How to use DiscoveryContext class of Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery.DiscoveryContext

DiscoveryContextTests.cs

Source:DiscoveryContextTests.cs Github

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...8 using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9 using Microsoft.VisualStudio.TestTools.UnitTesting;10 using MSTest.TestFramework.AssertExtensions;11 [TestClass]12 public class DiscoveryContextTests13 {14 private DiscoveryContext discoveryContext;15 [TestInitialize]16 public void TestInit()17 {18 this.discoveryContext = new DiscoveryContext();19 }20 /// <summary>21 /// GetTestCaseFilter should return null in case filter expression is null22 /// </summary>23 [TestMethod]24 public void GetTestCaseFilterShouldReturnNullIfFilterExpressionIsNull()25 {26 this.discoveryContext.FilterExpressionWrapper = null;27 Assert.IsNull(this.discoveryContext.GetTestCaseFilter(null, (s) => { return null; }));28 }29 /// <summary>30 /// If only property value passed, consider property key and operation defaults.31 /// </summary>32 [TestMethod]...

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DiscoveryContext

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10{11 [FileExtension(".dll")]12 [FileExtension(".exe")]13 {14 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)15 {16 var context = discoveryContext as DiscoveryContext;17 if (context != null)18 {19 var runSettings = context.RunSettings;20 }21 }22 }23}24using System;25using System.Collections.Generic;26using System.Linq;27using System.Text;28using System.Threading.Tasks;29using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution;30using Microsoft.VisualStudio.TestPlatform.ObjectModel;31using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;32using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;33{34 [FileExtension(".dll")]35 [FileExtension(".exe")]36 {37 public void Cancel()38 {39 throw new NotImplementedException();40 }41 public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)42 {43 var context = runContext as RunContext;44 if (context != null)45 {46 var runSettings = context.RunSettings;47 }48 }49 }50}

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DiscoveryContext

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.TesthostProtocol;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;13using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;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 var discoveryContext = new DiscoveryContext();14 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\abc\\Desktop\\DiscoveryTest\\DiscoveryTest\\bin\\Debug\\DiscoveryTest.dll" }, 32, null, false);15 var discoveryEvents = new DiscoveryEvents();16 discoveryContext.DiscoverTests(discoveryCriteria, discoveryEvents);17 Console.ReadLine();18 }19 }20}21using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;22using Microsoft.VisualStudio.TestPlatform.ObjectModel;23using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;24using Microsoft.VisualStudio.TestTools.UnitTesting;25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30{31 {32 public void TestMethod1()33 {34 var discoveryContext = new DiscoveryContext();35 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\abc\\Desktop\\DiscoveryTest\\DiscoveryTest\\bin\\Debug\\DiscoveryTest.dll" }, 32, null, false);36 var discoveryEvents = new DiscoveryEvents();37 discoveryContext.DiscoverTests(discoveryCriteria, discoveryEvents);38 }39 }40}

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;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 discoveryContext = new DiscoveryContext();12 discoveryContext.DiscoveryCriteria = new DiscoveryCriteria();13 discoveryContext.DiscoveryCriteria.Sources = new List<string>();14 discoveryContext.DiscoveryCriteria.Sources.Add(@"C:\Users\user\Documents\Visual Studio 2017\Projects\ConsoleApp1\ConsoleApp1\bin\Debug\ConsoleApp1.dll");15 discoveryContext.DiscoveryCriteria.TestPlatformOptions = new Dictionary<string, object>();16 discoveryContext.DiscoveryCriteria.TestPlatformOptions.Add("TestCaseFilter", "FullyQualifiedName=ConsoleApp1.UnitTest1.Test1");17 var discoverer = new Discoverer();18 var result = discoverer.DiscoverTests(discoveryContext);19 Console.WriteLine(result.DiscoveredTestCases.Count);20 Console.ReadLine();21 }22 }23}24I have a requirement to run a test case from a specific assembly using vstest.console.exe. I tried the following code, but it is not working. I am getting an error saying that the test case is not found. I am using the following command to run the test case: vstest.console.exe 3.cs /TestAdapterPath:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Extensions"Can anyone help me with this?

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DiscoveryContext

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9{10 {11 static void Main(string[] args)12 {13 var context = new DiscoveryContext();14 context.RunSettings = "<RunSettings><RunConfiguration><TargetFrameworkVersion>Framework45</TargetFrameworkVersion></RunConfiguration></RunSettings>";15 var discoveryCriteria = new DiscoveryCriteria(new List<string> { @"C:\Users\test\Documents\Visual Studio 2015\Projects\ClassLibrary1\ClassLibrary1\bin\Debug\ClassLibrary1.dll" }, 32, context);16 var discoveryManager = new DiscoveryManager();17 var discoveryEvents = new DiscoveryEvents();18 discoveryManager.DiscoverTests(discoveryCriteria, discoveryEvents);19 Console.WriteLine("Done");20 Console.ReadLine();21 }22 }23}24using System;25using System.Collections.Generic;26using System.Linq;27using System.Text;28using System.Threading.Tasks;29using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;30{31 {32 static void Main(string[] args)33 {34 var context = new DiscoveryContext();35 context.RunSettings = "<RunSettings><RunConfiguration><TargetFrameworkVersion>Framework45</TargetFrameworkVersion></RunConfiguration></RunSettings>";36 var discoveryCriteria = new DiscoveryCriteria(new List<string> { @"C:\Users\test\Documents\Visual Studio 2015\Projects\ClassLibrary1\ClassLibrary1\bin\Debug\ClassLibrary1.dll" }, 32, context);37 var discoveryEvents = new DiscoveryEvents();38 discoveryEvents.DiscoveryComplete += (sender, e) => { Console.WriteLine("Done"); };39 discoveryEvents.DiscoverTests(discoveryCriteria);40 Console.ReadLine();41 }42 }43}

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DiscoveryContext

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Reflection;7using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;12{13 {14 static void Main(string[] args)15 {16 var discoveryContext = new DiscoveryContext();17 var discoveryCriteria = new DiscoveryCriteria(new List<string>() { "C:/Users/abc/Desktop/TestDiscovery/TestDiscovery/bin/Debug/TestDiscovery.exe" }, 32, false);18 var logger = new Logger();19 var discoveryEvents = new DiscoveryEvents();20 var testPlatform = new Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.TestEngine();21 var testEngine = testPlatform.GetTestEngine("vstest.console.exe");22 var discoveryManager = testEngine.GetDiscoveryManager(discoveryContext, discoveryCriteria, logger, discoveryEvents);23 discoveryManager.DiscoverTests();24 Console.ReadLine();25 }26 }27 {28 public void SendMessage(TestMessageLevel testMessageLevel, string message)29 {30 Console.WriteLine(message);31 }32 }33 {34 public void HandleDiscoveryComplete(int totalTests, IEnumerable<TestCase> lastChunk, bool isAborted)35 {36 Console.WriteLine("Total tests: " + totalTests);37 Console.WriteLine("Is aborted: " + isAborted);38 Console.WriteLine("Last chunk: ");39 foreach (var test in lastChunk)40 {41 Console.WriteLine(test.DisplayName);42 }43 }44 public void HandleDiscoveredTests(IEnumerable<TestCase> discoveredTests)45 {46 Console.WriteLine("Discovered tests: ");47 foreach (var test in discoveredTests)48 {49 Console.WriteLine(test.DisplayName);50 }51 }52 public void HandleLogMessage(TestMessageLevel testMessageLevel, string message)53 {54 Console.WriteLine(message);55 }56 public void HandleRawMessage(string rawMessage)57 {58 Console.WriteLine(rawMessage);59 }60 }61}

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DiscoveryContext

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.ObjectModel;7using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;8{9 {10 static void Main(string[] args)11 {12 DiscoveryContext context = new DiscoveryContext();13 Console.WriteLine(context.Source);14 Console.ReadLine();15 }16 }17}18C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\CommonExtensions\Microsoft\TestWindow\vstest.console.exe

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;5using System.Collections.Generic;6using System.IO;7{8 [FileExtension(".cs")]9 {10 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)11 {12 var context = (DiscoveryContext)discoveryContext;13 var runSettings = context.RunSettings;14 var runConfiguration = runSettings.GetRunConfiguration();15 var isDesignMode = runConfiguration.IsDesignMode;16 var isDataCollectionEnabled = runConfiguration.IsDataCollectionEnabled;17 var isRunInParallel = runConfiguration.IsRunInParallel;18 var isSkipDefaultAdapters = runConfiguration.IsSkipDefaultAdapters;19 var isDisableAppDomain = runConfiguration.IsDisableAppDomain;20 var targetFramework = runConfiguration.TargetFramework;21 var maxCpuCount = runConfiguration.MaxCpuCount;22 var resultsDirectory = runConfiguration.ResultsDirectory;23 var runStats = runConfiguration.RunStats;24 var testRunParameters = runConfiguration.TestRunParameters;25 foreach (var source in sources)26 {27 testCase.DisplayName = "Test1";28 testCase.CodeFilePath = source;29 testCase.LineNumber = 1;30 discoverySink.SendTestCase(testCase);31 }32 }33 }34}35using Microsoft.VisualStudio.TestPlatform.ObjectModel;36using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;37using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;38using System.Collections.Generic;39using System.IO;40{41 [FileExtension(".cs")]42 {43 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)44 {45 var context = (DiscoveryContext)discovery46 {47 public void SendMessage(TestMessageLevel testMessageLevel, string message)48 {49 Console.WriteLine(message);50 }51 }52 {53 public void HandleDiscoveryComplete(int totalTests, IEnumerable<TestCase> lastChunk, bool isAborted)54 {55 Console.WriteLine("Total tests: " + totalTests);56 Console.WriteLine("Is aborted: " + isAborted);57 Console.WriteLine("Last chunk: ");58 foreach (var test in lastChunk)59 {60 Console.WriteLine(test.DisplayName);61 }62 }63 public void HandleDiscoveredTests(IEnumerable<TestCase> discoveredTests)64 {65 Console.WriteLine("Discovered tests: ");66 foreach (var test in discoveredTests)67 {68 Console.WriteLine(test.DisplayName);69 }70 }71 public void HandleLogMessage(TestMessageLevel testMessageLevel, string message)72 {73 Console.WriteLine(message);74 }75 public void HandleRawMessage(string rawMessage)76 {77 Console.WriteLine(rawMessage);78 }79 }80}

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;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 var discoveryContext = new DiscoveryContext();14 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\abc\\Desktop\\DiscoveryTest\\DiscoveryTest\\bin\\Debug\\DiscoveryTest.dll" }, 32, null, false);15 var discoveryEvents = new DiscoveryEvents();16 discoveryContext.DiscoverTests(discoveryCriteria, discoveryEvents);17 Console.ReadLine();18 }19 }20}

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatom.ObjctModl.Adapter;4usingMicrosof.VisualStudi.TestPlatform.ObjectModel.Logging;5usingSystem.Colletins.Generic;6using Syste.IO;7{8 [FileExtension(".cs")]9 {10 public void DiscoverTests(IEnuerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)11 {12 var context = (DiscoveryContext)discoveryContext;13 var runSettings = context.RunSettings;14 var runConfiguration = runSettings.GetRunConfiguration();15 var isDesignMode = runConfiguration.IsDsignMode;16 var isDataCollectionEnabled = runConfiguration.IsDataCollectionEnabled;17 var isRunInParallel = runConfiguration.IsRunInParallel;18 var isSkipDefaultAdapters = ruConfiguraion.IsSkipDefaultAdapters;19 var isDisalAppDomain = runConfiguration.IsDisabeAppDmain;20 var targetFrameork = runConfigurationTargetFramework;21 var maxCpuCount = runConfiguration.MaxCpuCount;22 var resultsDirectory = runConfiguration.ResultsDirectory;23 var testunParameters = runConfiguration.TestRunParameters;24 foreach (var source in sources)25 {26 testCase.DisplayName = "Test1";27 testCase.CodeFilePath = source;28 testCase.LineNumber = 1;29 discoverySink.SendTestCase(testCase);30 }31 }32 }33}34using Microsoft.VisualStudio.TestPlatform.ObjectModel;35using Microsoft.VisualStudio.TestPlatform.ObjectModl.Adapter;36using Microsot.VisualStudio.TestPlatform.ObjectModel.Logging;37using System.Collections.Generic;38using System.IO;39{40 [FileExtension(".cs")]41 {42 public void DiscoverTests(IEumerable<string> sour, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)43 {44 var context = (DiscoveryContext)discovery45using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;46using Microsoft.VisualStudio.TestPlatform.ObjectModel;47using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;48using Microsoft.VisualStudio.TestTools.UnitTesting;49using System;50using System.Collections.Generic;51using System.Linq;52using System.Text;53using System.Threading.Tasks;54{55 {56 public void TestMethod1()57 {58 var discoveryContext = new DiscoveryContext();59 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\abc\\Desktop\\DiscoveryTest\\DiscoveryTest\\bin\\Debug\\DiscoveryTest.dll" }, 32, null, false);60 var discoveryEvents = new DiscoveryEvents();61 discoveryContext.DiscoverTests(discoveryCriteria, discoveryEvents);62 }63 }64}

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DiscoveryContext

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;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 discoveryContext = new DiscoveryContext();12 discoveryContext.DiscoveryCriteria = new DiscoveryCriteria();13 discoveryContext.DiscoveryCriteria.Sources = new List<string>();14 discoveryContext.DiscoveryCriteria.Sources.Add(@"C:\Users\user\Documents\Visual Studio 2017\Projects\ConsoleApp1\ConsoleApp1\bin\Debug\ConsoleApp1.dll");15 discoveryContext.DiscoveryCriteria.TestPlatformOptions = new Dictionary<string, object>();16 discoveryContext.DiscoveryCriteria.TestPlatformOptions.Add("TestCaseFilter", "FullyQualifiedName=ConsoleApp1.UnitTest1.Test1");17 var discoverer = new Discoverer();18 var result = discoverer.DiscoverTests(discoveryContext);19 Console.WriteLine(result.DiscoveredTestCases.Count);20 Console.ReadLine();21 }22 }23}24I have a requirement to run a test case from a specific assembly using vstest.console.exe. I tried the following code, but it is not working. I am getting an error saying that the test case is not found. I am using the following command to run the test case: vstest.console.exe 3.cs /TestAdapterPath:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Extensions"Can anyone help me with this?

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DiscoveryContext

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.ObjectModel;7using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;8{9 {10 static void Main(string[] args)11 {12 DiscoveryContext context = new DiscoveryContext();13 Console.WriteLine(context.Source);14 Console.ReadLine();15 }16 }17}18C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\CommonExtensions\Microsoft\TestWindow\vstest.console.exe

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