How to use ShouldReturnEmptyArrayForNonExistingElements method of Microsoft.Playwright.Tests.ElementHandleQuerySelectorTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.ElementHandleQuerySelectorTests.ShouldReturnEmptyArrayForNonExistingElements

ElementHandleQuerySelectorTests.cs

Source:ElementHandleQuerySelectorTests.cs Github

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...83 var tasks = elements.Select(element => Page.EvaluateAsync<string>("e => e.textContent", element));84 Assert.AreEqual(new[] { "A", "B" }, await TaskUtils.WhenAll(tasks));85 }86 [PlaywrightTest("elementhandle-query-selector.spec.ts", "should return empty array for non-existing elements")]87 public async Task ShouldReturnEmptyArrayForNonExistingElements()88 {89 await Page.SetContentAsync("<html><body><span>A</span><br/><span>B</span></body></html>");90 var html = await Page.QuerySelectorAsync("html");91 var elements = await html.QuerySelectorAllAsync("div");92 Assert.IsEmpty(elements);93 }94 [PlaywrightTest("elementhandle-query-selector.spec.ts", "xpath should query existing element")]95 public async Task XPathShouldQueryExistingElement()96 {97 await Page.GotoAsync(Server.Prefix + "/playground.html");98 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div></body></html>");99 var html = await Page.QuerySelectorAsync("html");100 var second = await html.QuerySelectorAllAsync("xpath=./body/div[contains(@class, 'second')]");101 var inner = await second.First().QuerySelectorAllAsync("xpath=./div[contains(@class, 'inner')]");...

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ShouldReturnEmptyArrayForNonExistingElements

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1public async Task ShouldReturnEmptyArrayForNonExistingElements()2{3 await using var playwright = await Playwright.CreateAsync();4 await using var browser = await playwright.Chromium.LaunchAsync();5 await using var context = await browser.NewContextAsync();6 await using var page = await context.NewPageAsync();7 var elements = await page.QuerySelectorAllAsync("non-existing-element");8 Assert.AreEqual(0, elements.Length);9}10public async Task ShouldReturnEmptyArrayForNonExistingElements()11{12 await using var playwright = await Playwright.CreateAsync();13 await using var browser = await playwright.Chromium.LaunchAsync();14 await using var context = await browser.NewContextAsync();15 await using var page = await context.NewPageAsync();16 var elements = await page.QuerySelectorAllAsync("non-existing-element");17 Assert.AreEqual(0, elements.Length);18}19public async Task ShouldReturnEmptyArrayForNonExistingElements()20{21 await using var playwright = await Playwright.CreateAsync();22 await using var browser = await playwright.Chromium.LaunchAsync();23 await using var context = await browser.NewContextAsync();24 await using var page = await context.NewPageAsync();25 var elements = await page.QuerySelectorAllAsync("non-existing-element");26 Assert.AreEqual(0, elements.Length);27}28public async Task ShouldReturnEmptyArrayForNonExistingElements()29{30 await using var playwright = await Playwright.CreateAsync();31 await using var browser = await playwright.Chromium.LaunchAsync();32 await using var context = await browser.NewContextAsync();33 await using var page = await context.NewPageAsync();34 var elements = await page.QuerySelectorAllAsync("

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ShouldReturnEmptyArrayForNonExistingElements

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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 }11 }12}13Error CS0234 The type or namespace name 'Tests' does not exist in the namespace 'Microsoft.Playwright' (are you missing an assembly reference?) 5 C:\Users\user\source\repos\PlaywrightTest\PlaywrightTest\5.cs 9 Active

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ShouldReturnEmptyArrayForNonExistingElements

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9 {10 public async Task ShouldReturnEmptyArrayForNonExistingElements()11 {12 await Page.SetContentAsync("<html><body><div>A</div></body></html>");13 var html = await Page.QuerySelectorAsync("html");14 var nonexistent = await html.QuerySelectorAllAsync("nonexistent");15 Assert.Empty(nonexistent);16 }17 }18}19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24using Xunit;25using Xunit.Abstractions;26{27 {28 public async Task ShouldReturnEmptyArrayForNonExistingElements()29 {30 await Page.SetContentAsync("<html><body><div>A</div></body></html>");31 var html = await Page.QuerySelectorAsync("html");32 var nonexistent = await html.QuerySelectorAllAsync("nonexistent");33 Assert.Empty(nonexistent);34 }35 }36}37using System;38using System.Collections.Generic;39using System.Linq;40using System.Text;41using System.Threading.Tasks;42using Xunit;43using Xunit.Abstractions;44{45 {46 public async Task ShouldReturnEmptyArrayForNonExistingElements()47 {48 await Page.SetContentAsync("<html><body

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ShouldReturnEmptyArrayForNonExistingElements

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1using Microsoft.Playwright.Tests;2using NUnit.Framework;3using System.Threading.Tasks;4{5 {6 public async Task ShouldReturnEmptyArrayForNonExistingElements()7 {8 await Page.SetContentAsync("<html><body><div></div></body></html>");9 var html = await Page.QuerySelectorAsync("html");10 var nonExisting = await html.QuerySelectorAllAsync("non-existing");11 Assert.AreEqual(0, nonExisting.Length);12 await html.DisposeAsync();13 }14 }15}16using Microsoft.Playwright.Tests;17using NUnit.Framework;18using System.Threading.Tasks;19{20 {21 public async Task ShouldReturnEmptyArrayForNonExistingElements()22 {23 await Page.SetContentAsync("<html><body><div></div></body></html>");24 var html = await Page.QuerySelectorAsync("html");25 var nonExisting = await html.QuerySelectorAllAsync("non-existing");26 Assert.AreEqual(0, nonExisting.Length);27 await html.DisposeAsync();28 }29 }30}31using Microsoft.Playwright.Tests;32using NUnit.Framework;33using System.Threading.Tasks;34{35 {36 public async Task ShouldReturnEmptyArrayForNonExistingElements()37 {38 await Page.SetContentAsync("<html><body><div></div></body></html>");39 var html = await Page.QuerySelectorAsync("html");40 var nonExisting = await html.QuerySelectorAllAsync("non-existing");41 Assert.AreEqual(0, nonExisting.Length);42 await html.DisposeAsync();43 }44 }45}46using Microsoft.Playwright.Tests;

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ShouldReturnEmptyArrayForNonExistingElements

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1public void ShouldReturnEmptyArrayForNonExistingElements()2{3 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;4 var browser = playwright.Chromium.LaunchAsync(new Microsoft.Playwright.LaunchOptions { Headless = true }).Result;5 var context = browser.NewContextAsync().Result;6 var page = context.NewPageAsync().Result;7 var elementHandle = page.QuerySelectorAsync("non-existing").Result;8 var arrayHandle = elementHandle.QuerySelectorAllAsync("css=div").Result;9 var properties = arrayHandle.GetPropertiesAsync().Result;10 var count = properties["length"].JsonValueAsync<int>().Result;11 Assert.AreEqual(0, count);12}13public void ShouldReturnEmptyArrayForNonExistingElements()14{15 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;16 var browser = playwright.Chromium.LaunchAsync(new Microsoft.Playwright.LaunchOptions { Headless = true }).Result;17 var context = browser.NewContextAsync().Result;18 var page = context.NewPageAsync().Result;19 var elementHandle = page.QuerySelectorAsync("non-existing").Result;20 var arrayHandle = elementHandle.QuerySelectorAllAsync("css=div").Result;21 var properties = arrayHandle.GetPropertiesAsync().Result;22 var count = properties["length"].JsonValueAsync<int>().Result;23 Assert.AreEqual(0, count);24}25public void ShouldReturnEmptyArrayForNonExistingElements()26{27 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;28 var browser = playwright.Chromium.LaunchAsync(new Microsoft.Playwright.LaunchOptions { Headless = true }).Result;29 var context = browser.NewContextAsync().Result;30 var page = context.NewPageAsync().Result;31 var elementHandle = page.QuerySelectorAsync("non-existing").Result;

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ShouldReturnEmptyArrayForNonExistingElements

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1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3{4 {5 [PlaywrightTest("elementhandle-query-selector.spec.ts", "should return empty array for non-existing elements")]6 [Fact(Timeout = TestConstants.DefaultTestTimeout)]7 public async Task ShouldReturnEmptyArrayForNonExistingElements()8 {9 await Page.SetContentAsync("<html><body><div class=\"second\"><div class=\"inner\">A</div></div><div class=\"third\"><div class=\"inner\">B</div></div></body></html>");10 var html = await Page.QuerySelectorAsync("html");11 var elements = await html.QuerySelectorAllAsync(".third .inner");12 Assert.Empty(elements);13 }14 }15}

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ShouldReturnEmptyArrayForNonExistingElements

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1using Microsoft.Playwright.Tests;2using System.Threading.Tasks;3{4 {5 public async Task ShouldReturnEmptyArrayForNonExistingElements()6 {7 using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions9 {10 });11 var context = await browser.NewContextAsync();12 var page = await context.NewPageAsync();13 var element = await page.QuerySelectorAsync("#searchInput");14 var nonExistingElement = await element.QuerySelectorAsync("non-existing-element");15 var result = await nonExistingElement.EvaluateAsync("e => e.nodeName");16 }17 }18}19using Microsoft.Playwright.Tests;20using System.Threading.Tasks;21{22 {23 public async Task ShouldReturnEmptyArrayForNonExistingElements()24 {25 using var playwright = await Playwright.CreateAsync();26 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions27 {28 });29 var context = await browser.NewContextAsync();30 var page = await context.NewPageAsync();31 var element = await page.QuerySelectorAsync("#searchInput");32 var nonExistingElement = await element.QuerySelectorAllAsync("non-existing-element");33 var result = await nonExistingElement.EvaluateAsync("e => e.nodeName");34 }35 }36}37using Microsoft.Playwright.Tests;38using System.Threading.Tasks;39{40 {41 public async Task ShouldWorkWithTextNodes()42 {43 using var playwright = await Playwright.CreateAsync();44 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions45 {46 });

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ShouldReturnEmptyArrayForNonExistingElements

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1var element = await page.QuerySelectorAsync("non-existing-element");2var result = await element.ShouldReturnEmptyArrayForNonExistingElements();3var element = await page.QuerySelectorAsync("body");4var result = await element.ShouldWork();5var element = await page.QuerySelectorAsync("body");6var result = await element.ShouldWorkWithRemovedMutation();7We have checked the issue with the latest version of Syncfusion Essential Studio for Xamarin (version

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