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How to use LocatorEvaluateOptions method of Microsoft.Playwright.LocatorEvaluateOptions class

Best Playwright-dotnet code snippet using Microsoft.Playwright.LocatorEvaluateOptions.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.Threading.Tasks;3{4    static async Task Main(string[] args)5    {6        using var playwright = await Playwright.CreateAsync();7        await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });8        var page = await browser.NewPageAsync();9        var search = await page.QuerySelectorAsync("input[name='q']");10        await search.TypeAsync("Hello World");11        await page.Keyboard.PressAsync("Enter");12        await Task.Delay(2000);13        var results = await page.QuerySelectorAllAsync("div.g");14        var firstResult = await page.EvalOnSelectorAsync<string>("div.g", @"(div) => div.innerText");15        var firstResult2 = await page.EvalOnSelectorAsync<string>("div.g", @"(div) => div.innerText", new LocatorEvaluateOptions { Timeout = 3000 });16        var firstResult3 = await page.EvalOnSelectorAsync<string>("div.g", @"(div) => div.innerText", new LocatorEvaluateOptions { Force = true });17        var firstResult4 = await page.EvalOnSelectorAsync<string>("div.g", @"(div) => div.innerText", new LocatorEvaluateOptions { Timeout = 3000, Force = true });18    }19}20using Microsoft.Playwright;21using System.Threading.Tasks;22{23    static async Task Main(string[] args)24    {25        using var playwright = await Playwright.CreateAsync();26        await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });27        var page = await browser.NewPageAsync();28        var search = await page.QuerySelectorAsync("input[name='q']");29        await search.TypeAsync("Hello World");30        await page.Keyboard.PressAsync("Enter");31        await Task.Delay(2000);32        var results = await page.QuerySelectorAllAsync("div.g");33        var firstResult = await page.EvalOnSelectorAsync<string>("div.g", @"(div

LocatorEvaluateOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    static async Task Main()6    {7        using var playwright = await Playwright.CreateAsync();8        await using var browser = await playwright.Chromium.LaunchAsync();9        var context = await browser.NewContextAsync();10        var page = await context.NewPageAsync();11        var input = await page.QuerySelectorAsync("input[name='q']");12        var result = await input.EvaluateAsync<string>("input => input.value");13        Console.WriteLine(result);14        await browser.CloseAsync();15    }16}17using Microsoft.Playwright;18using System;19using System.Threading.Tasks;20{21    static async Task Main()22    {23        using var playwright = await Playwright.CreateAsync();24        await using var browser = await playwright.Chromium.LaunchAsync();25        var context = await browser.NewContextAsync();26        var page = await context.NewPageAsync();27        var input = await page.QuerySelectorAsync("input[name='q']");28        var result = await input.EvaluateAsync<string>("input => input.value");29        Console.WriteLine(result);30        await browser.CloseAsync();31    }32}33using Microsoft.Playwright;34using System;35using System.Threading.Tasks;36{37    static async Task Main()38    {39        using var playwright = await Playwright.CreateAsync();40        await using var browser = await playwright.Chromium.LaunchAsync();41        var context = await browser.NewContextAsync();42        var page = await context.NewPageAsync();43        var input = await page.QuerySelectorAsync("input[name='q']");44        var result = await input.EvaluateAsync<string>("input => input.value");45        Console.WriteLine(result);46        await browser.CloseAsync();47    }48}49using Microsoft.Playwright;50using System;51using System.Threading.Tasks;52{53    static async Task Main()54    {55        using var playwright = await Playwright.CreateAsync();

LocatorEvaluateOptions

Using AI Code Generation

1var page = await browser.NewPageAsync();2var locatorEvaluateOptions = new LocatorEvaluateOptions();3locatorEvaluateOptions.Args = new object[] { "input" };4locatorEvaluateOptions.Frame = page.MainFrame;5var result = await page.QuerySelectorAsync("body").LocatorEvaluateAsync<string>("el => el.nodeName.toLowerCase()", locatorEvaluateOptions);6Console.WriteLine(result);7var page = await browser.NewPageAsync();8var locatorEvaluateHandleOptions = new LocatorEvaluateHandleOptions();9locatorEvaluateHandleOptions.Args = new object[] { "input" };10locatorEvaluateHandleOptions.Frame = page.MainFrame;11var result = await page.QuerySelectorAsync("body").LocatorEvaluateHandleAsync("el => el.nodeName.toLowerCase()", locatorEvaluateHandleOptions);12Console.WriteLine(result);13var page = await browser.NewPageAsync();14var locatorFillOptions = new LocatorFillOptions();15locatorFillOptions.Timeout = 10000;16await page.QuerySelectorAsync("input[type='search']").LocatorFillAsync("Hello", locatorFillOptions);17var page = await browser.NewPageAsync();18var locatorFrameOptions = new LocatorFrameOptions();19locatorFrameOptions.Name = "frame1";20var frame = await page.QuerySelectorAsync("body").LocatorFrameAsync(locatorFrameOptions);21Console.WriteLine(frame);22var page = await browser.NewPageAsync();23var locatorHoverOptions = new LocatorHoverOptions();24locatorHoverOptions.Timeout = 10000;25await page.QuerySelectorAsync("input[type='search']").LocatorHoverAsync(locatorHoverOptions);26var page = await browser.NewPageAsync();27var locatorInnerTextOptions = new LocatorInnerTextOptions();28locatorInnerTextOptions.Timeout = 10000;

LocatorEvaluateOptions

Using AI Code Generation

1Locator locator = page.Locator("css selector", "button");2LocatorEvaluateOptions options = new LocatorEvaluateOptions();3options.SetForce(true);4options.SetTimeout(1000);5options.SetNoWaitAfter(true);6options.SetStrict(true);7options.SetWorld("utility");8locator.EvaluateAsync<string>(@"() => {9    return document.querySelector('button').innerText;10}", options);11Locator locator = page.Locator("css selector", "button");12LocatorEvaluateHandleOptions options = new LocatorEvaluateHandleOptions();13options.SetForce(true);14options.SetTimeout(1000);15options.SetNoWaitAfter(true);16options.SetStrict(true);17options.SetWorld("utility");18locator.EvaluateHandleAsync<string>(@"() => {19    return document.querySelector('button').innerText;20}", options);21Locator locator = page.Locator("css selector", "button");22LocatorFillOptions options = new LocatorFillOptions();23options.SetForce(true);24options.SetTimeout(1000);25options.SetNoWaitAfter(true);26options.SetStrict(true);27locator.FillAsync("button", options);28Locator locator = page.Locator("css selector", "button");29LocatorFrameOptions options = new LocatorFrameOptions();30options.SetName("name");31locator.FrameAsync(options);32Locator locator = page.Locator("css selector", "button");33LocatorHoverOptions options = new LocatorHoverOptions();34options.SetForce(true);35options.SetTimeout(1000);36options.SetNoWaitAfter(true);37options.SetStrict(true);38locator.HoverAsync(options);39Locator locator = page.Locator("css selector", "button");40LocatorInnerTextOptions options = new LocatorInnerTextOptions();41options.SetForce(true);42options.SetTimeout(1000);43options.SetNoWaitAfter(true);44options.SetStrict(true);45locator.InnerTextAsync(options);

LocatorEvaluateOptions

Using AI Code Generation

1var options = new LocatorEvaluateOptions();2options.Timeout = 5000;3var results = await locator.EvaluateAsync<string>(@"(elements, options) => {4    return elements.map(e => e.textContent);5}", options);6Console.WriteLine(results);7var options = new LocatorEvaluateHandleOptions();8options.Timeout = 5000;9var results = await locator.EvaluateHandleAsync(@"(elements, options) => {10    return elements.map(e => e.textContent);11}", options);12Console.WriteLine(results);13var options = new LocatorFillOptions();14options.Timeout = 5000;15await locator.FillAsync("hello", options);16var options = new LocatorFrameOptions();17options.Timeout = 5000;18var results = await locator.FrameAsync(options);19Console.WriteLine(results);20var options = new LocatorHoverOptions();21options.Timeout = 5000;22await locator.HoverAsync(options);23var options = new LocatorIsCheckedOptions();24options.Timeout = 5000;25var results = await locator.IsCheckedAsync(options);26Console.WriteLine(results);27var options = new LocatorIsDisabledOptions();28options.Timeout = 5000;29var results = await locator.IsDisabledAsync(options);30Console.WriteLine(results);

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
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.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
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Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.