How to use Dispose method of Microsoft.Playwright.Transport.Connection class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Connection.Dispose

Connection.cs

Source:Connection.cs Github

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...56 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<IChannelOwner>(this));57 // Workaround for https://github.com/dotnet/runtime/issues/4652258 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerListToGuidListConverter<WritableStream>(this));59 }60 /// <inheritdoc cref="IDisposable.Dispose"/>61 ~Connection() => Dispose(false);62 internal event EventHandler<string> Close;63 public ConcurrentDictionary<string, IChannelOwner> Objects { get; } = new();64 internal AsyncLocal<List<ApiZone>> ApiZone { get; } = new();65 public bool IsClosed { get; private set; }66 internal bool IsRemote { get; set; }67 internal Func<object, Task> OnMessage { get; set; }68 internal JsonSerializerOptions DefaultJsonSerializerOptions { get; }69 public void Dispose()70 {71 Dispose(true);72 GC.SuppressFinalize(this);73 }74 internal Task<JsonElement?> SendMessageToServerAsync(75 string guid,76 string method,77 object args = null)78 => SendMessageToServerAsync<JsonElement?>(guid, method, args);79 internal Task<T> SendMessageToServerAsync<T>(80 string guid,81 string method,82 object args = null) => WrapApiCallAsync(() => InnerSendMessageToServerAsync<T>(guid, method, args));83 private async Task<T> InnerSendMessageToServerAsync<T>(84 string guid,85 string method,86 object args = null)87 {88 if (IsClosed)89 {90 throw new PlaywrightException($"Connection closed ({_reason})");91 }92 int id = Interlocked.Increment(ref _lastId);93 var tcs = new TaskCompletionSource<JsonElement?>(TaskCreationOptions.RunContinuationsAsynchronously);94 var callback = new ConnectionCallback95 {96 TaskCompletionSource = tcs,97 };98 _callbacks.TryAdd(id, callback);99 var sanitizedArgs = new Dictionary<string, object>();100 if (args != null)101 {102 if (args is IDictionary<string, object> dictionary && dictionary.Keys.Any(f => f != null))103 {104 foreach (var kv in dictionary)105 {106 if (kv.Value != null)107 {108 sanitizedArgs.Add(kv.Key, kv.Value);109 }110 }111 }112 else113 {114 foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(args))115 {116 object obj = propertyDescriptor.GetValue(args);117 if (obj != null)118 {119#pragma warning disable CA1845 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring120 string name = propertyDescriptor.Name.Substring(0, 1).ToLower() + propertyDescriptor.Name.Substring(1);121#pragma warning restore CA2000 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring122 sanitizedArgs.Add(name, obj);123 }124 }125 }126 }127 await _queue.EnqueueAsync(() =>128 {129 var message = new MessageRequest130 {131 Id = id,132 Guid = guid,133 Method = method,134 Params = sanitizedArgs,135 Metadata = ApiZone.Value[0],136 };137 TraceMessage("pw:channel:command", message);138 return OnMessage(message);139 }).ConfigureAwait(false);140 var result = await tcs.Task.ConfigureAwait(false);141 if (typeof(T) == typeof(JsonElement?))142 {143 return (T)(object)result?.Clone();144 }145 else if (result == null)146 {147 return default;148 }149 else if (typeof(ChannelBase).IsAssignableFrom(typeof(T)) || typeof(ChannelBase[]).IsAssignableFrom(typeof(T)))150 {151 var enumerate = result.Value.EnumerateObject();152 return enumerate.Any()153 ? enumerate.FirstOrDefault().Value.ToObject<T>(DefaultJsonSerializerOptions)154 : default;155 }156 else157 {158 return result.Value.ToObject<T>(DefaultJsonSerializerOptions);159 }160 }161 internal IChannelOwner GetObject(string guid)162 {163 Objects.TryGetValue(guid, out var result);164 return result;165 }166 internal void MarkAsRemote() => IsRemote = true;167 internal Task<PlaywrightImpl> InitializePlaywrightAsync()168 {169 return _rootObject.InitializeAsync();170 }171 internal void OnObjectCreated(string guid, IChannelOwner result)172 {173 Objects.TryAdd(guid, result);174 }175 internal void Dispatch(PlaywrightServerMessage message)176 {177 if (message.Id.HasValue)178 {179 TraceMessage("pw:channel:response", message);180 if (_callbacks.TryRemove(message.Id.Value, out var callback))181 {182 if (message.Error != null)183 {184 callback.TaskCompletionSource.TrySetException(CreateException(message.Error.Error));185 }186 else187 {188 callback.TaskCompletionSource.TrySetResult(message.Result);189 }190 }191 return;192 }193 TraceMessage("pw:channel:event", message);194 try195 {196 if (message.Method == "__create__")197 {198 var createObjectInfo = message.Params.Value.ToObject<CreateObjectInfo>(DefaultJsonSerializerOptions);199 CreateRemoteObject(message.Guid, createObjectInfo.Type, createObjectInfo.Guid, createObjectInfo.Initializer);200 return;201 }202 if (message.Method == "__dispose__")203 {204 Objects.TryGetValue(message.Guid, out var disableObject);205 disableObject?.DisposeOwner();206 return;207 }208 Objects.TryGetValue(message.Guid, out var obj);209 obj?.Channel?.OnMessage(message.Method, message.Params);210 }211 catch (Exception ex)212 {213 DoClose(ex);214 }215 }216 private void CreateRemoteObject(string parentGuid, ChannelOwnerType type, string guid, JsonElement? initializer)217 {218 IChannelOwner result = null;219 var parent = string.IsNullOrEmpty(parentGuid) ? _rootObject : Objects[parentGuid];220#pragma warning disable CA2000 // Dispose objects before losing scope221 switch (type)222 {223 case ChannelOwnerType.Artifact:224 result = new Artifact(parent, guid, initializer?.ToObject<ArtifactInitializer>(DefaultJsonSerializerOptions));225 break;226 case ChannelOwnerType.BindingCall:227 result = new BindingCall(parent, guid, initializer?.ToObject<BindingCallInitializer>(DefaultJsonSerializerOptions));228 break;229 case ChannelOwnerType.Playwright:230 result = new PlaywrightImpl(parent, guid, initializer?.ToObject<PlaywrightInitializer>(DefaultJsonSerializerOptions));231 break;232 case ChannelOwnerType.Browser:233 var browserInitializer = initializer?.ToObject<BrowserInitializer>(DefaultJsonSerializerOptions);234 result = new Browser(parent, guid, browserInitializer);235 break;236 case ChannelOwnerType.BrowserType:237 var browserTypeInitializer = initializer?.ToObject<BrowserTypeInitializer>(DefaultJsonSerializerOptions);238 result = new Core.BrowserType(parent, guid, browserTypeInitializer);239 break;240 case ChannelOwnerType.BrowserContext:241 var browserContextInitializer = initializer?.ToObject<BrowserContextInitializer>(DefaultJsonSerializerOptions);242 result = new BrowserContext(parent, guid, browserContextInitializer);243 break;244 case ChannelOwnerType.ConsoleMessage:245 result = new ConsoleMessage(parent, guid, initializer?.ToObject<ConsoleMessageInitializer>(DefaultJsonSerializerOptions));246 break;247 case ChannelOwnerType.Dialog:248 result = new Dialog(parent, guid, initializer?.ToObject<DialogInitializer>(DefaultJsonSerializerOptions));249 break;250 case ChannelOwnerType.ElementHandle:251 result = new ElementHandle(parent, guid, initializer?.ToObject<ElementHandleInitializer>(DefaultJsonSerializerOptions));252 break;253 case ChannelOwnerType.Frame:254 result = new Frame(parent, guid, initializer?.ToObject<FrameInitializer>(DefaultJsonSerializerOptions));255 break;256 case ChannelOwnerType.JSHandle:257 result = new JSHandle(parent, guid, initializer?.ToObject<JSHandleInitializer>(DefaultJsonSerializerOptions));258 break;259 case ChannelOwnerType.JsonPipe:260 result = new JsonPipe(parent, guid, initializer?.ToObject<JsonPipeInitializer>(DefaultJsonSerializerOptions));261 break;262 case ChannelOwnerType.LocalUtils:263 result = new LocalUtils(parent, guid, initializer);264 break;265 case ChannelOwnerType.Page:266 result = new Page(parent, guid, initializer?.ToObject<PageInitializer>(DefaultJsonSerializerOptions));267 break;268 case ChannelOwnerType.Request:269 result = new Request(parent, guid, initializer?.ToObject<RequestInitializer>(DefaultJsonSerializerOptions));270 break;271 case ChannelOwnerType.Response:272 result = new Response(parent, guid, initializer?.ToObject<ResponseInitializer>(DefaultJsonSerializerOptions));273 break;274 case ChannelOwnerType.Route:275 result = new Route(parent, guid, initializer?.ToObject<RouteInitializer>(DefaultJsonSerializerOptions));276 break;277 case ChannelOwnerType.Worker:278 result = new Worker(parent, guid, initializer?.ToObject<WorkerInitializer>(DefaultJsonSerializerOptions));279 break;280 case ChannelOwnerType.WebSocket:281 result = new WebSocket(parent, guid, initializer?.ToObject<WebSocketInitializer>(DefaultJsonSerializerOptions));282 break;283 case ChannelOwnerType.Selectors:284 result = new Selectors(parent, guid);285 break;286 case ChannelOwnerType.SocksSupport:287 result = new SocksSupport(parent, guid);288 break;289 case ChannelOwnerType.Stream:290 result = new Stream(parent, guid);291 break;292 case ChannelOwnerType.WritableStream:293 result = new WritableStream(parent, guid);294 break;295 case ChannelOwnerType.Tracing:296 result = new Tracing(parent, guid);297 break;298 default:299 TraceMessage("pw:dotnet", "Missing type " + type);300 break;301 }302#pragma warning restore CA2000303 Objects.TryAdd(guid, result);304 OnObjectCreated(guid, result);305 }306 private void DoClose(Exception ex)307 {308 TraceMessage("pw:dotnet", $"Connection Close: {ex.Message}\n{ex.StackTrace}");309 DoClose(ex.Message);310 }311 internal void DoClose(string reason)312 {313 _reason = string.IsNullOrEmpty(_reason) ? reason : _reason;314 if (!IsClosed)315 {316 foreach (var callback in _callbacks)317 {318 callback.Value.TaskCompletionSource.TrySetException(new PlaywrightException(reason));319 }320 Dispose();321 IsClosed = true;322 }323 }324 private Exception CreateException(PlaywrightServerError error)325 {326 if (string.IsNullOrEmpty(error.Message))327 {328 return new PlaywrightException(error.Value);329 }330 if (error.Name == "TimeoutError")331 {332 return new TimeoutException(error.Message);333 }334 return new PlaywrightException(error.Message);335 }336 private void Dispose(bool disposing)337 {338 if (!disposing)339 {340 return;341 }342 _queue.Dispose();343 Close.Invoke(this, "Connection disposed");344 }345 [Conditional("DEBUG")]346 internal void TraceMessage(string logLevel, object message)347 {348 string actualLogLevel = Environment.GetEnvironmentVariable("DEBUG");349 if (!string.IsNullOrEmpty(actualLogLevel))350 {351 if (!actualLogLevel.Contains(logLevel))352 {353 return;354 }355 if (!(message is string))356 {...

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Waiter.cs

Source:Waiter.cs Github

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...46 _channelOwner = channelOwner;47 var beforeArgs = new { info = new { @event = @event, waitId = _waitId, phase = "before" } };48 _channelOwner.Connection.SendMessageToServerAsync(_channelOwner.Channel.Guid, "waitForEventInfo", beforeArgs).IgnoreException();49 }50 public void Dispose()51 {52 if (!_disposed)53 {54 _disposed = true;55 foreach (var dispose in _dispose)56 {57 dispose();58 }59 var afterArgs = new { info = new { waitId = _waitId, phase = "after", error = _error } };60 _channelOwner.WrapApiCallAsync(() => _channelOwner.Connection.SendMessageToServerAsync(_channelOwner.Channel.Guid, "waitForEventInfo", afterArgs), true).IgnoreException();61 _cts.Cancel();62 _cts.Dispose();63 }64 }65 internal void Log(string log)66 {67 _logs.Add(log);68 var logArgs = new { info = new { waitId = _waitId, phase = "log", message = log } };69 _channelOwner.WrapApiCallAsync(() => _channelOwner.Connection.SendMessageToServerAsync(_channelOwner.Channel.Guid, "waitForEventInfo", logArgs), true).IgnoreException();70 }71 internal void RejectImmediately(Exception exception)72 {73 _immediateError = exception;74 }75 internal void RejectOnEvent<T>(76 object eventSource,77 string e,78 PlaywrightException navigationException,79 Func<T, bool> predicate = null)80 {81 if (eventSource == null)82 {83 return;84 }85 var (task, dispose) = GetWaitForEventTask(eventSource, e, predicate);86 RejectOn(87 task.ContinueWith(_ => throw navigationException, _cts.Token, TaskContinuationOptions.RunContinuationsAsynchronously, TaskScheduler.Current),88 dispose);89 }90 internal void RejectOnTimeout(int? timeout, string message)91 {92 if (timeout == null)93 {94 return;95 }96#pragma warning disable CA2000 // Dispose objects before losing scope97 var cts = new CancellationTokenSource();98#pragma warning restore CA2000 // Dispose objects before losing scope99 RejectOn(100 new TaskCompletionSource<bool>().Task.WithTimeout(timeout.Value, _ => new TimeoutException(message), cts.Token),101 () => cts.Cancel());102 }103 internal Task<T> WaitForEventAsync<T>(object eventSource, string e, Func<T, bool> predicate)104 {105 var (task, dispose) = GetWaitForEventTask(eventSource, e, predicate);106 return WaitForPromiseAsync(task, dispose);107 }108 internal Task<object> WaitForEventAsync(object eventSource, string e)109 {110 var (task, dispose) = GetWaitForEventTask<object>(eventSource, e, null);111 return WaitForPromiseAsync(task, dispose);112 }113 internal (Task<T> Task, Action Dispose) GetWaitForEventTask<T>(object eventSource, string e, Func<T, bool> predicate)114 {115 var info = eventSource.GetType().GetEvent(e) ?? eventSource.GetType().BaseType.GetEvent(e);116 var eventTsc = new TaskCompletionSource<T>();117 void EventHandler(object sender, T e)118 {119 try120 {121 if (predicate == null || predicate(e))122 {123 eventTsc.TrySetResult(e);124 }125 else126 {127 return;128 }129 }130 catch (Exception ex)131 {132 eventTsc.TrySetException(ex);133 }134 info.RemoveEventHandler(eventSource, (EventHandler<T>)EventHandler);135 }136 info.AddEventHandler(eventSource, (EventHandler<T>)EventHandler);137 return (eventTsc.Task, () => info.RemoveEventHandler(eventSource, (EventHandler<T>)EventHandler));138 }139 internal async Task<T> WaitForPromiseAsync<T>(Task<T> task, Action dispose = null)140 {141 try142 {143 if (_immediateError != null)144 {145 throw _immediateError;146 }147 var firstTask = await Task.WhenAny(Enumerable.Repeat(task, 1).Concat(_failures)).ConfigureAwait(false);148 dispose?.Invoke();149 await firstTask.ConfigureAwait(false);150 return await task.ConfigureAwait(false);151 }152 catch (TimeoutException ex)153 {154 dispose?.Invoke();155 _error = ex.ToString();156 Dispose();157 throw new TimeoutException(ex.Message + FormatLogRecording(_logs), ex);158 }159 catch (Exception ex)160 {161 dispose?.Invoke();162 _error = ex.ToString();163 Dispose();164 throw new PlaywrightException(ex.Message + FormatLogRecording(_logs), ex);165 }166 }167 private string FormatLogRecording(List<string> logs)168 {169 if (logs.Count == 0)170 {171 return string.Empty;172 }173 const string header = " logs ";174 const int headerLength = 60;175 int leftLength = (headerLength - header.Length) / 2;176 int rightLength = headerLength - header.Length - leftLength;177 string log = string.Join("\n", logs);...

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PlaywrightImpl.cs

Source:PlaywrightImpl.cs Github

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...54 _initializer.Chromium.Playwright = this;55 _initializer.Firefox.Playwright = this;56 _initializer.Webkit.Playwright = this;57 }58 ~PlaywrightImpl() => Dispose(false);59 Connection IChannelOwner.Connection => _connection;60 ChannelBase IChannelOwner.Channel => _channel;61 IChannel<PlaywrightImpl> IChannelOwner<PlaywrightImpl>.Channel => _channel;62 public IBrowserType Chromium { get => _initializer.Chromium; set => throw new NotSupportedException(); }63 public IBrowserType Firefox { get => _initializer.Firefox; set => throw new NotSupportedException(); }64 public IBrowserType Webkit { get => _initializer.Webkit; set => throw new NotSupportedException(); }65 public ISelectors Selectors => _initializer.Selectors;66 public IReadOnlyDictionary<string, BrowserNewContextOptions> Devices => _devices;67 internal Connection Connection { get; set; }68 internal Browser PreLaunchedBrowser => _initializer.PreLaunchedBrowser;69 internal LocalUtils Utils { get; set; }70 /// <summary>71 /// Gets a <see cref="IBrowserType"/>.72 /// </summary>73 /// <param name="browserType"><see cref="IBrowserType"/> name. You can get the names from <see cref="global::Microsoft.Playwright.BrowserType"/>.74 /// e.g.: <see cref="global::Microsoft.Playwright.BrowserType.Chromium"/>,75 /// <see cref="global::Microsoft.Playwright.BrowserType.Firefox"/> or <see cref="global::Microsoft.Playwright.BrowserType.Webkit"/>.76 /// </param>77 public IBrowserType this[string browserType]78 => browserType?.ToLower() switch79 {80 global::Microsoft.Playwright.BrowserType.Chromium => Chromium,81 global::Microsoft.Playwright.BrowserType.Firefox => Firefox,82 global::Microsoft.Playwright.BrowserType.Webkit => Webkit,83 _ => null,84 };85 public void Dispose()86 {87 Dispose(true);88 GC.SuppressFinalize(this);89 }90 private void Dispose(bool disposing)91 {92 if (!disposing)93 {94 return;95 }96 Connection?.Dispose();97 }98 }99}...

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JSHandle.cs

Source:JSHandle.cs Github

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...64 result[kv.Name] = kv.Value.Object;65 }66 return result;67 }68 public async ValueTask DisposeAsync() => await _channel.DisposeAsync().ConfigureAwait(false);69 public override string ToString() => Preview;70 }71}...

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JSHandleChannel.cs

Source:JSHandleChannel.cs Github

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...51 ["expression"] = script,52 ["arg"] = arg,53 });54 internal Task<JsonElement> JsonValueAsync() => Connection.SendMessageToServerAsync<JsonElement>(Guid, "jsonValue", null);55 internal Task DisposeAsync() => Connection.SendMessageToServerAsync(Guid, "dispose", null);56 internal Task<JSHandleChannel> GetPropertyAsync(string propertyName)57 => Connection.SendMessageToServerAsync<JSHandleChannel>(58 Guid,59 "getProperty",60 new Dictionary<string, object>61 {62 ["name"] = propertyName,63 });64 internal async Task<List<JSElementProperty>> GetPropertiesAsync()65 => (await Connection.SendMessageToServerAsync(Guid, "getPropertyList", null).ConfigureAwait(false))?66 .GetProperty("properties").ToObject<List<JSElementProperty>>(Connection.DefaultJsonSerializerOptions);67 internal class JSElementProperty68 {69 public string Name { get; set; }...

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ChannelOwnerBase.cs

Source:ChannelOwnerBase.cs Github

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...53 ConcurrentDictionary<string, IChannelOwner> IChannelOwner.Objects => _objects;54 internal string Guid { get; set; }55 internal IChannelOwner Parent { get; set; }56 /// <inheritdoc/>57 void IChannelOwner.DisposeOwner()58 {59 Parent?.Objects?.TryRemove(Guid, out var _);60 _connection?.Objects.TryRemove(Guid, out var _);61 foreach (var item in _objects.Values)62 {63 item.DisposeOwner();64 }65 _objects.Clear();66 }67 public Task<T> WrapApiCallAsync<T>(Func<Task<T>> action, bool isInternal = false) => _connection.WrapApiCallAsync(action, isInternal);68 public Task WrapApiBoundaryAsync(Func<Task> action) => _connection.WrapApiBoundaryAsync(action);69 }70}...

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Playwright.cs

Source:Playwright.cs Github

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...39 /// </summary>40 /// <returns>A <see cref="Task"/> that completes when the playwright driver is ready to be used.</returns>41 public static async Task<IPlaywright> CreateAsync()42 {43#pragma warning disable CA2000 // Dispose objects before losing scope44 var transport = new StdIOTransport();45#pragma warning restore CA200046 var connection = new Connection();47 transport.MessageReceived += (_, message) => connection.Dispatch(JsonSerializer.Deserialize<PlaywrightServerMessage>(message, JsonExtensions.DefaultJsonSerializerOptions));48 transport.LogReceived += (_, log) => Console.Error.WriteLine(log);49 transport.TransportClosed += (_, reason) => connection.DoClose(reason);50 connection.OnMessage = (message) => transport.SendAsync(JsonSerializer.SerializeToUtf8Bytes(message, connection.DefaultJsonSerializerOptions));51 connection.Close += (_, reason) => transport.Close(reason);52 var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);53 playwright.Connection = connection;54 return playwright;55 }56 }57} ...

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IChannelOwner.cs

Source:IChannelOwner.cs Github

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...45 ConcurrentDictionary<string, IChannelOwner> Objects { get; }46 /// <summary>47 /// Removes the object from the parent and the connection list.48 /// </summary>49 void DisposeOwner();50 Task<T> WrapApiCallAsync<T>(Func<Task<T>> action, bool isInternal = false);51 Task WrapApiBoundaryAsync(Func<Task> action);52 }53 /// <summary>54 /// An IChannelOwner has the ability to build data coming from a Playwright server and convert it into a Playwright class.55 /// </summary>56 /// <typeparam name="T">Channel Owner implementation.</typeparam>57 internal interface IChannelOwner<T> : IChannelOwner58 where T : ChannelOwnerBase, IChannelOwner<T>59 {60 /// <summary>61 /// Channel.62 /// </summary>63 new IChannel<T> Channel { get; }...

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Dispose

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1using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync())2{3 var browser = await playwright.Chromium.LaunchAsync();4 var page = await browser.NewPageAsync();5 await page.ScreenshotAsync(new ScreenshotOptions { Path = "screenshot.png" });6 await browser.CloseAsync();7}8using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync())9{10 var browser = await playwright.Chromium.LaunchAsync();11 var page = await browser.NewPageAsync();12 await page.ScreenshotAsync(new ScreenshotOptions { Path = "screenshot.png" });13 await browser.CloseAsync();14}15using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync())16{17 var browser = await playwright.Chromium.LaunchAsync();18 var page = await browser.NewPageAsync();19 await page.ScreenshotAsync(new ScreenshotOptions { Path = "screenshot.png" });20 await browser.CloseAsync();21}22using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync())23{24 var browser = await playwright.Chromium.LaunchAsync();25 var page = await browser.NewPageAsync();26 await page.ScreenshotAsync(new ScreenshotOptions { Path = "screenshot.png" });27 await browser.CloseAsync();28}29using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync())30{31 var browser = await playwright.Chromium.LaunchAsync();32 var page = await browser.NewPageAsync();33 await page.ScreenshotAsync(new ScreenshotOptions { Path = "screenshot.png" });34 await browser.CloseAsync();35}36using (var playwright = await Microsoft.Playwright.Playwright.CreateAsync

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Dispose

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1using Microsoft.Playwright;2var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });4var page = await browser.NewPageAsync();5await page.ScreenshotAsync("example.png");6await browser.CloseAsync();7var connection = playwright.GetConnection();8connection.Dispose();

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Dispose

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync();10 var page = await browser.NewPageAsync();11 await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });12 await browser.CloseAsync();13 }14 }15}

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Dispose

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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 page = await browser.NewPageAsync();13 await page.ScreenshotAsync(new PageScreenshotOptions14 {15 });16 await browser.CloseAsync();17 (playwright as IDisposable).Dispose();18 }19 }20}

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Dispose

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1using System;2using System.IO;3using System.Threading.Tasks;4using Microsoft.Playwright;5{6 {7 static async Task Main(string[] args)8 {9 var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });15 Console.WriteLine("Hello World!");16 }17 }18}19using System;20using System.IO;21using System.Threading.Tasks;22using Microsoft.Playwright;23{24 {25 static async Task Main(string[] args)26 {27 var playwright = await Playwright.CreateAsync();28 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions29 {30 });31 var page = await browser.NewPageAsync();32 await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });33 Console.WriteLine("Hello World!");34 }35 }36}37using System;38using System.IO;39using System.Threading.Tasks;40using Microsoft.Playwright;41{42 {43 static async Task Main(string[] args)44 {45 var playwright = await Playwright.CreateAsync();46 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions47 {48 });49 var page = await browser.NewPageAsync();50 await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });51 Console.WriteLine("Hello World!");52 }53 }54}55using System;56using System.IO;57using System.Threading.Tasks;58using Microsoft.Playwright;59{60 {61 static async Task Main(string[]

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Dispose

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport;5{6 {7 static async Task Main(string[] args)8 {9 var playwright = await Playwright.CreateAsync();10 var browser = await playwright.Chromium.LaunchAsync();11 var page = await browser.NewPageAsync();12 await page.ScreenshotAsync("google.png");13 await browser.CloseAsync();14 await playwright.StopAsync();15 await playwright.DisposeAsync();16 }17 }18}19 at Microsoft.Playwright.Transport.Connection.SendMessageToServerAsync[T](String guid, String method, Nullable`1 timeout, Object args, Boolean ignoreError)20 at Microsoft.Playwright.PlaywrightImpl.StopAsync()21 at PlaywrightTest.Program.Main(String[] args) in /home/.../2.cs:line 2222using System;23using System.Threading.Tasks;24using Microsoft.Playwright;25using Microsoft.Playwright.Transport;26{27 {28 static async Task Main(string[] args)29 {30 var playwright = await Playwright.CreateAsync();31 var browser = await playwright.Chromium.LaunchAsync();32 var page = await browser.NewPageAsync();33 await page.ScreenshotAsync("google.png");34 await browser.CloseAsync();35 await playwright.StopAsync();36 await playwright.DisposeAsync();37 }38 }39}40 at Microsoft.Playwright.PlaywrightImpl.StopAsync()41 at PlaywrightTest.Program.Main(String[] args) in /home/.../3.cs:line 2242using System;43using System.Threading.Tasks;44using Microsoft.Playwright;45using Microsoft.Playwright.Transport;46{47 {48 static async Task Main(string[]

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5 {6 static async Task Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 await using var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync();11 var page = await browser.NewPageAsync();12 await page.ScreenshotAsync("example.png");13 }14 }15}16using System;17using System.Threading.Tasks;18using Microsoft.Playwright;19{20 {21 static async Task Main(string[] args)22 {23 Console.WriteLine("Hello World!");24 await using var playwright = await Playwright.CreateAsync();25 await using var browser = await playwright.Chromium.LaunchAsync();26 var page = await browser.NewPageAsync();27 await page.ScreenshotAsync("example.png");28 }29 }30}31using System;32using System.Threading.Tasks;33using Microsoft.Playwright;34{35 {36 static async Task Main(string[] args)37 {38 Console.WriteLine("Hello World!");39 await using var playwright = await Playwright.CreateAsync();40 await using var browser = await playwright.Chromium.LaunchAsync();41 var page = await browser.NewPageAsync();42 await page.ScreenshotAsync("example.png");43 }44 }45}46using System;47using System.Threading.Tasks;48using Microsoft.Playwright;49{50 {51 static async Task Main(string[] args)52 {53 Console.WriteLine("Hello World!");54 await using var playwright = await Playwright.CreateAsync();55 await using var browser = await playwright.Chromium.LaunchAsync();56 var page = await browser.NewPageAsync();

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Transport;8using Microsoft.Playwright.Transport.Channels;9{10 {11 static void Main(string[] args)12 {13 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;14 var browser = playwright.Chromium.LaunchAsync().Result;15 var page = browser.NewPageAsync().Result;16 var title = page.TitleAsync().Result;17 Console.WriteLine(title);18 browser.CloseAsync().Wait();19 browser.Dispose();20 }21 }22}23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28using Microsoft.Playwright;29using Microsoft.Playwright.Transport;30using Microsoft.Playwright.Transport.Channels;31{32 {33 static void Main(string[] args)34 {35 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;36 var browser = playwright.Chromium.LaunchAsync().Result;37 var page = browser.NewPageAsync().Result;38 var title = page.TitleAsync().Result;39 Console.WriteLine(title);40 browser.CloseAsync().Wait();41 browser.Dispose();42 playwright.Dispose();43 }44 }45}46using System;47using System.Collections.Generic;48using System.Linq;49using System.Text;50using System.Threading.Tasks;51using Microsoft.Playwright;52using Microsoft.Playwright.Transport;53using Microsoft.Playwright.Transport.Channels;54{55 {56 static void Main(string[] args)57 {58 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;59 var browser = playwright.Chromium.LaunchAsync().Result;60 var page = browser.NewPageAsync().Result;61 var title = page.TitleAsync().Result;62 Console.WriteLine(title);63 browser.CloseAsync().Wait();64 browser.Dispose();65 playwright.Dispose();66 page.Dispose();67 }68 }69}

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport;5{6 {7 static async Task Main(string[] args)8 {9 using var playwright = await Playwright.CreateAsync();10 using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 using var page = await browser.NewPageAsync();14 await page.ScreenshotAsync("google.png");15 await browser.CloseAsync();16 Connection connection = browser.Context.Connection;17 connection.Dispose();18 }19 }20}

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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