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How to use ShouldThrowErrorIfNoElementIsFound method of Microsoft.Playwright.Tests.EvalOnSelectorTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.EvalOnSelectorTests.ShouldThrowErrorIfNoElementIsFound

EvalOnSelectorTests.cs

Source:EvalOnSelectorTests.cs

...120            string text = await Page.EvalOnSelectorAsync<string>("section", "(e, div) => e.textContent + div.textContent", divHandle);121            Assert.AreEqual("hello world", text);122        }123        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]124        public async Task ShouldThrowErrorIfNoElementIsFound()125        {126            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(()127                => Page.EvalOnSelectorAsync("section", "e => e.id"));128            StringAssert.Contains("failed to find element matching selector \"section\"", exception.Message);129        }130        [PlaywrightTest("eval-on-selector.spec.ts", "should support >> syntax")]131        public async Task ShouldSupportDoubleGreaterThanSyntax()132        {133            await Page.SetContentAsync("<section><div>hello</div></section>");134            string text = await Page.EvalOnSelectorAsync<string>("css=section >> css=div", "(e, suffix) => e.textContent + suffix", " world!");135            Assert.AreEqual("hello world!", text);136        }137        [PlaywrightTest("eval-on-selector.spec.ts", "should support >> syntax with different engines")]138        public async Task ShouldSupportDoubleGreaterThanSyntaxWithDifferentEngines()...

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1{2    [Parallelizable(ParallelScope.Self)]3    {4        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]5        [Test, Timeout(TestConstants.DefaultTestTimeout)]6        public async Task ShouldThrowErrorIfNoElementIsFound()7        {8            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvalOnSelectorAsync("button", "button => button"));9            StringAssert.Contains("failed to find element matching selector \"button\"", exception.Message);10        }11    }12}13at Microsoft.Playwright.Tests.EvalOnSelectorTests.ShouldThrowErrorIfNoElementIsFound() in C:\Users\user\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\EvalOnSelectorTests.cs:line 29

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1{2    {3        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]4        [Fact(Timeout = TestConstants.DefaultTestTimeout)]5        public async Task ShouldThrowErrorIfNoElementIsFound()6        {7            await Page.SetContentAsync("<html><body><div>hello</div></body></html>");8            var exception = await Assert.ThrowsAsync<PlaywrightException>(() => Page.EvalOnSelectorAsync("non-existing", "element => element.textContent"));9            StringAssert.Contains("failed to find element matching selector \"non-existing\"", exception.Message);10        }11    }12}13{14    {15        public Task<IJSHandle> EvalOnSelectorAsync(string selector, string script, object arg = null)16            => Page.EvalOnSelectorAsync(selector, script, arg);17    }18}19Task<IJSHandle> EvalOnSelectorAsync(string selector, string script, object arg = null)20var divCount = await Page.EvalOnSelectorAsync("div", "divs => divs.length");21Page.EvalOnSelectorAllAsync(string selector, string script, object arg = null)22Page.EvalOnSelectorAsync(string selector, string script, object arg = null)23Page.EvalOnSelectorAllAsync(string selector, string script, object arg = null)24{25    {26        [PlaywrightTest("eval-on-selector.spec.ts", "should work with strict CSP policy")]27        [Fact(

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]9        public async Task ShouldThrowErrorIfNoElementIsFound()10        {11            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvalOnSelectorAsync("button", "button => button.innerText"));12            StringAssert.Contains("failed to find element matching selector \"button\"", exception.Message);13        }14    }15}

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1using Microsoft.Playwright.Tests;2{3    {4        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]5        [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]6        public async Task ShouldThrowErrorIfNoElementIsFound()7        {8            var exception = await Assert.ThrowsAsync<PlaywrightSharp.PlaywrightException>(() => Page.EvalOnSelectorAsync("foo", "element => element.textContent"));9            StringAssert.Contains("failed to find element matching selector \"foo\"", exception.Message);10        }11    }12}13at Microsoft.Playwright.Tests.EvalOnSelectorTests.ShouldThrowErrorIfNoElementIsFound() in C:\Users\kalyan\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\EvalOnSelectorTests.cs:line 3214at Microsoft.Playwright.Tests.EvalOnSelectorTests.ShouldWork() in C:\Users\kalyan\source\repos\PlaywrightSharp\src\PlaywrightSharp.Tests\EvalOnSelectorTests.cs:line 16

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        public void Main()9        {10            var instance = new Microsoft.Playwright.Tests.EvalOnSelectorTests();11            instance.ShouldThrowErrorIfNoElementIsFound();12        }13    }14}

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NUnit.Framework;7{8    [Parallelizable(ParallelScope.Self)]9    {10        public EvalOnSelectorTests(ITestOutputHelper output) : base(output)11        {12        }13        [PlaywrightTest("eval-on-selector.spec.ts", "should throw error if no element is found")]14        [Test, Timeout(TestConstants.DefaultTestTimeout)]15        public async Task ShouldThrowErrorIfNoElementIsFound()16        {17            await Page.SetContentAsync(@"18    ");19            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvalOnSelectorAsync("non-existing", "() => 123"));20            StringAssert.Contains("failed to find element matching selector \"non-existin

ShouldThrowErrorIfNoElementIsFound

Using AI Code Generation

1await page.EvalOnSelectorAsync("nonexisting", "element => element.textContent");2await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");3await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");4await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");5await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");6await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");7await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");8await page.EvalOnSelectorAllAsync("nonexisting", "element => element.textContent");

Playwright tutorial

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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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