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How to use Tracing class of PuppeteerSharp package
Best Puppeteer-sharp code snippet using PuppeteerSharp.Tracing
CDPSession.cs
Source:CDPSession.cs 
...77 public event EventHandler<MessageEventArgs> MessageReceived;78 /// <summary>79 /// Occurs when tracing is completed.80 /// </summary>81 public event EventHandler<TracingCompleteEventArgs> TracingComplete;82 /// <summary>83 /// Occurs when the connection is closed.84 /// </summary>85 public event EventHandler Closed;86 /// <summary>87 /// Gets or sets a value indicating whether this <see cref="CDPSession"/> is closed.88 /// </summary>89 /// <value><c>true</c> if is closed; otherwise, <c>false</c>.</value>90 public bool IsClosed { get; internal set; }91 /// <summary>92 /// Gets the logger factory.93 /// </summary>94 /// <value>The logger factory.</value>95 public ILoggerFactory LoggerFactory { get; }96 #endregion97 #region Public Methods98 internal void Send(string method, dynamic args = null)99 => _ = SendAsync(method, args, false);100 /// <summary>101 /// Protocol methods can be called with this method.102 /// </summary>103 /// <param name="method">The method name</param>104 /// <param name="args">The method args</param>105 /// <returns>The task.</returns>106 public async Task<T> SendAsync<T>(string method, dynamic args = null)107 {108 JObject content = await SendAsync(method, args).ConfigureAwait(false);109 return content.ToObject<T>();110 }111 /// <summary>112 /// Protocol methods can be called with this method.113 /// </summary>114 /// <param name="method">The method name</param>115 /// <param name="args">The method args</param>116 /// <param name="waitForCallback">117 /// If <c>true</c> the method will return a task to be completed when the message is confirmed by Chromium.118 /// If <c>false</c> the task will be considered complete after sending the message to Chromium.119 /// </param>120 /// <returns>The task.</returns>121 /// <exception cref="PuppeteerSharp.PuppeteerException"></exception>122 public async Task<JObject> SendAsync(string method, dynamic args = null, bool waitForCallback = true)123 {124 if (Connection == null)125 {126 throw new PuppeteerException($"Protocol error ({method}): Session closed. Most likely the {TargetType} has been closed.");127 }128 var id = Interlocked.Increment(ref _lastId);129 var message = JsonConvert.SerializeObject(new Dictionary<string, object>130 {131 { MessageKeys.Id, id },132 { MessageKeys.Method, method },133 { MessageKeys.Params, args }134 });135 _logger.LogTrace("Send ⺠{Id} Method {Method} Params {@Params}", id, method, (object)args);136 MessageTask callback = null;137 if (waitForCallback)138 {139 callback = new MessageTask140 {141 TaskWrapper = new TaskCompletionSource<JObject>(),142 Method = method143 };144 _callbacks[id] = callback;145 }146 try147 {148 await Connection.SendAsync(149 "Target.sendMessageToTarget", new Dictionary<string, object>150 {151 {"sessionId", SessionId},152 {"message", message}153 },154 waitForCallback).ConfigureAwait(false);155 }156 catch (Exception ex)157 {158 if (waitForCallback && _callbacks.TryRemove(id, out _))159 {160 callback.TaskWrapper.SetException(new MessageException(ex.Message, ex));161 }162 }163 return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;164 }165 /// <summary>166 /// Detaches session from target. Once detached, session won't emit any events and can't be used to send messages.167 /// </summary>168 /// <returns></returns>169 /// <exception cref="T:PuppeteerSharp.PuppeteerException"></exception>170 public Task DetachAsync()171 {172 if (Connection == null)173 {174 throw new PuppeteerException($"Session already detached.Most likely the { TargetType } has been closed.");175 }176 return Connection.SendAsync("Target.detachFromTarget", new { sessionId = SessionId });177 }178 internal bool HasPendingCallbacks() => _callbacks.Count != 0;179 #endregion180 #region Private Methods181 internal void OnMessage(string message)182 {183 _logger.LogTrace("â Receive {Message}", message);184 JObject obj = null;185 try186 {187 obj = JObject.Parse(message);188 }189 catch (JsonException exc)190 {191 _logger.LogError(exc, "Failed to deserialize message", message);192 return;193 }194 var id = obj[MessageKeys.Id]?.Value<int>();195 if (id.HasValue && _callbacks.TryRemove(id.Value, out var callback))196 {197 if (obj[MessageKeys.Error] != null)198 {199 callback.TaskWrapper.TrySetException(new MessageException(callback, obj));200 }201 else202 {203 callback.TaskWrapper.TrySetResult(obj[MessageKeys.Result].Value<JObject>());204 }205 }206 else207 {208 var method = obj[MessageKeys.Method].AsString();209 var param = obj[MessageKeys.Params];210 if (method == "Tracing.tracingComplete")211 {212 TracingComplete?.Invoke(this, new TracingCompleteEventArgs213 {214 Stream = param[MessageKeys.Stream].AsString()215 });216 }217 else if (method == "Target.receivedMessageFromTarget")218 {219 var sessionId = param[MessageKeys.SessionId].AsString();220 if (_sessions.TryGetValue(sessionId, out var session))221 {222 session.OnMessage(param[MessageKeys.Message].AsString());223 }224 }225 else if (method == "Target.detachedFromTarget")226 {...
TracingTests.cs
Source:TracingTests.cs
...9using PuppeteerSharp.Tests.Attributes;10using PuppeteerSharp.Xunit;11using Xunit;12using Xunit.Abstractions;13namespace PuppeteerSharp.Tests.TracingTests14{15 [Collection(TestConstants.TestFixtureCollectionName)]16 public class TracingTests : PuppeteerPageBaseTest17 {18 private readonly string _file;19 public TracingTests(ITestOutputHelper output) : base(output)20 {21 _file = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());22 }23 public override async Task DisposeAsync()24 {25 await base.DisposeAsync();26 var attempts = 0;27 const int maxAttempts = 5;28 while (true)29 {30 try31 {32 attempts++;33 if (File.Exists(_file))34 {35 File.Delete(_file);36 }37 break;38 }39 catch (UnauthorizedAccessException)40 {41 if (attempts == maxAttempts)42 {43 break;44 }45 await Task.Delay(1000);46 }47 }48 }49 [PuppeteerTest("tracing.spec.ts", "Tracing", "should output a trace")]50 [SkipBrowserFact(skipFirefox: true)]51 public async Task ShouldOutputATrace()52 {53 await Page.Tracing.StartAsync(new TracingOptions54 {55 Screenshots = true,56 Path = _file57 });58 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");59 await Page.Tracing.StopAsync();60 Assert.True(File.Exists(_file));61 }62 [PuppeteerTest("tracing.spec.ts", "Tracing", "should run with custom categories if provided")]63 [SkipBrowserFact(skipFirefox: true)]64 public async Task ShouldRunWithCustomCategoriesProvided()65 {66 await Page.Tracing.StartAsync(new TracingOptions67 {68 Screenshots = true,69 Path = _file,70 Categories = new List<string>71 {72 "disabled-by-default-v8.cpu_profiler.hires"73 }74 });75 await Page.Tracing.StopAsync();76 using (var file = File.OpenText(_file))77 using (var reader = new JsonTextReader(file))78 {79 var traceJson = JToken.ReadFrom(reader);80 Assert.Contains("disabled-by-default-v8.cpu_profiler.hires", traceJson["metadata"]["trace-config"].ToString());81 }82 }83 [PuppeteerTest("tracing.spec.ts", "Tracing", "should throw if tracing on two pages")]84 [SkipBrowserFact(skipFirefox: true)]85 public async Task ShouldThrowIfTracingOnTwoPages()86 {87 await Page.Tracing.StartAsync(new TracingOptions88 {89 Path = _file90 });91 var newPage = await Browser.NewPageAsync();92 await Assert.ThrowsAsync<InvalidOperationException>(async () =>93 {94 await Page.Tracing.StartAsync(new TracingOptions95 {96 Path = _file97 });98 });99 await newPage.CloseAsync();100 await Page.Tracing.StopAsync();101 }102 [PuppeteerTest("tracing.spec.ts", "Tracing", "should return a buffer")]103 [SkipBrowserFact(skipFirefox: true)]104 public async Task ShouldReturnABuffer()105 {106 await Page.Tracing.StartAsync(new TracingOptions107 {108 Screenshots = true,109 Path = _file110 });111 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");112 var trace = await Page.Tracing.StopAsync();113 var buf = File.ReadAllText(_file);114 Assert.Equal(trace, buf);115 }116 [PuppeteerTest("tracing.spec.ts", "Tracing", "should work without options")]117 [SkipBrowserFact(skipFirefox: true)]118 public async Task ShouldWorkWithoutOptions()119 {120 await Page.Tracing.StartAsync();121 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");122 var trace = await Page.Tracing.StopAsync();123 Assert.NotNull(trace);124 }125 [PuppeteerTest("tracing.spec.ts", "Tracing", "should support a buffer without a path")]126 [SkipBrowserFact(skipFirefox: true)]127 public async Task ShouldSupportABufferWithoutAPath()128 {129 await Page.Tracing.StartAsync(new TracingOptions130 {131 Screenshots = true132 });133 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");134 var trace = await Page.Tracing.StopAsync();135 Assert.Contains("screenshot", trace);136 }137 }138}...
Tracing.cs
Source:Tracing.cs
...5using PuppeteerSharp.Messaging;6namespace PuppeteerSharp7{8 /// <summary>9 /// You can use <see cref="Tracing.StartAsync(TracingOptions)"/> and <see cref="Tracing.StopAsync"/> to create a trace file which can be opened in Chrome DevTools or timeline viewer.10 /// </summary>11 /// <example>12 /// <code>13 /// await Page.Tracing.StartAsync(new TracingOptions14 /// {15 /// Screenshots = true,16 /// Path = _file17 /// });18 /// await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");19 /// await Page.Tracing.StopAsync();20 /// </code>21 /// </example>22 public class Tracing23 {24 private readonly CDPSession _client;25 private bool _recording;26 private string _path;27 private static readonly List<string> _defaultCategories = new List<string>()28 {29 "-*",30 "devtools.timeline",31 "v8.execute",32 "disabled-by-default-devtools.timeline",33 "disabled-by-default-devtools.timeline.frame",34 "toplevel",35 "blink.console",36 "blink.user_timing",37 "latencyInfo",38 "disabled-by-default-devtools.timeline.stack",39 "disabled-by-default-v8.cpu_profiler"40 };41 internal Tracing(CDPSession client)42 {43 _client = client;44 }45 /// <summary>46 /// Starts tracing.47 /// </summary>48 /// <returns>Start task</returns>49 /// <param name="options">Tracing options</param>50 public async Task StartAsync(TracingOptions options)51 {52 if (_recording)53 {54 throw new InvalidOperationException("Cannot start recording trace while already recording trace.");55 }5657 if (string.IsNullOrEmpty(options.Path))58 {59 throw new ArgumentException("Must specify a path to write trace file to.");60 }616263 var categories = options.Categories ?? _defaultCategories;6465 if (options.Screenshots)66 {67 categories.Add("disabled-by-default-devtools.screenshot");68 }6970 _path = options.Path;71 _recording = true;7273 await _client.SendAsync("Tracing.start", new74 {75 transferMode = "ReturnAsStream",76 categories = string.Join(", ", categories)77 });78 }7980 /// <summary>81 /// Stops tracing82 /// </summary>83 /// <returns>Stop task</returns>84 public async Task StopAsync()85 {86 var taskWrapper = new TaskCompletionSource<bool>();8788 async void EventHandler(object sender, TracingCompleteEventArgs e)89 {90 await ReadStream(e.Stream, _path);91 _client.TracingComplete -= EventHandler;92 taskWrapper.SetResult(true);93 }9495 _client.TracingComplete += EventHandler;9697 await _client.SendAsync("Tracing.end");9899 _recording = false;100101 await taskWrapper.Task;102 }103 private async Task ReadStream(string stream, string path)104 {105 using (var fs = new StreamWriter(path))106 {107 bool eof = false;108109 while (!eof)110 {111 var response = await _client.SendAsync<IOReadResponse>("IO.read", new...
WontImplementTests.cs
Source:WontImplementTests.cs
...21 [PuppeteerTest("navigation.spec.ts", "should not leak listeners during navigation of 11 pages")]22 [PuppeteerTest("navigation.spec.ts", "should throw if networkidle is passed as an option")]23 [PuppeteerTest("launcher.spec.ts", "Puppeteer.launch", "should report the correct product")] //We don't use the product in this way24 [PuppeteerTest("launcher.spec.ts", "Puppeteer.launch", "falls back to launching chrome if there is an unknown product but logs a warning")]25 [PuppeteerTest("tracing.spec.ts", "Tracing", "should return null in case of Buffer error")]26 [PuppeteerTest("tracing.spec.ts", "Tracing", "should properly fail if readProtocolStream errors out")]27 [PuppeteerTest("fixtures.spec.ts", "Fixtures", "dumpio option should work with pipe option")]28 [PuppeteerTest("EventEmitter.spec.ts", "once", "only calls the listener once and then removes it")]29 [PuppeteerTest("EventEmitter.spec.ts", "once", "supports chaining")]30 [PuppeteerTest("EventEmitter.spec.ts", "emit", "calls all the listeners for an event")]31 [PuppeteerTest("EventEmitter.spec.ts", "emit", "passes data through to the listener")]32 [PuppeteerTest("EventEmitter.spec.ts", "emit", "returns true if the event has listeners")]33 [PuppeteerTest("EventEmitter.spec.ts", "emit", "returns false if the event has listeners")]34 [PuppeteerTest("EventEmitter.spec.ts", "listenerCount", "returns the number of listeners for the given event")]35 [PuppeteerTest("EventEmitter.spec.ts", "removeAllListeners", "removes every listener from all events by default")]36 [PuppeteerTest("EventEmitter.spec.ts", "removeAllListeners", "returns the emitter for chaining")]37 [PuppeteerTest("EventEmitter.spec.ts", "removeAllListeners", "can filter to remove only listeners for a given event name")]38 [PuppeteerTest("emulation.spec.ts", "Page.emulateMediaType", "should throw in case of bad argument")]39 [PuppeteerTest("emulation.spec.ts", "Page.emulateMediaFeatures", "should throw in case of bad argument")]40 [PuppeteerTest("emulation.spec.ts", "Page.emulateVisionDeficiency", "should throw for invalid vision deficiencies")]...
TracingOptions.cs
Source:TracingOptions.cs
1using System.Collections.Generic;2namespace PuppeteerSharp3{4 /// <summary>5 /// Tracing options used on <see cref="Tracing.StartAsync(TracingOptions)"/>.6 /// </summary>7 public class TracingOptions8 {9 /// <summary>10 /// Gets or sets a value indicating whether Tracing should captures screenshots in the trace11 /// </summary>12 /// <value>Screenshots option</value>13 public bool Screenshots { get; set; }14 /// <summary>15 /// A path to write the trace file to16 /// </summary>17 /// <value>The path.</value>18 public string Path { get; set; }19 /// <summary>20 /// Specify custom categories to use instead of default.21 /// </summary>22 /// <value>The categories.</value>23 public List<string> Categories { get; set; }24 }...
TracingCompleteEventArgs.cs
Source:TracingCompleteEventArgs.cs
2using System.IO;3namespace PuppeteerSharp4{5 /// <summary>6 /// <see cref="CDPSession.TracingComplete"/> arguments.7 /// </summary>8 public class TracingCompleteEventArgs : EventArgs9 {10 /// <summary>11 /// Gets or sets the stream.12 /// </summary>13 /// <value>The stream.</value>14 public string Stream { get; internal set; }15 }...
TracingStartRequest.cs
Source:TracingStartRequest.cs
1namespace PuppeteerSharp.Messaging2{3 internal class TracingStartRequest4 {5 public string Categories { get; set; }6 public string TransferMode { get; set; }7 }8}...
TracingCompleteResponse.cs
Source:TracingCompleteResponse.cs
1namespace PuppeteerSharp.Messaging2{3 internal class TracingCompleteResponse4 {5 public string Stream { get; set; }6 }7}...
Tracing
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 MainAsync().GetAwaiter().GetResult();9 }10 static async Task MainAsync()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions13 {14 Args = new string[] { "--no-sandbox" }15 });16 var page = await browser.NewPageAsync();17 page.Console += (sender, e) => Console.WriteLine(e.Message.Text);18 await page.ScreenshotAsync("google.png");19 await browser.CloseAsync();20 }21 }22}23using System;24using System.Threading.Tasks;25using PuppeteerSharp;26{27 {28 static void Main(string[] args)29 {30 MainAsync().GetAwaiter().GetResult();31 }32 static async Task MainAsync()33 {34 var browser = await Puppeteer.LaunchAsync(new LaunchOptions35 {36 Args = new string[] { "--no-sandbox" }37 });38 var page = await browser.NewPageAsync();39 await page.ScreenshotAsync("google.png");40 await page.Tracing.StartAsync(new TracingOptions41 {42 });43 await page.ScreenshotAsync("bing.png");44 await page.Tracing.StopAsync();45 await browser.CloseAsync();46 }47 }48}49using System;50using System.Threading.Tasks;51using PuppeteerSharp;52{53 {54 static void Main(string[] args)55 {56 MainAsync().GetAwaiter().GetResult();57 }58 static async Task MainAsync()59 {60 var browser = await Puppeteer.LaunchAsync(new LaunchOptions61 {62 Args = new string[] { "--no-sandbox" }63 });64 var page = await browser.NewPageAsync();
Tracing
Using AI Code Generation
1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 {9 Args = new string[] { "--enable-automation" },10 };11 using (var browser = await Puppeteer.LaunchAsync(options))12 {13 var page = await browser.NewPageAsync();14 await page.ScreenshotAsync("google.png");15 }16 }17 }18}19using PuppeteerSharp;20using System;21using System.Threading.Tasks;22{23 {24 static async Task Main(string[] args)25 {26 {27 Args = new string[] { "--enable-automation" },28 };29 using (var browser = await Puppeteer.LaunchAsync(options))30 {31 var page = await browser.NewPageAsync();32 await page.SetViewportAsync(new ViewPortOptions33 {34 });35 await page.ScreenshotAsync("google.png");36 }37 }38 }39}40using PuppeteerSharp;41using System;42using System.Threading.Tasks;43{44 {45 static async Task Main(string[] args)46 {47 {48 Args = new string[] { "--enable-automation" },49 };50 using (var browser = await Puppeteer.LaunchAsync(options))51 {52 var page = await browser.NewPageAsync();53 await page.SetViewportAsync(new ViewPortOptions54 {55 });56 await page.ScreenshotAsync("google.png");57 await page.SetViewportAsync(new ViewPortOptions58 {
Tracing
Using AI Code Generation
1using PuppeteerSharp;2using System;3using System.IO;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 var options = new LaunchOptions { Headless = true, SlowMo = 0 };10 options.Args = new[] { "--disable-web-security", "--disable-features=IsolateOrigins,site-per-process", "--no-sandbox" };11 options.DefaultViewport = null;12 options.IgnoreHTTPSErrors = true;13 options.IgnoreDefaultArgs = new[] { "--enable-automation" };14 options.DumpIO = true;15 options.Env = new[] { "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=1" };16 options.ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";17 options.HandleSIGINT = false;18 options.HandleSIGTERM = false;19 options.HandleSIGHUP = false;20 options.Timeout = 30000;21 options.UserDataDir = @"C:\Users\Public\Documents\PuppeteerSharp";22 options.Devtools = false;23 options.SlowMo = 0;24 options.Args = new[] { "--disable-web-security", "--disable-features=IsolateOrigins,site-per-process", "--no-sandbox" };25 var browser = await Puppeteer.LaunchAsync(options);26 var page = await browser.NewPageAsync();27 page.SetRequestInterceptionAsync(true);28 page.Request += async (sender, e) =>29 {30 await e.Request.ContinueAsync();31 };32 page.Response += async (sender, e) =>33 {34 Console.WriteLine($"Response: {e.Response.Url}");35 };36 await page.WaitForTimeoutAsync(3000);37 await page.CloseAsync();38 await browser.CloseAsync();39 }40 }41}
Tracing
Using AI Code Generation
1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 Args = new string[] { "--start-maximized" },12 });13 var page = await browser.NewPageAsync();14 await page.WaitForSelectorAsync("input");15 await page.TypeAsync("input", "Hello World");16 await page.ClickAsync("input");17 var title = await page.GetTitleAsync();18 Console.WriteLine(title);19 await page.CloseAsync();20 await browser.CloseAsync();21 }22 }23}24using PuppeteerSharp;25using System;26using System.Threading.Tasks;27{28 {29 static async Task Main(string[] args)30 {31 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);32 var browser = await Puppeteer.LaunchAsync(new LaunchOptions33 {34 Args = new string[] { "--start-maximized" },35 });36 var page = await browser.NewPageAsync();37 await page.WaitForSelectorAsync("input");38 await page.TypeAsync("input", "Hello World");39 await page.ClickAsync("input");40 var title = await page.GetTitleAsync();41 Console.WriteLine(title);42 await page.CloseAsync();43 await browser.CloseAsync();44 }45 }46}47using PuppeteerSharp;48using System;49using System.Threading.Tasks;50{51 {52 static async Task Main(string[] args)53 {54 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);55 var browser = await Puppeteer.LaunchAsync(new LaunchOptions56 {
Tracing
Using AI Code Generation
1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4using System.IO;5{6 {7 static async Task Main(string[] args)8 {9 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });11 var page = await browser.NewPageAsync();12 var client = await page.Target.CreateCDPSessionAsync();13 await client.SendAsync("Tracing.start", new { categories = new[] { "-*", "devtools.timeline" } });14 var trace = await client.SendAsync("Tracing.end");15 await browser.CloseAsync();16 File.WriteAllText("trace.json", trace.ToString());17 Console.WriteLine("Trace file saved to trace.json");18 }19 }20}
Tracing
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 Console.WriteLine("Press any key to close the application");10 Console.ReadKey();11 }12 static async Task MainAsync()13 {14 {15 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",16 Args = new string[] { "--start-maximized" },17 };18 using (var browser = await Puppeteer.LaunchAsync(options))19 using (var page = await browser.NewPageAsync())20 {21 await page.TypeAsync("input[name='q']", "puppeteer");22 await page.ClickAsync("input[name='btnK']");23 await page.WaitForNavigationAsync();24 await page.ScreenshotAsync("example.png");25 }26 }27 }28}29using PuppeteerSharp;30using System;31using System.Threading.Tasks;32{33 {34 static void Main(string[] args)35 {36 MainAsync().Wait();37 Console.WriteLine("Press any key to close the application");38 Console.ReadKey();39 }40 static async Task MainAsync()41 {42 {43 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",44 Args = new string[] { "--start-maximized" },45 };46 using (var browser = await Puppeteer.LaunchAsync(options))47 using (var page = await browser.NewPageAsync())48 {49 await page.TypeAsync("input[name='q']", "puppeteer");50 await page.ClickAsync("input[name='btnK']");51 await page.WaitForNavigationAsync();52 await page.ScreenshotAsync("example.png");53 }54 }55 }56}
Tracing
Using AI Code Generation
1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static async Task Main(string[] args)8 {9 {10 Args = new string[] { "--no-sandbox" }11 };12 using (var browser = await Puppeteer.LaunchAsync(options))13 {14 using (var page = await browser.NewPageAsync())15 {16 var trace = await page.Tracing.StartAsync(new TracingOptions { Path = "trace.json" });17 await trace.StopAsync();18 }19 }20 }21 }22}23var trace = await page.Tracing.StartAsync(new TracingOptions { Path = "trace.json" });24using System;25using System.IO;26using System.Threading.Tasks;27using PuppeteerSharp;28{29 {30 static async Task Main(string[] args)31 {32 {33 Args = new string[] { "--no-sandbox" }34 };35 using (var browser = await Puppeteer.LaunchAsync(options))36 {37 using (var page = await browser.NewPageAsync())38 {39 var trace = await page.Tracing.StartAsync(new TracingOptions { Path = "trace.json" });40 await page.GoToAsync("https
Tracing
Using AI Code Generation
1using PuppeteerSharp;2using System.Threading.Tasks;3{4 {5 static async Task Main(string[] args)6 {7 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions8 {9 Args = new[] { "--no-sandbox" },10 }))11 {12 var page = await browser.NewPageAsync();13 await page.Tracing.StartAsync(new TracingOptions14 {15 });16 await page.WaitForTimeoutAsync(10000);17 await page.Tracing.StopAsync();18 }19 }20 }21}22{23 "metadata": {24 "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/77.0.3825.0 Safari/537.36",25 },26 {
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