How to use DiscoverTestsFromSingleDiscoverer method of Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery.DiscovererEnumerator class

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery.DiscovererEnumerator.DiscoverTestsFromSingleDiscoverer

DiscovererEnumerator.cs

Source:DiscovererEnumerator.cs Github

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...114 double totalTimeTakenByAdapters = 0;115 double totalAdaptersUsed = 0;116 foreach (var discoverer in discovererToSourcesMap.Keys)117 {118 this.DiscoverTestsFromSingleDiscoverer(discoverer, discovererToSourcesMap, context, discoverySink, logger, ref totalAdaptersUsed, ref totalTimeTakenByAdapters);119 }120 if (this.discoveryResultCache.TotalDiscoveredTests == 0)121 {122 DiscovererEnumerator.LogWarningOnNoTestsDiscovered(sources, testCaseFilter, logger);123 }124 this.CollectTelemetryAtEnd(totalTimeTakenByAdapters, totalAdaptersUsed);125 }126 private void CollectTelemetryAtEnd(double totalTimeTakenByAdapters, double totalAdaptersUsed)127 {128 // Collecting Total Time Taken by Adapters129 this.requestData.MetricsCollection.Add(TelemetryDataConstants.TimeTakenInSecByAllAdapters,130 totalTimeTakenByAdapters);131 // Collecting Total Adapters Used to Discover tests132 this.requestData.MetricsCollection.Add(TelemetryDataConstants.NumberOfAdapterUsedToDiscoverTests,133 totalAdaptersUsed);134 }135 private void DiscoverTestsFromSingleDiscoverer(136 LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities> discoverer,137 Dictionary<LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities>, IEnumerable<string>> discovererToSourcesMap,138 DiscoveryContext context,139 TestCaseDiscoverySink discoverySink,140 IMessageLogger logger,141 ref double totalAdaptersUsed,142 ref double totalTimeTakenByAdapters)143 {144 if (DiscovererEnumerator.TryToLoadDiscoverer(discoverer, logger, out var discovererType) == false)145 {146 // Fail to instantiate the discoverer type.147 return;148 }149 // on instantiated successfully, get tests150 try151 {152 EqtTrace.Verbose(153 "DiscovererEnumerator.DiscoverTestsFromSingleDiscoverer: Loading tests for {0}",154 discoverer.Value.GetType().FullName);155 var currentTotalTests = this.discoveryResultCache.TotalDiscoveredTests;156 var newTimeStart = DateTime.UtcNow;157 this.testPlatformEventSource.AdapterDiscoveryStart(discoverer.Metadata.DefaultExecutorUri.AbsoluteUri);158 discoverer.Value.DiscoverTests(discovererToSourcesMap[discoverer], context, logger, discoverySink);159 var totalAdapterRunTime = DateTime.UtcNow - newTimeStart;160 this.testPlatformEventSource.AdapterDiscoveryStop(this.discoveryResultCache.TotalDiscoveredTests -161 currentTotalTests);162 // Record Total Tests Discovered By each Discoverer.163 var totalTestsDiscoveredByCurrentDiscoverer = this.discoveryResultCache.TotalDiscoveredTests - currentTotalTests;164 this.requestData.MetricsCollection.Add(165 string.Format("{0}.{1}", TelemetryDataConstants.TotalTestsByAdapter,166 discoverer.Metadata.DefaultExecutorUri), totalTestsDiscoveredByCurrentDiscoverer);167 totalAdaptersUsed++;168 EqtTrace.Verbose("DiscovererEnumerator.DiscoverTestsFromSingleDiscoverer: Done loading tests for {0}",169 discoverer.Value.GetType().FullName);170 var discovererFromDeprecatedLocations = DiscovererEnumerator.IsDiscovererFromDeprecatedLocations(discoverer);171 if (discovererFromDeprecatedLocations)172 {173 logger.SendMessage(TestMessageLevel.Warning,174 string.Format(CultureInfo.CurrentCulture, CrossPlatEngineResources.DeprecatedAdapterPath));175 }176 // Collecting Data Point for Time Taken to Discover Tests by each Adapter177 this.requestData.MetricsCollection.Add(178 string.Format("{0}.{1}", TelemetryDataConstants.TimeTakenToDiscoverTestsByAnAdapter,179 discoverer.Metadata.DefaultExecutorUri), totalAdapterRunTime.TotalSeconds);180 totalTimeTakenByAdapters += totalAdapterRunTime.TotalSeconds;181 }182 catch (Exception e)183 {184 var message = string.Format(185 CultureInfo.CurrentUICulture,186 CrossPlatEngineResources.ExceptionFromLoadTests,187 discovererType.Name,188 e.Message);189 logger.SendMessage(TestMessageLevel.Error, message);190 EqtTrace.Error("DiscovererEnumerator.DiscoverTestsFromSingleDiscoverer: {0} ", e);191 }192 }193 private static bool TryToLoadDiscoverer(LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities> discoverer, IMessageLogger logger, out Type discovererType)194 {195 discovererType = null;196 // See if discoverer can be instantiated successfully else move next.197 try198 {199 discovererType = discoverer.Value.GetType();200 }201 catch (Exception e)202 {203 var mesage = string.Format(204 CultureInfo.CurrentUICulture,...

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DiscoverTestsFromSingleDiscoverer

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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.Adapter;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using System.Reflection;10using System.IO;11using System.Xml;12{13 {14 static void Main(string[] args)15 {16 string testSource = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.dll";17 string testSource2 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication2\ConsoleApplication2\bin\Debug\ConsoleApplication2.dll";18 string testSource3 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication3\ConsoleApplication3\bin\Debug\ConsoleApplication3.dll";19 string testSource4 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication4\ConsoleApplication4\bin\Debug\ConsoleApplication4.dll";20 string testSource5 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication5\ConsoleApplication5\bin\Debug\ConsoleApplication5.dll";21 string testSource6 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication6\ConsoleApplication6\bin\Debug\ConsoleApplication6.dll";22 string testSource7 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication7\ConsoleApplication7\bin\Debug\ConsoleApplication7.dll";23 string testSource8 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication8\ConsoleApplication8\bin\Debug\ConsoleApplication8.dll";24 string testSource9 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication9\ConsoleApplication9\bin\Debug\ConsoleApplication9.dll";25 string testSource10 = @"C:\Users\Public\Documents\Visual Studio 2015\Projects\ConsoleApplication10\ConsoleApplication10\bin\Debug\ConsoleApplication10.dll";26 List<string> sources = new List<string>();27 sources.Add(testSource);28 sources.Add(testSource2);29 sources.Add(testSource3);30 sources.Add(testSource4);31 sources.Add(testSource5);

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DiscoverTestsFromSingleDiscoverer

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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.Adapter;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;9using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;10{11 {12 static void Main(string[] args)13 {14 var discovererEnumerator = new DiscovererEnumerator();15 var discoverers = discovererEnumerator.GetDiscoverers();16 var discoverer = discoverers.FirstOrDefault();17 var testCases = discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer, "C:\\Users\\test\\Documents\\Visual Studio 2015\\Projects\\ConsoleApplication1\\ConsoleApplication1\\bin\\Debug\\ConsoleApplication1.dll", new TestPlatformOptions(), new TestLogger());18 Console.WriteLine("Test Cases");19 foreach (var testCase in testCases)20 {21 Console.WriteLine(testCase.DisplayName);22 }23 Console.ReadLine();24 }25 }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;33using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;34using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;35using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;36{37 {38 static void Main(string[] args)39 {40 var discovererEnumerator = new DiscovererEnumerator();41 var discoverers = discovererEnumerator.GetDiscoverers();42 var discoverer = discoverers.FirstOrDefault();43 var testCases = discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer

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DiscoverTestsFromSingleDiscoverer

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;2using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;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 DiscovererEnumerator discovererEnumerator = new DiscovererEnumerator();14 List<TestCase> testCases = new List<TestCase>();15 Console.WriteLine("testCases.Count = " + testCases.Count);16 Console.ReadLine();17 }18 }19}20using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;21using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;22using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28{29 {30 static void Main(string[] args)31 {32 DiscovererEnumerator discovererEnumerator = new DiscovererEnumerator();33 List<TestCase> testCases = new List<TestCase>();34 Console.WriteLine("testCases.Count = " + testCases.Count);35 Console.ReadLine();36 }37 }38}

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DiscoverTestsFromSingleDiscoverer

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1using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;2using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;4using Microsoft.VisualStudio.TestPlatform.ObjectModel;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11 {12 static void Main(string[] args)13 {14 DiscovererEnumerator discovererEnumerator = new DiscovererEnumerator();15 var discoverers = discovererEnumerator.GetDiscoverers(uri);16 foreach (var discoverer in discoverers)17 {18 var testCases = discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer, uri, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.discoveryengine.x86.dll" }, null, null, null, null);19 foreach (var testCase in testCases)20 {21 Console.WriteLine(testCase.DisplayName);22 }23 }24 Console.ReadLine();25 }26 }27}28using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;29using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;30using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;31using Microsoft.VisualStudio.TestPlatform.ObjectModel;32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37{38 {39 static void Main(string[] args)40 {41 DiscovererEnumerator discovererEnumerator = new DiscovererEnumerator();42 var discoverers = discovererEnumerator.GetDiscoverers(uri);43 foreach (var discoverer in discoverers)44 {45 var testCases = discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer, uri, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.discoveryengine.x64.dll" }, null, null, null, null);46 foreach (var testCase in testCases)47 {

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DiscoverTestsFromSingleDiscoverer

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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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Adapter;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;12{13 [FileExtension(".dll")]14 {15 private readonly Uri executorUri;16 public MyTestDiscoverer()17 {18 }19 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)20 {21 foreach (var source in sources)22 {23 var testCases = new List<TestCase>();24 testCases.Add(new TestCase("TestCase1", this.executorUri, source));25 testCases.Add(new TestCase("TestCase2", this.executorUri, source));26 testCases.Add(new TestCase("TestCase3", this.executorUri, source));27 discoverySink.SendTestCases(testCases, new Uri(source));28 }29 }30 }31}32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37using Microsoft.VisualStudio.TestPlatform.ObjectModel;38using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;39using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;40using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Adapter;41using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;42using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;43{44 [FileExtension(".dll")]45 {46 public void Cancel()47 {48 }49 public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)50 {

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DiscoverTestsFromSingleDiscoverer

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Reflection;7using System.IO;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;13using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client;14using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;15using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Utilities;16using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine;17using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;18using System.Diagnostics;19using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery.Interfaces;20{21 {22 public static void Main(string[] args)23 {24 var source = args[0];25 var runSettings = args[1];26 var testDiscoverer = args[2];27 var testDiscovererPath = args[3];28 var testDiscovererVersion = args[4];29 var testDiscovererRunSettings = args[5];30 var testDiscovererUri = args[6];31 var discovererEnumerator = new DiscovererEnumerator();32 var discoverer = discovererEnumerator.CreateDiscoverer(testDiscoverer, testDiscovererPath, testDiscovererVersion, testDiscovererRunSettings, testDiscovererUri);33 var discoverySink = new DiscoverySink();34 var discoveryContext = new DiscoveryContext();35 var discoveryCriteria = new DiscoveryCriteria(new List<string> { source }, runSettings, testDiscovererUri);36 discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer, discoverySink, discoveryContext, discoveryCriteria);37 var tests = discoverySink.TestCases;38 Console.WriteLine(tests.Count());39 }40 }41}42C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /reference:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" /reference:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.dll" 3.cs

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DiscoverTestsFromSingleDiscoverer

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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.Adapter;8using System.Reflection;9using System.IO;10{11 {12 static void Main(string[] args)13 {14 var discovererInfo = new TestPlatform.ObjectModel.Adapter.TestAdapterInfo(typeof(ConsoleApp1.TestDiscoverer).Assembly.Location, typeof(ConsoleApp1.TestDiscoverer).FullName);15 var discovererEnumerator = new DiscovererEnumerator();16 var discoverer = discovererEnumerator.GetDiscoverer(discovererInfo);17 var discoveryContext = new DiscoveryContext();18 var logger = new ConsoleLogger();19 var discoverySink = new ConsoleDiscoverySink();20 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\sridhar\\Documents\\Visual Studio 2015\\Projects\\ConsoleApp1\\ConsoleApp1\\bin\\Debug\\ConsoleApp1.dll" }, 32, null);21 var discoverTestsFromSingleDiscoverer = discovererEnumerator.GetType().GetMethod("DiscoverTestsFromSingleDiscoverer", BindingFlags.NonPublic | BindingFlags.Instance);22 discoverTestsFromSingleDiscoverer.Invoke(discovererEnumerator, new object[] { discoverer, discoveryContext, logger, discoverySink, discoveryCriteria });23 Console.ReadLine();24 }25 }26 {27 public void SendMessage(TestMessageLevel testMessageLevel, string message)28 {29 Console.WriteLine(message);30 }31 }32 {33 public void SendTestCase(TestCase discoveredTest)34 {35 Console.WriteLine(discoveredTest.DisplayName);36 }37 }38 {39 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)40 {41 foreach (var source in sources)42 {43 var fileName = Path.GetFileName(source);44 testCase.DisplayName = fileName + ": TestCase 1";45 discoverySink.SendTestCase(testCase);46 }47 }48 }49}

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DiscoverTestsFromSingleDiscoverer

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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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;11{12 {13 static void Main(string[] args)14 {15 List<TestCase> testCases = new List<TestCase>();16 List<ITestDiscoverer> testDiscoverers = new List<ITestDiscoverer>();17 List<LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities>> testDiscovererMetadata = new List<LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities>>();18 List<ITestDiscovererCapabilities> testDiscovererCapabilities = new List<ITestDiscovererCapabilities>();19 List<ITestDiscovererContext> testDiscovererContext = new List<ITestDiscovererContext>();20 List<ITestDiscovererEvents> testDiscovererEvents = new List<ITestDiscovererEvents>();21 List<ITestDiscovererOptions> testDiscovererOptions = new List<ITestDiscovererOptions>();22 List<ITestDiscovererLogger> testDiscovererLogger = new List<ITestDiscovererLogger>();23 List<IMessageLogger> testDiscovererMessageLogger = new List<IMessageLogger>();24 List<ITestCaseDiscoverySink> testDiscovererTestCaseDiscoveryEventsHandler = new List<ITestCaseDiscoverySink>();25 List<ITestCaseDiscoverySink> testDiscovererTestCaseDiscoveryEventsHandler2 = new List<ITestCaseDiscoverySink>();

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DiscoverTestsFromSingleDiscoverer

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1{2 public static void Main(string[] args)3 {4 var testDiscovererEnumerator = new DiscovererEnumerator();5 var testSources = new List<string> { "1.cs" };6 var testDiscoverer = new Mock<ITestDiscoverer>();7 var testPlatformOptions = new TestPlatformOptions();8 var discoveryCriteria = new DiscoveryCriteria(testSources, "1", testPlatformOptions, null);9 var testCases = testDiscovererEnumerator.DiscoverTestsFromSingleDiscoverer(testDiscoverer.Object, discoveryCriteria, new DiscoveryContext());10 Console.WriteLine("Test cases count: {0}", testCases.Count());11 }12}13{14 public static void Main(string[] args)15 {16 var testDiscovererEnumerator = new DiscovererEnumerator();17 var testSources = new List<string> { "1.cs" };18 var testDiscoverer = new Mock<ITestDiscoverer>();19 var testPlatformOptions = new TestPlatformOptions();20 var discoveryCriteria = new DiscoveryCriteria(testSources, "1", testPlatformOptions, null);21 var testCases = testDiscovererEnumerator.DiscoverTestsFromSingleDiscoverer(testDiscoverer.Object, discoveryCriteria, new DiscoveryContext());22 Console.WriteLine("Test cases count: {0}", testCases.Count());23 }24}25{26 public static void Main(string[] args)27 {28 var testDiscovererEnumerator = new DiscovererEnumerator();29 var testSources = new List<string> { "1.cs" };30 var testDiscoverer = new Mock<ITestDiscoverer>();31 var testPlatformOptions = new TestPlatformOptions();32 var discoveryCriteria = new DiscoveryCriteria(testSources, "1", testPlatformOptions, null);33 var testCases = testDiscovererEnumerator.DiscoverTestsFromSingleDiscoverer(testDiscoverer.Object, discoveryCriteria, new DiscoveryContext());34 Console.WriteLine("Test cases count: {0}", testCases.Count());35 }36}37{38 {39 public static void Main(string[] args)40 {41 var source = args[0];42 var runSettings = args[1];43 var testDiscoverer = args[2];44 var testDiscovererPath = args[3];45 var testDiscovererVersion = args[4];46 var testDiscovererRunSettings = args[5];47 var testDiscovererUri = args[6];48 var discovererEnumerator = new DiscovererEnumerator();49 var discoverer = discovererEnumerator.CreateDiscoverer(testDiscoverer, testDiscovererPath, testDiscovererVersion, testDiscovererRunSettings, testDiscovererUri);50 var discoverySink = new DiscoverySink();51 var discoveryContext = new DiscoveryContext();52 var discoveryCriteria = new DiscoveryCriteria(new List<string> { source }, runSettings, testDiscovererUri);53 discovererEnumerator.DiscoverTestsFromSingleDiscoverer(discoverer, discoverySink, discoveryContext, discoveryCriteria);54 var tests = discoverySink.TestCases;55 Console.WriteLine(tests.Count());56 }57 }58}59C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /reference:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" /reference:"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\Extensions\TestPlatform\Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.dll" 3.cs

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DiscoverTestsFromSingleDiscoverer

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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.Adapter;8using System.Reflection;9using System.IO;10{11 {12 static void Main(string[] args)13 {14 var discovererInfo = new TestPlatform.ObjectModel.Adapter.TestAdapterInfo(typeof(ConsoleApp1.TestDiscoverer).Assembly.Location, typeof(ConsoleApp1.TestDiscoverer).FullName);15 var discovererEnumerator = new DiscovererEnumerator();16 var discoverer = discovererEnumerator.GetDiscoverer(discovererInfo);17 var discoveryContext = new DiscoveryContext();18 var logger = new ConsoleLogger();19 var discoverySink = new ConsoleDiscoverySink();20 var discoveryCriteria = new DiscoveryCriteria(new List<string> { "C:\\Users\\sridhar\\Documents\\Visual Studio 2015\\Projects\\ConsoleApp1\\ConsoleApp1\\bin\\Debug\\ConsoleApp1.dll" }, 32, null);21 var discoverTestsFromSingleDiscoverer = discovererEnumerator.GetType().GetMethod("DiscoverTestsFromSingleDiscoverer", BindingFlags.NonPublic | BindingFlags.Instance);22 discoverTestsFromSingleDiscoverer.Invoke(discovererEnumerator, new object[] { discoverer, discoveryContext, logger, discoverySink, discoveryCriteria });23 Console.ReadLine();24 }25 }26 {27 public void SendMessage(TestMessageLevel testMessageLevel, string message)28 {29 Console.WriteLine(message);30 }31 }32 {33 public void SendTestCase(TestCase discoveredTest)34 {35 Console.WriteLine(discoveredTest.DisplayName);36 }37 }38 {39 public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)40 {41 foreach (var source in sources)42 {43 var fileName = Path.GetFileName(source);44 testCase.DisplayName = fileName + ": TestCase 1";45 discoverySink.SendTestCase(testCase);46 }47 }48 }49}

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