static async Task Main(string[] args)6 {7 var browserFetcher = new BrowserFetcher();8 var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);9 var canDownload = await browserFetcher.CanDownloadAsync(BrowserFetcher.DefaultRevision);10 if (canDownload)11 {12 await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);13 }14 }15 }16}

Full Screen

Full Screen

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.

LambdaTest Learning Hubs:

YouTube

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

Run Puppeteer-sharp automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

... View sample repo... View DocumentationSign up Free
›
_

Most used method in BrowserFetcher

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

...
Sign up with GoogleSign up with Email
Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful