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

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.LengthPrefixCommunicationChannel.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 System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;7using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;12using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions;13using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.Interfaces;14using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;15using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;16using System.IO;17{18 {19 static void Main(string[] args)20 {21 var dataSerializer = JsonDataSerializer.Instance;22 var communicationManager = new CommunicationManager();23 var requestHandler = new RequestHandler(communicationManager, dataSerializer);24 var testHostManager = new TestHostManager(communicationManager, dataSerializer);25 var testRequestSender = new TestRequestSender(requestHandler, testHostManager, dataSerializer, new FileHelper(), new PlatformEnvironment());26 string testSource = "C:\\Users\\pavankumar\\Desktop\\TestProject1\\bin\\Debug\\TestProject1.dll";27 var runSettings = "<RunSettings><RunConfiguration><TargetFrameworkVersion>Framework45</TargetFrameworkVersion></RunConfiguration></RunSettings>";28 var discoveryCriteria = new DiscoveryCriteria(new List<string> { testSource }, runSettings, 32);29 var testRunCriteria = new TestRunCriteria(new List<string> { testSource }, runSettings, 32);30 var testPlatformEventSource = TestPlatformEventSource.Instance;31 var testRequestManager = new TestRequestManager(testRequestSender, testPlatformEventSource);32 var testDiscoveryEventsHandler = new TestDiscoveryEventsHandler(testRequestManager);33 var testRunEventsHandler = new TestRunEventsHandler(testRequestManager);34 var discoveryRequest = new DiscoveryRequest(discoveryCriteria, testDiscoveryEventsHandler);35 var runRequest = new TestRunRequest(testRunCriteria, testRunEventsHandler);36 testRequestManager.DiscoverTests(discoveryRequest);37 testRequestManager.RunTests(runRequest);38 Console.ReadLine();39 }40 }41}42using System;43using System.Collections.Generic;44using System.Linq;45using System.Text;46using System.Threading.Tasks;

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LengthPrefixCommunicationChannel

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;7using System.IO;8{9 {10 static void Main(string[] args)11 {12 var channel = new LengthPrefixCommunicationChannel("

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LengthPrefixCommunicationChannel

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1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;5using System;6using System.Collections.Generic;7using System.Diagnostics;8using System.Linq;9using System.Text;10using System.Threading.Tasks;11{12 {13 static void Main(string[] args)14 {15 Message message = new Message();16 message.MessageType = MessageType.VersionCheck;17 message.Payload = Encoding.UTF8.GetBytes("v1");18 channel.Send(message);19 Message receivedMessage = channel.Receive();20 Console.WriteLine("Received message: " + Encoding.UTF8.GetString(receivedMessage.Payload));21 Console.ReadLine();22 }23 }24}25using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;26using Microsoft.VisualStudio.TestPlatform.ObjectModel;27using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;28using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;29using System;30using System.Collections.Generic;31using System.Diagnostics;32using System.Linq;33using System.Text;34using System.Threading.Tasks;35{36 {37 static void Main(string[] args)38 {39 Message receivedMessage = channel.Receive();40 Console.WriteLine("Received message: " + Encoding.UTF8.GetString(receivedMessage.Payload));41 Console.ReadLine();42 }43 }44}

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LengthPrefixCommunicationChannel

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1using System;2using System.IO;3using System.Threading;4using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;5{6 {7 static void Main(string[] args)8 {9 var channel = new LengthPrefixCommunicationChannel();10 channel.Initialize();11 channel.Start();12 var thread = new Thread(() => ReadFromChannel(channel));13 thread.Start();14 var message = "Hello World";15 var bytes = System.Text.Encoding.UTF8.GetBytes(message);16 channel.Send(bytes);17 Console.WriteLine("Message sent to the channel");18 Console.ReadLine();19 }20 static void ReadFromChannel(LengthPrefixCommunicationChannel channel)21 {22 while (true)23 {24 var bytes = channel.Receive();25 var message = System.Text.Encoding.UTF8.GetString(bytes);26 Console.WriteLine("Message received from channel: " + message);27 }28 }29 }30}

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