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

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

PageWaitForFunctionTests.cs

Source:PageWaitForFunctionTests.cs

...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);120        }121        [PlaywrightTest("page-wait-for-function.spec.ts", "should fail with ReferenceError on wrong page")]122        public async Task ShouldFailWithReferenceErrorOnWrongPage()123        {124            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.WaitForFunctionAsync("() => globalVar === 123"));125            StringAssert.Contains("globalVar", exception.Message);...

ShouldFailWithPredicateThrowingSometimes

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using NUnit.Framework;6{7    {8        [PlaywrightTest("page-wait-for-function.spec.ts", "should fail with predicate throwing sometimes")]9        [Test, Timeout(TestConstants.DefaultTestTimeout)]10        public async Task ShouldFailWithPredicateThrowingSometimes()11        {12            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.WaitForFunctionAsync("() => { throw new Error('abc'); }"));13            StringAssert.Contains("abc", exception.Message);14        }15    }16}17at Microsoft.Playwright.Tests.PageWaitForFunctionTests.ShouldFailWithPredicateThrowingSometimes() in C:\Users\mihai\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\PageWaitForFunctionTests.cs:line 2618Assert.Throws() Failure19Expected: typeof(Microsoft.Playwright.PlaywrightException)20Actual:   typeof(Play

ShouldFailWithPredicateThrowingSometimes

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Threading.Tasks;7    using PlaywrightSharp;8    using Xunit;9    using Xunit.Abstractions;10    {11        internal PageWaitForFunctionTests(ITestOutputHelper output) : base(output)12        {13        }14        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]15        public async Task ShouldWorkWithStrictCSPPolicy()16        {17            await Page.GoToAsync(TestConstants.ServerUrl + "/csp.html");18            await Page.AddScriptTagAsync(new AddTagOptions19            {20                Content = "window.__injected = 42;",21            });22            var result = await Page.EvaluateAsync<int>("() => window.__injected");23            Assert.Equal(42, result);24        }25        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]26        public async Task ShouldSurviveCrossProcessNavigation()27        {28            await Page.GoToAsync(TestConstants.EmptyPage);29            var watchdog = Page.WaitForFunctionAsync("() => window.__FOO === 'hit'", new WaitForFunctionOptions { Timeout = 5000 });30            await Page.GoToAsync(TestConstants.CrossProcessUrl + "/grid.html");31            await Page.EvaluateAsync("() => window.__FOO = 'hit'");32            var e = await Assert.ThrowsAsync<TimeoutException>(async () => await watchdog);33            Assert.Contains("waiting for function failed: timeout 5000ms exceeded", e.Message);34        }

ShouldFailWithPredicateThrowingSometimes

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Linq;5    using System.Text;6    using System.Threading.Tasks;7    using Microsoft.Playwright;8    using Microsoft.Playwright.NUnit;9    using NUnit.Framework;10    using NUnit.Framework.Interfaces;11    [Parallelizable(ParallelScope.Self)]12    {13        [PlaywrightTest("page-wait-for-function.spec.ts", "should work")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldWork()16        {17            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");18            bool[] grid = await Page.EvaluateAsync<bool[]>("() => {\n" +19            "  let fulfill;\n" +20            "  const promise = new Promise(x => fulfill = x);\n" +21            "  window.result = promise;\n" +22            "  function check() {\n" +23            "    const divs = document.querySelectorAll('div');\n" +24            "    if (divs.length === 256)\n" +25            "      fulfill(Array.from(divs, div => div.getBoundingClientRect().left));\n" +26            "      setTimeout(check, 100);\n" +27            "  }\n" +28            "  check();\n" +29            "  return new Array(256);\n" +30            "}");31            Assert.AreEqual(256, grid.Length);32            Assert.AreEqual(true, grid[0]);33            Assert.AreEqual(true, grid[255]);34        }35        [PlaywrightTest("page-wait-for-function.spec.ts", "should work with strict CSP policy")]36        [Test, Timeout(TestConstants.DefaultTestTimeout)]37        public async Task ShouldWorkWithStrictCSPPolicy()38        {39            await Page.GoToAsync(TestConstants.ServerUrl + "/csp.html");40            await Page.AddScriptTagAsync(new()41            {42                Content = "window.__injected = 42;"43            });44            int result = await Page.EvaluateAsync<int>("() => window.__injected");45            Assert.AreEqual(42, result);46            int aHandle = await Page.EvaluateHandleAsync<int>("() => window.__injected");47            Assert.AreEqual(42, result);48        }49        [PlaywrightTest("page-wait-for-function.spec.ts", "should poll on interval")]

ShouldFailWithPredicateThrowingSometimes

Using AI Code Generation

1using System;2using System.Reflection;3{4    {5        public void Run()6        {7            Assembly assembly = Assembly.LoadFrom(@"C:\Users\Janusz\source\repos\playwright-sharp\src\PlaywrightSharp.Tests\bin\Debug\net5.0\PlaywrightSharp.Tests.dll");8            Type type = assembly.GetType("Microsoft.Playwright.Tests.PageWaitForFunctionTests");9            object obj = Activator.CreateInstance(type);10            MethodInfo methodInfo = type.GetMethod("ShouldFailWithPredicateThrowingSometimes");11            methodInfo.Invoke(obj, null);12        }13    }14}

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