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Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection
DataCollectionRequestHandler

How to use DataCollectionRequestHandler class of Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection.DataCollectionRequestHandler

DataCollectionRequestHandler.cs

Source:DataCollectionRequestHandler.cs

...28    using CoreUtilitiesConstants = Microsoft.VisualStudio.TestPlatform.CoreUtilities.Constants;29    /// <summary>30    /// Handles test session events received from vstest console process.31    /// </summary>32    internal class DataCollectionRequestHandler : IDataCollectionRequestHandler, IDisposable33    {34        private static readonly object SyncObject = new object();35        private readonly ICommunicationManager communicationManager;36        private IMessageSink messageSink;37        private IDataCollectionManager dataCollectionManager;38        private IDataCollectionTestCaseEventHandler dataCollectionTestCaseEventHandler;39        private Task testCaseEventMonitorTask;40        private IDataSerializer dataSerializer;41        /// <summary>42        /// Use to cancel data collection test case events monitoring if test run is cancelled.43        /// </summary>44        private CancellationTokenSource cancellationTokenSource;45        /// <summary>46        /// Initializes a new instance of the <see cref="DataCollectionRequestHandler"/> class.47        /// </summary>48        /// <param name="messageSink">49        /// The message sink.50        /// </param>51        protected DataCollectionRequestHandler(IMessageSink messageSink)52            : this(53                new SocketCommunicationManager(),54                messageSink,55                DataCollectionManager.Create(messageSink),56                new DataCollectionTestCaseEventHandler(),57                JsonDataSerializer.Instance)58        {59            this.messageSink = messageSink;60        }61        /// <summary>62        /// Initializes a new instance of the <see cref="DataCollectionRequestHandler"/> class.63        /// </summary>64        /// <param name="communicationManager">65        /// The communication manager.66        /// </param>67        /// <param name="messageSink">68        /// The message sink.69        /// </param>70        /// <param name="dataCollectionManager">71        /// The data collection manager.72        /// </param>73        /// <param name="dataCollectionTestCaseEventHandler">74        /// The data collection test case event handler.75        /// </param>76        /// <param name="dataSerializer">77        /// Serializer for serialization and deserialization of the messages.78        /// </param>79        protected DataCollectionRequestHandler(80            ICommunicationManager communicationManager,81            IMessageSink messageSink,82            IDataCollectionManager dataCollectionManager,83            IDataCollectionTestCaseEventHandler dataCollectionTestCaseEventHandler,84            IDataSerializer dataSerializer)85        {86            this.communicationManager = communicationManager;87            this.messageSink = messageSink;88            this.dataCollectionManager = dataCollectionManager;89            this.dataSerializer = dataSerializer;90            this.dataCollectionTestCaseEventHandler = dataCollectionTestCaseEventHandler;91            this.cancellationTokenSource = new CancellationTokenSource();92        }93        /// <summary>94        /// Gets the singleton instance of DataCollectionRequestHandler.95        /// </summary>96        public static DataCollectionRequestHandler Instance { get; private set; }97        /// <summary>98        /// Creates singleton instance of DataCollectionRequestHandler.99        /// </summary>100        /// <param name="communicationManager">101        /// Handles socket communication.102        /// </param>103        /// <param name="messageSink">104        /// Message sink for sending messages to execution process.105        /// </param>106        /// <returns>107        /// The instance of <see cref="DataCollectionRequestHandler"/>.108        /// </returns>109        public static DataCollectionRequestHandler Create(110            ICommunicationManager communicationManager,111            IMessageSink messageSink)112        {113            ValidateArg.NotNull(communicationManager, nameof(communicationManager));114            ValidateArg.NotNull(messageSink, nameof(messageSink));115            if (Instance == null)116            {117                lock (SyncObject)118                {119                    if (Instance == null)120                    {121                        Instance = new DataCollectionRequestHandler(122                            communicationManager,123                            messageSink,124                            DataCollectionManager.Create(messageSink),125                            new DataCollectionTestCaseEventHandler(),126                            JsonDataSerializer.Instance);127                    }128                }129            }130            return Instance;131        }132        /// <inheritdoc />133        public void InitializeCommunication(int port)134        {135            this.communicationManager.SetupClientAsync(new IPEndPoint(IPAddress.Loopback, port));136        }137        /// <inheritdoc />138        public bool WaitForRequestSenderConnection(int connectionTimeout)139        {140            return this.communicationManager.WaitForServerConnection(connectionTimeout);141        }142        /// <summary>143        /// Process requests.144        /// </summary>145        public void ProcessRequests()146        {147            var isSessionEnded = false;148            do149            {150                var message = this.communicationManager.ReceiveMessage();151                if (EqtTrace.IsInfoEnabled)152                {153                    EqtTrace.Info("DataCollectionRequestHandler.ProcessRequests : Datacollector received message: {0}", message);154                }155                switch (message.MessageType)156                {157                    case MessageType.BeforeTestRunStart:158                        this.HandleBeforeTestRunStart(message);159                        break;160                    case MessageType.AfterTestRunEnd:161                        this.HandleAfterTestRunEnd(message);162                        isSessionEnded = true;163                        break;164                    case MessageType.TestHostLaunched:165                        var testHostLaunchedPayload = this.dataSerializer.DeserializePayload<TestHostLaunchedPayload>(message);166                        this.dataCollectionManager.TestHostLaunched(testHostLaunchedPayload.ProcessId);167                        break;168                    default:169                        EqtTrace.Error("DataCollectionRequestHandler.ProcessRequests : Invalid Message types: {0}", message.MessageType);170                        break;171                }172            }173            while (!isSessionEnded);174        }175        /// <summary>176        /// Sends datacollection message.177        /// </summary>178        /// <param name="args">179        /// The args.180        /// </param>181        public void SendDataCollectionMessage(DataCollectionMessageEventArgs args)182        {183            this.communicationManager.SendMessage(MessageType.DataCollectionMessage, args);184        }185        /// <summary>186        /// The dispose.187        /// </summary>188        public void Dispose()189        {190            this.communicationManager?.StopClient();191        }192        /// <summary>193        /// Closes the connection194        /// </summary>195        public void Close()196        {197            this.Dispose();198            EqtTrace.Info("Closing the connection !");199        }200        /// <summary>201        /// Update the test adapter paths provided through run settings to be used by the test plugin cache.202        /// </summary>203        /// <param name="runSettings">204        /// The run Settings.205        /// </param>206        private void AddExtensionAssemblies(string runSettings)207        {208            try209            {210                IEnumerable<string> customTestAdaptersPaths = RunSettingsUtilities.GetTestAdaptersPaths(runSettings);211                if (customTestAdaptersPaths != null)212                {213                    var fileHelper = new FileHelper();214                    List<string> extensionAssemblies = new List<string>();215                    foreach (var customTestAdaptersPath in customTestAdaptersPaths)216                    {217                        var adapterPath =218                            Path.GetFullPath(Environment.ExpandEnvironmentVariables(customTestAdaptersPath));219                        if (!fileHelper.DirectoryExists(adapterPath))220                        {221                            EqtTrace.Warning(string.Format("AdapterPath Not Found:", adapterPath));222                            continue;223                        }224                        extensionAssemblies.AddRange(225                            fileHelper.EnumerateFiles(226                                adapterPath,227                                SearchOption.AllDirectories,228                                TestPlatformConstants.DataCollectorEndsWithPattern));229                    }230                    if (extensionAssemblies.Count > 0)231                    {232                        TestPluginCache.Instance.UpdateExtensions(extensionAssemblies, skipExtensionFilters: false);233                    }234                }235            }236            catch (Exception e)237            {238                // If any exception is throuwn while updating additional assemblies, log the exception in eqt trace.239                if (EqtTrace.IsErrorEnabled)240                {241                    EqtTrace.Error("DataCollectionRequestHandler.AddExtensionAssemblies: Exception occured: {0}", e);242                }243            }244        }245        private void HandleBeforeTestRunStart(Message message)246        {247            // Initialize datacollectors and get enviornment variables.248            var payload = this.dataSerializer.DeserializePayload<BeforeTestRunStartPayload>(message);249            this.AddExtensionAssemblies(payload.SettingsXml);250            var envVariables = this.dataCollectionManager.InitializeDataCollectors(payload.SettingsXml);251            var properties = new Dictionary<string, object>();252            properties.Add(CoreUtilitiesConstants.TestSourcesKeyName, payload.Sources);253            var eventArgs = new SessionStartEventArgs(properties);254            var areTestCaseLevelEventsRequired = this.dataCollectionManager.SessionStarted(eventArgs);255            // Open a socket communication port for test level events.256            var testCaseEventsPort = 0;257            if (areTestCaseLevelEventsRequired)258            {259                testCaseEventsPort = this.dataCollectionTestCaseEventHandler.InitializeCommunication();260                this.testCaseEventMonitorTask = Task.Factory.StartNew(261                    () =>262                    {263                        try264                        {265                            var timeout = EnvironmentHelper.GetConnectionTimeout();266                            if (this.dataCollectionTestCaseEventHandler.WaitForRequestHandlerConnection(267                                timeout * 1000))268                            {269                                this.dataCollectionTestCaseEventHandler.ProcessRequests();270                            }271                            else272                            {273                                EqtTrace.Error(274                                    "DataCollectionRequestHandler.HandleBeforeTestRunStart: TestCaseEventHandler timed out while connecting to the Sender.");275                                this.dataCollectionTestCaseEventHandler.Close();276                                throw new TestPlatformException(277                                    string.Format(278                                        CultureInfo.CurrentUICulture,279                                        CommunicationUtilitiesResources.ConnectionTimeoutErrorMessage,280                                        CoreUtilitiesConstants.DatacollectorProcessName,281                                        CoreUtilitiesConstants.TesthostProcessName,282                                        timeout,283                                        EnvironmentHelper.VstestConnectionTimeout));284                            }285                        }286                        catch (Exception e)287                        {288                            EqtTrace.Error("DataCollectionRequestHandler.HandleBeforeTestRunStart : Error occured during initialization of TestHost : {0}", e);289                        }290                    },291                    this.cancellationTokenSource.Token);292            }293            this.communicationManager.SendMessage(294                MessageType.BeforeTestRunStartResult,295                new BeforeTestRunStartResult(envVariables, testCaseEventsPort));296            EqtTrace.Info("DataCollectionRequestHandler.ProcessRequests : DataCollection started.");297        }298        private void HandleAfterTestRunEnd(Message message)299        {300            var isCancelled = this.dataSerializer.DeserializePayload<bool>(message);301            if (isCancelled)302            {303                this.cancellationTokenSource.Cancel();304            }305            try306            {307                this.testCaseEventMonitorTask?.Wait(this.cancellationTokenSource.Token);308                this.dataCollectionTestCaseEventHandler.Close();309            }310            catch (Exception ex)311            {312                EqtTrace.Error("DataCollectionRequestHandler.HandleAfterTestRunEnd : Error while processing event from testhost: {0}", ex.ToString());313            }314            var attachmentsets = this.dataCollectionManager.SessionEnded(isCancelled);315            // Dispose all datacollectors before sending attachements to vstest.console process.316            // As datacollector process exits itself on parent process(vstest.console) exits.317            this.dataCollectionManager?.Dispose();318            this.communicationManager.SendMessage(MessageType.AfterTestRunEndResult, attachmentsets);319            EqtTrace.Info("DataCollectionRequestHandler.ProcessRequests : Session End message received from server. Closing the connection.");320            this.Close();321            EqtTrace.Info("DataCollectionRequestHandler.ProcessRequests : DataCollection completed");322        }323    }324}...

DataCollectionRequestHandler

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection.Interfaces;3using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;4using Microsoft.VisualStudio.TestPlatform.ObjectModel;5using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;6using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;7using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.TesthostProtocol;10using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;11using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;12{13    {14        private IDataCollectionManager dataCollectionManager;15        private IDataSerializer dataSerializer;16        private ICommunicationManager communicationManager;

DataCollectionRequestHandler

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;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            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();12            dataCollectionRequestHandler.Start();13            Console.ReadLine();14        }15    }16}17using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23{24    {25        static void Main(string[] args)26        {27            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();28            dataCollectionRequestHandler.Start();29            Console.ReadLine();30        }31    }32}33using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;34using System;35using System.Collections.Generic;36using System.Linq;37using System.Text;38using System.Threading.Tasks;39{40    {41        static void Main(string[] args)42        {43            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();44            dataCollectionRequestHandler.Start();45            Console.ReadLine();46        }47    }48}49using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;50using System;51using System.Collections.Generic;52using System.Linq;53using System.Text;54using System.Threading.Tasks;55{56    {57        static void Main(string[] args)58        {59            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();60            dataCollectionRequestHandler.Start();61            Console.ReadLine();62        }

DataCollectionRequestHandler

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using System;4using System.Collections.Generic;5using System.Diagnostics;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        public void Initialize(IDataCollectionSink dataCollectionSink)12        {13        }14        public void HandleDataCollectionAttachmentSets(DataCollectionContext dataCollectionContext, ICollection<AttachmentSet> attachmentSets)15        {16        }17        public void HandleLogMessage(DataCollectionContext dataCollectionContext, string message)18        {19        }20    }21}22using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;23using Microsoft.VisualStudio.TestPlatform.ObjectModel;24using System;25using System.Collections.Generic;26using System.Diagnostics;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30{31    {32        static void Main(string[] args)33        {34            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();35            ITestPlatform testPlatform = TestPlatformFactory.GetTestPlatform();36            testPlatform.RunTests(new List<string> { @"C:\Users\user\source\repos\TestProject1\bin\Debug\TestProject1.dll" }, dataCollectionRequestHandler, null);37        }38    }39}40using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;41using Microsoft.VisualStudio.TestPlatform.ObjectModel;42using System;43using System.Collections.Generic;44using System.Diagnostics;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48{49    {50        static void Main(string[] args)51        {52            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();

DataCollectionRequestHandler

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;2using System.Collections.Generic;3{4    {5        public override void Initialize(IDictionary<string, string> environmentVariables)6        {7        }8        public override void SessionStarted()9        {10        }11        public override void SessionEnded()12        {13        }14        public override void TestCaseStarted(TestCaseStartEventArgs testCaseStartEventArgs)15        {16        }17        public override void TestCaseEnded(TestCaseEndEventArgs testCaseEndEventArgs)18        {19        }20    }21}22using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;23using System.Collections.Generic;24{25    [DataCollectorFriendlyName("MyDataCollector")]26    {27        public override void Initialize(IDictionary<string, string> environmentVariables)28        {29        }30        public override void SessionStarted()31        {32        }33        public override void SessionEnded()34        {35        }36        public override void TestCaseStarted(TestCaseStartEventArgs testCaseStartEventArgs)37        {38        }39        public override void TestCaseEnded(TestCaseEndEventArgs testCaseEndEventArgs)40        {41        }42    }43}

DataCollectionRequestHandler

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.DataCollection;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8{9    {10        static void Main(string[] args)11        {12            var dataCollectionRequestHandler = DataCollectionRequestHandler.Instance;13            dataCollectionRequestHandler.InitializeCommunication();14            dataCollectionRequestHandler.BeforeTestRunStart(new System.Collections.ObjectModel.Collection<AttachmentSet>(), true, false, null, null);15            Console.ReadLine();16        }17    }18}

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