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How to use ShouldAutoDetectCssSelector method of Microsoft.Playwright.Tests.EvalOnSelectorAllTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.EvalOnSelectorAllTests.ShouldAutoDetectCssSelector

EvalOnSelectorAllTests.cs

Source:EvalOnSelectorAllTests.cs

...49            int divsCount = await Page.EvalOnSelectorAllAsync<int>("xpath=/html/body/div", "divs => divs.length");50            Assert.AreEqual(3, divsCount);51        }52        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]53        public async Task ShouldAutoDetectCssSelector()54        {55            await Page.SetContentAsync("<div>hello</div><div>beautiful</div><div>world!</div>");56            int divsCount = await Page.EvalOnSelectorAllAsync<int>("div", "divs => divs.length");57            Assert.AreEqual(3, divsCount);58        }59        [PlaywrightTest("eval-on-selector-all.spec.ts", "should support >> syntax")]60        public async Task ShouldSupportDoubleGreaterThanSyntax()61        {62            await Page.SetContentAsync("<div><span>hello</span></div><div>beautiful</div><div><span>wo</span><span>rld!</span></div><span>Not this one</span>");63            int spansCount = await Page.EvalOnSelectorAllAsync<int>("css=div >> css=span", "spans => spans.length");64            Assert.AreEqual(3, spansCount);65        }66        [PlaywrightTest("eval-on-selector-all.spec.ts", "should should support * capture")]67        public async Task ShouldSupportStarCapture()...

ShouldAutoDetectCssSelector

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright.Tests.BaseTests;7{8    {9        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]10        [Fact(Timeout = TestConstants.DefaultTestTimeout)]11        public async Task ShouldAutoDetectCssSelector()12        {13            await Page.SetContentAsync(@"14            ");15            var divs = await Page.EvalOnSelectorAllAsync<string>("div", "divs => divs.map(div => div.textContent)");16            Assert.Equal(new[] { "hello", "beautiful", "world!" }, divs);17        }18    }19}20{21    {22        Task<IEnumerable<IFrame>> EvalOnSelectorAllAsync(string selector, string script, object arg = null);23    }24}25{26    {27        public Task<IEnumerable<IFrame>> EvalOnSelectorAllAsync(string selector, string script, object arg = null) => this.EvaluateHandleAllAsync(selector, script, arg);28    }29}30{31    {

ShouldAutoDetectCssSelector

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-all.spec.ts", "should work")]9        [Fact(Timeout = TestConstants.DefaultTestTimeout)]10        public async Task ShouldWork()11        {12            await Page.SetContentAsync(@"13            ");14            var divsCount = await Page.EvalOnSelectorAllAsync<int>("css=div", "divs => divs.length");15            Assert.Equal(3, divsCount);16        }17        [PlaywrightTest("eval-on-selector-all.spec.ts", "should retrieve content from subtree")]18        [Fact(Timeout = TestConstants.DefaultTestTimeout)]19        public async Task ShouldRetrieveContentFromSubtree()20        {21            await Page.SetContentAsync(@"22            ");23            var divs = await Page.EvalOnSelectorAllAsync<string[]>("css=div.outer", "divs => divs.map(div => div.querySelector('div.inner').textContent)");24            Assert.Equal(new[] { "A", "B" }, divs);25        }26        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]27        [Fact(Timeout = TestConstants.DefaultTestTimeout)]28        public async Task ShouldAutoDetectCssSelector()29        {30            await Page.SetContentAsync(@"31            ");32            var id = await Page.EvalOnSelectorAllAsync<string>("section", "els => els[0].id");33            Assert.Equal("testAttribute", id);34        }35        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect xpath selector

ShouldAutoDetectCssSelector

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4{5    {6        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]7        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]8        public async Task ShouldAutoDetectCssSelector()9        {10            await Page.SetContentAsync("<div>hello</div><div>beautiful</div><div>world!</div>");11            var divsCount = await Page.EvaluateAsync<int>("(selector) => document.querySelectorAll(selector).length", "div");12            Assert.Equal(3, divsCount);13        }14    }15}16{17    {18        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]19        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]20        public async Task ShouldAutoDetectCssSelector()21        {22            await Page.SetContentAsync("<div>hello</div><div>beautiful</div><div>world!</div>");23            var divsCount = await Page.EvaluateAsync<int>("(selector) => document.querySelectorAll(selector).length", "div");24            Assert.Equal(3, divsCount);25        }26    }27}

ShouldAutoDetectCssSelector

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Microsoft.Playwright;7    using Microsoft.Playwright.NUnit;8    using NUnit.Framework;9    using NUnit.Framework.Interfaces;10    using NUnit.Framework.Internal;11    using NUnit.Framework.Internal.Commands;12    [Parallelizable(ParallelScope.Self)]13    {14        [PlaywrightTest("eval-on-selector-all.spec.ts", "should work")]15        [Test, Timeout(TestConstants.DefaultTestTimeout)]16        public async Task ShouldWork()17        {18            await Page.SetContentAsync("<section id=\"testAttribute\">43543</section>");19            var result = await Page.EvalOnSelectorAllAsync<int>("section", "e => e.id.length");20            Assert.AreEqual(new[] { 13 }, result);21        }22        [PlaywrightTest("eval-on-selector-all.spec.ts", "should retrieve content from subtree")]23        [Test, Timeout(TestConstants.DefaultTestTimeout)]24        public async Task ShouldRetrieveContentFromSubtree()25        {26            await Page.SetContentAsync("<div><section>test</section></div>");27            var result = await Page.EvalOnSelectorAllAsync<string>("div", "e => e.textContent");28            Assert.AreEqual(new[] { "test" }, result);29        }30        [PlaywrightTest("eval-on-selector-all.spec.ts", "should return an empty array if nothing is found")]31        [Test, Timeout(TestConstants.DefaultTestTimeout)]32        public async Task ShouldReturnAnEmptyArrayIfNothingIsFound()33        {34            await Page.SetContentAsync("<div>nothing</div>");35            var result = await Page.EvalOnSelectorAllAsync<string>("section", "e => e.textContent");36            Assert.AreEqual(Array.Empty<string>(), result);37        }38        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect css selector")]39        [Test, Timeout(TestConstants.DefaultTestTimeout)]40        public async Task ShouldAutoDetectCssSelector()41        {42            await Page.SetContentAsync("<section>test</section>");43            var result = await Page.EvalOnSelectorAllAsync<string>("section", "e => e.textContent");44            Assert.AreEqual(new[] { "test" }, result);45        }46        [PlaywrightTest("eval-on-selector-all.spec.ts", "should auto-detect xpath selector")]47        [Test, Timeout(TestConstants.Default

ShouldAutoDetectCssSelector

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.Tests;

ShouldAutoDetectCssSelector

Using AI Code Generation

1{2    {3        public bool ShouldAutoDetectCssSelector()4        {5            return true;6        }7    }8}9{10    {11        public bool ShouldAutoDetectCssSelector()12        {13            return false;14        }15    }16}17{18    {19        public bool ShouldAutoDetectCssSelector()20        {21            return true;22        }23    }24}25{26    {27        public bool ShouldAutoDetectCssSelector()28        {29            return false;30        }31    }32}33{34    {35        public bool ShouldAutoDetectCssSelector()36        {37            return true;38        }39    }40}41{42    {43        public bool ShouldAutoDetectCssSelector()44        {45            return false;46        }47    }48}

ShouldAutoDetectCssSelector

Using AI Code Generation

1public async Task ShouldAutoDetectCssSelector()2{3    await Page.SetContentAsync(@"4    ");5    var divs = await Page.QuerySelectorAllAsync("div");6    var divsCount = await Page.EvaluateAsync<int>("divs => divs.length", divs);7    Assert.Equal(2, divsCount);8}9public async Task ShouldAutoDetectXPath()10{11    await Page.SetContentAsync(@"12    ");13    var divsCount = await Page.EvaluateAsync<int>("divs => divs.length", divs);14    Assert.Equal(2, divsCount);15}16public async Task ShouldThrowErrorIfNoElementIsFound()17{18    var exception = await Assert.ThrowsAnyAsync<PlaywrightException>(() => Page.QuerySelectorAllAsync("div"));19    Assert.Contains("failed to find element matching selector \"div\"", exception.Message);20}21public async Task ShouldReturnEmptyArrayIfNothingIsFound()22{23    var elements = await Page.QuerySelectorAllAsync("div");24    Assert.Equal(0, elements.Length);25}26public async Task ShouldSupportAllLocators()27{28    await Page.SetContentAsync(@"29    ");30    var divs = await Page.QuerySelectorAllAsync("css=div");

ShouldAutoDetectCssSelector

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5{6    {7        public async Task TestMethod()8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.EvalOnSelectorAllAsync("css=foo", "foo => foo");15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21using Microsoft.Playwright.Tests;22{23    {24        public async Task TestMethod()25        {26            using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions28            {29            });30            var page = await browser.NewPageAsync();31            await page.EvalOnSelectorAllAsync("xpath=foo", "foo => foo");32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38using Microsoft.Playwright.Tests;39{40    {41        public async Task TestMethod()42        {43            using var playwright = await Playwright.CreateAsync();44            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions45            {46            });47            var page = await browser.NewPageAsync();48            await page.EvalOnSelectorAllAsync("text=foo", "foo => foo");49        }50    }51}

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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