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How to use RejectOnEvent method of Microsoft.Playwright.Core.Waiter class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Waiter.RejectOnEvent

Page.cs

Source:Page.cs

...332            using var waiter = new Waiter(this, $"page.WaitForEventAsync(\"{typeof(T)}\")");333            waiter.RejectOnTimeout(Convert.ToInt32(timeout), $"Timeout {timeout}ms exceeded while waiting for event \"{pageEvent.Name}\"");334            if (pageEvent.Name != PageEvent.Crash.Name)335            {336                waiter.RejectOnEvent<IPage>(this, PageEvent.Crash.Name, new("Page crashed"));337            }338            if (pageEvent.Name != PageEvent.Close.Name)339            {340                waiter.RejectOnEvent<IPage>(this, PageEvent.Close.Name, new("Page closed"));341            }342            var result = waiter.WaitForEventAsync(this, pageEvent.Name, predicate);343            if (action != null)344            {345                await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);346            }347            return await result.ConfigureAwait(false);348        }349        public async Task CloseAsync(PageCloseOptions options = default)350        {351            try352            {353                await _channel.CloseAsync(options?.RunBeforeUnload ?? false).ConfigureAwait(false);354                if (OwnedContext != null)...

Frame.cs

Source:Frame.cs

...515            if (this.Page.IsClosed)516            {517                waiter.RejectImmediately(new PlaywrightException("Navigation failed because page was closed!"));518            }519            waiter.RejectOnEvent<IPage>(Page, PageEvent.Close.Name, new("Navigation failed because page was closed!"));520            waiter.RejectOnEvent<IPage>(Page, PageEvent.Crash.Name, new("Navigation failed because page was crashed!"));521            waiter.RejectOnEvent<IFrame>(522                Page,523                "FrameDetached",524                new("Navigating frame was detached!"),525                e => e == this);526            timeout ??= (Page as Page)?.DefaultNavigationTimeout ?? PlaywrightImpl.DefaultTimeout;527            waiter.RejectOnTimeout(Convert.ToInt32(timeout), $"Timeout {timeout}ms exceeded.");528            return waiter;529        }530        private bool UrlMatches(string url, string matchUrl, Regex regex, Func<string, bool> match)531        {532            matchUrl = (Page.Context as BrowserContext)?.CombineUrlWithBase(matchUrl);533            if (matchUrl == null && regex == null && match == null)534            {535                return true;...

BrowserContext.cs

Source:BrowserContext.cs

...230            using var waiter = new Waiter(this, $"context.WaitForEventAsync(\"{playwrightEvent.Name}\")");231            waiter.RejectOnTimeout(Convert.ToInt32(timeout), $"Timeout {timeout}ms exceeded while waiting for event \"{playwrightEvent.Name}\"");232            if (playwrightEvent.Name != BrowserContextEvent.Close.Name)233            {234                waiter.RejectOnEvent<IBrowserContext>(this, BrowserContextEvent.Close.Name, new("Context closed"));235            }236            var result = waiter.WaitForEventAsync(this, playwrightEvent.Name, predicate);237            if (action != null)238            {239                await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);240            }241            return await result.ConfigureAwait(false);242        }243        public Task<IPage> WaitForPageAsync(BrowserContextWaitForPageOptions options = default)244            => InnerWaitForEventAsync(BrowserContextEvent.Page, null, options?.Predicate, options?.Timeout);245        public Task<IPage> RunAndWaitForPageAsync(Func<Task> action, BrowserContextRunAndWaitForPageOptions options = default)246            => InnerWaitForEventAsync(BrowserContextEvent.Page, action, options?.Predicate, options?.Timeout);247        public ValueTask DisposeAsync() => new ValueTask(CloseAsync());248        public void SetDefaultNavigationTimeout(float timeout) => DefaultNavigationTimeout = timeout;...

Waiter.cs

Source:Waiter.cs

...71        internal void RejectImmediately(Exception exception)72        {73            _immediateError = exception;74        }75        internal void RejectOnEvent<T>(76            object eventSource,77            string e,78            PlaywrightException navigationException,79            Func<T, bool> predicate = null)80        {81            if (eventSource == null)82            {83                return;84            }85            var (task, dispose) = GetWaitForEventTask(eventSource, e, predicate);86            RejectOn(87                task.ContinueWith(_ => throw navigationException, _cts.Token, TaskContinuationOptions.RunContinuationsAsynchronously, TaskScheduler.Current),88                dispose);89        }...

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.ClickAsync("input[name='q']");14            await page.TypeAsync("input[name='q']", "Hello World!");15            var waiter = page.WaitForEventAsync(PageEvent.Console);16            await waiter.RejectOnEventAsync(PageEvent.Load);17            var consoleMessage = await waiter.Task;18        }19    }20}

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.ClickAsync("input[name=\"q\"]");14            var waiter = page.WaitForEventAsync(PageEvent.Console);15            await page.EvaluateAsync("() => console.log('hello')");16            var consoleMessage = await waiter;17            Console.WriteLine(consoleMessage.Text);18            var waiter2 = page.WaitForEventAsync(PageEvent.Console);19            await page.EvaluateAsync("() => console.log('hello')");20            var consoleMessage2 = await waiter2;21            Console.WriteLine(consoleMessage2.Text);22            var waiter3 = page.WaitForEventAsync(PageEvent.Console);23            await page.EvaluateAsync("() => console.log('hello')");24            var consoleMessage3 = await waiter3;25            Console.WriteLine(consoleMessage3.Text);26            var waiter4 = page.WaitForEventAsync(PageEvent.Console);27            await page.EvaluateAsync("() => console.log('hello')");28            var consoleMessage4 = await waiter4;29            Console.WriteLine(consoleMessage4.Text);30            var waiter5 = page.WaitForEventAsync(PageEvent.Console);31            await page.EvaluateAsync("() => console.log('hello')");32            var consoleMessage5 = await waiter5;33            Console.WriteLine(consoleMessage5.Text);34            var waiter6 = page.WaitForEventAsync(PageEvent.Console);35            await page.EvaluateAsync("() => console.log('hello')");36            var consoleMessage6 = await waiter6;37            Console.WriteLine(consoleMessage6.Text);38            var waiter7 = page.WaitForEventAsync(PageEvent.Console);39            await page.EvaluateAsync("() => console.log('hello')");40            var consoleMessage7 = await waiter7;41            Console.WriteLine(consoleMessage7.Text);42            var waiter8 = page.WaitForEventAsync(PageEvent.Console);43            await page.EvaluateAsync("() => console.log('hello')");44            var consoleMessage8 = await waiter8;45            Console.WriteLine(consoleMessage8.Text);46            var waiter9 = page.WaitForEventAsync(PageEvent.Console);47            await page.EvaluateAsync("() => console.log('hello')");48            var consoleMessage9 = await waiter9;

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            var waiter = page.WaitForEventAsync(PageEvent.Request);12            await page.ClickAsync("button");13            await waiter;14        }15    }16}17   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass2_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 6118   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 10019   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 10020   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 10021   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 10022   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 10023   at Microsoft.Playwright.Core.Waiter.<>c__DisplayClass5_0.<RejectOnEvent>b__0() in C:\Repos\playwright-sharp\src\PlaywrightSharp\Waiter.cs:line 100

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            var waiter = page.WaitForEventAsync(PageEvent.Load);15            await waiter.RejectOnEventAsync(PageEvent.Popup, () => page.ClickAsync("a"));16            await waiter;17        }18    }19}20using System;21using System.Threading.Tasks;22using Microsoft.Playwright;23{24    {25        static async Task Main(string[] args)26        {27            using var playwright = await Playwright.CreateAsync();28            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions29            {30            });31            var context = await browser.NewContextAsync();32            var page = await context.NewPageAsync();33            var waiter = page.WaitForEventAsync(PageEvent.Load);34            await waiter.RejectOnEventAsync(PageEvent.Popup, () => page.ClickAsync("a"));35            await waiter;36        }37    }38}39using System;40using System.Threading.Tasks;41using Microsoft.Playwright;42{43    {44        static async Task Main(string[] args)45        {46            using var playwright = await Playwright.CreateAsync();47            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions48            {49            });50            var context = await browser.NewContextAsync();51            var page = await context.NewPageAsync();52            var waiter = page.WaitForEventAsync(PageEvent.Load);53            await waiter.RejectOnEventAsync(PageEvent.Popup, () => page.ClickAsync("a"));54            await waiter;55        }56    }57}

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.ClickAsync("input[name='q']");15            await page.TypeAsync("input[name='q']", "playwright");16            await page.WaitForSelectorAsync("text=Playwright");17            await page.WaitForSelectorAsync("text=Playwright", new WaitForSelectorOptions18            {19            });20            await page.WaitForSelectorAsync("text=Playwright");21            await page.WaitForSelectorAsync("text=Playwright", new WaitForSelectorOptions22            {23            });24            await page.WaitForSelectorAsync("text=Playwright", new WaitForSelectorOptions25            {26            });27            await page.WaitForSelectorAsync("text=Playwright", new WaitForSelectorOptions28            {29            });30            await page.WaitForSelectorAsync("text=Playwright");31            await page.WaitForSelectorAsync("text=Playwright", new WaitForSelectorOptions32            {33            });34            await page.ClickAsync("text=Playwright");35            await Task.Delay(10000);36            await browser.CloseAsync();37        }38    }39}

RejectOnEvent

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        public static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            var waiter = page.WaitForEventAsync(PageEvent.Load);14            await waiter;15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21{22    {23        public static async Task Main(string[] args)24        {25            using var playwright = await Playwright.CreateAsync();26            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions27            {28            });29            var page = await browser.NewPageAsync();30            var waiter = page.WaitForEventAsync(PageEvent.Load);31            await waiter;32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38{39    {40        public static async Task Main(string[] args)41        {42            using var playwright = await Playwright.CreateAsync();43            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions44            {45            });46            var page = await browser.NewPageAsync();47            var waiter = page.WaitForEventAsync(PageEvent.Load);48            await waiter;49        }50    }51}52using System;53using System.Threading.Tasks;54using Microsoft.Playwright;55{56    {57        public static async Task Main(string[] args)58        {59            using var playwright = await Playwright.CreateAsync();

RejectOnEvent

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            await page.ClickAsync("text=I agree");16            await page.ClickAsync("text=Sign in");17            await page.FillAsync("input[type=\"email\"]", "useremail");18            await page.ClickAsync("text=Next");19            await page.FillAsync("input[type=\"password\"]", "userpassword");20            await page.ClickAsync("text=Next");21            await page.WaitForNavigationAsync();22            await page.ClickAsync("text=Google apps");23            await page.ClickAsync("text=Drive");24            await page.WaitForNavigationAsync();25            await page.ClickAsync("text=New");26            await page.ClickAsync("text=File upload");27            await page.SetInputFilesAsync("input[type=\"file\"]", "/home/username/Downloads/1.jpg");28            await page.ClickAsync("text=Upload");29            await page.ClickAsync("text=Untitled presentation");30            await page.ClickAsync("text=Share");31            await page.ClickAsync("text=Get link");32            await page.ClickAsync("text=Anyone with the link");33            await page.ClickAsync("text=Copy link");34            await page.ClickAsync("t

RejectOnEvent

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.Threading.Tasks;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();11            var page = await browser.NewPageAsync();12            var waiter = page.WaitForEventAsync(PageEvent.Popup);13            var popup = await waiter;14            Console.WriteLine($"Popup title: {await popup.TitleAsync()}");15            Console.WriteLine("Done");16        }17    }18}19using Microsoft.Playwright;20using Microsoft.Playwright.Core;21using System;22using System.Threading.Tasks;23{24    {25        static async Task Main(string[] args)26        {27            await using var playwright = await Playwright.CreateAsync();28            await using var browser = await playwright.Chromium.LaunchAsync();29            var page = await browser.NewPageAsync();30            var waiter = page.WaitForEventAsync(PageEvent.Popup);31            var popup = await waiter;32            Console.WriteLine($"Popup title: {await popup.TitleAsync()}");33            Console.WriteLine("Done");34        }35    }36}37using Microsoft.Playwright;38using Microsoft.Playwright.Core;39using System;40using System.Threading.Tasks;41{42    {43        static async Task Main(string[] args)44        {45            await using var playwright = await Playwright.CreateAsync();46            await using var browser = await playwright.Chromium.LaunchAsync();47            var page = await browser.NewPageAsync();48            var waiter = page.WaitForEventAsync(PageEvent.Popup);49            var popup = await waiter;50            Console.WriteLine($"Popup title: {await popup.TitleAsync()}");51            Console.WriteLine("Done");52        }53    }54}

RejectOnEvent

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            await page.WaitForSelectorAsync("input[name='q']");13            await page.TypeAsync("input[name='q']", "Hello World!");14            await page.ClickAsync("input[name='btnK']");15            var waiter = page.WaitForSelectorAsync("div#result-stats");16            var waiter2 = page.WaitForSelectorAsync("div#result-stats");17            var waiter3 = page.WaitForSelectorAsync("div#result-stats");18            var waiter4 = page.WaitForSelectorAsync("div#result-stats");19            var waiter5 = page.WaitForSelectorAsync("div#result-stats");20            var waiter6 = page.WaitForSelectorAsync("div#result-stats");21            await waiter.RejectOnEventAsync(page, "load");22            await waiter2.RejectOnEventAsync(page, "load");23            await waiter3.RejectOnEventAsync(page, "load");24            await waiter4.RejectOnEventAsync(page, "load");25            await waiter5.RejectOnEventAsync(page, "load");26            await waiter6.RejectOnEventAsync(page, "load");27            await page.WaitForTimeoutAsync(5000);28            await browser.CloseAsync();29        }30    }31}32using Microsoft.Playwright;33using System;34using System.Threading.Tasks;35{36    {37        public static async Task Main(string[] args)38        {39            var playwright = await Playwright.CreateAsync();40            var browser = await playwright.Chromium.LaunchAsync();41            var context = await browser.NewContextAsync();42            var page = await context.NewPageAsync();43            await page.WaitForSelectorAsync("input[name='q']");44            await page.TypeAsync("input[name='q']", "Hello World!");45            await page.ClickAsync("input[name='btnK']");46            var waiter = page.WaitForSelectorAsync("div#result-stats");

RejectOnEvent

Using AI Code Generation

1using Microsoft.Playwright.Core;2using Microsoft.Playwright.Core.Helpers;3using Microsoft.Playwright.Core.Tests;4using Microsoft.Playwright.NUnit;5using NUnit.Framework;6using System;7using System.Collections.Generic;8using System.Linq;9using System.Text;10using System.Threading.Tasks;11{12    {13        [PlaywrightTest("2.cs", "2", "RejectOnEvent")]14        public async Task RejectOnEvent()15        {16            await Page.GotoAsync(Server.Prefix + "/grid.html");17            var waiter = Page.WaitForEventAsync(PageEvent.Popup);18            await Page.EvaluateAsync("url => window.open(url)", Server.Prefix + "/empty.html");19            var popup = await waiter;20            Assert.AreEqual(Server.Prefix + "/empty.html", popup.Url);21        }22    }23}24using Microsoft.Playwright.Core;25using Microsoft.Playwright.Core.Helpers;26using Microsoft.Playwright.Core.Tests;27using Microsoft.Playwright.NUnit;28using NUnit.Framework;29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34{35    {36        [PlaywrightTest("3.cs", "3", "RejectOnEvent")]37        public async Task RejectOnEvent()38        {39            await Page.GotoAsync(Server.Prefix + "/grid.html");40            var waiter = Page.WaitForEventAsync(PageEvent.Popup);41            await Page.EvaluateAsync("url => window.open(url)", Server.Prefix + "/empty.html");42            var popup = await waiter;43            Assert.AreEqual(Server.Prefix + "/empty.html", popup.Url);44        }45    }46}47using Microsoft.Playwright.Core;48using Microsoft.Playwright.Core.Helpers;49using Microsoft.Playwright.Core.Tests;50using Microsoft.Playwright.NUnit;51using NUnit.Framework;52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57{58    {59        [PlaywrightTest("4.cs", "4", "RejectOnEvent")]60        public async Task RejectOnEvent()61        {62            await Page.GotoAsync(Server.Prefix + "/grid

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.

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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.
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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.
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