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

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

DataCollectionRequestHandler.cs

Source:DataCollectionRequestHandler.cs

...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            {...

HandleBeforeTestRunStart

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10    {11        public override void Initialize(IDataCollectionSink dataSink, DataCollectionLogger logger, DataCollectionEnvironmentContext context, DataCollectionConfiguration configuration)12        {13            base.Initialize(dataSink, logger, context, configuration);14            DataCollectionRequestHandler.HandleBeforeTestRunStart = (events, runContext, frameworkHandle) =>15            {16                Console.WriteLine("HandleBeforeTestRunStart");17            };18        }19    }20}

HandleBeforeTestRunStart

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;7{8    {9        static void Main(string[] args)10        {11            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();12            dataCollectionRequestHandler.HandleBeforeTestRunStart("TestRunDirectory", "TestRunSettings");13        }14    }15}16using System;17using System.Collections.Generic;18using System.Linq;19using System.Text;20using System.Threading.Tasks;21using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;22{23    {24        static void Main(string[] args)25        {26            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();27            dataCollectionRequestHandler.HandleAfterTestRunEnd("TestRunDirectory", "TestRunSettings", "TestRunResults");28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;37{38    {39        static void Main(string[] args)40        {41            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();42            dataCollectionRequestHandler.HandleTestRunStatsChange("TestRunStatsChangePayload");43        }44    }45}46using System;47using System.Collections.Generic;48using System.Linq;49using System.Text;50using System.Threading.Tasks;51using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;52{53    {54        static void Main(string[] args)55        {56            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();57            dataCollectionRequestHandler.HandleLogMessage("MessageLevel", "Message");58        }59    }60}

HandleBeforeTestRunStart

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;7{8    {9        static void Main(string[] args)10        { DataCollectionRequestHandler new DataCollectionRequestHandler

HandleBeforeTestRunStart

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.DataCollection;8using System.Reflection;9{10    {11        static void Main(string[] args)12        {13            DataCollectionRequestHandler handler = new DataCollectionRequestHandler();14            MethodInfo methodInfo = typeof(DataCollectionRequestHandler).GetMethod("HandleBeforeTestRunStart", BindingFlags.NonPublic | BindingFlags.Instance);15            methodInfo.Invoke(handler, new object[] { new DataCollectionEvents(), "test", "test" });16        }17    }18}

HandleBeforeTestRunStart

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.DataCollection;8{9    {10        static void Main(string[] args)11        {12            DataCollectionRequestHandler handler = new DataCollectionRequestHandler();13            handler.HandleBeforeTestRunStart(new BeforeTestRunStartEventArgs(0, new TestPlatformOptions(), new TestRunCriteria(new List<string>() { "1.cs" }, 1), new Dictionary<string, string>()));14            Console.Read();15        }16    }17}18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;24using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;25{26    {27        static void Main(string[] args)28        {29            DataCollectionRequestHandler handler = new DataCollectionRequestHandler();30            handler.HandleAfterTestRunEnd(new AfterTestRunEndEventArgs(0, false, new Dictionary<string, string>()));31            Console.Read();32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;41using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;42{43    {44        static void Main(string[] args)45        {46            DataCollectionRequestHandler handler = new DataCollectionRequestHandler();47            handler.HandleBeforeTestRunStart(new BeforeTestRunStartEventArgs(0, new TestPlatformOptions(), new TestRunCriteria(new List<string>() { "1.cs" }, 1), new Dictionary<string, string>()));48            Console.Read();49        }50    }51}

HandleBeforeTestRunStart

Using AI Code Generation

1            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();2            dataCollectionRequestHandler.HandleBeforeTestRunStart("TestRunDirectory", "TestRunSettings");3        }4    }5}6using System;7using System.Collections.Generic;8using System.Linq;9using System.Text;10using System.Threading.Tasks;11using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;12{13    {14        static void Main(string[] args)15        {16            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();17            dataCollectionRequestHandler.HandleAfterTestRunEnd("TestRunDirectory", "TestRunSettings", "TestRunResults");18        }19    }20}21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;27{code to use HandleRawMessage method of Microsoft.VisualStudio.TestPlatform.Comm

HandleBeforeTestRunStart

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.IO;4using System.Linq;5using System.Reflection;6using System.Runtime.InteropServices;7using System.Threading;8using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;10using Microsoft.VisualStudio.TestPlatform.ObjectModel;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;12{13   {14        public DaaCllectionRequestHandler(): base()15        {16        }17        pblic override void HandleBeforeTetRunStart(DataCollctionParametersdataCollectionParameters, IEnumerable<Uri> attachments)18        {19            base.BeforeTestunStrt(dataCollectionParameters, attachments);20        }21    }22}23using System;24using System.Diagnostics;25using System.IO;26using System.Linq;27using System.Reflection;28using System.Runtime.InteropServices;29using System.Threading;30using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;31using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;32using Microsoft.VisualStudio.TestPlatform.ObjectModel;33using Microsoft.VisualStudio.TestPlatform.Objectodel.Client;34{35    {36        public DataCollectionRequestHandler() : base()37        {38        }39        public override void HandleBeforeTestRunStart(DataCollectionParameters dataCollectionParameters, IEnumerable<Uri> attachments)40        {41            base.HandleBeforeTestRunStart(dataCollectionParameters, attachments);42        }43    }44}45using System;46using System.Diagnstics;47using System.IO;48using System.Linq;49using System.Relection;50using System.Runtime.InteropServices;51using System.Threading;52usingunicationUtilities.DataCollection;53    {54        static void Main(string[] args)55        {56            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();57            dataCollectionRequestHandler.HandleTestRunStatsChange("TestRunStatsChangePayload");58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Threading.Tasks;66using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;67{68    {69        static void Main(string[] args)70        {71            DataCollectionRequestHandler dataCollectionRequestHandler = new DataCollectionRequestHandler();72            dataCollectionRequestHandler.HandleLogMessage("MessageLevel", "Message");73        }74    }75}

HandleBeforeTestRunStart

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;7{8    {9        static void Main(string[] args)10        {

HandleBeforeTestRunStart

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.IO;4using System.Linq;5using System.Reflection;6using System.Runtime.InteropServices;7using System.Threading;8using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;10using Microsoft.VisualStudio.TestPlatform.ObjectModel;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;12{13    {14        public DataCollectionRequestHandler() : base()15        {16        }17        public override void HandleBeforeTestRunStart(DataCollectionParameters dataCollectionParameters, IEnumerable<Uri> attachments)18        {19            base.HandleBeforeTestRunStart(dataCollectionParameters, attachments);20        }21    }22}23using System;24using System.Diagnostics;25using System.IO;26using System.Linq;27using System.Reflection;28using System.Runtime.InteropServices;29using System.Threading;30using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;31using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;32using Microsoft.VisualStudio.TestPlatform.ObjectModel;33using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;34{35    {36        public DataCollectionRequestHandler() : base()37        {38        }39        public override void HandleBeforeTestRunStart(DataCollectionParameters dataCollectionParameters, IEnumerable<Uri> attachments)40        {41            base.HandleBeforeTestRunStart(dataCollectionParameters, attachments);42        }43    }44}45using System;46using System.Diagnostics;47using System.IO;48using System.Linq;49using System.Reflection;50using System.Runtime.InteropServices;51using System.Threading;52using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.