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

Copied to Clipboard!

How to use CreateBrowserFetcher method of PuppeteerSharp.Puppeteer class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Puppeteer.CreateBrowserFetcher

FrmMain.cs

Source:FrmMain.cs

...141            }));142            Task.Run(async () =>143            {144                #region æ å¤´æµè§å¨ä¸è½½æ´æ°145                BrowserFetcher browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());146                RevisionInfo revisionInfo = browserFetcher.RevisionInfo(BrowserFetcher.DefaultChromiumRevision);147                if (revisionInfo.Downloaded && revisionInfo.Local)148                {149                    this.Invoke(new Action(() =>150                    {151                        this.rTxt_log.AppendText("æ å¤´æµè§å¨æ£æ¥å®æï¼æ éæ´æ°ï¼ \n");152                    }));153                }154                else155                {156                    this.Invoke(new Action(() =>157                    {158                        this.rTxt_log.AppendText("æ å¤´æµè§å¨æ£æ¥å®æï¼éè¦æ´æ°ï¼ \n");159                        this.rTxt_log.AppendText("æ£å¨æ£æ¥æ´æ°... \n");...

BrowserFetcherTests.cs

Source:BrowserFetcherTests.cs

...23        [PuppeteerTest("launcher.spec.ts", "BrowserFetcher", "should download and extract chrome linux binary")]24        [PuppeteerFact]25        public async Task ShouldDownloadAndExtractLinuxBinary()26        {27            using var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions28            {29                Platform = Platform.Linux,30                Path = _downloadsFolder,31                Host = TestConstants.ServerUrl32            });33            var revisionInfo = browserFetcher.RevisionInfo("123456");34            Server.SetRedirect(revisionInfo.Url.Substring(TestConstants.ServerUrl.Length), "/chromium-linux.zip");35            Assert.False(revisionInfo.Local);36            Assert.Equal(Platform.Linux, revisionInfo.Platform);37            Assert.False(await browserFetcher.CanDownloadAsync("100000"));38            Assert.True(await browserFetcher.CanDownloadAsync("123456"));39            try40            {41                revisionInfo = await browserFetcher.DownloadAsync("123456");42                Assert.True(revisionInfo.Local);43                Assert.Equal("LINUX BINARY\n", File.ReadAllText(revisionInfo.ExecutablePath));44                if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))45                {46#if NETCOREAPP //This will not be run on net4x anyway.47                    Mono.Unix.FileAccessPermissions permissions = ConvertPermissions(LinuxSysCall.ExecutableFilePermissions);48                    Assert.Equal(permissions, UnixFileSystemInfo.GetFileSystemEntry(revisionInfo.ExecutablePath).FileAccessPermissions & permissions);49#endif50                }51                Assert.Equal(new[] { "123456" }, browserFetcher.LocalRevisions());52                browserFetcher.Remove("123456");53                Assert.Empty(browserFetcher.LocalRevisions());54                //Download should return data from a downloaded version55                //This section is not in the Puppeteer test.56                await browserFetcher.DownloadAsync("123456");57                Server.Reset();58                revisionInfo = await browserFetcher.DownloadAsync("123456");59                Assert.True(revisionInfo.Local);60                Assert.Equal("LINUX BINARY\n", File.ReadAllText(revisionInfo.ExecutablePath));61            }62            finally63            {64                EnsureDownloadsFolderIsDeleted();65            }66        }67        [PuppeteerTest("launcher.spec.ts", "BrowserFetcher", "should download and extract firefox linux binary")]68        [PuppeteerFact]69        public async Task ShouldDownloadAndExtractFirefoxLinuxBinary()70        {71            using var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions72            {73                Platform = Platform.Linux,74                Path = _downloadsFolder,75                Host = TestConstants.ServerUrl,76                Product = Product.Firefox77            });78            var expectedVersion = "75.0a1";79            var revisionInfo = browserFetcher.RevisionInfo(expectedVersion);80            Server.SetRedirect(81                revisionInfo.Url.Substring(TestConstants.ServerUrl.Length),82                "/firefox.zip");83            Assert.False(revisionInfo.Local);84            Assert.Equal(Platform.Linux, revisionInfo.Platform);85            Assert.False(await browserFetcher.CanDownloadAsync("100000"));...

Puppeteer.cs

Source:Puppeteer.cs

...68        /// Creates the browser fetcher.69        /// </summary>70        /// <returns>The browser fetcher.</returns>71        /// <param name="options">Options.</param>72        public static BrowserFetcher CreateBrowserFetcher(BrowserFetcherOptions options)73            => new BrowserFetcher(options);74        /// <summary>75        /// Returns a list of devices to be used with <seealso cref="Page.EmulateAsync(DeviceDescriptor)"/>. 76        /// </summary>77        /// <example>78        /// <code>79        ///<![CDATA[80        /// var iPhone = Puppeteer.Devices[DeviceDescriptorName.IPhone6];81        /// using(var page = await browser.NewPageAsync())82        /// {83        ///     await page.EmulateAsync(iPhone);84        ///     await page.goto('https://www.google.com');85        /// }86        /// ]]>...

LoteriaCaixaService.cs

Source:LoteriaCaixaService.cs

...19        {20            IEnumerable<Sorteio> result = null;21            try22            {23                var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());24                var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);25                var optionsLaunch = new LaunchOptions26                {27                    Headless = true,28                    ExecutablePath = revisionInfo.ExecutablePath29                };30                using (var browser = await Puppeteer.LaunchAsync(optionsLaunch))31                using (var page = await browser.NewPageAsync())32                {33                    var pageUrl = _configuration.GetSection(_pageLoteriaCaixaUrl).Value;34                    await page.GoToAsync(pageUrl);35                    var jsSelectAllAnchors = @"() => {36                                                    const table = document.querySelector('table');37                                                    let items = [];...

ChromiumCheck.cs

Source:ChromiumCheck.cs

...17        {18            int progressNumber = 0;19            var rdmNumber = new Random();20            // creates a variable that create a BrowserFetcher, that can be used to fx. install chromium.21            var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());22            // Creates a variable that contains info about the newest chromium version.23            var revisionInfo = await browserFetcher.GetRevisionInfoAsync();24            // Checks if chromium is already installed.25            if (!revisionInfo.Local)26            {27                Console.ForegroundColor = System.ConsoleColor.Yellow;28                Console.WriteLine("Checking for Chromium");29                Thread.Sleep(1000);30                Console.WriteLine("Installing chromium please wait...");31                // Downloads Chromium in the background. Doing this so the progress bar/number can be shown in the console at the same time.32                var bfDownload = browserFetcher.DownloadAsync(BrowserFetcher.DefaultChromiumRevision).ConfigureAwait(true).GetAwaiter();33                // Outputs progress in percentages in console.34                while (progressNumber <= 100)35                {...

InstagramService.cs

Source:InstagramService.cs

...14        {15            IEnumerable<Image> result = null;16            try17            {18                var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions());19                var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);20                var optionsLaunch = new LaunchOptions21                {22                    Headless = true,23                    ExecutablePath = revisionInfo.ExecutablePath24                };25                using (var browser = await Puppeteer.LaunchAsync(optionsLaunch))26                using (var page = await browser.NewPageAsync())27                {28                    var profileUrl = $"https://www.instagram.com/{profile}/";29                    await page.GoToAsync(profileUrl);30                    var jsSelectAllAnchors = @"Array.from(document.querySelectorAll('article a')).map(el => {31                                                const url = el.href;32                                                const child = el.firstChild.firstChild.firstChild...

Configuration.cs

Source:Configuration.cs

...22                    Platform = Platform.Linux23                };24                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) options.Platform = Platform.Win64;25                logger.LogInformation("Setting up Puppeteer to use {0} on platform {1} and caching in {2}", options.Product, options.Platform, options.Path);26                var fetcher = Puppeteer.CreateBrowserFetcher(options);27                var currentRevisions = fetcher.LocalRevisions();28                if (currentRevisions.Any())29                {30                    var info = fetcher.GetRevisionInfoAsync().GetAwaiter().GetResult();31                    logger.LogInformation("Found cached Puppeteer {0} in {0}", info.Revision, info.ExecutablePath);32                    if (info.Downloaded) return info;33                }34                logger.LogInformation("Downloading Puppeteer");35                return fetcher.DownloadAsync().GetAwaiter().GetResult();36            });37            services.TryAddScoped<IPdfGenerator, PdfGenerator>();38            return services;39        }40    }...

PdfTestFunction.cs

Source:PdfTestFunction.cs

...15			ILogger log )16		{17			log.LogInformation( $"{nameof( PdfTestFunction )} function processed a request." );18			// TODO: Move browserFetcher to startUp class19			Puppeteer.CreateBrowserFetcher( new BrowserFetcherOptions( ) );20			await new BrowserFetcher( ).DownloadAsync( BrowserFetcher.DefaultRevision );21			log.LogInformation( $"{nameof( PdfTestFunction )} downloaded browser version:{BrowserFetcher.DefaultRevision}." );22			var browser = await Puppeteer.LaunchAsync( new LaunchOptions( ) );23			24			log.LogInformation( $"{nameof( PdfTestFunction )} launched browser." );25			var page = await browser.NewPageAsync( );26			await page.GoToAsync( "https://www.google.com" );27			28			log.LogInformation( $"{nameof( PdfTestFunction )} browser go to page." );29			var testpdf = await page.PdfDataAsync( );30			31			log.LogInformation( $"PDF size {testpdf.Length}" );32			await browser.CloseAsync( );33			return new FileContentResult( testpdf, "application/pdf" );...

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            Run().Wait();9        }10        static async Task Run()11        {12            var fetcher = Puppeteer.CreateBrowserFetcher();13            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);14            Console.WriteLine(revisionInfo.LocalRevision);15        }16    }17}

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.LocalRevision);11        }12    }13}

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.LocalPath);11        }12    }13}14using PuppeteerSharp;15using System;16using System.Threading.Tasks;17{18    {19        static async Task Main(string[] args)20        {21            {22            };23            using (var browser = await Puppeteer.LaunchAsync(options))24            {25                Console.WriteLine("Browser launched");26                var page = await browser.NewPageAsync();27                Console.WriteLine("Page loaded");28                var title = await page.EvaluateExpressionAsync<string>("document.title");29                Console.WriteLine("Page title: " + title);30            }31        }32    }33}34using PuppeteerSharp;35using System;36using System.Threading.Tasks;37{38    {39        static void Main(string[] args)40        {41            {

CreateBrowserFetcher

Using AI Code Generation

1using (var browserFetcher = Puppeteer.CreateBrowserFetcher())2{3    await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);4}5using (var browser = await browserFetcher.LaunchAsync(new LaunchOptions6{7    ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)8}))9{10    var page = await browser.NewPageAsync();11    await page.ScreenshotAsync("screenshot.png");12}13using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions14{15}))16{17    var page = await browser.NewPageAsync();18    await page.ScreenshotAsync("screenshot.png");19}20using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions21{22    ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)23}))24{25    var page = await browser.NewPageAsync();26    await page.ScreenshotAsync("screenshot.png");27}28using (var browser = await Puppet

CreateBrowserFetcher

Using AI Code Generation

1using PuppeteerSharp;2{3    {4        static void Main(string[] args)5        {6            var task = MainAsync(args);7            task.Wait();8        }9        static async Task MainAsync(string[] args)10        {11            var browserFetcher = Puppeteer.CreateBrowserFetcher(new BrowserFetcherOptions12            {13            });14            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);15            Console.WriteLine(revisionInfo.LocalPath);16        }17    }18}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revision = fetcher.RevisionInfo(Downloader.DefaultRevision).Revision;10            fetcher.DownloadAsync(revision).Wait();11            Console.WriteLine("Done");12            Console.ReadKey();13        }14    }15}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = Puppeteer.CreateBrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync("533271");10            Console.WriteLine(revisionInfo.ExecutablePath);11            Console.ReadLine();12        }13    }14}15using System;16using System.Threading.Tasks;17using PuppeteerSharp;18{19    {20        static async Task Main(string[] args)21        {22            var browser = await Puppeteer.LaunchAsync(new LaunchOptions23            {24            });25            var page = await browser.NewPageAsync();26            await page.ScreenshotAsync("google.png");27            await browser.CloseAsync();28            Console.ReadLine();29        }30    }31}32using System;33using System.Threading.Tasks;34using PuppeteerSharp;35{36    {37        static async Task Main(string[] args)38        {39            var browser = await Puppeteer.LaunchAsync(new LaunchOptions40            {41            });42            var page = await browser.NewPageAsync();43            await page.ScreenshotAsync("google.png");44            await browser.CloseAsync();45            Console.ReadLine();46        }47    }48}49using System;50using System.Threading.Tasks;

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = Puppeteer.CreateBrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10        }11    }12}

CreateBrowserFetcher

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = Puppeteer.CreateBrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10        }11    }12}

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.