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

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

Connection.cs

Source:Connection.cs

...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                    }...

JsonPipeChannel.cs

Source:JsonPipeChannel.cs

...33    {34        public JsonPipeChannel(string guid, Connection connection, JsonPipe owner) : base(guid, connection, owner)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":54                    Message?.Invoke(this, serverParams?.GetProperty("message").ToObject<PlaywrightServerMessage>(Connection.DefaultJsonSerializerOptions));55                    break;56            }57        }58        internal Task SendAsync(object message) =>59            Connection.SendMessageToServerAsync(Guid, "send", new Dictionary<string, object>60            {61                { "message", message },62            });63        internal Task CloseAsync() =>64            Connection.SendMessageToServerAsync(Guid, "close");65    }66}...

Playwright.cs

Source:Playwright.cs

...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

...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}...

PlaywrightServerMessage.cs

Source:PlaywrightServerMessage.cs

...23 */24using System.Text.Json;25namespace Microsoft.Playwright.Transport26{27    internal class PlaywrightServerMessage28    {29        public int? Id { get; set; }30        public string Guid { get; set; }31        public string Method { get; set; }32        public JsonElement? Params { get; set; }33        public JsonElement? Result { get; set; }34        public ErrorEntry Error { get; set; }35    }36}...

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using System;3{4    {5        static void Main(string[] args)6        {7            Console.WriteLine("Hello World!");8            PlaywrightServerMessage message = new PlaywrightServerMessage();9            message.Method = "Page.goto";10            Console.WriteLine(message.ToJson());11        }12    }13}14{15  "params": {16  }17}

PlaywrightServerMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Core;4using Microsoft.Playwright.Transport.Channels;5using Microsoft.Playwright.Transport.Protocol;6using Microsoft.Playwright.Transport.Tests;7using Microsoft.Playwright.Transport.Tests.Helpers;8using Xunit;9using Xunit.Abstractions;10using System.Linq;11using System.Threading;12using System.Collections.Generic;13using Microsoft.Playwright;14{15    {16        internal PlaywrightServerMessageTests(ITestOutputHelper output) : base(output)17        {18        }19        public async Task ShouldReturnCorrectLogMessage()20        {21            var message = await Page.EvaluateAsync<PlaywrightServerMessage>("() => console.log('hello', 5, {foo: 'bar'})");22            Assert.Equal("hello 5 JSHandle@object", message.Text);23        }24        public async Task ShouldReturnCorrectExceptionMessage()25        {26            var message = await Page.EvaluateAsync<PlaywrightServerMessage>("() => not_existing_object.a");27            Assert.Equal("not_existing_object is not defined", message.Text);28        }29        public async Task ShouldReturnCorrectErrorMessage()30        {31            var message = await Page.EvaluateAsync<PlaywrightServerMessage>("() => { throw new Error('my error'); }");32            Assert.Equal("Error: my error", message.Text);33        }34        public async Task ShouldReturnCorrectTraceMessage()35        {36            await Page.EvaluateAsync<PlaywrightServerMessage>("() => console.trace('hello')");37            var message = await Page.EvaluateAsync<PlaywrightServerMessage>("() => console.trace()");38            Assert.Equal("hello", message.Text);39        }40        public async Task ShouldReturnCorrectApiCallMessage()41        {42            var message = await Page.EvaluateAsync<PlaywrightServerMessage>("() => console.dirxml(document.body)");43            Assert.Equal(@"▶ DOMRect44    y: 0", message.Text);45        }46        public async Task ShouldReturnCorrectWarningMessage()47        {

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using System;3using System.IO;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            {10                {11                    Args = new string[] { "--no-sandbox" }12                }13            };14            var json = message.ToJson();15            Console.WriteLine(json);16            var message2 = PlaywrightServerMessage.FromJson(json);17            Console.WriteLine(message2.ToJson());18        }19    }20}21{"id":1,"method":"BrowserType.Launch","params":{"browserType":"chromium","channel":"stable","ignoreDefaultArgs":true,"args":["--no-sandbox"]}}22{"id":1,"method":"BrowserType.Launch","params":{"browserType":"chromium","channel":"stable","ignoreDefaultArgs":true,"args":["--no-sandbox"]}}23The type or namespace name 'PlaywrightServerMessage' does not exist in the namespace 'Microsoft.Playwright.Transport' (are you missing an assembly reference?)

PlaywrightServerMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Transport;4using Microsoft.Playwright.Transport.Channels;5{6    {7        static async Task Main(string[] args)8        {9            var connection = new Connection();10            var channel = new BrowserTypeChannel(connection, "browserType", "chromium");11            var browser = await channel.LaunchAsync(new LaunchOptions { Headless = true });12            var page = await browser.NewPageAsync();13            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });14            await browser.CloseAsync();15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21using Microsoft.Playwright.Transport;22{23    {24        static async Task Main(string[] args)25        {26            var playwright = await Playwright.CreateAsync();27            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });28            var page = await browser.NewPageAsync();29            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });30            await browser.CloseAsync();31            await playwright.StopAsync();32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38{39    {40        static async Task Main(string[] args)41        {42            using var playwright = await Playwright.CreateAsync();43            using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });44            using var page = await browser.NewPageAsync();45            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });46        }47    }48}49using System;50using System.Threading.Tasks;51using Microsoft.Playwright;52{53    {54        static async Task Main(string[] args)55        {56            using var playwright = await Playwright.CreateAsync();57            using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });58            using var page = await browser.NewPageAsync();

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;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            PlaywrightServerMessage message = new PlaywrightServerMessage();11            message.Method = "BrowserType.launch";12            message.Params = new Dictionary<string, object>();13            message.Params.Add("headless", false);14            message.Params.Add("executablePath", "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe");15            message.Params.Add("args", new string[] { "--no-sandbox" });16            message.Params.Add("ignoreDefaultArgs", new string[] { "--enable-automation" });17            message.Params.Add("slowMo", 100);18            PlaywrightServerMessageChannel channel = new PlaywrightServerMessageChannel();19            await channel.SendAsync(message);20            Console.WriteLine("Done");21        }22    }23}

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;2var message = new PlaywrightServerMessage();3message.Id = "id";4message.Method = "method";5message.Params = new Dictionary<string, object>();6message.Params.Add("key", "value");7message.Params.Add("key2", "value2");8message.Params.Add("key3", "value3");9var json = message.ToJson();10using Microsoft.Playwright;11var message = new PlaywrightServerMessage();12message.Id = "id";13message.Method = "method";14message.Params = new Dictionary<string, object>();15message.Params.Add("key", "value");16message.Params.Add("key2", "value2");17message.Params.Add("key3", "value3");18var json = message.ToJson();

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using System;3{4    {5        static void Main(string[] args)6        {7            PlaywrightServerMessage message = new PlaywrightServerMessage();8            message.Id = 1;9            message.Method = "BrowserType.launch";10            message.Params = new BrowserTypeLaunchOptions();11            message.Params.Headless = true;12            message.Params.IgnoreHTTPSErrors = true;13            string json = message.ToJson();14            Console.WriteLine(json);15        }16    }17}18using Microsoft.Playwright.Transport;19using System;20{21    {22        static void Main(string[] args)23        {24            PlaywrightServerMessage message = new PlaywrightServerMessage();25            message.Id = 1;26            message.Method = "BrowserType.launch";27            message.Params = new BrowserTypeLaunchOptions();28            message.Params.Headless = true;29            message.Params.IgnoreHTTPSErrors = true;30            string json = message.ToJson();31            Console.WriteLine(json);32            PlaywrightServerMessage message2 = PlaywrightServerMessage.FromJson(json);33            Console.WriteLine(message2.Id);34            Console.WriteLine(message2.Method);35            Console.WriteLine(message2.Params.Headless);36            Console.WriteLine(message2.Params.IgnoreHTTPSErrors);37        }38    }39}40using Microsoft.Playwright.Transport;41using System;42{43    {44        static void Main(string[] args)45        {

PlaywrightServerMessage

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Transport;4using Microsoft.Playwright.Transport.Channels;5{6    {7        static async Task Main(string[] args)8        {9            var connection = new Connection();10            var channel = new BrowserTypeChannel(connection, "browserType", "chromium");11            var browser = await channel.LaunchAsync(new LaunchOptions { Headless = true });12            var page = await browser.NewPageAsync();13            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });14            await browser.CloseAsync();15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Playwright;21using Microsoft.Playwright.Transport;22{23    {24        static async Task Main(string[] args)25        {26            var playwright = await Playwright.CreateAsync();27            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });28            var page = await browser.NewPageAsync();29            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });30            await browser.CloseAsync();31            await playwright.StopAsync();32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Playwright;38{39    {40        static async Task Main(string[] args)41        {42            using var playwright = await Playwright.CreateAsync();43            using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });44            using var page = await browser.NewPageAsync();45            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "example.png" });46        }47    }48}49using System;50using System.Threading.Tasks;51using Microsoft.Playwright;52{53    {54        static async Task Main(string[] args)55        {56            using var playwright = await Playwright.CreateAsync();57            using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });58            using var page = await browser.NewPageAsync();

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;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            PlaywrightServerMessage message = new PlaywrightServerMessage();11            message.Method = "BrowserType.launch";12            message.Params = new Dictionary<string, object>();13            message.Params.Add("headless", false);14            message.Params.Add("executablePath", "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe");15            message.Params.Add("args", new string[] { "--no-sandbox" });16            message.Params.Add("ignoreDefaultArgs", new string[] { "--enable-automation" });17            message.Params.Add("slowMo", 100);18            PlaywrightServerMessageChannel channel = new PlaywrightServerMessageChannel();19            await channel.SendAsync(message);20            Console.WriteLine("Done");21        }22    }23}24  "params": {25  }26}

PlaywrightServerMessage

Using AI Code Generation

1using Microsoft.Playwright.Transport;2using System;3using System.IO;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            {10                {11                    Args = new string[] { "--no-sandbox" }12                }13            };14            var json = message.ToJson();15            Console.WriteLine(json);16            var message2 = PlaywrightServerMessage.FromJson(json);17            Console.WriteLine(message2.ToJson());18        }19    }20}21{"id":1,"method":"BrowserType.Launch","params":{"browserType":"chromium","channel":"stable","ignoreDefaultArgs":true,"args":["--no-sandbox"]}}22{"id":1,"method":"BrowserType.Launch","params":{"browserType":"chromium","channel":"stable","ignoreDefaultArgs":true,"args":["--no-sandbox"]}}23The type or namespace name 'PlaywrightServerMessage' does not exist in the namespace 'Microsoft.Playwright.Transport' (are you missing an assembly reference?)

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.