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How to use QuerySelectorShouldThrowInCaseOfMissingSelector method of PuppeteerSharp.Tests.QuerySelectorTests.ElementHandleQuerySelectorEvalTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.QuerySelectorTests.ElementHandleQuerySelectorEvalTests.QuerySelectorShouldThrowInCaseOfMissingSelector

ElementHandleQuerySelectorEvalTests.cs

Source:ElementHandleQuerySelectorEvalTests.cs

...43            Assert.Equal("a-child-div", content);44        }45        [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$eval", "should throw in case of missing selector")]46        [PuppeteerFact]47        public async Task QuerySelectorShouldThrowInCaseOfMissingSelector()48        {49            var htmlContent = "<div class=\"a\">not-a-child-div</div><div id=\"myId\"></div>";50            await Page.SetContentAsync(htmlContent);51            var elementHandle = await Page.QuerySelectorAsync("#myId");52            var exception = await Assert.ThrowsAsync<SelectorException>(53                () => elementHandle.QuerySelectorAsync(".a").EvaluateFunctionAsync<string>("node => node.innerText")54            );55            Assert.Equal("Error: failed to find element matching selector", exception.Message);56        }57    }58}...

QuerySelectorShouldThrowInCaseOfMissingSelector

Using AI Code Generation

1using Xunit;2using System;3using System.Threading.Tasks;4using PuppeteerSharp.Tests.Attributes;5using PuppeteerSharp.Tests.BaseTests;6{7    [Collection(TestConstants.TestFixtureCollectionName)]8    {9        [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$eval", "should throw in case of missing selector")]10        public async Task QuerySelectorShouldThrowInCaseOfMissingSelector()11        {12            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");13            var exception = await Assert.ThrowsAsync<PuppeteerException>(() => Page.QuerySelectorAsync(".box").EvaluateFunctionAsync<int>("element => element.id"));14            Assert.Contains("Error: failed to find element matching selector \".box\"", exception.Message);15        }16    }17}18using Xunit;19using System;20using System.Threading.Tasks;21using PuppeteerSharp.Tests.Attributes;22using PuppeteerSharp.Tests.BaseTests;23{24    [Collection(TestConstants.TestFixtureCollectionName)]25    {26        [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$eval", "should throw in case of missing selector")]27        public async Task QuerySelectorShouldThrowInCaseOfMissingSelector()28        {29            await Page.GoToAsync(TestConstants.ServerUrl + "/playground.html");30            var exception = await Assert.ThrowsAsync<PuppeteerException>(() => Page.QuerySelectorAsync(".box").EvaluateFunctionAsync<int>("element => element.id"));31            Assert.Contains("Error: failed to find element matching selector \".box\"", exception.Message);32        }33    }34}35using Xunit;36using System;37using System.Threading.Tasks;38using PuppeteerSharp.Tests.Attributes;39using PuppeteerSharp.Tests.BaseTests;40{41    [Collection(TestConstants.TestFixtureCollectionName)]

QuerySelectorShouldThrowInCaseOfMissingSelector

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests.Attributes;5using PuppeteerSharp.Tests.BaseTests;6using Xunit;7using Xunit.Abstractions;8{9    [Collection(TestConstants.TestFixtureCollectionName)]10    {11        public ElementHandleQuerySelectorEvalTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$eval", "should query existing element")]15        public async Task ShouldQueryExistingElement()16        {17            await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");18            var tweet = await Page.QuerySelectorAsync(".tweet");19            var content = await tweet.QuerySelectorEvalAsync(".like", "node => node.innerText");20            Assert.Equal("100", content);21        }22        [PuppeteerTest("queryselector.spec.ts", "ElementHandle.$eval", "should return null for non-existing element")]23        public async Task ShouldReturnNullForNonExistingElement()24        {25            await Page.SetContentAsync("<html><body><div class=\"tweet\"><div class=\"like\">100</div><div class=\"retweets\">10</div></div></body></html>");26            var tweet = await Page.QuerySelectorAsync(".tweet");27            var content = await tweet.QuerySelectorEvalAsync(".dislike", "node => node.innerText");28            Assert.Null(content);29        }30    }31}32using System;33using System.Threading.Tasks;34using PuppeteerSharp;35using PuppeteerSharp.Tests.Attributes;36using PuppeteerSharp.Tests.BaseTests;37using Xunit;38using Xunit.Abstractions;39{40    [Collection(TestConstants.TestFixtureCollectionName)]41    {42        public ElementHandleQuerySelectorAllEvalTests(ITestOutputHelper output) : base(output)43        {44        }45        [PuppeteerTest("queryselector.spec.ts", "

QuerySelectorShouldThrowInCaseOfMissingSelector

Using AI Code Generation

1public   async   Task  ElementHandleQuerySelectorEvalTests()2{3     var  page =  await  LaunchNewPageAsync();4     await  page.SetContentAsync( @" 5            </html>" );6     var  html =  await  page.QuerySelectorAsync( @"html" );7     var  second =  await  html.QuerySelectorAsync( @".second" );8     var  third =  await  html.QuerySelectorAsync( @".third" );9     var  secondInner =  await  second.QuerySelectorAsync( @".inner" );10     var  thirdInner =  await  third.QuerySelectorAsync( @".inner" );11     await  page.EvaluateFunctionAsync( @"(a, b) => a.textContent = b" , secondInner,  "X" );12     await  page.EvaluateFunctionAsync( @"(a, b) => a.textContent = b" , thirdInner,  "Y" );13     var  secondInnerContent =  await  secondInner.EvaluateFunctionAsync< string >( @"e => e.textContent" );14     var  thirdInnerContent =  await  thirdInner.EvaluateFunctionAsync< string >( @"e => e.textContent" );15     Assert .Equal( "X" , secondInnerContent);16     Assert .Equal( "Y" , thirdInnerContent);17}18public   async   Task  ElementHandleQuerySelectorAllEvalTests()19{20     var  page =  await  LaunchNewPageAsync();21     await  page.SetContentAsync( @" 22            </html>" );23     var  html =  await  page.QuerySelectorAsync( @"html" );

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