Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use WaitForSelectorAsync method of Microsoft.Playwright.Core.Frame class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Frame.WaitForSelectorAsync

Page.cs

Source:Page.cs

...440                Force = options?.Force,441                Strict = options?.Strict,442            });443        public Task WaitForTimeoutAsync(float timeout) => MainFrame.WaitForTimeoutAsync(timeout);444        public Task<IElementHandle> WaitForSelectorAsync(string selector, PageWaitForSelectorOptions options = default)445            => MainFrame.WaitForSelectorAsync(selector, new()446            {447                State = options?.State,448                Timeout = options?.Timeout,449                Strict = options?.Strict,450            });451        public Task<JsonElement?> EvaluateAsync(string expression, object arg) => MainFrame.EvaluateAsync(expression, arg);452        public async Task<byte[]> ScreenshotAsync(PageScreenshotOptions options = default)453        {454            options ??= new PageScreenshotOptions();455            if (options.Type == null && !string.IsNullOrEmpty(options.Path))456            {457                options.Type = ElementHandle.DetermineScreenshotType(options.Path);458            }459            byte[] result = await _channel.ScreenshotAsync(...

Frame.cs

Source:Frame.cs

...391                expression: expression,392                arg: ScriptsHelper.SerializedArgument(arg),393                timeout: options?.Timeout,394                polling: options?.PollingInterval).ConfigureAwait(false)).Object;395        public async Task<IElementHandle> WaitForSelectorAsync(string selector, FrameWaitForSelectorOptions options = default)396            => (await _channel.WaitForSelectorAsync(397                selector: selector,398                state: options?.State,399                timeout: options?.Timeout,400                strict: options?.Strict,401                omitReturnValue: false).ConfigureAwait(false))?.Object;402        public async Task<IElementHandle> LocatorWaitForAsync(string selector, LocatorWaitForOptions options = default)403            => (await _channel.WaitForSelectorAsync(404                selector: selector,405                state: options?.State,406                timeout: options?.Timeout,407                strict: true,408                omitReturnValue: true).ConfigureAwait(false))?.Object;409        public async Task<IJSHandle> EvaluateHandleAsync(string script, object args = null)410            => (await _channel.EvaluateExpressionHandleAsync(411                script,412                arg: ScriptsHelper.SerializedArgument(args)).ConfigureAwait(false))?.Object;413        public async Task<JsonElement?> EvaluateAsync(string script, object arg = null)414            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvaluateExpressionAsync(415                script,416                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));417        public async Task<T> EvaluateAsync<T>(string script, object arg = null)...

ProcessService.cs

Source:ProcessService.cs

...348        private async Task<bool> ElementExists(string selector, IPage page, string selectorType, bool closePage = true)349        {350            try351            {352                await page.WaitForSelectorAsync(selector, new PageWaitForSelectorOptions{Timeout = 3000});353                return true;354            }355            catch (Exception e)356            {357                //await page.PauseAsync();358                359                _logger?.LogError(e, "Unable to find {SelectorType} for advert at {PageUrl}", selectorType, page.Url.AsFullUrl(_searchSettings.Domain));360                if (closePage)361                    await page.CloseAsync();362                return false;363            }364        }365        /// <summary>366        /// Checks that an element exists in a frame367        /// </summary>368        /// <param name="selector"></param>369        /// <param name="frame"></param>370        /// <param name="selectorType"></param>371        /// <returns></returns>372        private async Task<bool> ElementExists(string selector, IFrame frame, string selectorType)373        {374            try375            {376                await frame.WaitForSelectorAsync(selector, new FrameWaitForSelectorOptions{Timeout = 3000});377                return true;378            }379            catch (Exception e)380            {381                _logger?.LogError(e, "Unable to find {SelectorType} for advert at {FrameUrl}", selectorType, frame.Url);382                return false;383            }384        }385    }386}...

ElementHandleChannel.cs

Source:ElementHandleChannel.cs

...48                    PreviewUpdated?.Invoke(this, new() { Preview = serverParams.Value.GetProperty("preview").ToString() });49                    break;50            }51        }52        internal Task<ElementHandleChannel> WaitForSelectorAsync(string selector, WaitForSelectorState? state, float? timeout, bool? strict)53        {54            var args = new Dictionary<string, object>55            {56                ["selector"] = selector,57                ["timeout"] = timeout,58                ["state"] = state,59                ["strict"] = strict,60            };61            return Connection.SendMessageToServerAsync<ElementHandleChannel>(62                Guid,63                "waitForSelector",64                args);65        }66        internal Task<ElementHandleChannel> QuerySelectorAsync(string selector)...

Locator.cs

Source:Locator.cs

...104            => _frame.DispatchEventAsync(_selector, type, eventInit, ConvertOptions<FrameDispatchEventOptions>(options));105        public Task DragToAsync(ILocator target, LocatorDragToOptions options = null)106            => _frame.DragAndDropAsync(_selector, ((Locator)target)._selector, ConvertOptions<FrameDragAndDropOptions>(options));107        public async Task<IElementHandle> ElementHandleAsync(LocatorElementHandleOptions options = null)108            => await _frame.WaitForSelectorAsync(109                _selector,110                ConvertOptions<FrameWaitForSelectorOptions>(options)).ConfigureAwait(false);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);...

ElementHandle.cs

Source:ElementHandle.cs

...43        }44        ChannelBase IChannelOwner.Channel => _channel;45        IChannel<ElementHandle> IChannelOwner<ElementHandle>.Channel => _channel;46        internal IChannel<ElementHandle> ElementChannel => _channel;47        public async Task<IElementHandle> WaitForSelectorAsync(string selector, ElementHandleWaitForSelectorOptions options = default)48            => (await _channel.WaitForSelectorAsync(49                selector: selector,50                state: options?.State,51                timeout: options?.Timeout,52                strict: options?.Strict).ConfigureAwait(false))?.Object;53        public Task WaitForElementStateAsync(ElementState state, ElementHandleWaitForElementStateOptions options = default)54            => _channel.WaitForElementStateAsync(state, timeout: options?.Timeout);55        public Task PressAsync(string key, ElementHandlePressOptions options = default)56            => _channel.PressAsync(57                key,58                delay: options?.Delay,59                timeout: options?.Timeout,60                noWaitAfter: options?.NoWaitAfter);61        public Task TypeAsync(string text, ElementHandleTypeOptions options = default)62            => _channel.TypeAsync(text, delay: options?.Delay, timeout: options?.Timeout, noWaitAfter: options?.NoWaitAfter);...

BlazorServerTemplateTest.cs

Source:BlazorServerTemplateTest.cs

...129        await page.WaitForWebSocketAsync(new() { Predicate = (s) => framesReceived == 2 });130        await page.WaitForWebSocketAsync(new() { Predicate = (s) => framesSent == 2 });131        socket.FrameReceived -= FrameReceived;132        socket.FrameSent -= FrameSent;133        await page.WaitForSelectorAsync("nav");134        // <title> element gets project ID injected into it during template execution135        Assert.Equal("Index", (await page.TitleAsync()).Trim());136        // Initially displays the home page137        await page.WaitForSelectorAsync("h1 >> text=Hello, world!");138        // Can navigate to the counter page139        await page.ClickAsync("a[href=counter] >> text=Counter");140        await page.WaitForSelectorAsync("h1+p >> text=Current count: 0");141        // Clicking the counter button works142        await page.ClickAsync("p+button >> text=Click me");143        await page.WaitForSelectorAsync("h1+p >> text=Current count: 1");144        // Can navigate to the 'fetch data' page145        await page.ClickAsync("a[href=fetchdata] >> text=Fetch data");146        await page.WaitForSelectorAsync("h1 >> text=Weather forecast");147        // Asynchronously loads and displays the table of weather forecasts148        await page.WaitForSelectorAsync("table>tbody>tr");149        Assert.Equal(5, await page.Locator("p+table>tbody>tr").CountAsync());150    }151    [Theory(Skip = "https://github.com/dotnet/aspnetcore/issues/30882")]152    [InlineData("IndividualB2C", null)]153    [InlineData("IndividualB2C", new string[] { "--called-api-url \"https://graph.microsoft.com\"", "--called-api-scopes user.readwrite" })]154    [InlineData("SingleOrg", null)]155    [InlineData("SingleOrg", new string[] { "--called-api-url \"https://graph.microsoft.com\"", "--called-api-scopes user.readwrite" })]156    [InlineData("SingleOrg", new string[] { "--calls-graph" })]157    public Task BlazorServerTemplate_IdentityWeb_BuildAndPublish(string auth, string[] args)158        => CreateBuildPublishAsync("blazorserveridweb" + Guid.NewGuid().ToString().Substring(0, 10).ToLowerInvariant(), auth, args);159}...

BinaryHttpClientTest.cs

Source:BinaryHttpClientTest.cs

...54                await socket.WaitForEventAsync(WebSocketEvent.FrameSent);55                // JS interop call to intercept navigation56                await socket.WaitForEventAsync(WebSocketEvent.FrameReceived);57                await socket.WaitForEventAsync(WebSocketEvent.FrameSent);58                await page.WaitForSelectorAsync("ul");*/59                await page.CloseAsync();60            }61            //IssueRequest("/subdir/api/data");62            //Assert.Equal("OK", _responseStatus.Text);63            //Assert.Equal("OK", _responseStatusText.Text);64            //Assert.Equal("", _testOutcome.Text);65        }66        private void IssueRequest()67        {68            //var targetUri = new Uri(_apiServerFixture.RootUri, relativeUri);69            //SetValue("request-uri", targetUri.AbsoluteUri);70            //_appElement.FindElement(By.Id("send-request")).Click();71            //_responseStatus = Browser.Exists(By.Id("response-status"));72            //_responseStatusText = _appElement.FindElement(By.Id("response-status-text"));...

WaitForSelectorAsync

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.WaitForSelectorAsync("input[title='Search']");13            await page.TypeAsync("input[title='Search']", "Hello World");14            await page.ClickAsync("input[value='Google Search']");15            await page.WaitForSelectorAsync("div#result-stats");16            await page.ScreenshotAsync("result.png");17        }18    }19}

WaitForSelectorAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync(new BrowserNewContextOptions13            {14                ViewportSize = new ViewportSize { Width = 1920, Height = 1080 }15            });16            var page = await context.NewPageAsync();17            await page.WaitForSelectorAsync("input[name='q']");18            await page.TypeAsync("input[name='q']", "Hello World!");19            await page.Keyboard.PressAsync("Enter");20            await page.WaitForNavigationAsync();21            await page.ScreenshotAsync("screenshot.png");22        }23    }24}

WaitForSelectorAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)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 elementHandle = await page.WaitForSelectorAsync("input[name='q']");14            await elementHandle.TypeAsync("Hello World!");15            Console.WriteLine("Hello World!");16        }17    }18}

WaitForSelectorAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.WaitForSelectorAsync("input[name='q']");15            await page.TypeAsync("input[name='q']", "playwright");16            await page.PressAsync("input[name='q']", "Enter");17            await page.WaitForSelectorAsync("text='Playwright'");18            await page.ScreenshotAsync("screenshot.png");19            await browser.CloseAsync();20        }21    }22}

WaitForSelectorAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            await using var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            var searchBar = await page.WaitForSelectorAsync("input[name='q']");13            await searchBar.TypeAsync("Playwright");14            await page.ClickAsync("input[value='Google Search']");15            await page.WaitForSelectorAsync("h3");16            var results = await page.QuerySelectorAllAsync("h3");17            foreach (var result in results)18            {19                Console.WriteLine(await result.TextContentAsync());20            }21        }22    }23}24using System;25using System.Threading.Tasks;26using Microsoft.Playwright;27{28    {29        static async Task Main(string[] args)30        {31            using var playwright = await Playwright.CreateAsync();32            await using var browser = await playwright.Chromium.LaunchAsync();33            await using var context = await browser.NewContextAsync();34            var page = await context.NewPageAsync();35            var searchBar = await page.WaitForSelectorAsync("input[name='q']");36            await searchBar.TypeAsync("Playwright");37            await page.ClickAsync("input[value='Google Search']");38            await page.WaitForSelectorAsync("h3");

WaitForSelectorAsync

Using AI Code Generation

1using Microsoft.Playwright;2IPage page = await browser.NewPageAsync();3await page.WaitForSelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");4using Microsoft.Playwright;5IPage page = await browser.NewPageAsync();6await page.WaitForSelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");7using Microsoft.Playwright;8IPage page = await browser.NewPageAsync();9IElementHandle elementHandle = await page.QuerySelectorAsync("body");10await elementHandle.WaitForSelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");11using Microsoft.Playwright;12IPage page = await browser.NewPageAsync();13IJSHandle jSHandle = await page.EvaluateHandleAsync("document");14await jSHandle.WaitForSelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");15using Microsoft.Playwright;16IPage page = await browser.NewPageAsync();17IFrame frame = page.MainFrame;18await frame.WaitForSelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");19using Microsoft.Playwright;20IPage page = await browser.NewPageAsync();

WaitForSelectorAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.TypeAsync("input[title='Search']", "Playwright");14            await page.ClickAsync("input[value='Google Search']");15            await page.WaitForSelectorAsync("text=Playwright: End-to-end testing for modern web apps");16            await page.ClickAsync("text=Playwright: End-to-end testing for modern web apps");17            await page.WaitForLoadStateAsync(LoadState.Networkidle);18            await browser.CloseAsync();19        }20    }21}

WaitForSelectorAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)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            await page.WaitForSelectorAsync("input[name=q]");14            await page.TypeAsync("input[name=q]", "Playwright");15            await page.ClickAsync("input[value='Google Search']");16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)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 searchBox = await page.WaitForSelectorAsync("input[name=q]");32            await searchBox.TypeAsync("Playwright");

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.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
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.