How to use LengthPrefixCommunicationChannel class of Microsoft.VisualStudio.TestPlatform.CommunicationUtilities package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.LengthPrefixCommunicationChannel

LengthPrefixCommunicationChannel.cs

Source:LengthPrefixCommunicationChannel.cs Github

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...12 using Microsoft.VisualStudio.TestPlatform.Utilities;13 /// <summary>14 /// A communication channel using a length prefix packet frame for communication.15 /// </summary>16 public class LengthPrefixCommunicationChannel : ICommunicationChannel17 {18 private readonly BinaryReader reader;19 private readonly BinaryWriter writer;20 /// <summary>21 /// Sync object for sending messages22 /// Write for binarywriter is NOT thread-safe23 /// </summary>24 private object writeSyncObject = new object();25 public LengthPrefixCommunicationChannel(Stream stream)26 {27 this.reader = new BinaryReader(stream, Encoding.UTF8, true);28 // Using the Buffered stream while writing, improves the write performance. By reducing the number of writes.29 this.writer = new BinaryWriter(new PlatformStream().CreateBufferedStream(stream, SocketConstants.BufferSize), Encoding.UTF8, true);30 }31 /// <inheritdoc />32 public event EventHandler<MessageReceivedEventArgs> MessageReceived;33 /// <inheritdoc />34 public Task Send(string data)35 {36 try37 {38 // Writing Message on binarywriter is not Thread-Safe39 // Need to sync one by one to avoid buffer corruption40 lock (this.writeSyncObject)41 {42 this.writer.Write(data);43 this.writer.Flush();44 }45 }46 catch (Exception ex)47 {48 EqtTrace.Error("LengthPrefixCommunicationChannel.Send: Error sending data: {0}.", ex);49 throw new CommunicationException("Unable to send data over channel.", ex);50 }51 return Task.FromResult(0);52 }53 /// <inheritdoc />54 public Task NotifyDataAvailable()55 {56 // Try read data even if no one is listening to the data stream. Some server57 // implementations (like Sockets) depend on the read operation to determine if a58 // connection is closed.59 if (this.MessageReceived != null)60 {61 var data = this.reader.ReadString();62 this.MessageReceived.SafeInvoke(this, new MessageReceivedEventArgs { Data = data }, "LengthPrefixCommunicationChannel: MessageReceived");63 }64 return Task.FromResult(0);65 }66 /// <inheritdoc />67 public void Dispose()68 {69 EqtTrace.Verbose("LengthPrefixCommunicationChannel.Dispose: Dispose reader and writer.");70 this.reader.Dispose();71 this.writer.Dispose();72 GC.SuppressFinalize(this);73 }74 }75}...

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LengthPrefixCommunicationChannel

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1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;3using System;4{5 {6 static void Main(string[] args)7 {8 var channel = new LengthPrefixCommunicationChannel("

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LengthPrefixCommunicationChannel

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1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using System;3using System.IO;4using System.Text;5using System.Threading;6{7 {8 static void Main(string[] args)9 {10 var channel = new LengthPrefixCommunicationChannel("3");11 channel.Start();12 channel.WaitForClientConnection(10000);13 channel.MessageReceived += Channel_MessageReceived;14 }15 private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)16 {17 Console.WriteLine(Encoding.UTF8.GetString(e.Data));18 }19 }20}21using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;22using System;23using System.IO;24using System.Text;25using System.Threading;26{27 {28 static void Main(string[] args)29 {30 var channel = new LengthPrefixCommunicationChannel("4");31 channel.Start();32 channel.WaitForClientConnection(10000);33 channel.MessageReceived += Channel_MessageReceived;34 }35 private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)36 {37 Console.WriteLine(Encoding.UTF8.GetString(e.Data));38 }39 }40}41using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;42using System;43using System.IO;44using System.Text;45using System.Threading;46{47 {48 static void Main(string[] args)49 {50 var channel = new LengthPrefixCommunicationChannel("5");51 channel.Start();52 channel.WaitForClientConnection(10000);53 channel.MessageReceived += Channel_MessageReceived;54 }55 private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)56 {57 Console.WriteLine(Encoding.UTF8.GetString(e.Data));58 }59 }60}61using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;62using System;63using System.IO;64using System.Text;65using System.Threading;66{67 {68 static void Main(string[] args)69 {70 var channel = new LengthPrefixCommunicationChannel("6");71 channel.Start();72 channel.WaitForClientConnection(10000);

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LengthPrefixCommunicationChannel

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1using System;2using System.IO;3using System.Net;4using System.Net.Sockets;5using System.Text;6using System.Threading;7using System.Threading.Tasks;8using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;9{10 {11 static void Main(string[] args)12 {13 Task.Run(() => { StartClient(); });14 StartServer();15 }16 private static void StartClient()17 {18 var client = new TcpClient("

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LengthPrefixCommunicationChannel

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1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11{12 {13 static void Main(string[] args)14 {15 string testHostPath = @"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\TestWindow\vstest.console.exe";16 string testHostArgs = @"C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug\testhosttest.dll /TestAdapterPath:C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug";17 var processHelper = new ProcessHelper();18 var process = processHelper.LaunchProcess(testHostPath, testHostArgs, null, null, null, null, false);19 var protocolConfig = new ProtocolConfig();20 var communicationManager = new SocketCommunicationManager();21 communicationManager.InitializeCommunication();22 var lengthPrefixCommunicationChannel = new LengthPrefixCommunicationChannel(communicationManager, protocolConfig);23 lengthPrefixCommunicationChannel.SendMessage(MessageType.VersionCheck);24 var message = lengthPrefixCommunicationChannel.ReceiveMessage();25 if (message.MessageType == MessageType.VersionCheck)26 {27 lengthPrefixCommunicationChannel.SendMessage(MessageType.VersionCheck, 15);28 }29 {30 throw new Exception("Unexpected message type received");31 }32 lengthPrefixCommunicationChannel.SendMessage(MessageType.StartTestExecutionWithSources, new List<string>() { @"C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug\testhosttest.dll" });33 var message1 = lengthPrefixCommunicationChannel.ReceiveMessage();34 if (message1.MessageType == MessageType.TestMessage)35 {36 var testMessagePayload = message1.GetPayload<TestMessagePayload>();37 Console.WriteLine(testMessagePayload.Message);38 }39 {40 throw new Exception("Unexpected message type received");41 }42 var message2 = lengthPrefixCommunicationChannel.ReceiveMessage();43 if (message2.MessageType == MessageType.ExecutionComplete)44 {45 var testRunCompletePayload = message2.GetPayload<TestRunCompletePayload>();46 Console.WriteLine(testRunCompletePayload.IsAb

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LengthPrefixCommunicationChannel

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1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;3using System;4{5 {6 static void Main(string[] args)7 {8 var channel = new LengthPrefixCommunicationChannel("

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LengthPrefixCommunicationChannel

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1channel.Start();2channel.Send(new Message() { MessageType = MessageType.VersionCheck, Payload = new VersionCheck() { Version = "1.2.3" } });3{4 public void Handle(Message message)5 {6 Console.WriteLine("Received message of type: {0}", message.MessageType);7 }8}

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LengthPrefixCommunicationChannel

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1using System;2using System.IO;3using System.Threading;4using System.Threading.Tasks;5using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;6using Microsoft.VisualStudio.TestPlatform.ObjectModel;7using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.TesthostProtocol;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;13{14 {15 private ITestHostLauncher customLauncher;16 private TestProcessStartInfo customTestHostStartInfo;17 private ICommunicationManager communicationManager;18 private ITestHostLauncher defaultLauncher;19 private TestProcessStartInfo defaultTestHostStartInfo;20 private bool isInitialized;21 private ManualResetEventSlim testHostExited;22 private ITestHostLauncher testHostLauncher;23 private TestProcessStartInfo testHostStartInfo;24 private ManualResetEventSlim testHostLaunched;25 public TestHostManager()26 {27 this.defaultLauncher = new DefaultTestHostLauncher();28 this.defaultTestHostStartInfo = new TestProcessStartInfo();29 this.testHostExited = new ManualResetEventSlim(false);30 this.testHostLaunched = new ManualResetEventSlim(false);31 this.isInitialized = false;32 }33 public event EventHandler<HostProviderEventArgs> HostLaunched;34 public event EventHandler<HostProviderEventArgs> HostExited;35 public event EventHandler<HostProviderEventArgs> HostProviderError;36 public void Initialize(TestProcessStartInfo defaultTestHostStartInfo, ITestHostLauncher defaultLauncher, TestProcessStartInfo customTestHostStartInfo, ITestHostLauncher customLauncher)37 {38 this.defaultTestHostStartInfo = defaultTestHostStartInfo;39 this.defaultLauncher = defaultLauncher;40 this.customTestHostStartInfo = customTestHostStartInfo;41 this.customLauncher = customLauncher;42 this.isInitialized = true;43 }44 public bool LaunchTestHost(TestProcessStartInfo testHostStartInfo)45 {46 if (!this.isInitialized)47 {48 throw new InvalidOperationException("TestHostManager is not initialized.");

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LengthPrefixCommunicationChannel

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1using System;2using System.IO;3using System.IO.Pipes;4using System.Text;5using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;6{7 {8 static void Main(string[] args)9 {10 string pipeName = "test";11 NamedPipeClientStream pipeClient = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut);12 Console.WriteLine("Connecting to server...");13 pipeClient.Connect();14 Console.WriteLine("Connected to server.");15 var channel = new LengthPrefixCommunicationChannel(pipeClient, pipeClient);16 channel.SendMessage(new Message() { MessageType = MessageType.VersionCheck, Payload = Encoding.UTF8.GetBytes("1.0") });17 var message = channel.ReceiveMessage();18 Console.WriteLine($"Received message: {Encoding.UTF8.GetString(message.Payload)}");19 Console.ReadKey();20 }21 }22}23using System;24using System.IO;25using System.IO.Pipes;26using System.Text;27using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;28{29 {30 static void Main(string[] args)31 {32 string pipeName = "test";33 NamedPipeServerStream pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.InOut);34 Console.WriteLine("Waiting for client connection...");35 pipeServer.WaitForConnection();36 Console.WriteLine("Client connected.");37 var channel = new LengthPrefixCommunicationChannel(pipeServer, pipeServer);38 var message = channel.ReceiveMessage();39 Console.WriteLine($"Received message: {Encoding.UTF8.GetString(message.Payload)}");40 channel.SendMessage(new Message() { MessageType = MessageType.VersionCheck, Payload = Encoding.UTF8.GetBytes("1.0") });41 Console.ReadKey();42 }43 }44}

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