How to use TracingOptions class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.TracingOptions

Program.cs

Source:Program.cs Github

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...90 var browser = await Puppeteer.LaunchAsync(options).ConfigureAwait(false);91 92 var page = await browser.NewPageAsync().ConfigureAwait(false);93 94 //await page.Tracing.StartAsync(new TracingOptions { Path = "" }).ConfigureAwait(false);95 //await page.Tracing.StopAsync().ConfigureAwait(false);96 //await page.CloseAsync().ConfigureAwait(false);97 var tryLimit = 30;98 var currentTry = 0;99 while (currentTry < tryLimit)100 {101 while (links.TryDequeue(out var nextUrl))102 {103 currentTry = 0;104 try105 {106 logger.LogInformation("{threadId} Getting url {nextUrl}", threadId, nextUrl);107 Response? pageNav = null;108 var tries = 0;...

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Scrape.cs

Source:Scrape.cs Github

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...49 {50 Width = width,51 Height = height52 });53 await page.Tracing.StartAsync(new TracingOptions54 {55 Categories = new List<string> { "devtools.timeline" }56 });57 var client = await page.Target.CreateCDPSessionAsync();58 await client.SendAsync("Network.clearBrowserCache");59 await page.GoToAsync(url, timeout: 0);60 string rawTrace = await page.Tracing.StopAsync();61 string content = await page.GetContentAsync();62 //Image63 var imageElements = await page.QuerySelectorAllAsync("img");64 if (imageElements != null)65 {66 imageCount = imageElements.Count();67 imageProperties = await new ImageHelper().GetImageData(imageElements);...

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TracingTests.cs

Source:TracingTests.cs Github

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...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}...

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Tracing.cs

Source:Tracing.cs Github

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...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;64 ...

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TracingOptions.cs

Source:TracingOptions.cs Github

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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>...

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TracingOptions

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 });11 var page = await browser.NewPageAsync();12 await page.Tracing.StartAsync(new TracingOptions13 {14 Categories = new[] { "devtools.timeline" }15 });16 await page.Tracing.StopAsync();17 await browser.CloseAsync();18 }19 }20}21using System;22using System.Threading.Tasks;23using PuppeteerSharp;24{25 {26 static async Task Main(string[] args)27 {28 var browser = await Puppeteer.LaunchAsync(new LaunchOptions29 {30 });31 var page = await browser.NewPageAsync();32 await page.Tracing.StartAsync(new TracingOptions33 {34 Categories = new[] { "devtools.timeline" },35 });36 await page.Tracing.StopAsync();37 await browser.CloseAsync();38 }39 }40}

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TracingOptions

Using AI Code Generation

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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 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 }))12 {13 var page = await browser.NewPageAsync();14 await page.SetRequestInterceptionAsync(true);15 page.Request += async (sender, e) =>16 {17 if (e.Request.ResourceType == ResourceType.Image)18 {19 await e.Request.AbortAsync();20 }21 {22 await e.Request.ContinueAsync();23 }24 };25 await page.ScreenshotAsync("google.png");26 }27 }28 }29}30using PuppeteerSharp;31using System;32using System.Threading.Tasks;33{34 {35 static async Task Main(string[] args)36 {37 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);38 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions39 {40 }))41 {42 var page = await browser.NewPageAsync();43 await page.SetRequestInterceptionAsync(true);44 page.RequestFailed += async (sender, e) =>45 {46 if (e.Request.ResourceType == ResourceType.Image)47 {48 if (e.Request.Url.Contains(".jpg"))49 {50 await e.Request.AbortAsync();51 }52 }53 };54 await page.ScreenshotAsync("google.png");55 }56 }

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TracingOptions

Using AI Code Generation

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1{2 Args = new string[] { "--no-sandbox" }3};4var browser = await Puppeteer.LaunchAsync(options);5var page = await browser.NewPageAsync();6var client = page.GetClient();7await client.SendAsync("Tracing.start", new { categories = new[] { "-*", "devtools.timeline" } });8{9 Args = new string[] { "--no-sandbox" }10};11var browser = await Puppeteer.LaunchAsync(options);12var page = await browser.NewPageAsync();13await page.Tracing.StartAsync(new TracingOptions { Categories = new[] { "-*", "devtools.timeline" } });14using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true, Args = new string[] { "--no-sandbox" } }))15using (var page = await browser.NewPageAsync())16{17 await page.Tracing.StartAsync(new TracingOptions { Categories = new[] { "-*", "devtools.timeline" } });18}19var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true, Args = new string[] { "--no-sandbox" } });20var page = await browser.NewPageAsync();21await page.Tracing.StartAsync(new TracingOptions { Categories = new[] { "-*", "devtools.timeline" } });22var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true, Args = new string[] { "--no-sandbox" } });23var page = await browser.NewPageAsync();24await page.Tracing.StartAsync(new TracingOptions { Categories = new[] { "-*", "devtools.timeline" } });

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TracingOptions

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions();9 options.Headless = false;10 options.Args = new string[] { "--disable-extensions" };11 options.Devtools = true;12 options.TracingCategories = new string[] { "devtools.timeline" };13 options.TracingRecordMode = RecordMode.RecordUntilFull;14 options.TracingBufferSize = 10000000;15 options.TracingScreenshot = true;16 options.TracingPath = "trace.json";17 var browser = await Puppeteer.LaunchAsync(options);18 var page = await browser.NewPageAsync();19 await page.ScreenshotAsync("screenshot.png");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 var options = new LaunchOptions();32 options.Headless = false;33 options.Args = new string[] { "--disable-extensions" };34 options.Devtools = true;35 options.TracingCategories = new string[] { "devtools.timeline" };36 options.TracingRecordMode = RecordMode.RecordUntilFull;37 options.TracingBufferSize = 10000000;38 options.TracingScreenshot = true;39 options.TracingPath = "trace.json";40 var browser = await Puppeteer.LaunchAsync(options);41 var page = await browser.NewPageAsync();42 await page.ScreenshotAsync("screenshot.png");43 await browser.CloseAsync();44 }45 }46}

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TracingOptions

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7using PuppeteerSharp.Messaging;8using PuppeteerSharp.Helpers;9using PuppeteerSharp.Input;10using PuppeteerSharp.Media;11using PuppeteerSharp.Contrib.Extensions;12using PuppeteerSharp.Contrib.PageObjects;13using PuppeteerSharp.Contrib.Poco;14using PuppeteerSharp.Contrib.RequestInterception;15{16 {17 static async Task Main(string[] args)18 {19 {20 Categories = new[] { "devtools.timeline" },21 };22 var browser = await Puppeteer.LaunchAsync(new LaunchOptions23 {24 Args = new[] { "--start-maximized" },25 });26 var page = await browser.NewPageAsync();27 await page.Tracing.StartAsync(options);28 await page.WaitForTimeoutAsync(5000);29 await page.Tracing.StopAsync();30 await browser.CloseAsync();31 }32 }33}34using System;35using System.Collections.Generic;36using System.Linq;37using System.Text;38using System.Threading.Tasks;39using PuppeteerSharp;40using PuppeteerSharp.Messaging;41using PuppeteerSharp.Helpers;42using PuppeteerSharp.Input;43using PuppeteerSharp.Media;44using PuppeteerSharp.Contrib.Extensions;45using PuppeteerSharp.Contrib.PageObjects;46using PuppeteerSharp.Contrib.Poco;47using PuppeteerSharp.Contrib.RequestInterception;48{49 {50 static async Task Main(string[] args)51 {52 var browser = await Puppeteer.LaunchAsync(new LaunchOptions53 {54 Args = new[] { "--start-maximized" },55 });56 var page = await browser.NewPageAsync();57 await page.Tracing.StartAsync("trace.json");58 await page.WaitForTimeoutAsync(5000);

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