How to use StartDiscovery method of Microsoft.VisualStudio.TestPlatform.Client.DesignMode.DesignModeClient class

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.Client.DesignMode.DesignModeClient.StartDiscovery

DesignModeClient.cs

Source:DesignModeClient.cs

...131                                var extensionPaths = this.communicationManager.DeserializePayload<IEnumerable<string>>(message);132                                testRequestManager.InitializeExtensions(extensionPaths, skipExtensionFilters: true);133                                break;134                            }135                        case MessageType.StartDiscovery:136                            {137                                var discoveryPayload = this.dataSerializer.DeserializePayload<DiscoveryRequestPayload>(message); 138                                this.StartDiscovery(discoveryPayload, testRequestManager);139                                break;140                            }141                        case MessageType.GetTestRunnerProcessStartInfoForRunAll:142                        case MessageType.GetTestRunnerProcessStartInfoForRunSelected:143                            {144                                var testRunPayload =145                                    this.communicationManager.DeserializePayload<TestRunRequestPayload>(146                                        message);147                                this.StartTestRun(testRunPayload, testRequestManager, skipTestHostLaunch: true);148                                break;149                            }150                        case MessageType.TestRunAllSourcesWithDefaultHost:151                        case MessageType.TestRunSelectedTestCasesDefaultHost:152                            {153                                var testRunPayload =154                                    this.communicationManager.DeserializePayload<TestRunRequestPayload>(155                                        message);156                                this.StartTestRun(testRunPayload, testRequestManager, skipTestHostLaunch: false);157                                break;158                            }159                        case MessageType.CancelTestRun:160                            {161                                testRequestManager.CancelTestRun();162                                break;163                            }164                        case MessageType.AbortTestRun:165                            {166                                testRequestManager.AbortTestRun();167                                break;168                            }169                        case MessageType.CustomTestHostLaunchCallback:170                            {171                                this.onAckMessageReceived?.Invoke(message);172                                break;173                            }174                        case MessageType.SessionEnd:175                            {176                                EqtTrace.Info("DesignModeClient: Session End message received from server. Closing the connection.");177                                isSessionEnd = true;178                                this.Dispose();179                                break;180                            }181                        default:182                            {183                                EqtTrace.Info("DesignModeClient: Invalid Message received: {0}", message);184                                break;185                            }186                    }187                }188                catch (Exception ex)189                {190                    EqtTrace.Error("DesignModeClient: Error processing request: {0}", ex);191                    isSessionEnd = true;192                    this.Dispose();193                }194            }195            while (!isSessionEnd);196        }197        /// <summary>198        /// Send a custom host launch message to IDE199        /// </summary>200        /// <param name="testProcessStartInfo">201        /// The test Process Start Info.202        /// </param>203        /// <returns>204        /// The <see cref="int"/>.205        /// </returns>206        public int LaunchCustomHost(TestProcessStartInfo testProcessStartInfo)207        {208            lock (ackLockObject)209            {210                var waitHandle = new AutoResetEvent(false);211                Message ackMessage = null;212                this.onAckMessageReceived = (ackRawMessage) =>213                {214                    ackMessage = ackRawMessage;215                    waitHandle.Set();216                };217                this.communicationManager.SendMessage(MessageType.CustomTestHostLaunch, testProcessStartInfo);218                // LifeCycle of the TP through DesignModeClient is maintained by the IDEs or user-facing-clients like LUTs, who call TestPlatform219                // TP is handing over the control of launch to these IDEs and so, TP has to wait indefinite220                // Even if TP has a timeout here, there is no way TP can abort or stop the thread/task that is hung in IDE or LUT221                // Even if TP can abort the API somehow, TP is essentially putting IDEs or Clients in inconsistent state without having info on222                // Since the IDEs own user-UI-experience here, TP will let the custom host launch as much time as IDEs define it for their users223                waitHandle.WaitOne();224                this.onAckMessageReceived = null;225                var ackPayload = this.dataSerializer.DeserializePayload<CustomHostLaunchAckPayload>(ackMessage);226                if (ackPayload.HostProcessId > 0)227                {228                    return ackPayload.HostProcessId;229                }230                else231                {232                    throw new TestPlatformException(ackPayload.ErrorMessage);233                }234            }235        }236        /// <summary>237        /// Send the raw messages to IDE238        /// </summary>239        /// <param name="rawMessage"></param>240        public void SendRawMessage(string rawMessage)241        {242            this.communicationManager.SendRawMessage(rawMessage);243        }244        private void StartTestRun(TestRunRequestPayload testRunPayload, ITestRequestManager testRequestManager, bool skipTestHostLaunch)245        {246            Task.Run(247            delegate248            {249                try250                {251                    testRequestManager.ResetOptions();252                    var customLauncher = skipTestHostLaunch ?253                        DesignModeTestHostLauncherFactory.GetCustomHostLauncherForTestRun(this, testRunPayload) : null;254                    testRequestManager.RunTests(testRunPayload, customLauncher, new DesignModeTestEventsRegistrar(this), this.protocolConfig);255                }256                catch (Exception ex)257                {258                    EqtTrace.Error("DesignModeClient: Exception in StartTestRun: " + ex);259                    // If there is an exception during test run request creation or some time during the process260                    // In such cases, TestPlatform will never send a TestRunComplete event and IDE need to be sent a run complete message261                    // We need recoverability in translationlayer-designmode scenarios262                    var testMessagePayload = new TestMessagePayload { MessageLevel = TestMessageLevel.Error, Message = ex.ToString() };263                    this.communicationManager.SendMessage(MessageType.TestMessage, testMessagePayload);264                    var runCompletePayload = new TestRunCompletePayload()265                    {266                        TestRunCompleteArgs = new TestRunCompleteEventArgs(null, false, true, ex, null, TimeSpan.MinValue),267                        LastRunTests = null268                    };269                    // Send run complete to translation layer270                    this.communicationManager.SendMessage(MessageType.ExecutionComplete, runCompletePayload);271                }272            });273        }274        private void StartDiscovery(DiscoveryRequestPayload discoveryRequestPayload, ITestRequestManager testRequestManager)275        {276            Task.Run(277                delegate278                {279                    try280                    {281                        testRequestManager.ResetOptions();282                        testRequestManager.DiscoverTests(discoveryRequestPayload, new DesignModeTestEventsRegistrar(this), this.protocolConfig);283                    }284                    catch (Exception ex)285                    {286                        EqtTrace.Error("DesignModeClient: Exception in StartDiscovery: " + ex);287                        // If there is an exception during test discovery request creation or some time during the process288                        // In such cases, TestPlatform will never send a DiscoveryComplete event and IDE need to be sent a discovery complete message289                        // We need recoverability in translationlayer-designmode scenarios290                        var testMessagePayload = new TestMessagePayload { MessageLevel = TestMessageLevel.Error, Message = ex.ToString() };291                        this.communicationManager.SendMessage(MessageType.TestMessage, testMessagePayload);292                        var payload = new DiscoveryCompletePayload()293                        {294                            IsAborted = true,295                            LastDiscoveredTests = null,296                            TotalTests = -1297                        };298                        // Send run complete to translation layer299                        this.communicationManager.SendMessage(MessageType.DiscoveryComplete, payload);300                    }...

StartDiscovery

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9{10    {11        static void Main(string[] args)12        {13            var client = new DesignModeClient();14            var request = new DiscoveryRequest();15            var handler = new DiscoveryEventHandler();16            client.DiscoverTests(request, handler);17            Console.ReadLine();18        }19    }20}21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;27using Microsoft.VisualStudio.TestPlatform.ObjectModel;28using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;29{30    {31        static void Main(string[] args)32        {33            var client = new DesignModeClient();34            var request = new TestRunRequest();35            var handler = new TestRunEventHandler();36            client.StartTestRun(request, handler);37            Console.ReadLine();38        }39    }40}41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;47using Microsoft.VisualStudio.TestPlatform.ObjectModel;48using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;49{50    {51        static void Main(string[] args)52        {53            var client = new DesignModeClient();54            var request = new TestRunRequest();55            var handler = new TestRunEventHandler();56            client.StartTestDiscovery(request, handler);57            Console.ReadLine();58        }59    }60}61using System;62using System.Collections.Generic;63using System.Linq;64using System.Text;65using System.Threading.Tasks;66using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;67using Microsoft.VisualStudio.TestPlatform.ObjectModel;68using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;69{70    {71        static void Main(string[] args)72        {73            var client = new DesignModeClient();

StartDiscovery

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;6using Microsoft.VisualStudio.TestPlatform.ObjectModel;7using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;9{10    {11        static void Main(string[] args)12        {13            StartDiscovery();14        }15        private static void StartDiscovery()16        {17            var designModeClient = new DesignModeClient();18            designModeClient.OnDiscoveryComplete += DesignModeClient_OnDiscoveryComplete;19            designModeClient.OnDiscoveryMessage += DesignModeClient_OnDiscoveryMessage;20            designModeClient.OnDiscoveryProgress += DesignModeClient_OnDiscoveryProgress;21            designModeClient.StartDiscovery("C:\\Users\\myuser\\source\\repos\\TestProject1\\TestProject1\\bin\\Debug\\netcoreapp2.2\\TestProject1.dll", new TestPlatformOptions(), new TestLoggerEvents(new TestLoggerEventsHandler()));22        }23        private static void DesignModeClient_OnDiscoveryComplete(object sender, DiscoveryCompleteEventArgs e)24        {25            Console.WriteLine("Discovery complete");26        }27        private static void DesignModeClient_OnDiscoveryMessage(object sender, DiscoveryMessageEventArgs e)28        {29            Console.WriteLine("Discovery message: {0}", e.Message);30        }31        private static void DesignModeClient_OnDiscoveryProgress(object sender, DiscoveryProgressEventArgs e)32        {33            Console.WriteLine("Discovered tests: {0}", e.DiscoveredTests);34        }35    }36}

StartDiscovery

Using AI Code Generation

1using System;2using System.Collections.Generic;3using Microsoft.VisualStudio.TestPlatform.ObjectModel;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;5using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;6{7    {8        static void Main(string[] args)9        {10            var client = new Microsoft.VisualStudio.TestPlatform.Client.DesignMode.DesignModeClient();11            var request = new DiscoveryRequest();12            var handler = new DiscoveryEventHandler();13            client.StartDiscovery(request, handler);14            Console.ReadKey();15        }16    }17    {18        public override IEnumerable<string> Sources => new List<string> { "2.dll" };19    }20    {21        public void HandleDiscoveryComplete(DiscoveryCompleteEventArgs discoveryCompleteEventArgs, IEnumerable<TestCase> lastChunk)22        {23            throw new NotImplementedException();24        }25        public void HandleDiscoveredTests(DiscoveredTestsEventArgs discoveredTestsEventArgs)26        {27            throw new NotImplementedException();28        }29        public void HandleLogMessage(TestPlatformEventArg

StartDiscovery

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10{11    {12        static void Main(string[] args)13        {14            var client = new DesignModeClient();15            ar sourcs = ew Lis<string>();16            sources.dd(@"C:\Uses\test\Downloads\test1\test1\bin\Debu\tet1dll");17            var discoveryEvents = new DiscoveryEvents();18            client.StartDiscovery(sources, discoveryEvents);19            nsole.ReadLine();20        }21    }22    {23        {24            Console.WriteLine("Discovery complete"25using System; discoveredTests)26        {27            Console.WriteLine("HandleDiscoveredTests");28        }29        public void HandleLogMessage(TestMessageLevel level, string message)30        {31            Console.WriteLine("HandleLogMessage");32        }33        public void HandleRawMessage(string rawMessage)34        {35            Console.WriteLine("HandleRawMessage");36        }37        public void HandleTestRunMessage(TestMessageLevel level, string message)38        {39            Console.WriteLine("HandleTestRunMessage");40        }41    }42}43Error 1   The type or namespace name 'DesignMode' does not exist in the namespace'Microsoft.VisualStudio.TestPlatform.Client' (are you missing an assembly reference?) C:\Users\test\Downloads\test1\test1\3.cs   3   7   test144using System.Collections.Generic;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48using Microsoft.VisualStudio.TestPlatform.Client.DesignMode;49using Microsoft.VisualStudio.TestPlatform.ObjectModel;50using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;51using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;52using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;53using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;54using System.Threading;55using System.Diagnostics;56using System.IO;57using System.Reflection;58using System.Xml;59using System.Xml.Linq;60using System.Xml.XPath;61{62    {63        static void Main(string[] args)64        {65      <TestAdaptersPaths>C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\TestPlatform\Extensions\Microsoft\TestWindow</TestAdaptersPaths>66  </RunSettings>";67            var testSources = new List<string>();68            testSources.Add(@"C:\Users\saksham\Desktop\ClassLibrary1\ClassLibrary1\bin\Debug\ClassLibrary1.dll");69            var designModeClient = new DesignModeClient();70            designModeClient.StartDiscovery(runSettings, testSources);71            var discoveryEventHandler = new DiscoveryEventHandler();72            designModeClient.DiscoverTests(testSources, runSettings, discoveryEventHandler);73            Console.ReadLine();74        }75    }76    {77        public void HandleDiscoveryComplete(int totalTests, IEnumerable<TestCase> lastChunk, bool isAborted, IEnumerable<DiscoveryCompleteEventArgs2> discoveryCompleteEventArgs)78        {79            Console.WriteLine("Total tests: " + totalTests);80            Console.WriteLine("Last chunk: " + lastChunk.Count());81            Console.WriteLine("Is aborted: " + isAborted);82            Console.WriteLine("Discovery complete event args: " + discoveryCompleteEventArgs.Count());83        }84        public void HandleDiscoveredTests(IEnumerable<TestCase> discovered

StartDiscovery

Using AI Code Generation

1using  System;2 using  System.Collections.Generic;3 using  System.Linq;4 using  System.Text;5 using  System.Threading.Tasks;6 using  Microsoft.VisualStudio.TestPlatform.Client.DesignMode;7 using  Microsoft.VisualStudio.TestPlatform.ObjectModel;8{9    {10         static   void  Main( string [] args)11        {12            DesignModeClient client =  new  DesignModeClient();13            client.StartDiscovery( new  DiscoveryCriteria( "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\Common7\\IDE\\Extensions\\Microsoft\\TestWindow\\vstest.console.exe" ));14            client.StopDiscovery();15            client.StartTestRun( new  TestRunCriteria( "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\Common7\\IDE\\Extensions\\Microsoft\\TestWindow\\vstest.console.exe" ));16            client.StopTestRun();17        }18    }19}20using  System;21 using  System.Collections.Generic;22 using  System.Linq;23 using  System.Text;24 using  System.Threading.Tasks;25 using  Microsoft.VisualStudio.TestPlatform.Client.DesignMode;26 using  Microsoft.VisualStudio.TestPlatform.ObjectModel;27{28    {29         static   void  Main( string [] args)30        {31            DesignModeClient client =  new  DesignModeClient();32            client.StartDiscovery( new  DiscoveryCriteria( "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\Common7\\IDE\\Extensions\\Microsoft\\TestWindow\\vstest.console.exe" ));33            client.StopDiscovery();34            client.StartTestRun( new  TestRunCriteria( "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\Common7\\IDE\\Extensions\\Microsoft\\TestWindow\\vstest.console.exe" ));35            client.StopTestRun();36        }37    }38}

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.