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How to use ShouldFailWithPredicateThrowingOnFirstCall method of Microsoft.Playwright.Tests.PageWaitForFunctionTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageWaitForFunctionTests.ShouldFailWithPredicateThrowingOnFirstCall

PageWaitForFunctionTests.cs

Source:PageWaitForFunctionTests.cs

...101            await watchdog;102            */103        }104        [PlaywrightTest("page-wait-for-function.spec.ts", "should fail with predicate throwing on first call")]105        public async Task ShouldFailWithPredicateThrowingOnFirstCall()106        {107            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.WaitForFunctionAsync("() => { throw new Error('oh my'); }"));108            StringAssert.Contains("oh my", exception.Message);109        }110        [PlaywrightTest("page-wait-for-function.spec.ts", "should fail with predicate throwing sometimes")]111        public async Task ShouldFailWithPredicateThrowingSometimes()112        {113            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.WaitForFunctionAsync(@"() => {114              window.counter = (window.counter || 0) + 1;115              if (window.counter === 3)116                throw new Error('Bad counter!');117              return window.counter === 5 ? 'result' : false;118            }"));119            StringAssert.Contains("Bad counter!", exception.Message);...

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using PlaywrightSharp;7    using Xunit;8    using Xunit.Abstractions;9    [Collection(TestConstants.TestFixtureBrowserCollectionName)]10    {11        public PageWaitForFunctionTests(ITestOutputHelper output) : base(output)12        {13        }14        [PlaywrightTest("page-wait-for-function.spec.ts", "should fail with predicate throwing on first call")]15        [Fact(Timeout = TestConstants.DefaultTestTimeout)]16        public async Task ShouldFailWithPredicateThrowingOnFirstCall()17        {18            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");19            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.WaitForFunctionAsync("() => window.__FOO === 1"));20            Assert.Contains("window.__FOO", exception.Message);21        }22    }23}

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10    {11        public async Task ShouldFailWithPredicateThrowingOnFirstCall()12        {13            var exception = await Assert.ThrowsAsync<PlaywrightSharpException>(() => Page.WaitForFunctionAsync("() => { throw new Error('Error in predicate'); }"));14            Assert.Contains("Error in predicate", exception.Message);15        }16    }17}

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using NUnit.Framework;7    using PlaywrightSharp;8    using PlaywrightSharp.Tests.BaseTests;9    {10        [PlaywrightTest("page-wait-for-function.spec.ts", "should work")]11        [Test, Timeout(TestConstants.DefaultTestTimeout)]12        public async Task ShouldWork()13        {14            var watchdog = Page.WaitForFunctionAsync("window.__FOO === 1");15            await Page.EvaluateAsync("() => window.__FOO = 1");16            await watchdog;17        }18        [PlaywrightTest("page-wait-for-function.spec.ts", "should work with args")]19        [Test, Timeout(TestConstants.DefaultTestTimeout)]20        public async Task ShouldWorkWithArgs()21        {22            var watchdog = Page.WaitForFunctionAsync("a => a, 1");23            await watchdog;24        }25        [PlaywrightTest("page-wait-for-function.spec.ts", "should work with ElementHandle args")]26        [Test, Timeout(TestConstants.DefaultTestTimeout)]27        public async Task ShouldWorkWithElementHandleArgs()28        {29            await Page.SetContentAsync("<div></div>");30            var div = await Page.QuerySelectorAsync("div");31            var watchdog = Page.WaitForFunctionAsync("e => !e.parentElement, e", div);32            await Page.EvaluateAsync("e => e.remove()", div);33            await watchdog;34        }35        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on interval")]36        [Test, Timeout(TestConstants.DefaultTestTimeout)]37        public async Task ShouldPollOnInterval()38        {39            var start = DateTime.Now;40            var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'", null, new WaitForFunctionOptions41            {42            });43            await Page.EvaluateAsync("() => window.__FOO = 'hit'");44            await watchdog;45            Assert.True((DateTime.Now - start).TotalMilliseconds >= 100);46        }47        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on raf")]48        [Test, Timeout(TestConstants.DefaultTestTimeout)]49        public async Task ShouldPollOnRaf()50        {51            var watchdog = Page.WaitForFunctionAsync("() =>

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using NUnit.Framework;6{7    {8        private string ShouldFailWithPredicateThrowingOnFirstCall()9        {10            return "ShouldFailWithPredicateThrowingOnFirstCall";11        }12    }13}14using Microsoft.Playwright.Tests;15using NUnit.Framework;16{17    {18        private string ShouldFailWithPredicateThrowingOnFirstCall()19        {20            return "ShouldFailWithPredicateThrowingOnFirstCall";21        }22    }23}24error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)25using Microsoft.Playwright.Tests;26using NUnit.Framework;27{28    {29        private string ShouldFailWithPredicateThrowingOnFirstCall()30        {31            return "ShouldFailWithPredicateThrowingOnFirstCall";32        }33    }34}35error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)36using Microsoft.Playwright.Tests;37using NUnit.Framework;38{39    {40        private string ShouldFailWithPredicateThrowingOnFirstCall()41        {42            return "ShouldFailWithPredicateThrowingOnFirstCall";43        }44    }45}46error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        static void Main(string[] args)9        {10            var page = new Microsoft.Playwright.Tests.PageWaitForFunctionTests();11            page.ShouldFailWithPredicateThrowingOnFirstCall();12        }13    }14}15{16    {17        public void ShouldFailWithPredicateThrowingOnFirstCall()18        {19            var page = new Page();20            var exception = Assert.ThrowsAsync<PlaywrightException>(() => page.WaitForFunctionAsync("() => not.existing.object.property"));21            Assert.Contains("not is not defined", exception.Message);22        }23    }24}25{26    {27        public Task<WaitForFunctionResult> WaitForFunctionAsync(string v)28        {29            throw new NotImplementedException();30        }31    }32    {33    }34    {35        public PlaywrightException(string message) : base(message)36        {37        }38    }39    {40        public static T ThrowsAsync<T>(Func<Task> task) where T : Exception41        {42            throw new NotImplementedException();43        }44        public static void Contains(string v, string message)45        {46            throw new NotImplementedException();47        }48    }49}

ShouldFailWithPredicateThrowingOnFirstCall

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using Newtonsoft.Json;9{10    {11        static async Task Main(string[] args)12        {13            var playwright = await Playwright.CreateAsync();14            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions15            {16            });17            var context = await browser.NewContextAsync();18            var page = await context.NewPageAsync();19            await page.WaitForFunctionAsync(@"() => {20                const content = document.querySelector('#www-wikipedia-org > div.central-textlogo > h1 > a > img').getAttribute('alt');21                return content.includes('Wikipedia');22            }");23            await page.ScreenshotAsync(new PageScreenshotOptions24            {25            });26            await browser.CloseAsync();27        }28    }29}

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