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

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

Page.cs

Source:Page.cs

...605        public Task UnrouteAsync(Regex urlString, Action<IRoute> handler)606            => UnrouteAsync(urlString, null, handler);607        public Task UnrouteAsync(Func<string, bool> urlFunc, Action<IRoute> handler)608            => UnrouteAsync(null, urlFunc, handler);609        public Task WaitForLoadStateAsync(LoadState? state = default, PageWaitForLoadStateOptions options = default)610            => MainFrame.WaitForLoadStateAsync(state, new() { Timeout = options?.Timeout });611        public Task SetViewportSizeAsync(int width, int height)612        {613            ViewportSize = new() { Width = width, Height = height };614            return _channel.SetViewportSizeAsync(ViewportSize);615        }616        public Task SetCheckedAsync(string selector, bool checkedState, PageSetCheckedOptions options = null)617            => checkedState ?618            MainFrame.CheckAsync(selector, new()619            {620                Position = options?.Position,621                Force = options?.Force,622                NoWaitAfter = options?.NoWaitAfter,623                Strict = options?.Strict,624                Timeout = options?.Timeout,...

Frame.cs

Source:Frame.cs

...121                noWaitAfter: options?.NoWaitAfter,122                strict: options?.Strict,123                force: options?.Force,124                timeout: options?.Timeout).ConfigureAwait(false)).ToList().AsReadOnly();125        public async Task WaitForLoadStateAsync(LoadState? state = default, FrameWaitForLoadStateOptions options = default)126        {127            Task<WaitUntilState> task;128            Waiter waiter = null;129            WaitUntilState loadState = Microsoft.Playwright.WaitUntilState.Load;130            switch (state)131            {132                case Microsoft.Playwright.LoadState.Load:133                    loadState = Microsoft.Playwright.WaitUntilState.Load;134                    break;135                case Microsoft.Playwright.LoadState.DOMContentLoaded:136                    loadState = Microsoft.Playwright.WaitUntilState.DOMContentLoaded;137                    break;138                case Microsoft.Playwright.LoadState.NetworkIdle:139                    loadState = Microsoft.Playwright.WaitUntilState.NetworkIdle;140                    break;141            }142            try143            {144                lock (_loadStates)145                {146                    if (_loadStates.Contains(loadState))147                    {148                        return;149                    }150                    waiter = SetupNavigationWaiter("frame.WaitForLoadStateAsync", options?.Timeout);151                    task = waiter.WaitForEventAsync<WaitUntilState>(this, "LoadState", s =>152                    {153                        waiter.Log($"  \"{s}\" event fired");154                        return s == loadState;155                    });156                }157                await task.ConfigureAwait(false);158            }159            finally160            {161                waiter?.Dispose();162            }163        }164        public async Task<IResponse> WaitForNavigationAsync(FrameWaitForNavigationOptions options = default)165        {166            WaitUntilState waitUntil2 = options?.WaitUntil ?? WaitUntilState.Load;167            using var waiter = SetupNavigationWaiter("frame.WaitForNavigationAsync", options?.Timeout);168            string toUrl = !string.IsNullOrEmpty(options?.UrlString) ? $" to \"{options?.UrlString}\"" : string.Empty;169            waiter.Log($"waiting for navigation{toUrl} until \"{waitUntil2}\"");170            var navigatedEventTask = waiter.WaitForEventAsync<FrameNavigatedEventArgs>(171                this,172                "Navigated",173                e =>174                {175                    // Any failed navigation results in a rejection.176                    if (e.Error != null)177                    {178                        return true;179                    }180                    waiter.Log($"  navigated to \"{e.Url}\"");181                    return UrlMatches(e.Url, options?.UrlString, options?.UrlRegex, options?.UrlFunc);182                });183            var navigatedEvent = await navigatedEventTask.ConfigureAwait(false);184            if (navigatedEvent.Error != null)185            {186                var ex = new PlaywrightException(navigatedEvent.Error);187                await waiter.WaitForPromiseAsync(Task.FromException<object>(ex)).ConfigureAwait(false);188            }189            if (!_loadStates.Select(s => s.ToValueString()).Contains(waitUntil2.ToValueString()))190            {191                await waiter.WaitForEventAsync<WaitUntilState>(192                    this,193                    "LoadState",194                    e =>195                    {196                        waiter.Log($"  \"{e}\" event fired");197                        return e.ToValueString() == waitUntil2.ToValueString();198                    }).ConfigureAwait(false);199            }200            var request = navigatedEvent.NewDocument?.Request?.Object;201            var response = request != null202                ? await waiter.WaitForPromiseAsync(request.FinalRequest.ResponseAsync()).ConfigureAwait(false)203                : null;204            return response;205        }206        public async Task<IResponse> RunAndWaitForNavigationAsync(Func<Task> action, FrameRunAndWaitForNavigationOptions options = default)207        {208            var result = WaitForNavigationAsync(new()209            {210                UrlString = options?.UrlString,211                UrlRegex = options?.UrlRegex,212                UrlFunc = options?.UrlFunc,213                WaitUntil = options?.WaitUntil,214                Timeout = options?.Timeout,215            });216            if (action != null)217            {218                await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);219            }220            return await result.ConfigureAwait(false);221        }222        public Task TapAsync(string selector, FrameTapOptions options = default)223            => _channel.TapAsync(224                selector,225                modifiers: options?.Modifiers,226                position: options?.Position,227                timeout: options?.Timeout,228                force: options?.Force,229                noWaitAfter: options?.NoWaitAfter,230                trial: options?.Trial,231                strict: options?.Strict);232        internal Task<int> QueryCountAsync(string selector)233            => _channel.QueryCountAsync(selector);234        public Task<string> ContentAsync() => _channel.ContentAsync();235        public Task FocusAsync(string selector, FrameFocusOptions options = default)236            => _channel.FocusAsync(selector, options?.Timeout, options?.Strict);237        public Task TypeAsync(string selector, string text, FrameTypeOptions options = default)238            => _channel.TypeAsync(239                selector,240                text,241                delay: options?.Delay,242                timeout: options?.Timeout,243                noWaitAfter: options?.NoWaitAfter,244                strict: options?.Strict);245        public Task<string> GetAttributeAsync(string selector, string name, FrameGetAttributeOptions options = default)246            => _channel.GetAttributeAsync(selector, name, options?.Timeout, options?.Strict);247        public Task<string> InnerHTMLAsync(string selector, FrameInnerHTMLOptions options = default)248            => _channel.InnerHTMLAsync(selector, options?.Timeout, options?.Strict);249        public Task<string> InnerTextAsync(string selector, FrameInnerTextOptions options = default)250            => _channel.InnerTextAsync(selector, options?.Timeout, options?.Strict);251        public Task<string> TextContentAsync(string selector, FrameTextContentOptions options = default)252            => _channel.TextContentAsync(selector, options?.Timeout, options?.Strict);253        public Task HoverAsync(string selector, FrameHoverOptions options = default)254            => _channel.HoverAsync(255                selector,256                position: options?.Position,257                modifiers: options?.Modifiers,258                force: options?.Force,259                timeout: options?.Timeout,260                trial: options?.Trial,261                strict: options?.Strict);262        public Task PressAsync(string selector, string key, FramePressOptions options = default)263            => _channel.PressAsync(264                selector,265                key,266                delay: options?.Delay,267                timeout: options?.Timeout,268                noWaitAfter: options?.NoWaitAfter,269                strict: options?.Strict);270        public Task DispatchEventAsync(string selector, string type, object eventInit = default, FrameDispatchEventOptions options = default)271            => _channel.DispatchEventAsync(272                    selector,273                    type,274                    ScriptsHelper.SerializedArgument(eventInit),275                    options?.Timeout,276                    options?.Strict);277        public Task FillAsync(string selector, string value, FrameFillOptions options = default)278            => _channel.FillAsync(selector, value, force: options?.Force, timeout: options?.Timeout, noWaitAfter: options?.NoWaitAfter, options?.Strict);279        public async Task<IElementHandle> AddScriptTagAsync(FrameAddScriptTagOptions options = default)280        {281            var content = options?.Content;282            if (!string.IsNullOrEmpty(options?.Path))283            {284                content = File.ReadAllText(options.Path);285                content += "//# sourceURL=" + options.Path.Replace("\n", string.Empty);286            }287            return (await _channel.AddScriptTagAsync(options?.Url, options?.Path, content, options?.Type).ConfigureAwait(false)).Object;288        }289        public async Task<IElementHandle> AddStyleTagAsync(FrameAddStyleTagOptions options = default)290        {291            var content = options?.Content;292            if (!string.IsNullOrEmpty(options?.Path))293            {294                content = File.ReadAllText(options.Path);295                content += "//# sourceURL=" + options.Path.Replace("\n", string.Empty);296            }297            return (await _channel.AddStyleTagAsync(options?.Url, options?.Path, content).ConfigureAwait(false)).Object;298        }299        public Task SetInputFilesAsync(string selector, string files, FrameSetInputFilesOptions options = default)300            => SetInputFilesAsync(selector, new[] { files }, options);301        public async Task SetInputFilesAsync(string selector, IEnumerable<string> files, FrameSetInputFilesOptions options = default)302        {303            var converted = await SetInputFilesHelpers.ConvertInputFilesAsync(files, (BrowserContext)Page.Context).ConfigureAwait(false);304            if (converted.Files != null)305            {306                await _channel.SetInputFilesAsync(selector, converted.Files, options?.NoWaitAfter, options?.Timeout, options?.Strict).ConfigureAwait(false);307            }308            else309            {310                await _channel.SetInputFilePathsAsync(selector, converted?.LocalPaths, converted?.Streams, options?.NoWaitAfter, options?.Timeout, options?.Strict).ConfigureAwait(false);311            }312        }313        public Task SetInputFilesAsync(string selector, FilePayload files, FrameSetInputFilesOptions options = default)314            => SetInputFilesAsync(selector, new[] { files }, options);315        public async Task SetInputFilesAsync(string selector, IEnumerable<FilePayload> files, FrameSetInputFilesOptions options = default)316        {317            var converted = SetInputFilesHelpers.ConvertInputFiles(files);318            await _channel.SetInputFilesAsync(selector, converted.Files, noWaitAfter: options?.NoWaitAfter, timeout: options?.Timeout, options?.Strict).ConfigureAwait(false);319        }320        public Task ClickAsync(string selector, FrameClickOptions options = default)321            => _channel.ClickAsync(322                selector,323                delay: options?.Delay,324                button: options?.Button,325                clickCount: options?.ClickCount,326                modifiers: options?.Modifiers,327                position: options?.Position,328                timeout: options?.Timeout,329                force: options?.Force,330                noWaitAfter: options?.NoWaitAfter,331                trial: options?.Trial,332                strict: options?.Strict);333        public Task DblClickAsync(string selector, FrameDblClickOptions options = default)334            => _channel.DblClickAsync(335                selector,336                delay: options?.Delay,337                button: options?.Button,338                position: options?.Position,339                modifiers: options?.Modifiers,340                timeout: options?.Timeout,341                force: options?.Force,342                noWaitAfter: options?.NoWaitAfter,343                trial: options?.Trial,344                strict: options?.Strict);345        public Task CheckAsync(string selector, FrameCheckOptions options = default)346            => _channel.CheckAsync(347                selector,348                position: options?.Position,349                timeout: options?.Timeout,350                force: options?.Force,351                noWaitAfter: options?.NoWaitAfter,352                trial: options?.Trial,353                strict: options?.Strict);354        public Task UncheckAsync(string selector, FrameUncheckOptions options = default)355            => _channel.UncheckAsync(356                selector,357                position: options?.Position,358                timeout: options?.Timeout,359                force: options?.Force,360                noWaitAfter: options?.NoWaitAfter,361                trial: options?.Trial,362                strict: options?.Strict);363        public Task SetCheckedAsync(string selector, bool checkedState, FrameSetCheckedOptions options = null)364            => checkedState ?365            _channel.CheckAsync(366                selector,367                position: options?.Position,368                timeout: options?.Timeout,369                force: options?.Force,370                noWaitAfter: options?.NoWaitAfter,371                trial: options?.Trial,372                strict: options?.Strict)373            : _channel.UncheckAsync(374                selector,375                position: options?.Position,376                timeout: options?.Timeout,377                force: options?.Force,378                noWaitAfter: options?.NoWaitAfter,379                trial: options?.Trial,380                strict: options?.Strict);381        public Task SetContentAsync(string html, FrameSetContentOptions options = default)382            => _channel.SetContentAsync(html, timeout: options?.Timeout, waitUntil: options?.WaitUntil);383        public Task<string> InputValueAsync(string selector, FrameInputValueOptions options = null)384            => _channel.InputValueAsync(selector, options?.Timeout, options?.Strict);385        public async Task<IElementHandle> QuerySelectorAsync(string selector)386            => (await _channel.QuerySelectorAsync(selector).ConfigureAwait(false))?.Object;387        public async Task<IReadOnlyList<IElementHandle>> QuerySelectorAllAsync(string selector)388            => (await _channel.QuerySelectorAllAsync(selector).ConfigureAwait(false)).Select(c => ((ElementHandleChannel)c).Object).ToList().AsReadOnly();389        public async Task<IJSHandle> WaitForFunctionAsync(string expression, object arg = default, FrameWaitForFunctionOptions options = default)390             => (await _channel.WaitForFunctionAsync(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)418            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(419                script,420                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));421        public async Task<JsonElement?> EvalOnSelectorAsync(string selector, string script, object arg = null)422            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvalOnSelectorAsync(423                selector: selector,424                script,425                arg: ScriptsHelper.SerializedArgument(arg),426                strict: null).ConfigureAwait(false));427        public async Task<T> EvalOnSelectorAsync<T>(string selector, string script, object arg = null)428            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAsync(429                selector: selector,430                script,431                arg: ScriptsHelper.SerializedArgument(arg),432                strict: null).ConfigureAwait(false));433        public async Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object arg = null, FrameEvalOnSelectorOptions options = null)434            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAsync(435                selector: selector,436                expression,437                arg: ScriptsHelper.SerializedArgument(arg),438                strict: options?.Strict).ConfigureAwait(false));439        public async Task<JsonElement?> EvalOnSelectorAllAsync(string selector, string script, object arg = null)440            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvalOnSelectorAllAsync(441                selector: selector,442                script,443                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));444        public async Task<T> EvalOnSelectorAllAsync<T>(string selector, string script, object arg = null)445            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAllAsync(446                selector: selector,447                script,448                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));449        public ILocator Locator(string selector, FrameLocatorOptions options = null) => new Locator(this, selector, new() { HasTextRegex = options?.HasTextRegex, HasTextString = options?.HasTextString, Has = options?.Has });450        public async Task<IElementHandle> QuerySelectorAsync(string selector, FrameQuerySelectorOptions options = null)451            => (await _channel.QuerySelectorAsync(selector, options?.Strict).ConfigureAwait(false))?.Object;452        public async Task<IResponse> GotoAsync(string url, FrameGotoOptions options = default)453            => (await _channel.GotoAsync(454                url,455                timeout: options?.Timeout,456                waitUntil: options?.WaitUntil,457                referer: options?.Referer).ConfigureAwait(false))?.Object;458        public Task<bool> IsCheckedAsync(string selector, FrameIsCheckedOptions options = default)459            => _channel.IsCheckedAsync(selector, timeout: options?.Timeout, options?.Strict);460        public Task<bool> IsDisabledAsync(string selector, FrameIsDisabledOptions options = default)461            => _channel.IsDisabledAsync(selector, timeout: options?.Timeout, options?.Strict);462        public Task<bool> IsEditableAsync(string selector, FrameIsEditableOptions options = default)463            => _channel.IsEditableAsync(selector, timeout: options?.Timeout, options?.Strict);464        public Task<bool> IsEnabledAsync(string selector, FrameIsEnabledOptions options = default)465            => _channel.IsEnabledAsync(selector, timeout: options?.Timeout, options?.Strict);466#pragma warning disable CS0612 // Type or member is obsolete467        public Task<bool> IsHiddenAsync(string selector, FrameIsHiddenOptions options = default)468            => _channel.IsHiddenAsync(selector, timeout: options?.Timeout, options?.Strict);469        public Task<bool> IsVisibleAsync(string selector, FrameIsVisibleOptions options = default)470            => _channel.IsVisibleAsync(selector, timeout: options?.Timeout, options?.Strict);471#pragma warning restore CS0612 // Type or member is obsolete472        public Task WaitForURLAsync(string url, FrameWaitForURLOptions options = default)473            => WaitForURLAsync(url, null, null, options);474        public Task WaitForURLAsync(Regex url, FrameWaitForURLOptions options = default)475            => WaitForURLAsync(null, url, null, options);476        public Task WaitForURLAsync(Func<string, bool> url, FrameWaitForURLOptions options = default)477            => WaitForURLAsync(null, null, url, options);478        public Task DragAndDropAsync(string source, string target, FrameDragAndDropOptions options = null)479            => _channel.DragAndDropAsync(source, target, options?.Force, options?.NoWaitAfter, options?.Timeout, options?.Trial, options?.Strict);480        internal Task<FrameExpectResult> ExpectAsync(string selector, string expression, FrameExpectOptions options = null) =>481            _channel.ExpectAsync(selector, expression, expressionArg: options?.ExpressionArg, expectedText: options?.ExpectedText, expectedNumber: options?.ExpectedNumber, expectedValue: options?.ExpectedValue, useInnerText: options?.UseInnerText, isNot: options?.IsNot, timeout: options?.Timeout);482        private Task WaitForURLAsync(string urlString, Regex urlRegex, Func<string, bool> urlFunc, FrameWaitForURLOptions options = default)483        {484            if (UrlMatches(Url, urlString, urlRegex, urlFunc))485            {486                return WaitForLoadStateAsync(ToLoadState(options?.WaitUntil), new() { Timeout = options?.Timeout });487            }488            return WaitForNavigationAsync(489                new()490                {491                    UrlString = urlString,492                    UrlRegex = urlRegex,493                    UrlFunc = urlFunc,494                    Timeout = options?.Timeout,495                    WaitUntil = options?.WaitUntil,496                });497        }498        private LoadState? ToLoadState(WaitUntilState? waitUntilState)499        {500            if (waitUntilState == null)...

FrameChannel.cs

Source:FrameChannel.cs

...202                ["waitUntil"] = waitUntil,203            };204            return Connection.SendMessageToServerAsync<ResponseChannel>(Guid, "waitForNavigation", param);205        }206        internal Task WaitForLoadStateAsync(LoadState? state, float? timeout)207        {208            var param = new Dictionary<string, object>209            {210                ["timeout"] = timeout,211                ["state"] = state,212            };213            return Connection.SendMessageToServerAsync(214                Guid,215                "waitForLoadState",216                param);217        }218        internal async Task<int> QueryCountAsync(string selector)219        {220            var args = new Dictionary<string, object>...

PageAutoWaitingBasicTests.cs

Source:PageAutoWaitingBasicTests.cs

...199            });200            await Page.SetContentAsync($"<a href=\"{Server.EmptyPage}\">empty.html</a>");201            var clickLoaded = new TaskCompletionSource<bool>();202            await TaskUtils.WhenAll(203                Page.ClickAsync("a").ContinueWith(_ => Page.WaitForLoadStateAsync(LoadState.Load).ContinueWith(_ =>204                {205                    messages.Add("clickload");206                    clickLoaded.TrySetResult(true);207                })),208                clickLoaded.Task,209                Page.WaitForNavigationAsync(new() { WaitUntil = WaitUntilState.DOMContentLoaded }).ContinueWith(_ => messages.Add("domcontentloaded")));210            Assert.AreEqual("route|domcontentloaded|clickload", string.Join("|", messages));211        }212        [PlaywrightTest("page-autowaiting-basic.spec.ts", "should work with goto following click")]213        public async Task ShouldWorkWithGotoFollowingClick()214        {215            var messages = new List<string>();216            Server.SetRoute("/empty.html", context =>217            {...

PageNetworkIdleTests.cs

Source:PageNetworkIdleTests.cs

...122                var popupTask = Page.WaitForPopupAsync();123                await Task.WhenAll(124                    Page.WaitForPopupAsync(),125                    Page.ClickAsync("#box" + i));126                await popupTask.Result.WaitForLoadStateAsync(LoadState.NetworkIdle);127            }128        }129        private async Task NetworkIdleTestAsync(IFrame frame, Func<Task> action = default, bool isSetContent = false)130        {131            var lastResponseFinished = new Stopwatch();132            var responses = new ConcurrentDictionary<string, TaskCompletionSource<bool>>();133            var fetches = new Dictionary<string, TaskCompletionSource<bool>>();134            async Task RequestDelegate(HttpContext context)135            {136                var taskCompletion = new TaskCompletionSource<bool>();137                responses[context.Request.Path] = taskCompletion;138                fetches[context.Request.Path].TrySetResult(true);139                await taskCompletion.Task;140                lastResponseFinished.Restart();...

PageWaitForLoadStateTests.cs

Source:PageWaitForLoadStateTests.cs

...48                }49            });50            var navigationTask = Page.GotoAsync(Server.Prefix + "/one-style.html");51            await waitForRequestTask;52            var waitLoadTask = Page.WaitForLoadStateAsync();53            responseTask.TrySetResult(true);54            await waitLoadTask;55            await navigationTask;56        }57        [PlaywrightTest("page-wait-for-load-state.ts", "should respect timeout")]58        public async Task ShouldRespectTimeout()59        {60            Server.SetRoute("/one-style.css", _ => Task.Delay(Timeout.Infinite));61            await Page.GotoAsync(Server.Prefix + "/one-style.html", new() { WaitUntil = WaitUntilState.DOMContentLoaded });62            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.WaitForLoadStateAsync(LoadState.Load, new() { Timeout = 1 }));63            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);64        }65        [PlaywrightTest("page-wait-for-load-state.ts", "should resolve immediately if loaded")]66        public async Task ShouldResolveImmediatelyIfLoaded()67        {68            await Page.GotoAsync(Server.Prefix + "/one-style.html");69            await Page.WaitForLoadStateAsync();70        }71        [PlaywrightTest("page-wait-for-load-state.ts", "should resolve immediately if load state matches")]72        public async Task ShouldResolveImmediatelyIfLoadStateMatches()73        {74            var responseTask = new TaskCompletionSource<bool>();75            var waitForRequestTask = Server.WaitForRequest("/one-style.css");76            Server.SetRoute("/one-style.css", async (ctx) =>77            {78                if (await responseTask.Task)79                {80                    ctx.Response.StatusCode = 404;81                    await ctx.Response.WriteAsync("File not found");82                }83            });84            var navigationTask = Page.GotoAsync(Server.Prefix + "/one-style.html");85            await waitForRequestTask;86            await Page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);87            responseTask.TrySetResult(true);88            await navigationTask;89        }90        [PlaywrightTest("page-wait-for-load-state.ts", "should work with pages that have loaded before being connected to")]91        [Skip(SkipAttribute.Targets.Firefox, SkipAttribute.Targets.Webkit)]92        public async Task ShouldWorkWithPagesThatHaveLoadedBeforeBeingConnectedTo()93        {94            await Page.GotoAsync(Server.EmptyPage);95            await Page.EvaluateAsync(@"async () => {96                const child = window.open(document.location.href);97                while (child.document.readyState !== 'complete' || child.document.location.href === 'about:blank')98                  await new Promise(f => setTimeout(f, 100));99            }");100            var pages = Context.Pages;101            Assert.AreEqual(2, pages.Count);102            // order is not guaranteed103            var mainPage = pages.FirstOrDefault(p => ReferenceEquals(Page, p));104            var connectedPage = pages.Single(p => !ReferenceEquals(Page, p));105            Assert.NotNull(mainPage);106            Assert.AreEqual(Server.EmptyPage, mainPage.Url);107            Assert.AreEqual(Server.EmptyPage, connectedPage.Url);108            await connectedPage.WaitForLoadStateAsync();109            Assert.AreEqual(Server.EmptyPage, connectedPage.Url);110        }111        [PlaywrightTest("page-wait-for-load-state.spec.ts", "should work for frame")]112        public async Task ShouldWorkForFrame()113        {114            await Page.GotoAsync(Server.Prefix + "/frames/one-frame.html");115            var frame = Page.Frames.ElementAt(1);116            TaskCompletionSource<bool> requestTask = new TaskCompletionSource<bool>();117            TaskCompletionSource<bool> routeReachedTask = new TaskCompletionSource<bool>();118            await Page.RouteAsync(Server.Prefix + "/one-style.css", async (route) =>119            {120                routeReachedTask.TrySetResult(true);121                await requestTask.Task;122                await route.ContinueAsync();123            });124            await frame.GotoAsync(Server.Prefix + "/one-style.html", new() { WaitUntil = WaitUntilState.DOMContentLoaded });125            await routeReachedTask.Task;126            var loadTask = frame.WaitForLoadStateAsync();127            await Page.EvaluateAsync("1");128            Assert.False(loadTask.IsCompleted);129            requestTask.TrySetResult(true);130            await loadTask;131        }132    }133}...

WaitForLoadStateAsync

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            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);15            await page.ScreenshotAsync("screenshot.png");16            await browser.CloseAsync();17        }18    }19}20using System;21using System.Threading.Tasks;22using Microsoft.Playwright;23{24    {25        static async Task Main(string[] args)26        {27            using var playwright = await Playwright.CreateAsync();28            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions29            {30            });31            var context = await browser.NewContextAsync();32            var page = await context.NewPageAsync();33            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded, 10000);34            await page.ScreenshotAsync("screenshot.png");35            await browser.CloseAsync();36        }37    }38}

WaitForLoadStateAsync

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.Firefox.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);12        }13    }14}15using System;16using System.Threading.Tasks;17using Microsoft.Playwright;18{19    {20        static async Task Main(string[] args)21        {22            using var playwright = await Playwright.CreateAsync();23            await using var browser = await playwright.Firefox.LaunchAsync();24            var page = await browser.NewPageAsync();25            await page.WaitForNavigationAsync();26        }27    }28}29using System;30using System.Threading.Tasks;31using Microsoft.Playwright;32{33    {34        static async Task Main(string[] args)35        {36            using var playwright = await Playwright.CreateAsync();37            await using var browser = await playwright.Firefox.LaunchAsync();38            var page = await browser.NewPageAsync();39            var request = await page.WaitForRequestAsync("**/*");40        }41    }42}43using System;44using System.Threading.Tasks;45using Microsoft.Playwright;46{47    {48        static async Task Main(string[] args)49        {50            using var playwright = await Playwright.CreateAsync();51            await using var browser = await playwright.Firefox.LaunchAsync();52            var page = await browser.NewPageAsync();53            var response = await page.WaitForResponseAsync("**/*");54        }55    }56}

WaitForLoadStateAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;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 BrowserTypeLaunchOptions { Headless = false });9            var page = await browser.NewPageAsync();10            await page.ClickAsync("input[name=q]");11            await page.FillAsync("input[name=q]", "Hello World");12            await page.PressAsync("input[name=q]", "Enter");13            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);14            await page.ScreenshotAsync("screenshot.png");15        }16    }17}

WaitForLoadStateAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;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            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);15            await page.WaitForLoadStateAsync();16            await page.WaitForLoadStateAsync(LoadState.NetworkIdle);17            await page.WaitForTimeoutAsync(5000);18            await browser.CloseAsync();19        }20    }21}

WaitForLoadStateAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync();11            var context = await browser.NewContextAsync();12            var page = await context.NewPageAsync();13            await page.WaitForLoadStateAsync(LoadState.Networkidle);14            await page.WaitForSelectorAsync("text=Sign in");15            await page.ClickAsync("text=

WaitForLoadStateAsync

Using AI Code Generation

1var frame = await page.MainFrame();2await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded);3var frame = await page.MainFrame();4await frame.WaitForLoadStateAsync(LoadState.Load);5var frame = await page.MainFrame();6await frame.WaitForLoadStateAsync(LoadState.NetworkIdle);7var frame = await page.MainFrame();8await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded, LoadState.Load);9var frame = await page.MainFrame();10await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded, LoadState.Load, LoadState.NetworkIdle);11var frame = await page.MainFrame();12await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded, LoadState.NetworkIdle);13var frame = await page.MainFrame();14await frame.WaitForLoadStateAsync(LoadState.Load, LoadState.NetworkIdle);15var frame = await page.MainFrame();16await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded, LoadState.Load, LoadState.NetworkIdle, TimeSpan.FromSeconds(2));17var frame = await page.MainFrame();18await frame.WaitForLoadStateAsync(LoadState.DOMContentLoaded, LoadState.Load, LoadState.NetworkIdle, TimeSpan

WaitForLoadStateAsync

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3using Microsoft.Playwright.Core;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            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            await page.ClickAsync("text=Sign in");13            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);14            await page.ScreenshotAsync("2.png");15        }16    }17}

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.