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

Copied to Clipboard!

How to use Connection class of Microsoft.Playwright.Transport package

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

Connection.cs

Source:Connection.cs

...38using Microsoft.Playwright.Transport.Converters;39using Microsoft.Playwright.Transport.Protocol;40namespace Microsoft.Playwright.Transport41{42    internal class Connection : IDisposable43    {44        private readonly ConcurrentDictionary<int, ConnectionCallback> _callbacks = new();45        private readonly Root _rootObject;46        private readonly TaskQueue _queue = new();47        private int _lastId;48        private string _reason = string.Empty;49        public Connection()50        {51            _rootObject = new(null, this, string.Empty);52            DefaultJsonSerializerOptions = JsonExtensions.GetNewDefaultSerializerOptions();53            DefaultJsonSerializerOptions.Converters.Add(new ChannelToGuidConverter(this));54            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<JSHandle>(this));55            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<ElementHandle>(this));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                {357                    message = JsonSerializer.Serialize(message, DefaultJsonSerializerOptions);...

BrowserType.cs

Source:BrowserType.cs

...38        private readonly BrowserTypeChannel _channel;39        internal BrowserType(IChannelOwner parent, string guid, BrowserTypeInitializer initializer) : base(parent, guid)40        {41            _initializer = initializer;42            _channel = new(guid, parent.Connection, this);43        }44        ChannelBase IChannelOwner.Channel => _channel;45        IChannel<BrowserType> IChannelOwner<BrowserType>.Channel => _channel;46        internal PlaywrightImpl Playwright { get; set; }47        public string ExecutablePath => _initializer.ExecutablePath;48        public string Name => _initializer.Name;49        public async Task<IBrowser> LaunchAsync(BrowserTypeLaunchOptions options = default)50        {51            options ??= new BrowserTypeLaunchOptions();52            Browser browser = (await _channel.LaunchAsync(53                headless: options.Headless,54                channel: options.Channel,55                executablePath: options.ExecutablePath,56                passedArguments: options.Args,57                proxy: options.Proxy,58                downloadsPath: options.DownloadsPath,59                tracesDir: options.TracesDir,60                chromiumSandbox: options.ChromiumSandbox,61                firefoxUserPrefs: options.FirefoxUserPrefs,62                handleSIGINT: options.HandleSIGINT,63                handleSIGTERM: options.HandleSIGTERM,64                handleSIGHUP: options.HandleSIGHUP,65                timeout: options.Timeout,66                env: options.Env,67                devtools: options.Devtools,68                slowMo: options.SlowMo,69                ignoreDefaultArgs: options.IgnoreDefaultArgs,70                ignoreAllDefaultArgs: options.IgnoreAllDefaultArgs).ConfigureAwait(false)).Object;71            browser.LocalUtils = Playwright.Utils;72            return browser;73        }74        public async Task<IBrowserContext> LaunchPersistentContextAsync(string userDataDir, BrowserTypeLaunchPersistentContextOptions options = default)75        {76            options ??= new BrowserTypeLaunchPersistentContextOptions();77            var context = (await _channel.LaunchPersistentContextAsync(78                userDataDir,79                headless: options.Headless,80                channel: options.Channel,81                executablePath: options.ExecutablePath,82                args: options.Args,83                proxy: options.Proxy,84                downloadsPath: options.DownloadsPath,85                tracesDir: options.TracesDir,86                chromiumSandbox: options.ChromiumSandbox,87                handleSIGINT: options.HandleSIGINT,88                handleSIGTERM: options.HandleSIGTERM,89                handleSIGHUP: options.HandleSIGHUP,90                timeout: options.Timeout,91                env: options.Env,92                devtools: options.Devtools,93                slowMo: options.SlowMo,94                acceptDownloads: options.AcceptDownloads,95                ignoreHTTPSErrors: options.IgnoreHTTPSErrors,96                bypassCSP: options.BypassCSP,97                viewportSize: options.ViewportSize,98                screenSize: options.ScreenSize,99                userAgent: options.UserAgent,100                deviceScaleFactor: options.DeviceScaleFactor,101                isMobile: options.IsMobile,102                hasTouch: options.HasTouch,103                javaScriptEnabled: options.JavaScriptEnabled,104                timezoneId: options.TimezoneId,105                geolocation: options.Geolocation,106                locale: options.Locale,107                permissions: options.Permissions,108                extraHTTPHeaders: options.ExtraHTTPHeaders,109                offline: options.Offline,110                httpCredentials: options.HttpCredentials,111                colorScheme: options.ColorScheme,112                reducedMotion: options.ReducedMotion,113                recordHarPath: options.RecordHarPath,114                recordHarOmitContent: options.RecordHarOmitContent,115                recordVideo: Browser.GetVideoArgs(options.RecordVideoDir, options.RecordVideoSize),116                ignoreDefaultArgs: options.IgnoreDefaultArgs,117                ignoreAllDefaultArgs: options.IgnoreAllDefaultArgs,118                baseUrl: options.BaseURL,119                forcedColors: options.ForcedColors).ConfigureAwait(false)).Object;120            // TODO: unite with a single browser context options type which is derived from channels121            context.Options = new()122            {123                RecordVideoDir = options.RecordVideoDir,124                RecordVideoSize = options.RecordVideoSize,125                RecordHarPath = options.RecordHarPath,126                RecordHarOmitContent = options.RecordHarOmitContent,127            };128            ((Core.Tracing)context.Tracing).LocalUtils = Playwright.Utils;129            return context;130        }131        public async Task<IBrowser> ConnectAsync(string wsEndpoint, BrowserTypeConnectOptions options = null)132        {133            options ??= new BrowserTypeConnectOptions();134            var headers = new List<KeyValuePair<string, string>>(options.Headers ?? new Dictionary<string, string>())135            {136                new KeyValuePair<string, string>("x-playwright-browser", Name),137            }.ToDictionary(pair => pair.Key, pair => pair.Value);138            JsonPipe pipe = (await _channel.ConnectAsync(wsEndpoint: wsEndpoint, headers: headers, slowMo: options.SlowMo, timeout: options.Timeout).ConfigureAwait(false)).Object;139            void ClosePipe()140            {141                pipe.CloseAsync().IgnoreException();142            }143#pragma warning disable CA2000 // Dispose objects before losing scope144            var connection = new Connection();145#pragma warning restore CA2000146            connection.MarkAsRemote();147            connection.Close += (_, _) => ClosePipe();148            string closeError = null;149            Browser browser = null;150            void OnPipeClosed()151            {152                // Emulate all pages, contexts and the browser closing upon disconnect.153                foreach (BrowserContext context in browser?.BrowserContextsList.ToArray() ?? Array.Empty<BrowserContext>())154                {155                    foreach (Page page in context.PagesList.ToArray())156                    {157                        page.OnClose();158                    }159                    context.OnClose();160                }161                browser?.DidClose();162                connection.DoClose(closeError != null ? closeError : DriverMessages.BrowserClosedExceptionMessage);163            }164            pipe.Closed += (_, _) => OnPipeClosed();165            connection.OnMessage = async (object message) =>166            {167                try168                {169                    await pipe.SendAsync(message).ConfigureAwait(false);170                }171                catch (Exception e) when (DriverMessages.IsSafeCloseError(e))172                {173                    // swallow exception174                }175                catch176                {177                    OnPipeClosed();178                }179            };180            pipe.Message += (_, message) =>181            {182                try183                {184                    connection.Dispatch(message);185                }186                catch (Exception ex)187                {188                    closeError = ex.ToString();189                    _channel.Connection.TraceMessage("pw:dotnet", $"Dispatching error: {ex.Message}\n{ex.StackTrace}");190                    ClosePipe();191                }192            };193            async Task<IBrowser> CreateBrowserAsync()194            {195                var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);196                playwright.Connection = connection;197                if (playwright.PreLaunchedBrowser == null)198                {199                    ClosePipe();200                    throw new ArgumentException("Malformed endpoint. Did you use launchServer method?");201                }202                browser = playwright.PreLaunchedBrowser;203                browser.ShouldCloseConnectionOnClose = true;204                browser.Disconnected += (_, _) => ClosePipe();205                browser.LocalUtils = Playwright.Utils;206                return playwright.PreLaunchedBrowser;207            }208            var task = CreateBrowserAsync();209            var timeout = options?.Timeout != null ? (int)options.Timeout : 30_000;210            return await task.WithTimeout(timeout, _ => throw new TimeoutException($"BrowserType.ConnectAsync: Timeout {options.Timeout}ms exceeded")).ConfigureAwait(false);211        }212        public async Task<IBrowser> ConnectOverCDPAsync(string endpointURL, BrowserTypeConnectOverCDPOptions options = null)213        {214            if (Name != "chromium")215            {216                throw new ArgumentException("Connecting over CDP is only supported in Chromium.");217            }218            options ??= new BrowserTypeConnectOverCDPOptions();219            JsonElement result = await _channel.ConnectOverCDPAsync(endpointURL, headers: options.Headers, slowMo: options.SlowMo, timeout: options.Timeout).ConfigureAwait(false);220            Browser browser = result.GetProperty("browser").ToObject<Browser>(_channel.Connection.DefaultJsonSerializerOptions);221            if (result.TryGetProperty("defaultContext", out JsonElement defaultContextValue))222            {223                browser.BrowserContextsList.Add(defaultContextValue.ToObject<BrowserContext>(_channel.Connection.DefaultJsonSerializerOptions));224            }225            browser.LocalUtils = Playwright.Utils;226            return browser;227        }228    }229}...

PlaywrightImpl.cs

Source:PlaywrightImpl.cs

...37        /// </summary>38        public const int DefaultTimeout = 30_000;39        private readonly PlaywrightInitializer _initializer;40        private readonly PlaywrightChannel _channel;41        private readonly Connection _connection;42        private readonly Dictionary<string, BrowserNewContextOptions> _devices = new(StringComparer.InvariantCultureIgnoreCase);43        internal PlaywrightImpl(IChannelOwner parent, string guid, PlaywrightInitializer initializer)44             : base(parent, guid)45        {46            _connection = parent.Connection;47            _initializer = initializer;48            _channel = new(guid, parent.Connection, this);49            foreach (var entry in initializer.DeviceDescriptors)50            {51                _devices[entry.Name] = entry.Descriptor;52            }53            Utils = initializer.Utils;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}...

Artifact.cs

Source:Artifact.cs

...31namespace Microsoft.Playwright.Core32{33    internal class Artifact : ChannelOwnerBase, IChannelOwner<Artifact>34    {35        private readonly Connection _connection;36        private readonly ArtifactChannel _channel;37        internal Artifact(IChannelOwner parent, string guid, ArtifactInitializer initializer) : base(parent, guid)38        {39            _connection = parent.Connection;40            _channel = new(guid, parent.Connection, this);41            AbsolutePath = initializer.AbsolutePath;42        }43        Connection IChannelOwner.Connection => _connection;44        ChannelBase IChannelOwner.Channel => _channel;45        IChannel<Artifact> IChannelOwner<Artifact>.Channel => _channel;46        internal string AbsolutePath { get; }47        public async Task<string> PathAfterFinishedAsync()48        {49            if (_connection.IsRemote)50            {51                throw new PlaywrightException("Path is not available when connecting remotely. Use SaveAsAsync() to save a local copy.");52            }53            return await _channel.PathAfterFinishedAsync().ConfigureAwait(false);54        }55        public async Task SaveAsAsync(string path)56        {57            if (!_connection.IsRemote)...

Playwright.cs

Source:Playwright.cs

...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}
...

JsonPipe.cs

Source:JsonPipe.cs

...33        private readonly JsonPipeChannel _channel;34        private readonly JsonPipeInitializer _initializer;35        public JsonPipe(IChannelOwner parent, string guid, JsonPipeInitializer initializer) : base(parent, guid)36        {37            _channel = new(guid, parent.Connection, this);38            _initializer = initializer;39            _channel.Closed += (_, e) => Closed.Invoke(this, e);40            _channel.Message += (_, e) => Message.Invoke(this, e);41        }42        public event EventHandler<PlaywrightServerMessage> Message;43        public event EventHandler<SerializedError> Closed;44        ChannelBase IChannelOwner.Channel => _channel;45        IChannel<JsonPipe> IChannelOwner<JsonPipe>.Channel => _channel;46        public Task CloseAsync() => _channel.CloseAsync();47        public Task SendAsync(object message) => _channel.SendAsync(message);48    }49}...

LocalUtils.cs

Source:LocalUtils.cs

...35    {36        private readonly LocalUtilsChannel _channel;37        public LocalUtils(IChannelOwner parent, string guid, JsonElement? initializer) : base(parent, guid)38        {39            _channel = new(guid, parent.Connection, this);40        }41        ChannelBase IChannelOwner.Channel => _channel;42        IChannel<LocalUtils> IChannelOwner<LocalUtils>.Channel => _channel;43        internal Task ZipAsync(string zipFile, List<NameValueEntry> entries)44            => _channel.ZipAsync(zipFile, entries);45    }46}

Root.cs

Source:Root.cs

...27namespace Microsoft.Playwright.Transport.Channels28{29    internal class Root : ChannelOwnerBase30    {31        private readonly Connection _connection;32        internal Root(IChannelOwner parent, Connection connection, string guid) : base(parent, connection, guid)33        {34            _connection = connection;35        }36        internal async Task<PlaywrightImpl> InitializeAsync()37        {38            var args = new39            {40                sdkLanguage = "csharp",41            };42            var jsonElement = await _connection.SendMessageToServerAsync(string.Empty, "initialize", args).ConfigureAwait(false);43            return jsonElement.GetObject<PlaywrightImpl>("playwright", _connection);44        }45    }46}...

Connection

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using Microsoft.Playwright.Transport.Channels;3using Microsoft.Playwright.Transport.Protocol;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        static async Task Main(string[] args)12        {13            var browser = await connection.WaitForObjectWithKnownNameAsync<BrowserChannel>("browser");14            var page = await browser.NewPageAsync();15            await page.ScreenshotAsync(new PageScreenshotOptions {Path = "screenshot.png"});16            await connection.CloseAsync();17        }18    }19}20using Microsoft.Playwright;21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;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(new PageScreenshotOptions {Path = "screenshot.png"});34            await browser.CloseAsync();35        }36    }37}38using Microsoft.Playwright;39using System;40using System.Collections.Generic;41using System.Linq;42using System.Text;43using System.Threading.Tasks;44{45    {46        static async Task Main(string[] args)47        {48            var playwright = await Playwright.CreateAsync();49            var browser = await playwright.Chromium.LaunchAsync();50            var page = await browser.NewPageAsync();51            await page.ScreenshotAsync(new PageScreenshotOptions {Path = "screenshot.png"});52            await browser.CloseAsync();53        }54    }55}56using Microsoft.Playwright;57using System;58using System.Collections.Generic;59using System.Linq;60using System.Text;61using System.Threading.Tasks;62{63    {64        static async Task Main(string[] args

Connection

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4await page.ScreenshotAsync("google.png");5await browser.CloseAsync();6await playwright.StopAsync();7var playwright = await Playwright.CreateAsync();8var browser = await playwright.Chromium.LaunchAsync();9var page = await browser.NewPageAsync();10await page.ScreenshotAsync("google.png");11await browser.CloseAsync();12await playwright.StopAsync();13The type or namespace name 'Playwright' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)143 -> Microsoft.Playwright.Transport 0.192.0 -> Microsoft.Playwright (>= 0.192.0)15NU1202 Package Microsoft.Playwright.Transport 0.192.0 is not compatible with net5.0 (.NETCoreApp,Version=v5.0). Package Microsoft.Playwright.Transport 0.192.0 supports: netstandard2.0 (.NETStandard,Version=v2.0)

Connection

Using AI Code Generation

1var playwright = await Playwright.CreateAsync(connection);2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4await page.ScreenshotAsync(new PageScreenshotOptions {Path = "example.png"});5await browser.CloseAsync();6await playwright.CloseAsync();7var playwright = await Playwright.CreateAsync();8var browser = await playwright.Chromium.LaunchAsync();9var page = await browser.NewPageAsync();10await page.ScreenshotAsync(new PageScreenshotOptions {Path = "example.png"});11await browser.CloseAsync();12await playwright.CloseAsync();13var playwright = await Playwright.CreateAsync(connection);14var browser = await playwright.Chromium.LaunchAsync();15var page = await browser.NewPageAsync();16await page.ScreenshotAsync(new PageScreenshotOptions {Path = "example.png"});17await browser.CloseAsync();18await playwright.CloseAsync();

Connection

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Transport.Channels;4{5    {6        private readonly ConnectionChannel _channel;7        public Connection(ConnectionChannel channel)8        {9            _channel = channel;10        }11        public Task<ChannelBase> SendMessageToServerAsync(string guid, string method, object args) =>12            _channel.SendMessageToServerAsync(guid, method, args);13        public Task CloseAsync() => _channel.CloseAsync();14        public Task SetMaxWebSocketFrameSizeAsync(int size) => _channel.SetMaxWebSocketFrameSizeAsync(size);15        public void SetOwner(object owner) => _channel.SetOwner(owner);16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright.Transport.Channels;21{22    {23        internal Playwright(IConnection connection, string guid) : base(connection, guid)24        {25        }26        public ChannelBase Channel => _channel;27        Playwright IChannelOwner<Playwright>.Object => this;28        public async Task<BrowserType> LaunchBrowserTypeAsync(string browserName, LaunchOptions options = null)29        {30            var guid = Guid.NewGuid().ToString();31            var playwrightChannel = (PlaywrightChannel)Channel;32            var browserTypeChannel = await playwrightChannel.LaunchBrowserTypeAsync(guid, browserName, options).ConfigureAwait(false);33            return new BrowserType(Connection, browserTypeChannel);34        }35    }36}37using System;38using System.Threading.Tasks;39using Microsoft.Playwright.Transport.Channels;40{41    {42        internal BrowserType(IConnection connection, ChannelBase channel) : base(connection, channel)43        {44        }45        public ChannelBase Channel => _channel;46        BrowserType IChannelOwner<BrowserType>.Object => this;47        public async Task<Browser> LaunchAsync(LaunchOptions options = null)48        {49            var guid = Guid.NewGuid().ToString();50            var browserTypeChannel = (BrowserTypeChannel)Channel;51            var browserChannel = await browserTypeChannel.LaunchAsync(guid

Connection

Using AI Code Generation

1var connection = new Connection();2var browser = await connection.NewBrowserAsync();3var page = await browser.NewPageAsync();4await connection.CloseAsync();5var connection = new Connection();6var browser = await connection.NewBrowserAsync();7var page = await browser.NewPageAsync();8await connection.CloseAsync();9var connection = new Connection();10var browser = await connection.NewBrowserAsync();11var page = await browser.NewPageAsync();12await connection.CloseAsync();13var connection = new Connection();14var browser = await connection.NewBrowserAsync();15var page = await browser.NewPageAsync();16await connection.CloseAsync();17var connection = new Connection();18var browser = await connection.NewBrowserAsync();19var page = await browser.NewPageAsync();20await connection.CloseAsync();21var connection = new Connection();22var browser = await connection.NewBrowserAsync();23var page = await browser.NewPageAsync();24await connection.CloseAsync();25var connection = new Connection();26var browser = await connection.NewBrowserAsync();27var page = await browser.NewPageAsync();28await connection.CloseAsync();29var connection = new Connection();30var browser = await connection.NewBrowserAsync();31var page = await browser.NewPageAsync();32await connection.CloseAsync();33var connection = new Connection();

Connection

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        public static async Task ConnectAsync()9        {

Connection

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Threading.Tasks;5{6    {7        private static async Task Main()8        {9            var connection = new Connection();10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("wikipedia.png");12            await browser.CloseAsync();13        }14    }15}16using Microsoft.Playwright;17using System;18using System.Threading.Tasks;19{20    {21        private static async Task Main()22        {23            var connection = new Connection();24            var page = await browser.NewPageAsync();25            await page.ScreenshotAsync("wikipedia.png");26            await browser.CloseAsync();27        }28    }29}30using Microsoft.Playwright;31using System;32using System.Threading.Tasks;33{34    {35        private static async Task Main()36        {37            var connection = new Connection();38            var page = await browser.NewPageAsync();39            await page.ScreenshotAsync("wikipedia.png");40            await browser.CloseAsync();41        }42    }43}44using Microsoft.Playwright;45using System;46using System.Threading.Tasks;47{48    {49        private static async Task Main()50        {51            var connection = new Connection();52            var page = await browser.NewPageAsync();53            await page.ScreenshotAsync("wikipedia.png");54            await browser.CloseAsync();55        }56    }57}

Connection

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using Microsoft.Playwright.Transport.Channels;3{4    private static async Task Main(string[] args)5    {6        var connection = new Connection(new ConnectionOptions7        {8            {9                var webSocket = new ClientWebSocket();10                await webSocket.ConnectAsync(uri, CancellationToken.None);11                return webSocket;12            },13        });14        var browserTypeChannel = new BrowserTypeChannel(connection, "browserType", null);15        var browserType = new BrowserType(browserTypeChannel);16        var browser = await browserType.LaunchAsync();17        var page = await browser.NewPageAsync();18        await page.ScreenshotAsync("screenshot.png");19        await browser.CloseAsync();20    }21}22using Microsoft.Playwright;23{24    private static async Task Main(string[] args)25    {26        using var playwright = await Microsoft.Playwright.Playwright.CreateAsync();27        await using var browser = await playwright.Chromium.LaunchAsync();28        var page = await browser.NewPageAsync();29        await page.ScreenshotAsync("screenshot.png");30        await browser.CloseAsync();31    }32}

Connection

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport;5using Microsoft.Playwright.Transport.Channels;6{7    {8        static async Task Main(string[] args)9        {

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.