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Microsoft.VisualStudio.TestPlatform.CommunicationUtilities
MessageConverter

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

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

TestRequestSender.cs

Source:TestRequestSender.cs

...440                    break;441                case MessageType.AttachDebugger:442                    var testProcessAttachDebuggerPayload = _dataSerializer.DeserializePayload<TestProcessAttachDebuggerPayload>(message);443                    TPDebug.Assert(testProcessAttachDebuggerPayload is not null, "testProcessAttachDebuggerPayload is null");444                    AttachDebuggerInfo attachDebugerInfo = MessageConverter.ConvertToAttachDebuggerInfo(testProcessAttachDebuggerPayload, message, _protocolVersion);445                    bool result = testRunEventsHandler.AttachDebuggerToProcess(attachDebugerInfo);446                    var resultMessage = _dataSerializer.SerializePayload(447                        MessageType.AttachDebuggerCallback,448                        result,449                        _protocolVersion);450                    EqtTrace.Verbose("TestRequestSender.OnExecutionMessageReceived: Sending AttachDebugger with message: {0}", message);451                    _channel.Send(resultMessage);452                    break;453            }454        }455        catch (Exception exception)456        {457            // If we failed to process the incoming message, initiate client (testhost) abort, because we can't recover, and don't wait458            // for it to exit and write into error stream, because it did not do anything wrong, so no error is coming there459            OnTestRunAbort(testRunEventsHandler, exception, getClientError: false);460        }461    }462    private void OnDiscoveryMessageReceived(ITestDiscoveryEventsHandler2 discoveryEventsHandler, MessageReceivedEventArgs args)463    {464        try465        {466            var rawMessage = args.Data;467            TPDebug.Assert(rawMessage is not null, "rawMessage is null");468            // Currently each of the operations are not separate tasks since they should not each take much time. This is just a notification.469            EqtTrace.Verbose("TestRequestSender.OnDiscoveryMessageReceived: Received message: {0}", rawMessage);470            // Send raw message first to unblock handlers waiting to send message to IDEs471            discoveryEventsHandler.HandleRawMessage(rawMessage);472            var data = _dataSerializer.DeserializeMessage(rawMessage);473            if (data is null)474            {475                EqtTrace.Error("TestRequestSender.OnDiscoveryMessageReceived: Deserialized message is null: {0}", rawMessage);476                OnDiscoveryAbort(discoveryEventsHandler, null, false);477                return;478            }479            switch (data.MessageType)480            {481                case MessageType.TestCasesFound:482                    var testCases = _dataSerializer.DeserializePayload<IEnumerable<TestCase>>(data);483                    discoveryEventsHandler.HandleDiscoveredTests(testCases);484                    break;485                case MessageType.DiscoveryComplete:486                    var payload = _dataSerializer.DeserializePayload<DiscoveryCompletePayload>(data);487                    TPDebug.Assert(payload is not null, "payload is null");488                    var discoveryCompleteEventArgs = new DiscoveryCompleteEventArgs489                    {490                        TotalCount = payload.TotalTests,491                        IsAborted = payload.IsAborted,492                        FullyDiscoveredSources = payload.FullyDiscoveredSources,493                        PartiallyDiscoveredSources = payload.PartiallyDiscoveredSources,494                        NotDiscoveredSources = payload.NotDiscoveredSources,495                        DiscoveredExtensions = payload.DiscoveredExtensions,496                        SkippedDiscoveredSources = payload.SkippedDiscoverySources,497                    };498                    discoveryCompleteEventArgs.Metrics = payload.Metrics;499                    discoveryEventsHandler.HandleDiscoveryComplete(500                        discoveryCompleteEventArgs,501                        payload.LastDiscoveredTests);502                    SetOperationComplete();503                    break;504                case MessageType.TestMessage:505                    var testMessagePayload = _dataSerializer.DeserializePayload<TestMessagePayload>(506                        data);507                    TPDebug.Assert(testMessagePayload is not null, "testMessagePayload is null");508                    discoveryEventsHandler.HandleLogMessage(509                        testMessagePayload.MessageLevel,510                        testMessagePayload.Message);511                    break;512            }513        }514        catch (Exception ex)515        {516            OnDiscoveryAbort(discoveryEventsHandler, ex, false);517        }518    }519    private void OnTestRunAbort(IInternalTestRunEventsHandler testRunEventsHandler, Exception? exception, bool getClientError)520    {521        if (IsOperationComplete())522        {523            EqtTrace.Verbose("TestRequestSender: OnTestRunAbort: Operation is already complete. Skip error message.");524            return;525        }526        EqtTrace.Verbose("TestRequestSender: OnTestRunAbort: Set operation complete.");527        SetOperationComplete();528        var reason = GetAbortErrorMessage(exception, getClientError);529        EqtTrace.Error("TestRequestSender: Aborting test run because {0}", reason);530        LogErrorMessage(string.Format(CultureInfo.CurrentCulture, CommonResources.AbortedTestRun, reason));531        // notify test run abort to vstest console wrapper.532        var completeArgs = new TestRunCompleteEventArgs(null, false, true, exception, null, null, TimeSpan.Zero);533        var payload = new TestRunCompletePayload { TestRunCompleteArgs = completeArgs };534        var rawMessage = _dataSerializer.SerializePayload(MessageType.ExecutionComplete, payload);535        testRunEventsHandler.HandleRawMessage(rawMessage);536        // notify of a test run complete and bail out.537        testRunEventsHandler.HandleTestRunComplete(completeArgs, null, null, null);538    }539    private void OnDiscoveryAbort(ITestDiscoveryEventsHandler2 eventHandler, Exception? exception, bool getClientError)540    {541        if (IsOperationComplete())542        {543            EqtTrace.Verbose("TestRequestSender.OnDiscoveryAbort: Operation is already complete. Skip error message.");544            return;545        }546        EqtTrace.Verbose("TestRequestSender.OnDiscoveryAbort: Set operation complete.");547        SetOperationComplete();548        var discoveryCompleteEventArgs = new DiscoveryCompleteEventArgs(-1, true);549        if (GetAbortErrorMessage(exception, getClientError) is string reason)550        {551            EqtTrace.Error("TestRequestSender.OnDiscoveryAbort: Aborting test discovery because {0}.", reason);552            LogErrorMessage(string.Format(CultureInfo.CurrentCulture, CommonResources.AbortedTestDiscoveryWithReason, reason));553        }554        else555        {556            EqtTrace.Error("TestRequestSender.OnDiscoveryAbort: Aborting test discovery.");557            LogErrorMessage(CommonResources.AbortedTestDiscovery);558        }559        // Notify discovery abort to IDE test output560        var payload = new DiscoveryCompletePayload()561        {562            IsAborted = true,563            LastDiscoveredTests = null,564            TotalTests = -1565        };566        var rawMessage = _dataSerializer.SerializePayload(MessageType.DiscoveryComplete, payload);567        eventHandler.HandleRawMessage(rawMessage);568        // Complete discovery569        eventHandler.HandleDiscoveryComplete(discoveryCompleteEventArgs, null);570    }571    private string? GetAbortErrorMessage(Exception? exception, bool getClientError)572    {573        EqtTrace.Verbose("TestRequestSender.GetAbortErrorMessage: Exception: " + exception);574        // It is also possible for an operation to abort even if client has not575        // disconnected, because we initiate client abort when there is error in processing incoming messages.576        // in this case, we will use the exception as the failure result, if it is present. Otherwise we will577        // try to wait for the client process to exit, and capture it's error output (we are listening to it's standard and578        // error output in the ClientExited callback).579        if (!getClientError)580        {581            return exception?.Message;582        }583        EqtTrace.Verbose("TestRequestSender.GetAbortErrorMessage: Client has disconnected. Wait for standard error.");584        // Wait for test host to exit for a moment585        // TODO: this timeout is 10 seconds, make it also configurable like the other famous timeout that is 100ms586        if (_clientExited.Wait(_clientExitedWaitTime))587        {588            // Set a default message of test host process exited and additionally specify the error if we were able to get it589            // from error output of the process590            EqtTrace.Info("TestRequestSender.GetAbortErrorMessage: Received test host error message.");591            var reason = CommonResources.TestHostProcessCrashed;592            if (!string.IsNullOrWhiteSpace(_clientExitErrorMessage))593            {594                reason = $"{reason} : {_clientExitErrorMessage}";595            }596            return reason;597        }598        else599        {600            EqtTrace.Info("TestRequestSender.GetAbortErrorMessage: Timed out waiting for test host error message.");601            return CommonResources.UnableToCommunicateToTestHost;602        }603    }604    private void LogErrorMessage(string message)605    {606        if (_messageEventHandler == null)607        {608            EqtTrace.Error("TestRequestSender.LogErrorMessage: Message event handler not set. Error: " + message);609            return;610        }611        // Log to vstest console612        _messageEventHandler.HandleLogMessage(TestMessageLevel.Error, message);613        // Log to vs ide test output614        var testMessagePayload = new TestMessagePayload { MessageLevel = TestMessageLevel.Error, Message = message };615        var rawMessage = _dataSerializer.SerializePayload(MessageType.TestMessage, testMessagePayload);616        _messageEventHandler.HandleRawMessage(rawMessage);617    }618    private bool IsOperationComplete()619    {620        return _operationCompleted == 1;621    }622    private void SetOperationComplete()623    {624        // When sharing the testhost between discovery and execution we must keep the625        // testhost alive after completing the operation it was spawned for. As such we626        // suppress the test request sender channel close taking place here. This channel627        // will be closed when the test session owner decides to dispose of the test session628        // object.629        if (!CloseConnectionOnOperationComplete)630        {631            return;632        }633        // Complete the currently ongoing operation (Discovery/Execution)634        EqtTrace.Verbose("TestRequestSender.SetOperationComplete: Setting operation complete.");635        _communicationEndpoint.Stop();636        Interlocked.CompareExchange(ref _operationCompleted, 1, 0);637    }638    private static ICommunicationEndPoint SetCommunicationEndPoint(TestHostConnectionInfo testhostConnectionInfo)639    {640        // TODO: Use factory to get the communication endpoint. It will abstract out the type of communication endpoint like socket, shared memory or named pipe etc.,641        // The connectionInfo here is what is provided to testhost, but we are in runner, and so the role needs642        // to be reversed. If testhost starts as client, then runner must be host, and in reverse.643        if (testhostConnectionInfo.Role != ConnectionRole.Client)644        {645            EqtTrace.Verbose("TestRequestSender is acting as client.");646            return new SocketClient();647        }648        else649        {650            EqtTrace.Verbose("TestRequestSender is acting as server.");651            return new SocketServer();652        }653    }654}655internal class MessageConverter656{657#pragma warning disable IDE0060 // Remove unused parameter // TODO: Use or remove this parameter and the associated method658    internal static AttachDebuggerInfo ConvertToAttachDebuggerInfo(TestProcessAttachDebuggerPayload attachDebuggerPayload, Message message, int protocolVersion)659#pragma warning restore IDE0060 // Remove unused parameter660    {661        // There is nothing to do differently based on those versions.662        //var sourceVersion = GetVersion(message);663        //var targetVersion = protocolVersion;664        return new AttachDebuggerInfo665        {666            ProcessId = attachDebuggerPayload.ProcessID,667            TargetFramework = attachDebuggerPayload?.TargetFramework,668        };669    }...

MessageConverter

Using AI Code Generation

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.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        public static void Main(string[] args)13        {14            var messageConverter = new MessageConverter();15            var message = new TestRunMessage("Test Run Message");16            var messagePayload = messageConverter.Serialize(message);17            var deserializedMessage = messageConverter.Deserialize(messagePayload);18            Console.WriteLine(deserializedMessage.Message);19        }20    }21}

MessageConverter

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var message = MessageConverter.SerializePayload(MessageType.VersionCheck, new VersionCheckPayload { Version = "test" });12            var message2 = MessageConverter.DeserializeMessage(message);13            Console.WriteLine(message2.MessageType);14            Console.WriteLine(message2.Payload);15            Console.ReadLine();16        }17    }18}

MessageConverter

Using AI Code Generation

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.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9{10    {11        static void Main(string[] args)12        {13            TestRunMessage testRunMessage = new TestRunMessage()14            {15            };16            var message = MessageConverter.Serialize(testRunMessage);17            var testRunMessage2 = MessageConverter.Deserialize<TestRunMessage>(message);18            Console.WriteLine("Test run message: " + testRunMessage2.Message);19            Console.ReadLine();20        }21    }22}

MessageConverter

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Serialization;3using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.ObjectModel;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        static void Main(string[] args)12        {13            var message = new TestRunMessage();14            var messageConverter = new MessageConverter();15            var bytes = messageConverter.Serialize(message);16            var deserializedMessage = messageConverter.Deserialize(bytes);17        }18    }19}20using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;21using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Serialization;22using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.ObjectModel;23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28{29    {30        static void Main(string[] args)31        {32            var message = new TestRunMessage();33            var messageConverter = new MessageConverter();34            var bytes = messageConverter.Serialize(message);35            var deserializedMessage = messageConverter.Deserialize(bytes);36        }37    }38}39using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;40using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Serialization;41using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.ObjectModel;42using System;43using System.Collections.Generic;44using System.Linq;45using System.Text;46using System.Threading.Tasks;47{48    {49        static void Main(string[] args)50        {51            var message = new TestRunMessage();52            var messageConverter = new MessageConverter();53            var bytes = messageConverter.Serialize(message);54            var deserializedMessage = messageConverter.Deserialize(bytes);55        }56    }57}58using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;59using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Serialization;60using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.ObjectModel;61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Threading.Tasks;66{67    {68        static void Main(string[] args)69        {70            var message = new TestRunMessage();

MessageConverter

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;3using Microsoft.VisualStudio.TestPlatform.ObjectModel;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;5using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;6using System;7using System.Collections.Generic;8using System.Diagnostics;9using System.Linq;10using System.Text;11using System.Threading.Tasks;12{13    {14        static void Main(string[] args)15        {16            var testPlatform = TestPlatformFactory.GetTestPlatform();17            var testHostLauncher = testPlatform.GetTestHostManager();18            var testRunRequest = testPlatform.CreateTestRunRequest();19            var testRunCriteria = new TestRunCriteria(ne

MessageConverter

Using AI Code Generation

1public void TestMethod1()2{3    var message = new TestMessage();4    var converter = new MessageConverter();5    var json = converter.Serialize(message);6    var deserialized = converter.Deserialize<TestMessage>(json);7    Assert.AreEqual(message, deserialized);8}9{10    public string Text { get; set; }11}12public void TestMethod2()13{14    var message = new TestMessage();15    var converter = new MessageConverter();16    var json = converter.Serialize(message);17    var deserialized = converter.Deserialize<TestMessage>(json);18    Assert.AreEqual(message, deserialized);19}20{21    public string Serialize(object message)22    {23        return JsonConvert.SerializeObject(message);24    }25    public T Deserialize<T>(string json)26    {27        return JsonConvert.DeserializeObject<T>(json);28    }29}30public void TestMethod1()31{

MessageConverter

Using AI Code Generation

1var messageConverter = new MessageConverter();2var json = Encoding.UTF8.GetString(msg);3var messageConverter = new MessageConverter();4var json = Encoding.UTF8.GetString(msg);5var messageConverter = new MessageConverter();6var msg = messageConverter.SerializePayload(MessageType.TestMessage, new TestMessagePayload { MessageType = TestMessagePayload.MessageType.TestResult, TestResult = new TestResult { DisplayName = "test1", Duration = new TimeSpan(0, 0, 0, 0, 123), ComputerName = "localhost", Outcome = TestOutcome.Passed, ErrorMessage = null, ErrorStackTrace = null, TestRunId

MessageConverter

Using AI Code Generation

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.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;11using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;12using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;13{14    {15        public void Initialize(TestLoggerEvents events, string testResultsDir)16        {17            events.TestRunMessage += Events_TestRunMessage;18            events.TestResult += Events_TestResult;19        }20        private void Events_TestResult(object sender, TestResultEventArgs e)21        {22            var messageConverter = new MessageConverter();23            var json = messageConverter.GetJsonString(e.Result);24            Console.WriteLine(json);25        }26        private void Events_TestRunMessage(object sender, TestRunMessageEventArgs e)27        {28            Console.WriteLine(e.Message);29        }30    }31}32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;38using Microsoft.VisualStudio.TestPlatform.ObjectModel;39using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;40using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;41using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;42using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;43using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;44{45    {46        public void Initialize(TestLoggerEvents events, string testResultsDir)47        {48            events.TestRunMessage += Events_TestRunMessage;49            events.TestResult += Events_TestResult;50        }51        private void Events_TestResult(object sender, TestResultEventArgs e)52        {53            var messageConverter = new MessageConverter();54            var json = messageConverter.GetJsonString(e.Result);55            Console.WriteLine(json);56        }57        private void Events_TestRunMessage(object sender, TestRunMessageEventArgs e)58        {59            Console.WriteLine(e.Message);60        }61    }62}63using System;64            var testRunRequest = testPlatform.CreateTestRunRequest();65            var testRunCriteria = new TestRunCriteria(ne

MessageConverter

Using AI Code Generation

1public void TestMethod1()2{3    var message = new TestMessage();4    var converter = new MessageConverter();5    var json = converter.Serialize(message);6    var deserialized = converter.Deserialize<TestMessage>(json);7    Assert.AreEqual(message, deserialized);8}9{10    public string Text { get; set; }11}12public void TestMethod2()13{14    var message = new TestMessage();15    var converter = new MessageConverter();16    var json = converter.Serialize(message);17    var deserialized = converter.Deserialize<TestMessage>(json);18    Assert.AreEqual(message, deserialized);19}20{21    public string Serialize(object message)22    {23        return JsonConvert.SerializeObject(message);24    }25    public T Deserialize<T>(string json)26    {27        return JsonConvert.DeserializeObject<T>(json);28    }29}30public void TestMethod1()31{

MessageConverter

Using AI Code Generation

1var messageConverter = new MessageConverter();2var json = Encoding.UTF8.GetString(msg);3var messageConverter = new MessageConverter();4var json = Encoding.UTF8.GetString(msg);5var messageConverter = new MessageConverter();6var msg = messageConverter.SerializePayload(MessageType.TestMessage, new TestMessagePayload { MessageType = TestMessagePayload.MessageType.TestResult, TestResult = new TestResult { DisplayName = "test1", Duration = new TimeSpan(0, 0, 0, 0, 123), ComputerName = "localhost", Outcome = TestOutcome.Passed, ErrorMessage = null, ErrorStackTrace = null, TestRunId

MessageConverter

Using AI Code Generation

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.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;11using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;12using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;13{14    {15        public void Initialize(TestLoggerEvents events, string testResultsDir)16        {17            events.TestRunMessage += Events_TestRunMessage;18            events.TestResult += Events_TestResult;19        }20        private void Events_TestResult(object sender, TestResultEventArgs e)21        {22            var messageConverter = new MessageConverter();23            var json = messageConverter.GetJsonString(e.Result);24            Console.WriteLine(json);25        }26        private void Events_TestRunMessage(object sender, TestRunMessageEventArgs e)27        {28            Console.WriteLine(e.Message);29        }30    }31}32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;38using Microsoft.VisualStudio.TestPlatform.ObjectModel;39using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;40using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;41using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;42using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;43using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;44{45    {46        public void Initialize(TestLoggerEvents events, string testResultsDir)47        {48            events.TestRunMessage += Events_TestRunMessage;49            events.TestResult += Events_TestResult;50        }51        private void Events_TestResult(object sender, TestResultEventArgs e)52        {53            var messageConverter = new MessageConverter();54            var json = messageConverter.GetJsonString(e.Result);55            Console.WriteLine(json);56        }57        private void Events_TestRunMessage(object sender, TestRunMessageEventArgs e)58        {59            Console.WriteLine(e.Message);60        }61    }62}63using System;

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