How to use EmulateNetworkConditionsAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.EmulateNetworkConditionsAsync

Page.cs

Source:Page.cs Github

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...584 /// <returns>Result task</returns>585 /// <remarks>586 /// **NOTE** This does not affect WebSockets and WebRTC PeerConnections (see https://crbug.com/563644)587 /// </remarks>588 public Task EmulateNetworkConditionsAsync(NetworkConditions networkConditions) => FrameManager.NetworkManager.EmulateNetworkConditionsAsync(networkConditions);589 /// <summary>590 /// Returns the page's cookies591 /// </summary>592 /// <param name="urls">Url's to return cookies for</param>593 /// <returns>Array of cookies</returns>594 /// <remarks>595 /// If no URLs are specified, this method returns cookies for the current page URL.596 /// If URLs are specified, only cookies for those URLs are returned.597 /// </remarks>598 public async Task<CookieParam[]> GetCookiesAsync(params string[] urls)599 => (await Client.SendAsync<NetworkGetCookiesResponse>("Network.getCookies", new NetworkGetCookiesRequest600 {601 Urls = urls.Length > 0 ? urls : new string[] { Url }602 }).ConfigureAwait(false)).Cookies;...

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Puppeteer.cs

Source:Puppeteer.cs Github

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...39 /// </code>40 /// </example>41 public static IReadOnlyDictionary<DeviceDescriptorName, DeviceDescriptor> Devices => DeviceDescriptors.ToReadOnly();42 /// <summary>43 /// Returns a list of network conditions to be used with <seealso cref="Page.EmulateNetworkConditionsAsync(NetworkConditions)"/>.44 /// Actual list of conditions can be found in <seealso cref="PredefinedNetworkConditions.Conditions"/>.45 /// </summary>46 /// <example>47 /// <code>48 ///<![CDATA[49 /// var slow3G = Puppeteer.NetworkConditions["Slow 3G"];50 /// using(var page = await browser.NewPageAsync())51 /// {52 /// await page.EmulateNetworkConditionsAsync(slow3G);53 /// await page.goto('https://www.google.com');54 /// }55 /// ]]>56 /// </code>57 /// </example>58 public static IReadOnlyDictionary<string, NetworkConditions> NetworkConditions => PredefinedNetworkConditions.ToReadOnly();59 /// <summary>60 /// Returns an array of argument based on the options provided and the platform where the library is running61 /// </summary>62 /// <returns>Chromium arguments.</returns>63 /// <param name="options">Options.</param>64 public static string[] GetDefaultArgs(LaunchOptions options = null)65 => (options?.Product ?? Product.Chrome) == Product.Chrome66 ? ChromiumLauncher.GetDefaultArgs(options ?? new LaunchOptions())...

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PageEmulateNetworkConditionsTests.cs

Source:PageEmulateNetworkConditionsTests.cs Github

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...17 {18 var slow3G = Puppeteer.NetworkConditions[NetworkConditions.Slow3G];19 var fast3G = Puppeteer.NetworkConditions[NetworkConditions.Fast3G];20 Assert.Equal("4g", await Page.EvaluateExpressionAsync<string>("window.navigator.connection.effectiveType").ConfigureAwait(false));21 await Page.EmulateNetworkConditionsAsync(fast3G);22 Assert.Equal("3g", await Page.EvaluateExpressionAsync<string>("window.navigator.connection.effectiveType").ConfigureAwait(false));23 await Page.EmulateNetworkConditionsAsync(slow3G);24 Assert.Equal("2g", await Page.EvaluateExpressionAsync<string>("window.navigator.connection.effectiveType").ConfigureAwait(false));25 await Page.EmulateNetworkConditionsAsync(null);26 }27 }28}...

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NetworkConditions.cs

Source:NetworkConditions.cs Github

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1namespace PuppeteerSharp2{3 /// <summary>4 /// Options to be used in <see cref="Page.EmulateNetworkConditionsAsync(NetworkConditions)"/>5 /// </summary>6 public class NetworkConditions7 {8 /// <summary>9 /// Key to be used with <see cref="Puppeteer.NetworkConditions()"/>10 /// </summary>11 public const string Slow3G = "Slow 3G";12 /// <summary>13 /// Key to be used with <see cref="Puppeteer.NetworkConditions()"/>14 /// </summary>15 public const string Fast3G = "Fast 3G";16 /// <summary>17 /// Download speed (bytes/s), `-1` to disable18 /// </summary>...

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EmulateNetworkConditionsAsync

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 LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 await page.EmulateNetworkConditionsAsync(new NetworkConditions11 {12 });13 Console.ReadKey();14 }15 }16}

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EmulateNetworkConditionsAsync

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 LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 await page.EmulateNetworkConditionsAsync(new NetworkConditions11 {12 });13 await page.EmulateNetworkConditionsAsync(new NetworkConditions14 {15 });16 await page.EmulateNetworkConditionsAsync(new NetworkConditions17 {18 });19 await page.EmulateNetworkConditionsAsync(new NetworkConditions20 {21 });22 await page.EmulateNetworkConditionsAsync(new NetworkConditions23 {24 });25 await page.EmulateNetworkConditionsAsync(new NetworkConditions26 {

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EmulateNetworkConditionsAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 MainAsync().Wait();9 }10 static async Task MainAsync()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions13 {14 });15 var page = await browser.NewPageAsync();16 await page.EmulateNetworkConditionsAsync(new NetworkConditions17 {18 });19 await page.SetCacheEnabledAsync(false);20 await page.ScreenshotAsync("1.png");21 await browser.CloseAsync();22 }23 }24}

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EmulateNetworkConditionsAsync

Using AI Code Generation

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static void Main(string[] args)8 {9 Console.WriteLine("Hello World!");10 MainAsync().Wait();11 }12 static async Task MainAsync()13 {14 var options = new LaunchOptions { Headless = true };15 using (var browser = await Puppeteer.LaunchAsync(options))16 {17 using (var page = await browser.NewPageAsync())18 {19 var client = page.Client;20 var network = client.Network;21 await network.EnableAsync();22 await network.SetCacheDisabledAsync(true);23 await network.SetUserAgentOverrideAsync("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36");24 await network.EmulateNetworkConditionsAsync(true, 100, 1000, 100, 2000);25 await page.ScreenshotAsync("google.png");26 }27 }28 }29 }30}31using System;32using System.IO;33using System.Threading.Tasks;34using PuppeteerSharp;35{36 {37 static void Main(string[] args)38 {39 Console.WriteLine("Hello World!");40 MainAsync().Wait();41 }42 static async Task MainAsync()43 {44 var options = new LaunchOptions { Headless = true };45 using (var browser = await Puppeteer.LaunchAsync(options))46 {47 using (var page = await browser.NewPageAsync())48 {49 var client = page.Client;50 var network = client.Network;51 await network.EnableAsync();52 await network.SetCacheDisabledAsync(true);53 await network.SetUserAgentOverrideAsync("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36");54 await page.NetworkManager.EmulateNetworkConditionsAsync(true, 100, 1000, 100, 2000);

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EmulateNetworkConditionsAsync

Using AI Code Generation

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1using PuppeteerSharp;2using System.Threading.Tasks;3using System;4{5 {6 static void Main(string[] args)7 {8 MainAsync().Wait();9 }10 static async Task MainAsync()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });13 var page = await browser.NewPageAsync();14 await page.EmulateNetworkConditionsAsync(new NetworkConditions15 {16 });17 await page.WaitForNavigationAsync();18 Console.WriteLine("Network conditions set");19 await page.CloseAsync();20 await browser.CloseAsync();21 }22 }23}

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EmulateNetworkConditionsAsync

Using AI Code Generation

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1{2 Args = new[] { "--no-sandbox" }3};4var browser = await Puppeteer.LaunchAsync(options);5var page = await browser.NewPageAsync();6await page.SetViewportAsync(new ViewPortOptions7{8});9await page.EmulateNetworkConditionsAsync(new NetworkConditions10{11});12await page.ScreenshotAsync("google.png");13await browser.CloseAsync();14{15 Args = new[] { "--no-sandbox" }16};17var browser = await Puppeteer.LaunchAsync(options);18var page = await browser.NewPageAsync();19await page.SetViewportAsync(new ViewPortOptions20{21});22await frame.EmulateNetworkConditionsAsync(new NetworkConditions23{24});25await page.ScreenshotAsync("google.png");26await browser.CloseAsync();27{28 Args = new[] { "--no-sandbox" }29};30var browser = await Puppeteer.LaunchAsync(options);31var page = await browser.NewPageAsync();32await page.SetViewportAsync(new ViewPortOptions33{34});35await page.EmulateNetworkConditionsAsync(new NetworkConditions36{37}, false);38await page.ScreenshotAsync("google.png");

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EmulateNetworkConditionsAsync

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.EmulateNetworkConditionsAsync(new NetworkConditions13 {14 });15 Console.WriteLine("Press any key to close the browser");16 Console.ReadKey();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.EmulateNetworkConditionsAsync(new NetworkConditions33 {34 });35 Console.WriteLine("Press any key to close the browser");36 Console.ReadKey();

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EmulateNetworkConditionsAsync

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1using System.Threading.Tasks;2{3 {4 public static async Task Run()5 {6 var browser = await Puppeteer.LaunchAsync(new LaunchOptions7 {8 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",9 });10 var page = await browser.NewPageAsync();11 await page.EmulateNetworkConditionsAsync(new NetworkConditions12 {13 });14 await browser.CloseAsync();15 }16 }17}18using System.Threading.Tasks;19{20 {21 public static async Task Run()22 {23 var browser = await Puppeteer.LaunchAsync(new LaunchOptions24 {25 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",26 });27 var page = await browser.NewPageAsync();28 await page.EmulateNetworkConditionsAsync(new NetworkConditions29 {30 });31 await browser.CloseAsync();32 }33 }34}

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