KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use OnMessage method of Microsoft.Playwright.Transport.Channels.JsonPipeChannel class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.JsonPipeChannel.OnMessage

JsonPipeChannel.cs

Source:JsonPipeChannel.cs

...35        {36        }37        public event EventHandler<PlaywrightServerMessage> Message;38        public event EventHandler<SerializedError> Closed;39        internal override void OnMessage(string method, JsonElement? serverParams)40        {41            switch (method)42            {43                case "closed":44                    if (serverParams.Value.TryGetProperty("error", out var error))45                    {46                        Closed?.Invoke(this, error.ToObject<SerializedError>(Connection.DefaultJsonSerializerOptions));47                    }48                    else49                    {50                        Closed?.Invoke(this, null);51                    }52                    break;53                case "message":...

OnMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(headless: false);10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            var jsonPipeChannel = page.GetChannel();13            jsonPipeChannel.OnMessage += (sender, e) =>14            {15                Console.WriteLine(e.Message);16            };17        }18    }19}20using System;21using System.Threading.Tasks;22using Microsoft.Playwright;23{24    {25        static async Task Main(string[] args)26        {27            await using var playwright = await Playwright.CreateAsync();28            await using var browser = await playwright.Chromium.LaunchAsync(headless: false);29            var context = await browser.NewContextAsync();30            var page = await context.NewPageAsync();31            var jsonPipeChannel = page.GetChannel();32            jsonPipeChannel.OnMessage += (sender, e) =>33            {34                Console.WriteLine(e.Message);35                var messageType = e.Message["method"].ToString();36                if (messageType == "Page.frameNavigated")37                {38                    var frameId = e.Message["params"]["frame"]["id"].ToString();39                    var url = e.Message["params"]["frame"]["url"].ToString();40                    Console.WriteLine("frame id: " + frameId);41                    Console.WriteLine("url: " + url);42                }43            };44        }45    }46}

OnMessage

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Collections.Generic;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            var channel = page.Channel as JsonPipeChannel;14            channel.OnMessage += Channel_OnMessage;15            await page.ClickAsync("input[name='btnK']");16            await page.ClickAsync("input[name='btnI']");17            await browser.CloseAsync();18        }19        private static void Channel_OnMessage(object sender, MessageEventArgs e)20        {21            Console.WriteLine(e.Message);22        }23    }24}25{"id":3,"method":"Page.click","params":{"button":"left","clickCount":1,"force":false,"position":{"x":16,"y":16},"selector":"input[name='btnK']"},"guid":"Page-1"}26{"id":4,"method":"Page.click","params":{"button":"left","clickCount":1,"force":false,"position":{"x":16,"y":16},"selector":"input[name='btnI']"},"guid":"Page-1"}27{"id":5,"method":"Browser.close","params":{},"guid":"Browser-1"}28{"id":6,"method":"Browser.close","params":{},"guid":"Browser-1"}29{"id":7,"method":"Browser.close","params":{},"guid":"Browser-1"}30{"id":8,"method":"Browser.close","params":{},"guid":"Browser-1"}31{"id":9,"method":"Browser.close","params":{},"guid":"Browser-1"}32{"id":10,"method":"Browser.close","params":{},"guid":"Browser-1"}33{"id":11,"method":"Browser.close","params":{},"guid":"Browser-1"}34{"id":12,"method":"Browser.close","params":{},"guid":"Browser-1"}35{"id":13,"method":"Browser.close","params":{},"guid":"Browser-1"}36{"id":14,"method":"Browser.close","params":{},"guid":"Browser-1"}37{"id":15,"method":"Browser.close","params":

OnMessage

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7{8    {9        static async Task Main(string[] args)10        {11            using var playwright = await Playwright.CreateAsync();12            await using var browser = await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions13            {14            });15            var page = await browser.NewPageAsync();16            var jsonPipeChannel = page.Channel as JsonPipeChannel;17            jsonPipeChannel.OnMessage += (sender, e) =>18            {19                Console.WriteLine("Received message: " + e.Message);20            };21            Console.ReadLine();22        }23    }24}25Received message: {"method":"Page.frameAttached","params":{"frameId":"0x3","parentFrameId":null},"sessionId":"0x1"}26Received message: {"method":"Page.frameStartedLoading","params":{"frameId":"0x3"},"sessionId":"0x1"}27Received message: {"method":"Page.frameStoppedLoading","params":{"frameId":"0x3"},"sessionId":"0x1"}28Received message: {"method":"Page.frameAttached","params":{"frameId":"0x3","parentFrameId":null},"sessionId":"0x1"}29Received message: {"method":"Page.frameStartedLoading","params":{"frameId":"0x3"},"sessionId":"0x1"}30Received message: {"method":"Page.frameStoppedLoading","params":{"frameId":"0x3"},"sessionId":"0x1"}

OnMessage

Using AI Code Generation

1    {2        public JsonPipeChannel(string guid, Connection connection, JsonPipe owner) : base(guid, connection, owner)3        {4        }5        internal override void OnMessage(string method, object? e)6        {7            if (method == "message")8            {9                var message = ((JToken)e)["message"]?.ToObject<string>();10                Console.WriteLine(message);11            }12        }13    }14    {15        private static readonly JsonPipeFactory s_factory = new JsonPipeFactory();16        internal JsonPipe(IChannelOwner parent, string guid) : base(parent, guid)17        {18        }19        IChannel<JsonPipe> IChannelOwner<JsonPipe>.Channel => Channel;20        public IChannelOwner Connection => Parent;21        public Task CloseAsync()22        {23            return Channel.CloseAsync();24        }25        public Task<string> ReadAsync()26        {27            return Channel.ReadAsync();28        }29        public Task WriteAsync(string message)30        {31            return Channel.WriteAsync(message);32        }33        internal static JsonPipe From(IChannelOwner parent, string guid)34        {35            return new JsonPipe(parent, guid);36        }37        internal IChannel<JsonPipe> Channel => GetChannel();38        internal static Task<JsonPipe> CreateAsync(IChannelOwner parent, string guid, string path)39        {40            return s_factory.CreateAsync(parent, guid, path);41        }42        {43            public JsonPipeFactory() : base(null, Guid.NewGuid().ToString())44            {45            }46            IChannel<JsonPipe> IChannelOwner<JsonPipe>.Channel => Channel;47            IChannelOwner IChannelOwner.Connection => this;48            public Task<JsonPipe> CreateAsync(string guid, string path)49            {50                return Channel.JsonPipeCreateAsync(guid, path);51            }52            internal Task<JsonPipe> CreateAsync(IChannelOwner parent, string guid, string path)53            {54                return Channel.JsonPipeCreateAsync(guid, path);55            }56            internal IChannel<JsonPipeFactory> Channel => GetExistingChannel();57            protected override IChannelFactory ChannelFactory => Connection;58        }59    }

OnMessage

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.Threading.Tasks;4using Microsoft.Playwright;5using System.Text.Json;6using System.Text.Json.Serialization;7using System.Collections.Generic;8using Microsoft.Playwright.Transport.Channels;9{10    {11        static async Task Main(string[] args)12        {13            using var playwright = await Playwright.CreateAsync();14            await using var browser = await playwright.Chromium.LaunchAsync();15            var page = await browser.NewPageAsync();16            var client = await page.Context.NewCDPSessionAsync(page);17            var jsonPipeChannel = client.Channel as JsonPipeChannel;18            jsonPipeChannel.OnMessage += (sender, e) =>19            {20                var jsonElement = JsonSerializer.Deserialize<JsonElement>(e.Message);21                var method = jsonElement.GetProperty("method").GetString();22                if (method == "Network.responseReceived")23                {24                    var paramsProperty = jsonElement.GetProperty("params");25                    var request = paramsProperty.GetProperty("request");26                    var requestMethod = request.GetProperty("method").GetString();27                    var requestUrl = request.GetProperty("url").GetString();28                    var response = paramsProperty.GetProperty("response");29                    var responseStatus = response.GetProperty("status").GetInt32();30                    Console.WriteLine($"Request {requestMethod} {requestUrl} got response {responseStatus}");31                }32            };33            await client.SendAsync("Network.enable");34        }35    }36}37using System;38using System.Diagnostics;39using System.Threading.Tasks;40using Microsoft.Playwright;41using System.Text.Json;42using System.Text.Json.Serialization;43using System.Collections.Generic;44using Microsoft.Playwright.Transport.Channels;45{46    {47        static async Task Main(string[] args)48        {49            using var playwright = await Playwright.CreateAsync();50            await using var browser = await playwright.Chromium.LaunchAsync();51            var page = await browser.NewPageAsync();52            var client = await page.Context.NewCDPSessionAsync(page);

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.