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How to use LocatorEvaluateOptions class of Microsoft.Playwright package

Best Playwright-dotnet code snippet using Microsoft.Playwright.LocatorEvaluateOptions

LocatorSynchronous.cs

Source:LocatorSynchronous.cs

...928    public static IReadOnlyList<IElementHandle> ElementHandles(this ILocator locator)929    {930        return locator.ElementHandlesAsync().GetAwaiter().GetResult();931    }932    public static JsonElement? Evaluate(this ILocator locator, string expression, object? arg = null, LocatorEvaluateOptions? options = null)933    {934        return locator.EvaluateAsync(expression, arg, options).GetAwaiter().GetResult();935    }936    /// <summary>937    /// <para>Returns the return value of <paramref name="expression"/>.</para>938    /// <para>This method passes this handle as the first argument to <paramref name="expression"/>.</para>939    /// <para>940    /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <c>handle.evaluate</c>941    /// would wait for the promise to resolve and return its value.942    /// </para>943    /// <para>Examples:</para>944    /// <code>945    /// var tweets = page.Locator(".tweet .retweets");<br/>946    /// Assert.AreEqual("10 retweets", await tweets.EvaluateAsync("node =&gt; node.innerText"));947    /// </code>948    /// </summary>949    /// <param name="expression">950    /// JavaScript expression to be evaluated in the browser context. If it looks like a951    /// function declaration, it is interpreted as a function. Otherwise, evaluated as an952    /// expression.953    /// </param>954    /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>955    /// <param name="options">Call options</param>956    public static T Evaluate<T>(this ILocator locator, string expression, object? arg = null, LocatorEvaluateOptions? options = null)957    {958        return locator.EvaluateAsync<T>(expression, arg, options).GetAwaiter().GetResult();959    }960    /// <summary>961    /// <para>962    /// The method finds all elements matching the specified locator and passes an array963    /// of matched elements as a first argument to <paramref name="expression"/>. Returns964    /// the result of <paramref name="expression"/> invocation.965    /// </para>966    /// <para>967    /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="ILocator.EvaluateAllAsync"/>968    /// would wait for the promise to resolve and return its value.969    /// </para>970    /// <para>Examples:</para>...

Locator.cs

Source:Locator.cs

...111        public Task<IReadOnlyList<IElementHandle>> ElementHandlesAsync()112            => _frame.QuerySelectorAllAsync(_selector);113        public Task<T> EvaluateAllAsync<T>(string expression, object arg = null)114            => _frame.EvalOnSelectorAllAsync<T>(_selector, expression, arg);115        public Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null)116            => EvaluateAsync<JsonElement?>(expression, arg, options);117        public Task<T> EvaluateAsync<T>(string expression, object arg = null, LocatorEvaluateOptions options = null)118            => _frame.EvalOnSelectorAsync<T>(_selector, expression, arg, ConvertOptions<FrameEvalOnSelectorOptions>(options));119        public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null, LocatorEvaluateHandleOptions options = null)120            => await WithElementAsync(async (e, _) => await e.EvaluateHandleAsync(expression, arg).ConfigureAwait(false), options).ConfigureAwait(false);121        public async Task FillAsync(string value, LocatorFillOptions options = null)122            => await _frame.FillAsync(_selector, value, ConvertOptions<FrameFillOptions>(options)).ConfigureAwait(false);123        public Task FocusAsync(LocatorFocusOptions options = null)124            => _frame.FocusAsync(_selector, ConvertOptions<FrameFocusOptions>(options));125        IFrameLocator ILocator.FrameLocator(string selector) =>126            new FrameLocator(_frame, $"{_selector} >> {selector}");127        public Task<string> GetAttributeAsync(string name, LocatorGetAttributeOptions options = null)128            => _frame.GetAttributeAsync(_selector, name, ConvertOptions<FrameGetAttributeOptions>(options));129        public Task HoverAsync(LocatorHoverOptions options = null)130            => _frame.HoverAsync(_selector, ConvertOptions<FrameHoverOptions>(options));131        public Task<string> InnerHTMLAsync(LocatorInnerHTMLOptions options = null)...

LocatorEvaluateOptions.cs

Source:LocatorEvaluateOptions.cs

...35using System.Threading.Tasks;36#nullable enable37namespace Microsoft.Playwright38{39    public class LocatorEvaluateOptions40    {41        public LocatorEvaluateOptions() { }42        public LocatorEvaluateOptions(LocatorEvaluateOptions clone)43        {44            if (clone == null)45            {46                return;47            }48            Timeout = clone.Timeout;49        }50        /// <summary>51        /// <para>52        /// Maximum time in milliseconds, defaults to 30 seconds, pass <c>0</c> to disable timeout.53        /// The default value can be changed by using the <see cref="IBrowserContext.SetDefaultTimeout"/>54        /// or <see cref="IPage.SetDefaultTimeout"/> methods.55        /// </para>56        /// </summary>...

ILocator.cs

Source:ILocator.cs

...26namespace Microsoft.Playwright27{28    public partial interface ILocator29    {30        Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null);31    }32}...

LocatorEvaluateOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main()7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            var element = await page.QuerySelectorAsync("input[name='q']");14            var value = await element.EvaluateAsync<string>("e => e.value");15            Console.WriteLine(value);16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main()25        {26            using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions28            {29            });30            var page = await browser.NewPageAsync();31            var element = await page.QuerySelectorAsync("input[name='q']");32            var value = await element.EvaluateHandleAsync("e => e.value");33            Console.WriteLine(value);34        }35    }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41    {42        static async Task Main()43        {44            using var playwright = await Playwright.CreateAsync();45            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions46            {47            });48            var page = await browser.NewPageAsync();49            var element = await page.QuerySelectorAsync("input[name='q']");50            await element.FillAsync("e => e.value", "Hello World");51            Console.WriteLine(element);52        }53    }54}55using Microsoft.Playwright;56using System;57using System.Threading.Tasks;58{59    {

LocatorEvaluateOptions

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)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            {15            };16            var locator = await page.LocatorAsync("a", locatorEvaluateOptions);17            var element = await locator.ElementAsync();18            var href = await element.GetAttributeAsync("href");19            Console.WriteLine(href);20            await browser.CloseAsync();21        }22    }23}

LocatorEvaluateOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.NUnit;5using NUnit.Framework;6{7    {8        public async Task LocatorEvaluateOptionsTest1()9        {10            await Page.SetContentAsync(@"11            ");12            var div = await Page.QuerySelectorAsync("#container");13            var text = await div.EvaluateAsync<string>("(nodes, suffix) => nodes[0].innerText + suffix", new LocatorEvaluateOptions { Elements = new[] { await Page.QuerySelectorAsync("#span1") } }, "a");14            Assert.AreEqual("1a", text);15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21using Microsoft.Playwright.NUnit;22using NUnit.Framework;23{24    {25        public async Task LocatorEvaluateOptionsTest1()26        {27            await Page.SetContentAsync(@"28            ");29            var div = await Page.QuerySelectorAsync("#container");30            var text = await div.EvaluateAsync<string>("(nodes, suffix) => nodes[0].innerText + suffix", new LocatorEvaluateOptions { Elements = new[] { await Page.QuerySelectorAsync("#span1") } }, "a");31            Assert.AreEqual("1a", text);32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38using Microsoft.Playwright.NUnit;39using NUnit.Framework;40{41    {42        public async Task LocatorEvaluateOptionsTest1()43        {

LocatorEvaluateOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static async Task Main(string[] args)10        {11            using var playwright = await Playwright.CreateAsync();12            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });13            var page = await browser.NewPageAsync();14            await page.FillAsync("input[title='Search']", "Playwright");15            await page.PressAsync("input[title='Search']", "Enter");16            var locator = page.Locator("div.g");17            var element = await locator.FirstAsync();18            Console.WriteLine(await element.EvaluateAsync<string>("(element) => element.textContent"));19            var elements = await locator.AllAsync();20            foreach (var e in elements)21            {22                Console.WriteLine(await e.EvaluateAsync<string>("(element) => element.textContent"));23            }24            var locator2 = page.Locator("div.g");25            var element2 = await locator2.FirstAsync();26            Console.WriteLine(await element2.EvaluateAsync<string>("(element) => element.textContent"));27            var elements2 = await locator2.AllAsync();28            foreach (var e in elements2)29            {30                Console.WriteLine(await e.EvaluateAsync<string>("(element) => element.textContent"));31            }32            var locator3 = page.Locator("div.g");33            var element3 = await locator3.FirstAsync();34            Console.WriteLine(await element3.EvaluateAsync<string>("(element) => element.textContent"));35            var elements3 = await locator3.AllAsync();36            foreach (var e in elements3)37            {38                Console.WriteLine(await e.EvaluateAsync<string>("(element) => element.textContent"));39            }40            var locator4 = page.Locator("div.g");41            var element4 = await locator4.FirstAsync();42            Console.WriteLine(await element4.EvaluateAsync<string>("(element) => element.textContent"));43            var elements4 = await locator4.AllAsync();44            foreach (var e in elements4)45            {46                Console.WriteLine(await e.EvaluateAsync<string>("(element) => element.textContent"));47            }48            var locator5 = page.Locator("div.g");

LocatorEvaluateOptions

Using AI Code Generation

1LocatorEvaluateOptions options = new LocatorEvaluateOptions();2options.Timeout = 10000;3options.AwaitPromise = true;4await page.LocatorEvaluateAsync("input[name='q']", "el => el.value = 'Hello'", options);5LocatorEvaluateOptions options = new LocatorEvaluateOptions();6options.Timeout = 10000;7options.AwaitPromise = true;8options.Arg = "Hello";9await page.LocatorEvaluateAsync("input[name='q']", "el => el.value = arg", options);10LocatorEvaluateOptions options = new LocatorEvaluateOptions();11options.Timeout = 10000;12options.AwaitPromise = true;13options.Arg = "Hello";14await page.LocatorEvaluateAsync("input[name='q']", "(el, arg) => el.value = arg", options);15LocatorEvaluateOptions options = new LocatorEvaluateOptions();16options.Timeout = 10000;17options.AwaitPromise = true;18options.Arg = "Hello";19await page.LocatorEvaluateAsync("input[name='q']", "(el, arg) => el.value = arg", options);20LocatorEvaluateOptions options = new LocatorEvaluateOptions();21options.Timeout = 10000;22options.AwaitPromise = true;23options.Arg = "Hello";24await page.LocatorEvaluateAsync("input[name='q']", "(el, arg) => el.value = arg", options);25LocatorEvaluateOptions options = new LocatorEvaluateOptions();26options.Timeout = 10000;27options.AwaitPromise = true;28options.Arg = "Hello";29await page.LocatorEvaluateAsync("input[name='q']", "(el, arg) => el.value = arg", options);30LocatorEvaluateOptions options = new LocatorEvaluateOptions();31options.Timeout = 10000;32options.AwaitPromise = true;33options.Arg = "Hello";34await page.LocatorEvaluateAsync("input[name='q']", "(el, arg) => el.value = arg",

Playwright tutorial

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What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
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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