How to use WaitForNetworkIdleOptions class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.WaitForNetworkIdleOptions

Page.cs

Source:Page.cs

...1544        /// await page.WaitForNetworkIdle(); // The Task resolves after fetch above finishes1545        /// ]]>1546        /// </code>1547        /// </example>1548        public async Task WaitForNetworkIdleAsync(WaitForNetworkIdleOptions options = null)1549        {1550            var timeout = options?.Timeout ?? DefaultTimeout;1551            var idleTime = options?.IdleTime ?? 500;1552            var networkIdleTcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);1553            var idleTimer = new Timer1554            {1555                Interval = idleTime1556            };1557            idleTimer.Elapsed += (sender, args) =>1558            {1559                networkIdleTcs.TrySetResult(true);1560            };1561            var networkManager = FrameManager.NetworkManager;1562            void Evaluate()...

WaitForNetworkIdleTests.cs

Source:WaitForNetworkIdleTests.cs

...42        public async Task ShouldRespectTimeout()43        {44            await Page.GoToAsync(TestConstants.EmptyPage);45            var exception = await Assert.ThrowsAnyAsync<TimeoutException>(async () =>46                await Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 1 }));47            Assert.Contains("Timeout of 1 ms exceeded", exception.Message);48        }49        // This should work on Firefox, this ignore should be temporal50        // PRs are welcome :)51        [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should respect idleTime")]52        [SkipBrowserFact(skipFirefox: true)] 53        public async Task ShouldRespectIdleTimeout()54        {55            var t1 = DateTime.Now;56            var t2 = DateTime.Now;57            await Page.GoToAsync(TestConstants.EmptyPage);58            var task = Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { IdleTime = 10 }).ContinueWith(x => t1 = DateTime.Now);59            await Task.WhenAll(60                task,61                Page.EvaluateFunctionAsync(@"() =>62                (async () => {63                    await Promise.all([64                    fetch('/digits/1.png'),65                    fetch('/digits/2.png'),66                    ]);67                    await new Promise((resolve) => setTimeout(resolve, 250));68                })()").ContinueWith(x => t2 = DateTime.Now)69            );70            Assert.True(t2 > t1);71        }72        [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should work with no timeout")]73        [PuppeteerFact]74        public async Task ShouldWorkWithNoTimeout()75        {76            await Page.GoToAsync(TestConstants.EmptyPage);77            await Task.WhenAll(78                Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 0 }),79                Page.EvaluateFunctionAsync(@"() => setTimeout(() => {80                        fetch('/digits/1.png');81                        fetch('/digits/2.png');82                        fetch('/digits/3.png');83                    }, 50)")84            );85        }86    }87}...

WaitForNetworkIdleOptions.cs

Source:WaitForNetworkIdleOptions.cs

...3    /// <summary>4    /// Optional waiting parameters.5    /// </summary>6    /// <seealso cref="Page.WaitForNetworkIdleAsync"/>7    public class WaitForNetworkIdleOptions8    {9        /// <summary>10        /// Maximum time to wait for in milliseconds. Defaults to 30000 (30 seconds). Pass 0 to disable timeout.11        /// The default value can be changed by setting the <see cref="Page.DefaultTimeout"/> property.12        /// </summary>13        public int? Timeout { get; set; }14        /// <summary>15        /// How long to wait for no network requests in milliseconds, defaults to 500 milliseconds.16        /// </summary>17        public int? IdleTime { get; set; }18    }19}

WaitForNetworkIdleOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync(args).GetAwaiter().GetResult();9        }10        static async Task MainAsync(string[] args)11        {12            {13            };14            using (var browser = await Puppeteer.LaunchAsync(options))15            using (var page = await browser.NewPageAsync())16            {17                await page.WaitForNavigationAsync(new WaitForNavigationOptions18                {19                    WaitUntil = new System.Collections.Generic.List<WaitUntilNavigation> { WaitUntilNavigation.Networkidle0 }20                });21                await page.ScreenshotAsync("screenshot.png");22            }23        }24    }25}26using System;27using System.Threading.Tasks;28using PuppeteerSharp;29{30    {31        static void Main(string[] args)32        {33            MainAsync(args).GetAwaiter().GetResult();34        }35        static async Task MainAsync(string[] args)36        {37            {38            };39            using (var browser = await Puppeteer.LaunchAsync(options))40            using (var page = await browser.NewPageAsync())41            {42                await page.WaitForSelectorAsync("input[name='q']", new WaitForSelectorOptions43                {44                });45                await page.ScreenshotAsync("screenshot.png");46            }47        }48    }49}50using System;51using System.Threading.Tasks;52using PuppeteerSharp;53{54    {55        static void Main(string[] args)56        {57            MainAsync(args).GetAwaiter().GetResult();58        }59        static async Task MainAsync(string[] args)60        {61            {62            };63            using (var browser = await Puppeteer.LaunchAsync(options))64            using (var page = await browser.NewPageAsync())65            {

WaitForNetworkIdleOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var options = new LaunchOptions { Headless = false };9            using (var browser = await Puppeteer.LaunchAsync(options))10            using (var page = await browser.NewPageAsync())11            {12                await page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 10000 });13                await navigationTask;14                await page.PdfAsync("google.pdf");15            }16        }17    }18}

WaitForNetworkIdleOptions

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.LaunchAsync(options);11            var page = await browser.NewPageAsync();12            await page.WaitForNavigationAsync(new NavigationOptions13            {14                WaitUntil = new[] { WaitUntilNavigation.Networkidle0 }15            });16            await page.WaitForNavigationAsync(new NavigationOptions17            {18                WaitUntil = new[] { WaitUntilNavigation.Networkidle2 }19            });20            await page.WaitForNavigationAsync(new NavigationOptions21            {22                WaitUntil = new[] { WaitUntilNavigation.Load }23            });24            await page.WaitForNavigationAsync(new NavigationOptions25            {26                WaitUntil = new[] { WaitUntilNavigation.DOMContentLoaded }27            });28            await browser.CloseAsync();29        }30    }31}32public Task<ElementHandle> WaitForSelectorAsync(string selector, WaitForSelectorOptions options = null)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.LaunchAsync(options);43            var page = await browser.NewPageAsync();

WaitForNetworkIdleOptions

Using AI Code Generation

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.ScreenshotAsync("google.png");17            await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });18            await page.ScreenshotAsync("google2.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().Wait();31        }32        static async Task MainAsync()33        {34            var browser = await Puppeteer.LaunchAsync(new LaunchOptions35            {36            });37            var page = await browser.NewPageAsync();38            await page.ScreenshotAsync("google.png");39            await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle2 } });40            await page.ScreenshotAsync("google2.png");41            await browser.CloseAsync();42        }43    }44}45using System;46using System.Threading.Tasks;47using PuppeteerSharp;48{49    {50        static void Main(string[] args)51        {52            MainAsync().Wait();53        }54        static async Task MainAsync()55        {56            var browser = await Puppeteer.LaunchAsync(new LaunchOptions57            {58            });59            var page = await browser.NewPageAsync();60            await page.ScreenshotAsync("google.png");61            await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new

WaitForNetworkIdleOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            var options = new LaunchOptions { Headless = false };11            using (var browser = await Puppeteer.LaunchAsync(options))12            using (var page = await browser.NewPageAsync())13            {14                await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });15                await page.WaitForFunctionAsync(@"() => {16                    return document.querySelectorAll('a').length > 0;17                }");18                await page.ScreenshotAsync("example.png");19            }20        }21    }22}23Property Description WaitUntil The page will wait for the network to become idle before continuing. It takes an array of WaitUntilNavigation values. Default: new[] { WaitUntilNavigation.Networkidle0 }24using System;25using System.Threading.Tasks;26using PuppeteerSharp;27{28    {29        static async Task Main(string[] args)30        {31            Console.WriteLine("Hello World!");32            await new BrowserFetcher().DownloadAsync(BrowserFetcher.Default

WaitForNetworkIdleOptions

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.LaunchAsync(new LaunchOptions { Headless = false });9            var page = await browser.NewPageAsync();10            await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });11            var pageTitle = await page.TitleAsync();12            Console.WriteLine(pageTitle);13            await browser.CloseAsync();14        }15    }16}

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.