KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use ConnectAsync method of PuppeteerSharp.Launcher class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Launcher.ConnectAsync

Browser.cs

Source:Browser.cs

...28    /// <![CDATA[29    /// var browser = await Puppeteer.LaunchAsync(new LaunchOptions());30    /// var browserWSEndpoint = browser.WebSocketEndpoint;31    /// browser.Disconnect();32    /// var browser2 = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = browserWSEndpoint });33    /// await browser2.CloseAsync();34    /// ]]>35    /// </code>36    /// </example>37    public class Browser : IDisposable, IAsyncDisposable38    {39        /// <summary>40        /// Time in milliseconds for process to exit gracefully.41        /// </summary>42        private const int CloseTimeout = 5000;43        private readonly ConcurrentDictionary<string, BrowserContext> _contexts;44        private readonly ILogger<Browser> _logger;45        private readonly Func<TargetInfo, bool> _targetFilterCallback;46        private Task _closeTask;47        internal Browser(48            Connection connection,49            string[] contextIds,50            bool ignoreHTTPSErrors,51            ViewPortOptions defaultViewport,52            LauncherBase launcher,53            Func<TargetInfo, bool> targetFilter)54        {55            Connection = connection;56            IgnoreHTTPSErrors = ignoreHTTPSErrors;57            DefaultViewport = defaultViewport;58            TargetsMap = new ConcurrentDictionary<string, Target>();59            ScreenshotTaskQueue = new TaskQueue();60            DefaultContext = new BrowserContext(Connection, this, null);61            _contexts = new ConcurrentDictionary<string, BrowserContext>(contextIds.ToDictionary(62                contextId => contextId,63                contextId => new BrowserContext(Connection, this, contextId)));64            Connection.Disconnected += Connection_Disconnected;65            Connection.MessageReceived += Connect_MessageReceived;66            Launcher = launcher;67            _logger = Connection.LoggerFactory.CreateLogger<Browser>();68            _targetFilterCallback = targetFilter ?? ((TargetInfo _) => true);69        }70        /// <summary>71        /// Raised when the <see cref="Browser"/> gets closed.72        /// </summary>73        public event EventHandler Closed;74        /// <summary>75        /// Raised when puppeteer gets disconnected from the Chromium instance. This might happen because one of the following76        /// - Chromium is closed or crashed77        /// - <see cref="Disconnect"/> method was called78        /// </summary>79        public event EventHandler Disconnected;80        /// <summary>81        /// Raised when the url of a target changes82        /// </summary>83        public event EventHandler<TargetChangedArgs> TargetChanged;84        /// <summary>85        /// Raised when a target is created, for example when a new page is opened by <c>window.open</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/Window/open"/> or <see cref="NewPageAsync"/>.86        /// </summary>87        public event EventHandler<TargetChangedArgs> TargetCreated;88        /// <summary>89        /// Raised when a target is destroyed, for example when a page is closed90        /// </summary>91        public event EventHandler<TargetChangedArgs> TargetDestroyed;92        /// <summary>93        /// Gets the Browser websocket url94        /// </summary>95        /// <remarks>96        /// Browser websocket endpoint which can be used as an argument to <see cref="Puppeteer.ConnectAsync(ConnectOptions, ILoggerFactory)"/>.97        /// The format is <c>ws://${host}:${port}/devtools/browser/[id]</c>98        /// You can find the <c>webSocketDebuggerUrl</c> from <c>http://${host}:${port}/json/version</c>.99        /// Learn more about the devtools protocol <see href="https://chromedevtools.github.io/devtools-protocol"/>100        /// and the browser endpoint <see href="https://chromedevtools.github.io/devtools-protocol/#how-do-i-access-the-browser-target"/>101        /// </remarks>102        public string WebSocketEndpoint => Connection.Url;103        /// <summary>104        /// Gets the spawned browser process. Returns <c>null</c> if the browser instance was created with <see cref="Puppeteer.ConnectAsync(ConnectOptions, ILoggerFactory)"/> method.105        /// </summary>106        public Process Process => Launcher?.Process;107        /// <summary>108        /// Gets or Sets whether to ignore HTTPS errors during navigation109        /// </summary>110        public bool IgnoreHTTPSErrors { get; set; }111        /// <summary>112        /// Gets a value indicating if the browser is closed113        /// </summary>114        public bool IsClosed115        {116            get117            {118                if (Launcher == null)...

PuppeteerConnectTests.cs

Source:PuppeteerConnectTests.cs

...23            var options = new ConnectOptions()24            {25                BrowserWSEndpoint = Browser.WebSocketEndpoint26            };27            var browser = await Puppeteer.ConnectAsync(options, TestConstants.LoggerFactory);28            await using (var page = await browser.NewPageAsync())29            {30                var response = await page.EvaluateExpressionAsync<int>("7 * 8");31                Assert.Equal(56, response);32            }33            await using (var originalPage = await Browser.NewPageAsync())34            {35                var response = await originalPage.EvaluateExpressionAsync<int>("7 * 6");36                Assert.Equal(42, response);37            }38        }39        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should be able to close remote browser")]40        [PuppeteerFact]41        public async Task ShouldBeAbleToCloseRemoteBrowser()42        {43            var originalBrowser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions());44            var remoteBrowser = await Puppeteer.ConnectAsync(new ConnectOptions45            {46                BrowserWSEndpoint = originalBrowser.WebSocketEndpoint47            });48            var tcsDisconnected = new TaskCompletionSource<bool>();49            originalBrowser.Disconnected += (_, _) => tcsDisconnected.TrySetResult(true);50            await Task.WhenAll(51              tcsDisconnected.Task,52              remoteBrowser.CloseAsync());53        }54        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should support ignoreHTTPSErrors option")]55        [PuppeteerFact]56        public async Task ShouldSupportIgnoreHTTPSErrorsOption()57        {58            await using (var originalBrowser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))59            await using (var browser = await Puppeteer.ConnectAsync(new ConnectOptions60            {61                BrowserWSEndpoint = originalBrowser.WebSocketEndpoint,62                IgnoreHTTPSErrors = true63            }))64            await using (var page = await browser.NewPageAsync())65            {66                var requestTask = HttpsServer.WaitForRequest(67                    "/empty.html",68                    request => request?.HttpContext?.Features?.Get<ITlsHandshakeFeature>()?.Protocol);69                var responseTask = page.GoToAsync(TestConstants.HttpsPrefix + "/empty.html");70                await Task.WhenAll(71                    requestTask,72                    responseTask).WithTimeout(Puppeteer.DefaultTimeout);73                var response = responseTask.Result;74                Assert.True(response.Ok);75                Assert.NotNull(response.SecurityDetails);76                Assert.Equal(77                    TestUtils.CurateProtocol(requestTask.Result.ToString()),78                    TestUtils.CurateProtocol(response.SecurityDetails.Protocol));79            }80        }81        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should support targetFilter option")]82        [SkipBrowserFact(skipFirefox: true)]83        public async Task ShouldSupportTargetFilter()84        {85            await using (var originalBrowser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))86            {87                var page1 = await originalBrowser.NewPageAsync();88                await page1.GoToAsync(TestConstants.EmptyPage);89                var page2 = await originalBrowser.NewPageAsync();90                await page2.GoToAsync(TestConstants.EmptyPage + "?should-be-ignored");91                var browser = await Puppeteer.ConnectAsync(new ConnectOptions {92                    BrowserWSEndpoint = originalBrowser.WebSocketEndpoint,93                    TargetFilter = (TargetInfo targetInfo) => !targetInfo.Url.Contains("should-be-ignored"),94                });95                var pages = await browser.PagesAsync();96                await page2.CloseAsync();97                await page1.CloseAsync();98                await browser.CloseAsync();99                Assert.Equal(100                    new string[]101                    {102                        "about:blank",103                        TestConstants.EmptyPage104                    },105                    pages.Select((Page p) => p.Url).OrderBy(t => t));106            }107        }108        [PuppeteerFact]109        public async Task ShouldBeAbleToSetBrowserPropertiesUsingConnectOptions()110        {111            var initActionExecuted = false;112            var options = new ConnectOptions113            {114                BrowserWSEndpoint = Browser.WebSocketEndpoint,115                InitAction = brw =>116                {117                    initActionExecuted = true;118                }119            };120            var browser = await Puppeteer.ConnectAsync(options, TestConstants.LoggerFactory);121            Assert.True(initActionExecuted);122            await browser.CloseAsync();123        }124        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should be able to reconnect to a disconnected browser")]125        [SkipBrowserFact(skipFirefox: true)]126        public async Task ShouldBeAbleToReconnectToADisconnectedBrowser()127        {128            var options = new ConnectOptions()129            {130                BrowserWSEndpoint = Browser.WebSocketEndpoint131            };132            var url = TestConstants.ServerUrl + "/frames/nested-frames.html";133            var page = await Browser.NewPageAsync();134            await page.GoToAsync(url);135            Browser.Disconnect();136            await using (var browser = await Puppeteer.ConnectAsync(options, TestConstants.LoggerFactory))137            {138                var pages = (await browser.PagesAsync()).ToList();139                var restoredPage = pages.FirstOrDefault(x => x.Url == url);140                Assert.NotNull(restoredPage);141                var frameDump = FrameUtils.DumpFrames(restoredPage.MainFrame);142                Assert.Equal(TestConstants.NestedFramesDumpResult, frameDump);143                var response = await restoredPage.EvaluateExpressionAsync<int>("7 * 8");144                Assert.Equal(56, response);145            }146        }147        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should be able to connect to the same page simultaneously")]148        [SkipBrowserFact(skipFirefox: true)]149        public async Task ShouldBeAbleToConnectToTheSamePageSimultaneously()150        {151            var browserOne = await Puppeteer.LaunchAsync(new LaunchOptions());152            var browserTwo = await Puppeteer.ConnectAsync(new ConnectOptions153            {154                BrowserWSEndpoint = browserOne.WebSocketEndpoint155            });156            var tcs = new TaskCompletionSource<Page>();157            async void TargetCreated(object sender, TargetChangedArgs e)158            {159                tcs.TrySetResult(await e.Target.PageAsync());160                browserOne.TargetCreated -= TargetCreated;161            }162            browserOne.TargetCreated += TargetCreated;163            var page2Task = browserTwo.NewPageAsync();164            await Task.WhenAll(tcs.Task, page2Task);165            var page1 = tcs.Task.Result;166            var page2 = page2Task.Result;167            Assert.Equal(56, await page1.EvaluateExpressionAsync<int>("7 * 8"));168            Assert.Equal(42, await page2.EvaluateExpressionAsync<int>("7 * 6"));169            await browserOne.CloseAsync();170        }171        [PuppeteerTest("launcher.spec.ts", "Puppeteer.connect", "should be able to reconnect")]172        [SkipBrowserFact(skipFirefox: true)]173        public async Task ShouldBeAbleToReconnect()174        {175            var browserOne = await Puppeteer.LaunchAsync(new LaunchOptions());176            var browserWSEndpoint = browserOne.WebSocketEndpoint;177            var page1 = await browserOne.NewPageAsync();178            await page1.GoToAsync(TestConstants.EmptyPage);179            browserOne.Disconnect();180            var browserTwo = await Puppeteer.ConnectAsync(new ConnectOptions181            {182                BrowserWSEndpoint = browserWSEndpoint183            });184            var pages = await browserTwo.PagesAsync();185            var pageTwo = pages.First(page => page.Url == TestConstants.EmptyPage);186            await pageTwo.ReloadAsync();187            var bodyHandle = await pageTwo.WaitForSelectorAsync("body", new WaitForSelectorOptions { Timeout = 10000 });188            await bodyHandle.DisposeAsync();189            await browserTwo.CloseAsync();190        }191        [PuppeteerFact]192        public async Task ShouldSupportCustomWebSocket()193        {194            var customSocketCreated = false;195            var options = new ConnectOptions()196            {197                BrowserWSEndpoint = Browser.WebSocketEndpoint,198                WebSocketFactory = (uri, socketOptions, cancellationToken) =>199                {200                    customSocketCreated = true;201                    return WebSocketTransport.DefaultWebSocketFactory(uri, socketOptions, cancellationToken);202                }203            };204            await using (await Puppeteer.ConnectAsync(options, TestConstants.LoggerFactory))205            {206                Assert.True(customSocketCreated);207            }208        }209        [PuppeteerFact]210        public async Task ShouldSupportCustomTransport()211        {212            var customTransportCreated = false;213            var options = new ConnectOptions()214            {215                BrowserWSEndpoint = Browser.WebSocketEndpoint,216                TransportFactory = (url, opt, cancellationToken) =>217                {218                    customTransportCreated = true;219                    return WebSocketTransport.DefaultTransportFactory(url, opt, cancellationToken);220                }221            };222            await using (await Puppeteer.ConnectAsync(options, TestConstants.LoggerFactory))223            {224                Assert.True(customTransportCreated);225            }226        }227    }228}...

Launcher.cs

Source:Launcher.cs

...74        /// Attaches Puppeteer to an existing Chromium instance. The browser will be closed when the Browser is disposed.75        /// </summary>76        /// <param name="options">Options for connecting.</param>77        /// <returns>A connected browser.</returns>78        public async Task<Browser> ConnectAsync(ConnectOptions options)79        {80            EnsureSingleLaunchOrConnect();81            try82            {83                var connection = await Connection.Create(options.BrowserWSEndpoint, options, _loggerFactory).ConfigureAwait(false);84                var response = await connection.SendAsync<GetBrowserContextsResponse>("Target.getBrowserContexts");85                return await Browser86                    .CreateAsync(connection, response.BrowserContextIds, options.IgnoreHTTPSErrors, options.DefaultViewport, null)87                    .ConfigureAwait(false);88            }89            catch (Exception ex)90            {91                throw new ChromiumProcessException("Failed to create connection", ex);92            }...

FixturesTests.cs

Source:FixturesTests.cs

...38            var ChromiumLauncher = new ChromiumLauncher(39                (await browserFetcher.GetRevisionInfoAsync()).ExecutablePath,40                new LaunchOptions { Headless = true });41            await ChromiumLauncher.StartAsync().ConfigureAwait(false);42            var browser = await Puppeteer.ConnectAsync(new ConnectOptions43            {44                BrowserWSEndpoint = ChromiumLauncher.EndPoint45            });46            browser.Disconnected += (_, _) =>47            {48                browserClosedTaskWrapper.SetResult(true);49            };50            KillProcess(ChromiumLauncher.Process.Id);51            await browserClosedTaskWrapper.Task;52            Assert.True(browser.IsClosed);53        }54        [PuppeteerTest("fixtures.spec.ts", "Fixtures", "should close the browser when the node process closes")]55        [SkipBrowserFact(skipFirefox: true)]56        public async Task ShouldCloseTheBrowserWhenTheLaunchedProcessCloses()...

Puppeteer.cs

Source:Puppeteer.cs

...44        /// </summary>45        /// <param name="options">Options for connecting.</param>46        /// <param name="loggerFactory">The logger factory</param>47        /// <returns>A connected browser.</returns>48        public static Task<Browser> ConnectAsync(ConnectOptions options, ILoggerFactory loggerFactory = null)49            => new Launcher(loggerFactory).ConnectAsync(options);50    }51}...

BrowserDisconnectTests.cs

Source:BrowserDisconnectTests.cs

...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}...

BrowserEventsDisconnectedTests.cs

Source:BrowserEventsDisconnectedTests.cs

...16        public async Task ShouldEmittedWhenBrowserGetsClosedDisconnectedOrUnderlyingWebsocketGetsClosed()17        {18            var originalBrowser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions(), TestConstants.LoggerFactory);19            var connectOptions = new ConnectOptions { BrowserWSEndpoint = originalBrowser.WebSocketEndpoint };20            var remoteBrowser1 = await Puppeteer.ConnectAsync(connectOptions, TestConstants.LoggerFactory);21            var remoteBrowser2 = await Puppeteer.ConnectAsync(connectOptions, TestConstants.LoggerFactory);22            var disconnectedOriginal = 0;23            var disconnectedRemote1 = 0;24            var disconnectedRemote2 = 0;25            originalBrowser.Disconnected += (_, _) => ++disconnectedOriginal;26            remoteBrowser1.Disconnected += (_, _) => ++disconnectedRemote1;27            remoteBrowser2.Disconnected += (_, _) => ++disconnectedRemote2;28            var remoteBrowser2Disconnected = WaitForBrowserDisconnect(remoteBrowser2);29            remoteBrowser2.Disconnect();30            await remoteBrowser2Disconnected;31            Assert.Equal(0, disconnectedOriginal);32            Assert.Equal(0, disconnectedRemote1);33            Assert.Equal(1, disconnectedRemote2);34            var remoteBrowser1Disconnected = WaitForBrowserDisconnect(remoteBrowser1);35            var originalBrowserDisconnected = WaitForBrowserDisconnect(originalBrowser);...

BrowserCloseTests.cs

Source:BrowserCloseTests.cs

...15        [PuppeteerFact]16        public async Task ShouldTerminateNetworkWaiters()17        {18            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))19            await using (var remote = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = browser.WebSocketEndpoint }))20            {21                var newPage = await remote.NewPageAsync();22                var requestTask = newPage.WaitForRequestAsync(TestConstants.EmptyPage);23                var responseTask = newPage.WaitForResponseAsync(TestConstants.EmptyPage);24                await browser.CloseAsync();25                var exception = await Assert.ThrowsAsync<TargetClosedException>(() => requestTask);26                Assert.Contains("Target closed", exception.Message);27                Assert.DoesNotContain("Timeout", exception.Message);28                exception = await Assert.ThrowsAsync<TargetClosedException>(() => responseTask);29                Assert.Contains("Target closed", exception.Message);30                Assert.DoesNotContain("Timeout", exception.Message);31            }32        }33    }...

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            var browser = await Puppeteer.ConnectAsync(options);11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");13        }14    }15}16using System;17using System.Threading.Tasks;18using PuppeteerSharp;19{20    {21        static async Task Main(string[] args)22        {23            var browser = await Puppeteer.LaunchAsync();24            var page = await browser.NewPageAsync();25            await page.ScreenshotAsync("google.png");26        }27    }28}29using System;30using System.Threading.Tasks;31using PuppeteerSharp;32{33    {34        static async Task Main(string[] args)35        {36            {37                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"38            };39            var browser = await Puppeteer.LaunchAsync(options);40            var page = await browser.NewPageAsync();41            await page.ScreenshotAsync("google.png");42        }43    }44}

ConnectAsync

Using AI Code Generation

1using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",4}))5{6    var page = await browser.NewPageAsync();7    Console.WriteLine("done");8    Console.ReadKey();9}10using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions11{12    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",13}))14{15    var page = await browser.NewPageAsync();16    Console.WriteLine("done");17    Console.ReadKey();18}191. LaunchAsync(LaunchOptions options = null)202. LaunchAsync(LaunchOptions options = null, BrowserContextOptions contextOptions = null)211. LaunchAsync(LaunchOptions options = null)222. LaunchAsync(LaunchOptions options = null,

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {

ConnectAsync

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.ConnectAsync(options);9            var page = await browser.NewPageAsync();10            await page.ScreenshotAsync("google.png");11            await browser.CloseAsync();12        }13    }14}

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            var browser = await Puppeteer.ConnectAsync(options);11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");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            {25            };26            var browser = await Puppeteer.ConnectAsync(options);27            var page = await browser.NewPageAsync();28            await page.ScreenshotAsync("google.png");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            {41            };42            var browser = await Puppeteer.ConnectAsync(options);43            var page = await browser.NewPageAsync();

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        public static async Task Main(string[] args)7        {8            var browser = await Puppeteer.ConnectAsync(new ConnectOptions9            {

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            var browser = await Puppeteer.ConnectAsync(options);11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");13            await browser.CloseAsync();14        }15    }16}

ConnectAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        private static async Task Main(string[] args)7        {8            {9            };10            var browserFetcher = new BrowserFetcher(browserFetcherOptions);11            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14                ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)15            });16            var page = await browser.NewPageAsync();17            await page.ScreenshotAsync("google.png");18            await browser.CloseAsync();19        }20    }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26    {27        private static async Task Main(string[] args)28        {29            {30            };31            var browserFetcher = new BrowserFetcher(browserFetcherOptions);32            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);33            var browser = await Puppeteer.LaunchAsync(new LaunchOptions34            {35                ExecutablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision)36            });37            var page = await browser.NewPageAsync();38            await page.ScreenshotAsync("google.png");39            await browser.CloseAsync();40        }41    }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{47    {48        private static async Task Main(string[] args)49        {50            {51            };52            var browserFetcher = new BrowserFetcher(browserFetcherOptions);53            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);54            var browser = await Puppeteer.LaunchAsync(new

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.