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How to use WebSocketChannel class of Microsoft.Playwright.Transport.Channels package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.WebSocketChannel

PageChannel.cs

Source:PageChannel.cs

...103                case "console":104                    Console?.Invoke(this, serverParams?.GetProperty("message").ToObject<ConsoleMessage>(Connection.DefaultJsonSerializerOptions));105                    break;106                case "webSocket":107                    WebSocket?.Invoke(this, serverParams?.GetProperty("webSocket").ToObject<WebSocketChannel>(Connection.DefaultJsonSerializerOptions).Object);108                    break;109                case "download":110                    Download?.Invoke(this, serverParams?.ToObject<PageDownloadEvent>(Connection.DefaultJsonSerializerOptions));111                    break;112                case "video":113                    Video?.Invoke(this, new() { Artifact = serverParams?.GetProperty("artifact").ToObject<ArtifactChannel>(Connection.DefaultJsonSerializerOptions).Object });114                    break;115                case "worker":116                    Worker?.Invoke(117                        this,118                        new() { WorkerChannel = serverParams?.GetProperty("worker").ToObject<WorkerChannel>(Connection.DefaultJsonSerializerOptions) });119                    break;120            }121        }...

WebSocketChannel.cs

Source:WebSocketChannel.cs

...26using Microsoft.Playwright.Core;27using Microsoft.Playwright.Helpers;28namespace Microsoft.Playwright.Transport.Channels29{30    internal class WebSocketChannel : Channel<WebSocket>31    {32        private const int OpcodeBase64 = 2;33        public WebSocketChannel(string guid, Connection connection, WebSocket owner) : base(guid, connection, owner)34        {35        }36        internal event EventHandler Close;37        internal event EventHandler<IWebSocketFrame> FrameSent;38        internal event EventHandler<IWebSocketFrame> FrameReceived;39        internal event EventHandler<string> SocketError;40        internal override void OnMessage(string method, JsonElement? serverParams)41        {42            bool IsTextOrBinaryFrame(out int opcode)43            {44                opcode = serverParams?.GetProperty("opcode").ToObject<int>() ?? 0;45                return opcode != 1 && opcode != 2;46            }47            int opcode;...

WebSocket.cs

Source:WebSocket.cs

...28namespace Microsoft.Playwright.Core29{30    internal class WebSocket : ChannelOwnerBase, IChannelOwner<WebSocket>, IWebSocket31    {32        private readonly WebSocketChannel _channel;33        private readonly WebSocketInitializer _initializer;34        internal WebSocket(IChannelOwner parent, string guid, WebSocketInitializer initializer) : base(parent, guid)35        {36            _channel = new(guid, parent.Connection, this);37            _initializer = initializer;38            _channel.Close += (_, _) =>39            {40                IsClosed = true;41                Close?.Invoke(this, this);42            };43            _channel.FrameReceived += (_, e) => FrameReceived?.Invoke(this, e);44            _channel.FrameSent += (_, e) => FrameSent?.Invoke(this, e);45            _channel.SocketError += (_, e) => SocketError?.Invoke(this, e);46        }...

WebSocketChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            await ws.ConnectAsync();10            var message = await ws.WaitForMessageAsync();11            Console.WriteLine(message);12        }13    }14}15using Microsoft.Playwright.Transport.Channels;16using System;17using System.Threading.Tasks;18{19    {20        static async Task Main(string[] args)21        {22            Console.WriteLine("Hello World!");23            await ws.ConnectAsync();24            await ws.SendAsync("hello");25        }26    }27}28using Microsoft.Playwright.Transport.Channels;29using System;30using System.Threading.Tasks;31{32    {33        static async Task Main(string[] args)34        {35            Console.WriteLine("Hello World!");36            await ws.ConnectAsync();37            await ws.SendAsync("hello");38            var message = await ws.WaitForMessageAsync();39            Console.WriteLine(message);40        }41    }42}43using Microsoft.Playwright.Transport.Channels;44using System;45using System.Threading.Tasks;46{47    {48        static async Task Main(string[] args)49        {50            Console.WriteLine("Hello World!");

WebSocketChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using Microsoft.Playwright.Transport.Protocol;3using Microsoft.Playwright;4using System;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            var browserType = playwright.Chromium;12            var browser = await browserType.LaunchAsync();13            var page = await browser.NewPageAsync();14            var webSocketChannel = new WebSocketChannel(page);15            var webSocketEvent = new WebSocketEvent();16            var webSocket = webSocketChannel.Object;17            webSocket.Message += WebSocket_Message;18            webSocket.Close += WebSocket_Close;19            webSocket.Error += WebSocket_Error;20            webSocket.FrameSent += WebSocket_FrameSent;21            webSocket.FrameReceived += WebSocket_FrameReceived;22            webSocket.SocketError += WebSocket_SocketError;23            webSocket.SocketClose += WebSocket_SocketClose;24            webSocket.SocketOpen += WebSocket_SocketOpen;25            webSocket.SocketFrameSent += WebSocket_SocketFrameSent;26            webSocket.SocketFrameReceived += WebSocket_SocketFrameReceived;27            webSocket.SocketMessage += WebSocket_SocketMessage;

WebSocketChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using Microsoft.Playwright.Transport.Protocol;3using Microsoft.Playwright;4{5    {6        public static async Task<WebSocketChannel> AcceptAsync(this WebSocketChannel channel, string protocol = null)7        {8            var response = await channel.Connection.SendMessageToServerAsync(new AcceptWebSocketRequest9            {10            });11            return response.Value.ToObject<WebSocketChannel>();12        }13    }14}15using Microsoft.Playwright.Transport.Channels;16using Microsoft.Playwright.Transport.Protocol;17using Microsoft.Playwright;18{19    {20        public static async Task<WebSocketChannel> AcceptAsync(this WebSocketChannel channel, string protocol = null)21        {22            var response = await channel.Connection.SendMessageToServerAsync(new AcceptWebSocketRequest23            {24            });25            return response.Value.ToObject<WebSocketChannel>();26        }27    }28}29using Microsoft.Playwright.Transport.Channels;30using Microsoft.Playwright.Transport.Protocol;31using Microsoft.Playwright;32{33    {34        public static async Task<WebSocketChannel> AcceptAsync(this WebSocketChannel channel, string protocol = null)35        {36            var response = await channel.Connection.SendMessageToServerAsync(new AcceptWebSocketRequest37            {38            });39            return response.Value.ToObject<WebSocketChannel>();40        }41    }42}43using Microsoft.Playwright.Transport.Channels;44using Microsoft.Playwright.Transport.Protocol;45using Microsoft.Playwright;46{47    {48        public static async Task<WebSocketChannel> AcceptAsync(this WebSocketChannel channel, string protocol = null)49        {50            var response = await channel.Connection.SendMessageToServerAsync(new AcceptWebSocketRequest51            {52            });53            return response.Value.ToObject<WebSocketChannel>();54        }55    }56}

WebSocketChannel

Using AI Code Generation

1ws.MessageReceived += (sender, args) => Console.WriteLine(args.Message);2ws.StartAsync().GetAwaiter().GetResult();3ws.SendAsync("{\"id\": 1, \"method\": \"Browser.newPage\"}").GetAwaiter().GetResult();4ws.SendAsync("{\"id\": 3, \"method\": \"Page.screenshot\", \"params\": {\"path\": \"screenshot.png\"}}").GetAwaiter().GetResult();5ws.MessageReceived += (sender, args) => Console.WriteLine(args.Message);6ws.StartAsync().GetAwaiter().GetResult();7ws.SendAsync("{\"id\": 1, \"method\": \"Browser.newPage\"}").GetAwaiter().GetResult();8ws.SendAsync("{\"id\": 3, \"method\": \"Page.screenshot\", \"params\": {\"path\": \"screenshot.png\"}}").GetAwaiter().GetResult();9{10    public PlaywrightChannel(string endpointUrl, ILoggerFactory loggerFactory)11        : base(loggerFactory)12    {13        var ws = new WebSocketChannel(endpointUrl, loggerFactory);14        ws.MessageReceived += (sender, args) => OnMessageReceived(args.Message);15        ws.StartAsync().GetAwaiter().GetResult();

WebSocketChannel

Using AI Code Generation

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

WebSocketChannel

Using AI Code Generation

1{2    public WebSocketChannel(string url, bool? slowMo = default, string headers = default, string proxy = default, string timeout = default, string userAgent = default, string wsEndpoint = default, bool? ignoreHTTPSErrors = default, string extraHTTPHeaders = default, string offline = default, string httpCredentials = default, string devtools = default, string viewport = default, string downloadsPath = default, string acceptDownloads = default, string bypassCSP = default, string locale = default, string timezoneId = default, string geolocation = default, string permissions = default, string hasTouch = default, string isMobile = default, string javaScriptEnabled = default, string userAgent = default, string deviceScaleFactor = default, string isLandscape = default, string colorScheme = default, string ignoreDefaultArgs = default, string ignoreAllDefaultArgs = default, string args = default, string executablePath = default, string ignoreHTTPSErrors = default, string handleSIGINT = default, string handleSIGTERM = default, string handleSIGHUP = default, string timeout = default, string dumpio = default, string pipe = default, string browserWSEndpoint = default, string browserURL = default, string devtools = default, string slowMo = default, string logger = default, string screenshotTaskQueue = default, string downloadsPath = default, string acceptDownloads = default, string bypassCSP = default)3    {4        Url = url;5        SlowMo = slowMo;6        Headers = headers;7        Proxy = proxy;8        Timeout = timeout;9        UserAgent = userAgent;10        WsEndpoint = wsEndpoint;11        IgnoreHTTPSErrors = ignoreHTTPSErrors;12        ExtraHTTPHeaders = extraHTTPHeaders;13        Offline = offline;14        HttpCredentials = httpCredentials;15        Devtools = devtools;16        Viewport = viewport;17        DownloadsPath = downloadsPath;18        AcceptDownloads = acceptDownloads;19        BypassCSP = bypassCSP;20        Locale = locale;21        TimezoneId = timezoneId;22        Geolocation = geolocation;23        Permissions = permissions;24        HasTouch = hasTouch;25        IsMobile = isMobile;26        JavaScriptEnabled = javaScriptEnabled;27        UserAgent = userAgent;28        DeviceScaleFactor = deviceScaleFactor;

WebSocketChannel

Using AI Code Generation

1var connection = new Connection(channel, new ConnectionOptions { });2var ws = connection.GetExistingObject<WebSocket>("websocket");3var socket = new WebSocket(connection, ws);4await socket.WaitForEventAsync("open");5await socket.SendAsync("hello");6var result = await socket.ReceiveAsync();7Console.WriteLine(result);8var connection = new Connection(channel, new ConnectionOptions { });9var ws = connection.GetExistingObject<WebSocket>("websocket");10var socket = new WebSocket(connection, ws);11await socket.WaitForEventAsync("open");12await socket.SendAsync("hello");13var result = await socket.ReceiveAsync();14Console.WriteLine(result);15var connection = new Connection(channel, new ConnectionOptions { });16var ws = connection.GetExistingObject<WebSocket>("websocket");17var socket = new WebSocket(connection, ws);18await socket.WaitForEventAsync("open");19await socket.SendAsync("hello");20var result = await socket.ReceiveAsync();21Console.WriteLine(result);22var connection = new Connection(channel, new ConnectionOptions { });23var ws = connection.GetExistingObject<WebSocket>("websocket");24var socket = new WebSocket(connection, ws);25await socket.WaitForEventAsync("open");26await socket.SendAsync("hello");27var result = await socket.ReceiveAsync();28Console.WriteLine(result);29var connection = new Connection(channel, new ConnectionOptions { });30var ws = connection.GetExistingObject<WebSocket>("websocket");31var socket = new WebSocket(connection, ws);32await socket.WaitForEventAsync("open");33await socket.SendAsync("hello");34var result = await socket.ReceiveAsync();

Playwright tutorial

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

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
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