KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use ThrowExceptionIfTestHostManagerIsNull method of Microsoft.VisualStudio.TestPlatform.Client.TestPlatform class

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.Client.TestPlatform.ThrowExceptionIfTestHostManagerIsNull

TestPlatform.cs

Source:TestPlatform.cs

...90            // Initialize loggers.91            var loggerManager = this.TestEngine.GetLoggerManager(requestData);92            loggerManager.Initialize(discoveryCriteria.RunSettings);93            var testHostManager = this.testHostProviderManager.GetTestHostManagerByRunConfiguration(discoveryCriteria.RunSettings);94            ThrowExceptionIfTestHostManagerIsNull(testHostManager, discoveryCriteria.RunSettings);95            testHostManager.Initialize(TestSessionMessageLogger.Instance, discoveryCriteria.RunSettings);96            var discoveryManager = this.TestEngine.GetDiscoveryManager(requestData, testHostManager, discoveryCriteria);97            discoveryManager.Initialize(options?.SkipDefaultAdapters ?? false);98            return new DiscoveryRequest(requestData, discoveryCriteria, discoveryManager, loggerManager);99        }100        /// <inheritdoc/>101        public ITestRunRequest CreateTestRunRequest(102            IRequestData requestData,103            TestRunCriteria testRunCriteria,104            TestPlatformOptions options)105        {106            if (testRunCriteria == null)107            {108                throw new ArgumentNullException(nameof(testRunCriteria));109            }110            this.AddExtensionAssemblies(testRunCriteria.TestRunSettings);111            var runConfiguration = XmlRunSettingsUtilities.GetRunConfigurationNode(testRunCriteria.TestRunSettings);112            // Update extension assemblies from source when design mode is false.113            if (!runConfiguration.DesignMode)114            {115                this.AddExtensionAssembliesFromSource(testRunCriteria);116            }117            // Initialize loggers.118            var loggerManager = this.TestEngine.GetLoggerManager(requestData);119            loggerManager.Initialize(testRunCriteria.TestRunSettings);120            var testHostManager = this.testHostProviderManager.GetTestHostManagerByRunConfiguration(testRunCriteria.TestRunSettings);121            ThrowExceptionIfTestHostManagerIsNull(testHostManager, testRunCriteria.TestRunSettings);122            testHostManager.Initialize(TestSessionMessageLogger.Instance, testRunCriteria.TestRunSettings);123            // NOTE: The custom launcher should not be set when we have test session info available.124            if (testRunCriteria.TestHostLauncher != null)125            {126                testHostManager.SetCustomLauncher(testRunCriteria.TestHostLauncher);127            }128            var executionManager = this.TestEngine.GetExecutionManager(requestData, testHostManager, testRunCriteria);129            executionManager.Initialize(options?.SkipDefaultAdapters ?? false);130            return new TestRunRequest(requestData, testRunCriteria, executionManager, loggerManager);131        }132        /// <inheritdoc/>133        public void StartTestSession(134            IRequestData requestData,135            StartTestSessionCriteria testSessionCriteria,136            ITestSessionEventsHandler eventsHandler)137        {138            if (testSessionCriteria == null)139            {140                throw new ArgumentNullException(nameof(testSessionCriteria));141            }142            this.AddExtensionAssemblies(testSessionCriteria.RunSettings);143            var runConfiguration = XmlRunSettingsUtilities.GetRunConfigurationNode(testSessionCriteria.RunSettings);144            // Update extension assemblies from source when design mode is false.145            //146            // TODO (copoiena): Is it possible for this code to run if we're not in design mode ?147            // An use case for this would be when running tests with "dotnet test". Usually there's148            // a build involved then.149            if (!runConfiguration.DesignMode)150            {151                return;152            }153            // Initialize loggers.154            var loggerManager = this.TestEngine.GetLoggerManager(requestData);155            loggerManager.Initialize(testSessionCriteria.RunSettings);156            var testHostManager = this.testHostProviderManager.GetTestHostManagerByRunConfiguration(testSessionCriteria.RunSettings);157            ThrowExceptionIfTestHostManagerIsNull(testHostManager, testSessionCriteria.RunSettings);158            testHostManager.Initialize(TestSessionMessageLogger.Instance, testSessionCriteria.RunSettings);159            if (testSessionCriteria.TestHostLauncher != null)160            {161                testHostManager.SetCustomLauncher(testSessionCriteria.TestHostLauncher);162            }163            var testSessionManager = this.TestEngine.GetTestSessionManager(requestData, testHostManager, testSessionCriteria);164            if (testSessionManager == null)165            {166                // The test session manager is null because the combination of runsettings and167                // sources tells us we should run in-process (i.e. in vstest.console). Because168                // of this no session will be created because there's no testhost to be launched.169                // Expecting a subsequent call to execute tests with the same set of parameters.170                eventsHandler.HandleStartTestSessionComplete(null);171                return;172            }173            testSessionManager.Initialize(false);174            testSessionManager.StartSession(testSessionCriteria, eventsHandler);175        }176        /// <summary>177        /// The dispose.178        /// </summary>179        public void Dispose()180        {181            throw new NotImplementedException();182        }183        /// <inheritdoc/>184        public void UpdateExtensions(185            IEnumerable<string> pathToAdditionalExtensions,186            bool skipExtensionFilters)187        {188            this.TestEngine.GetExtensionManager().UseAdditionalExtensions(pathToAdditionalExtensions, skipExtensionFilters);189        }190        /// <inheritdoc/>191        public void ClearExtensions()192        {193            this.TestEngine.GetExtensionManager().ClearExtensions();194        }195        private void ThrowExceptionIfTestHostManagerIsNull(196            ITestRuntimeProvider testHostManager,197            string settingXml)198        {199            if (testHostManager == null)200            {201                EqtTrace.Error("TestPlatform.CreateTestRunRequest: No suitable testHostProvider found for runsettings : {0}", settingXml);202                throw new TestPlatformException(string.Format(CultureInfo.CurrentCulture, ClientResources.NoTestHostProviderFound));203            }204        }205        /// <summary>206        /// Updates the test adapter paths provided through run settings to be used by the test207        /// service.208        /// </summary>209        ///...

ThrowExceptionIfTestHostManagerIsNull

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;7{8    {9        static void Main(string[] args)10        {11            TestPlatform tp = new TestPlatform();12            tp.ThrowExceptionIfTestHostManagerIsNull();13        }14    }15}16Error 1 The type or namespace name 'TestPlatform' does not exist in the namespace 'Microsoft.VisualStudio.TestPlatform.Client' (are you missing an assembly reference?) C:\Users\matt\Documents\Visual Studio 2013\Projects\test\test\Program.cs 11 5 test17 Error 1 The type or namespace name 'TestPlatform' does not exist in the namespace 'Microsoft.VisualStudio.TestPlatform.Client' (are you missing an assembly reference?) C:\Users\matt\Documents\Visual Studio 2013\Projects\test\test\Program.cs 11 5 test18C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\CommonExtensions\Microsoft\TestWindow

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;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            TestPlatform testPlatform = new TestPlatform();12            testPlatform.ThrowExceptionIfTestHostManagerIsNull();13        }14    }15}16using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22{23    {24        static void Main(string[] args)25        {26            TestPlatform testPlatform = new TestPlatform();27            DiscoveryCriteria discoveryCriteria = new DiscoveryCriteria(new string[] { @"C:\Users\Public\Documents\Visual Studio 2013\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.dll" }, 1, null, null);28            DiscoveryRequest discoveryRequest = testPlatform.CreateDiscoveryRequest(discoveryCriteria);29        }30    }31}32using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;33using System;34using System.Collections.Generic;35using System.Linq;36using System.Text;37using System.Threading.Tasks;38{39    {40        static void Main(string[] args)41        {42            TestPlatform testPlatform = new TestPlatform();43            TestRunCriteria testRunCriteria = new TestRunCriteria(new string[] { @"C:\Users\Public\Documents\Visual Studio 2013\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.dll" }, 1, false, null, null, null, null);44            TestRunRequest testRunRequest = testPlatform.CreateTestRunRequest(testRunCriteria);45        }46    }47}48using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;49using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;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        {

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            TestPlatform testPlatform = new TestPlatform();13            testPlatform.ThrowExceptionIfTestHostManagerIsNull();14            Console.ReadLine();15        }16    }17}

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

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

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;2var testPlatform = new TestPlatform();3testPlatform.ThrowExceptionIfTestHostManagerIsNull();4using Microsoft.VisualStudio.TestPlatform.Client;5var testPlatform = new TestPlatform();6testPlatform.ThrowExceptionIfTestHostManagerIsNull();

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;2using Microsoft.VisualStudio.TestPlatform.Common;3using Microsoft.VisualStudio.TestPlatform.ObjectModel;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;5using System;6{7    {8        static void Main(string[] args)9        {10            TestPlatform testPlatform = new TestPlatform();11            testPlatform.ThrowExceptionIfTestHostManagerIsNull();12            Console.WriteLine("Hello World!");13        }14    }15}16using Microsoft.VisualStudio.TestPlatform.Client;17using Microsoft.VisualStudio.TestPlatform.Common;18using Microsoft.VisualStudio.TestPlatform.ObjectModel;19using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;20using System;21{22    {23        static void Main(string[] args)24        {25            TestPlatform testPlatform = new TestPlatform();26            testPlatform.GetTestHostProcessStartInfo("testhost.dll");27            Console.WriteLine("Hello World!");28        }29    }30}31using Microsoft.VisualStudio.TestPlatform.Client;32using Microsoft.VisualStudio.TestPlatform.Common;33using Microsoft.VisualStudio.TestPlatform.ObjectModel;34using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;35using System;36{37    {38        static void Main(string[] args)39        {40            TestPlatform testPlatform = new TestPlatform();41            testPlatform.GetTestHostProcessStartInfo("testhost.dll", null);42            Console.WriteLine("Hello World!");43        }44    }45}46using Microsoft.VisualStudio.TestPlatform.Client;47using Microsoft.VisualStudio.TestPlatform.Common;48using Microsoft.VisualStudio.TestPlatform.ObjectModel;49using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;50using System;51{52    {53        static void Main(string[] args)54        {55            TestPlatform testPlatform = new TestPlatform();56            testPlatform.GetTestHostProcessStartInfo("testhost.dll", null, null);57            Console.WriteLine("Hello World!");58        }59    }60}61using Microsoft.VisualStudio.TestPlatform.Client;62using Microsoft.VisualStudio.TestPlatform.Common;63using Microsoft.VisualStudio.TestPlatform.ObjectModel;

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1var testPlatform = new TestPlatform();2var testHostManager = testPlatform.ThrowExceptionIfTestHostManagerIsNull();3using Microsoft.VisualStudio.TestPlatform.Client;4{5    {6        static void Main(string[] args)7        {8            var testPlatform = new TestPlatform();9            var testHostManager = testPlatform.ThrowExceptionIfTestHostManagerIsNull();10        }11    }12}

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;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            TestPlatform testPlatform = new TestPlatform();14            testPlatform.ThrowExceptionIfTestHostManagerIsNull();15        }16    }17}18using Microsoft.VisualStudio.TestPlatform.Client;19using Microsoft.VisualStudio.TestPlatform.ObjectModel;20using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;21using System;22using System.Collections.Generic;23using System.Linq;24using System.Threading.Tasks;25{26    {27        static void Main(string[] args)28        {29            TestPlatform testPlatform = new TestPlatform();30            testPlatform.InitializeExtensions();31        }32    }33}34using Microsoft.VisualStudio.TestPlatform.Client;35using Microsoft.VisualStudio.TestPlatform.ObjectModel;36using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;37using System;38using System.Collections.Generic;39using System.Linq;40using System.Threading.Tasks;41{42    {43        static void Main(string[] args)44        {45            TestPlatform testPlatform = new TestPlatform();46            testPlatform.CreateDiscoveryRequest();47        }48    }49}50using Microsoft.VisualStudio.TestPlatform.Client;51using Microsoft.VisualStudio.TestPlatform.ObjectModel;52using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Threading.Tasks;57{58    {59        static void Main(string[] args)60        {61            TestPlatform testPlatform = new TestPlatform();62            testPlatform.CreateTestRunRequest();63        }64    }65}66using Microsoft.VisualStudio.TestPlatform.Client;67using Microsoft.VisualStudio.TestPlatform.Client;68{69    {70        static void Main(string[] args)71        {72            var testPlatform = new TestPlatform();73            var testHostManager = testPlatform.ThrowExceptionIfTestHostManagerIsNull();74        }75    }76}

ThrowExceptionIfTestHostManagerIsNull

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Client;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;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            TestPlatform testPlatform = new TestPlatform();14            testPlatform.ThrowExceptionIfTestHostManagerIsNull();15        }16    }17}18using Microsoft.VisualStudio.TestPlatform.Client;19using Microsoft.VisualStudio.TestPlatform.ObjectModel;20using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;21using System;22using System.Collections.Generic;23using System.Linq;24using System.Threading.Tasks;25{26    {27        static void Main(string[] args)28        {29            TestPlatform testPlatform = new TestPlatform();30            testPlatform.InitializeExtensions();31        }32    }33}34using Microsoft.VisualStudio.TestPlatform.Client;35using Microsoft.VisualStudio.TestPlatform.ObjectModel;36using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;37using System;38using System.Collections.Generic;39using System.Linq;40using System.Threading.Tasks;41{42    {43        static void Main(string[] args)44        {45            TestPlatform testPlatform = new TestPlatform();46            testPlatform.CreateDiscoveryRequest();47        }48    }49}50using Microsoft.VisualStudio.TestPlatform.Client;51using Microsoft.VisualStudio.TestPlatform.ObjectModel;52using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Threading.Tasks;57{58    {59        static void Main(string[] args)60        {61            TestPlatform testPlatform = new TestPlatform();62            testPlatform.CreateTestRunRequest();63        }64    }65}66using Microsoft.VisualStudio.TestPlatform.Client;

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.