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How to use Tracing method of Microsoft.Playwright.Core.Tracing class
Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Tracing.Tracing
BrowserContext.cs
Source:BrowserContext.cs 
...40 {41 private readonly TaskCompletionSource<bool> _closeTcs = new();42 private readonly Dictionary<string, Delegate> _bindings = new();43 private readonly BrowserContextInitializer _initializer;44 private readonly ITracing _tracing;45 private List<RouteSetting> _routes = new();46 private float? _defaultNavigationTimeout;47 private float? _defaultTimeout;48 internal BrowserContext(IChannelOwner parent, string guid, BrowserContextInitializer initializer) : base(parent, guid)49 {50 Channel = new(guid, parent.Connection, this);51 Channel.Close += (_, _) => OnClose();52 Channel.Page += Channel_OnPage;53 Channel.BindingCall += Channel_BindingCall;54 Channel.Route += Channel_Route;55 Channel.RequestFailed += (_, e) =>56 {57 e.Request.Failure = e.FailureText;58 e.Request.Timing.ResponseEnd = e.ResponseEndTiming;59 RequestFailed?.Invoke(this, e.Request);60 e.Page?.FireRequestFailed(e.Request);61 e.Response?.ReportFinished(e.FailureText);62 };63 Channel.Request += (_, e) =>64 {65 Request?.Invoke(this, e.Request);66 e.Page?.FireRequest(e.Request);67 };68 Channel.RequestFinished += (_, e) =>69 {70 e.Request.Timing.ResponseEnd = e.ResponseEndTiming;71 e.Request.Sizes = e.RequestSizes;72 RequestFinished?.Invoke(this, e.Request);73 e.Page?.FireRequestFinished(e.Request);74 e.Response?.ReportFinished();75 };76 Channel.Response += (_, e) =>77 {78 Response?.Invoke(this, e.Response);79 e.Page?.FireResponse(e.Response);80 };81 _tracing = initializer.Tracing;82 _initializer = initializer;83 Browser = parent as IBrowser;84 }85 public event EventHandler<IBrowserContext> Close;86 public event EventHandler<IPage> Page;87 public event EventHandler<IRequest> Request;88 public event EventHandler<IRequest> RequestFailed;89 public event EventHandler<IRequest> RequestFinished;90 public event EventHandler<IResponse> Response;91 public ITracing Tracing92 {93 get => _tracing;94 set => throw new NotSupportedException();95 }96 ChannelBase IChannelOwner.Channel => Channel;97 IChannel<BrowserContext> IChannelOwner<BrowserContext>.Channel => Channel;98 public IBrowser Browser { get; }99 public IReadOnlyList<IPage> Pages => PagesList;100 internal float DefaultNavigationTimeout101 {102 get => _defaultNavigationTimeout ?? PlaywrightImpl.DefaultTimeout;103 set104 {105 _defaultNavigationTimeout = value;...
BrowserType.cs
Source:BrowserType.cs
...124 RecordVideoSize = options.RecordVideoSize,125 RecordHarPath = options.RecordHarPath,126 RecordHarOmitContent = options.RecordHarOmitContent,127 };128 ((Core.Tracing)context.Tracing).LocalUtils = Playwright.Utils;129 return context;130 }131 public async Task<IBrowser> ConnectAsync(string wsEndpoint, BrowserTypeConnectOptions options = null)132 {133 options ??= new BrowserTypeConnectOptions();134 var headers = new List<KeyValuePair<string, string>>(options.Headers ?? new Dictionary<string, string>())135 {136 new KeyValuePair<string, string>("x-playwright-browser", Name),137 }.ToDictionary(pair => pair.Key, pair => pair.Value);138 JsonPipe pipe = (await _channel.ConnectAsync(wsEndpoint: wsEndpoint, headers: headers, slowMo: options.SlowMo, timeout: options.Timeout).ConfigureAwait(false)).Object;139 void ClosePipe()140 {141 pipe.CloseAsync().IgnoreException();142 }...
BrowserChannel.cs
Source:BrowserChannel.cs
...141 "newContext",142 args);143 }144 internal Task CloseAsync() => Connection.SendMessageToServerAsync<BrowserContextChannel>(Guid, "close", null);145 internal Task StartTracingAsync(IPage page, bool screenshots, string path, IEnumerable<string> categories)146 {147 var args = new Dictionary<string, object>148 {149 ["screenshots"] = screenshots,150 ["path"] = path,151 ["page"] = page,152 ["categories"] = categories,153 };154 return Connection.SendMessageToServerAsync(Guid, "crStartTracing", args);155 }156 internal async Task<string> StopTracingAsync()157 => (await Connection.SendMessageToServerAsync(Guid, "crStopTracing", null).ConfigureAwait(false))?.GetProperty("binary").ToString();158 }159}...
Tracing.cs
Source:Tracing.cs
...26using Microsoft.Playwright.Transport.Channels;27using Microsoft.Playwright.Transport.Protocol;28namespace Microsoft.Playwright.Core29{30 internal class Tracing : ChannelOwnerBase, IChannelOwner<Tracing>, ITracing31 {32 private readonly TracingChannel _channel;33 public Tracing(IChannelOwner parent, string guid) : base(parent, guid)34 {35 _channel = new(guid, parent.Connection, this);36 }37 internal LocalUtils LocalUtils { get; set; }38 ChannelBase IChannelOwner.Channel => _channel;39 IChannel<Tracing> IChannelOwner<Tracing>.Channel => _channel;40 public async Task StartAsync(TracingStartOptions options = default)41 {42 await _channel.TracingStartAsync(43 name: options?.Name,44 title: options?.Title,45 screenshots: options?.Screenshots,46 snapshots: options?.Snapshots,47 sources: options?.Sources).ConfigureAwait(false);48 await _channel.StartChunkAsync(options?.Title).ConfigureAwait(false);49 }50 public Task StartChunkAsync() => StartChunkAsync();51 public Task StartChunkAsync(TracingStartChunkOptions options) => _channel.StartChunkAsync(title: options?.Title);52 public async Task StopChunkAsync(TracingStopChunkOptions options = null)53 {54 await DoStopChunkAsync(filePath: options.Path).ConfigureAwait(false);55 }56 public async Task StopAsync(TracingStopOptions options = default)57 {58 await StopChunkAsync(new() { Path = options?.Path }).ConfigureAwait(false);59 await _channel.TracingStopAsync().ConfigureAwait(false);60 }61 private async Task DoStopChunkAsync(string filePath)62 {63 bool isLocal = !_channel.Connection.IsRemote;64 var mode = "doNotSave";65 if (!string.IsNullOrEmpty(filePath))66 {67 if (isLocal)68 {69 mode = "compressTraceAndSources";70 }71 else72 {73 mode = "compressTrace";...
TracingChannel.cs
Source:TracingChannel.cs
...27using Microsoft.Playwright.Core;28using Microsoft.Playwright.Helpers;29namespace Microsoft.Playwright.Transport.Channels30{31 internal class TracingChannel : Channel<Tracing>32 {33 public TracingChannel(string guid, Connection connection, Tracing owner) : base(guid, connection, owner)34 {35 }36 internal Task TracingStartAsync(string name, string title, bool? screenshots, bool? snapshots, bool? sources)37 => Connection.SendMessageToServerAsync(38 Guid,39 "tracingStart",40 new Dictionary<string, object>41 {42 ["name"] = name,43 ["title"] = title,44 ["screenshots"] = screenshots,45 ["snapshots"] = snapshots,46 ["sources"] = sources,47 });48 internal Task TracingStopAsync()49 => Connection.SendMessageToServerAsync(50 Guid,51 "tracingStop");52 internal Task StartChunkAsync(string title = null)53 => Connection.SendMessageToServerAsync(Guid, "tracingStartChunk", new Dictionary<string, object>54 {55 ["title"] = title,56 });57 internal async Task<(Artifact Artifact, List<NameValueEntry> SourceEntries)> StopChunkAsync(string mode)58 {59 var result = await Connection.SendMessageToServerAsync(Guid, "tracingStopChunk", new Dictionary<string, object>60 {61 ["mode"] = mode,62 }).ConfigureAwait(false);...
BrowserContextInitializer.cs
Source:BrowserContextInitializer.cs
...27 internal class BrowserContextInitializer : EventTargetInitializer28 {29 public bool IsChromium { get; set; }30 public Core.APIRequestContext APIRequestContext { get; set; }31 public Core.Tracing Tracing { get; set; }32 }33}...
BasePageModel.cs
Source:BasePageModel.cs
...18 {19 BasePagePath = basePagePath;20 FileSaveBasePath = fileSaveBasePath;21 Context = await Browser.NewContextAsync();22 await Context.Tracing.StartAsync(new TracingStartOptions23 {24 Screenshots = true,25 Snapshots = true,26 Sources = true27 });28 Page = await Context.NewPageAsync();29 }30 public async ValueTask DisposeAsync()31 {32 await Context.Tracing.StopAsync(new TracingStopOptions33 {34 Path = $"{FileSaveBasePath}\\{TraceFileName}.zip"35 });36 await Context.DisposeAsync();37 }38 }39}...
APIRequestContextInitializer.cs
Source:APIRequestContextInitializer.cs
...25namespace Microsoft.Playwright.Transport.Protocol26{27 internal class APIRequestContextInitializer28 {29 public Core.Tracing Tracing { get; set; }30 }31}...
Tracing
Using AI Code Generation
1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright;5{6 {7 static async Task Main(string[] args)8 {9 using var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync();11 var page = await browser.NewPageAsync();12 await page.ScreenshotAsync("google.png");13 await using var fs = new FileStream("trace.json", FileMode.Create);14 await page.Tracing.StartAsync(new TracingStartOptions { Screenshots = true, Snapshots = true });15 await page.ScreenshotAsync("bing.png");16 await page.Tracing.StopAsync(fs);17 Console.WriteLine("Hello World!");18 }19 }20}21using System;22using System.IO;23using System.Threading.Tasks;24using Microsoft.Playwright;25{26 {27 static async Task Main(string[] args)28 {29 using var playwright = await Playwright.CreateAsync();30 await using var browser = await playwright.Chromium.LaunchAsync();31 var page = await browser.NewPageAsync();32 await page.ScreenshotAsync("google.png");33 await page.SetRequestInterceptionAsync(true);34 page.Request += (_, e) => e.Request.ContinueAsync();35 await page.ScreenshotAsync("bing.png");36 Console.WriteLine("Hello World!");37 }38 }39}40using System;41using System.IO;42using System.Threading.Tasks;43using Microsoft.Playwright;44{45 {46 static async Task Main(string[] args)47 {48 using var playwright = await Playwright.CreateAsync();49 await using var browser = await playwright.Chromium.LaunchAsync();50 var page = await browser.NewPageAsync();51 await page.ScreenshotAsync("google.png");52 await page.SetRequestInterceptionAsync(true);
Tracing
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9 {10 static async Task Main(string[] args)11 {12 using var playwright = await Playwright.CreateAsync();13 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });14 var page = await browser.NewPageAsync();15 var tracing = page.Context.Tracing;16 await tracing.StartAsync(new TracingStartOptions { Name = "trace" });17 await tracing.StopAsync(new TracingStopOptions { Path = "trace.json" });18 }19 }20}
Tracing
Using AI Code Generation
1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright;5using Microsoft.Playwright.Core;6{7 {8 static async Task Main(string[] args)9 {10 await using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions12 {13 });14 var page = await browser.NewPageAsync();15 var tracePath = Path.Combine(Directory.GetCurrentDirectory(), "trace.zip");16 await page.Tracing.StartAsync(new TracingStartOptions17 {18 });19 await page.Tracing.StopAsync(new TracingStopOptions20 {21 });22 Console.WriteLine($"Trace is saved at {tracePath}");23 }24 }25}26using System;27using System.IO;28using System.Threading.Tasks;29using Microsoft.Playwright;30using Microsoft.Playwright.Core;31{32 {33 static async Task Main(string[] args)34 {35 await using var playwright = await Playwright.CreateAsync();36 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions37 {38 });39 var page = await browser.NewPageAsync();40 var tracePath = Path.Combine(Directory.GetCurrentDirectory(), "trace.zip");41 await page.Tracing.StartAsync(new TracingStartOptions42 {43 });44 await page.Tracing.StopAsync(new TracingStopOptions45 {46 });47 Console.WriteLine($"Trace is saved at {tracePath}");48 }49 }50}51using System;52using System.IO;53using System.Threading.Tasks;54using Microsoft.Playwright;55using Microsoft.Playwright.Core;56{57 {58 static async Task Main(string[] args
Tracing
Using AI Code Generation
1using Microsoft.Playwright.Core;2var tracing = await browser.NewContextAsync().NewPageAsync().Tracing;3await tracing.StartAsync(new TracingStartOptions4{5});6await tracing.StopAsync(new TracingStopOptions7{8});
Tracing
Using AI Code Generation
1using Microsoft.Playwright.Core;2Tracing tracing = new Tracing();3tracing.StartAsync(new TracingStartOptions4{5});6using Microsoft.Playwright.Core;7Tracing tracing = new Tracing();8tracing.StopAsync();9using Microsoft.Playwright.Core;10Tracing tracing = new Tracing();11tracing.GetTracingPath();12using Microsoft.Playwright.Core;13Tracing tracing = new Tracing();14tracing.GetTracingPath();15using Microsoft.Playwright.Core;16Tracing tracing = new Tracing();17tracing.GetTracingPath();18using Microsoft.Playwright.Core;19Tracing tracing = new Tracing();20tracing.GetTracingPath();21using Microsoft.Playwright.Core;22Tracing tracing = new Tracing();
Tracing
Using AI Code Generation
1using Microsoft.Playwright.Core;2using System;3using System.Collections.Generic;4using System.Text;5{6 {7 public static void TracingMethod()8 {9 Tracing tracing = new Tracing();10 tracing.StartAsync();11 tracing.StopAsync();12 }13 }14}15using Microsoft.Playwright.Core;16using System;17using System.Collections.Generic;18using System.Text;19{20 {21 public static void WaitForEventMethod()22 {23 IPage page = new IPage();24 page.WaitForEventAsync("event");25 }26 }27}28using Microsoft.Playwright.Core;29using System;30using System.Collections.Generic;31using System.Text;32{33 {34 public static void WaitForLoadStateMethod()35 {36 IPage page = new IPage();37 page.WaitForLoadStateAsync("loadstate");38 }39 }40}41using Microsoft.Playwright.Core;42using System;43using System.Collections.Generic;44using System.Text;45{46 {47 public static void WaitForNavigationMethod()48 {49 IPage page = new IPage();50 page.WaitForNavigationAsync();51 }52 }53}54using Microsoft.Playwright.Core;55using System;56using System.Collections.Generic;57using System.Text;58{59 {60 public static void WaitForRequestMethod()61 {62 IPage page = new IPage();63 page.WaitForRequestAsync("url");64 }65 }66}
Tracing
Using AI Code Generation
1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright;5{6 {7 static async Task Main(string[] args)8 {9 await using var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var context = await browser.NewContextAsync();14 var page = await context.NewPageAsync();15 await context.Tracing.StartAsync(new TracingStartOptions16 {17 });18 var trace = await context.Tracing.StopAsync();19 File.WriteAllBytes("trace.zip", trace);20 await browser.CloseAsync();21 }22 }23}24using System;25using System.IO;26using System.Threading.Tasks;27using Microsoft.Playwright;28{29 {30 static async Task Main(string[] args)31 {32 await using var playwright = await Playwright.CreateAsync();33 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions34 {35 });36 var context = await browser.NewContextAsync();37 var page = await context.NewPageAsync();38 await context.Tracing.StartAsync(new TracingStartOptions39 {40 });41 var trace = await context.Tracing.StopAsync();42 File.WriteAllBytes("trace.zip", trace);43 await browser.CloseAsync();44 }45 }46}
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
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