Best Vstest code snippet using Microsoft.TestPlatform.TranslationLayer.E2ETest.RunEventHandler.RunEventHandler
Program.cs
Source:Program.cs  
...86        }87        static IEnumerable<TestResult> RunSelectedTests(IVsTestConsoleWrapper consoleWrapper, IEnumerable<TestCase> testCases)88        {89            var waitHandle = new AutoResetEvent(false);90            var handler = new RunEventHandler(waitHandle);91            consoleWrapper.RunTests(testCases, DefaultRunSettings, handler);92            waitHandle.WaitOne();93            return handler.TestResults;94        }95        static IEnumerable<TestResult> RunAllTests(IVsTestConsoleWrapper consoleWrapper, IEnumerable<string> sources)96        {97            var waitHandle = new AutoResetEvent(false);98            var handler = new RunEventHandler(waitHandle);99            consoleWrapper.RunTests(sources, DefaultRunSettings, handler);100            waitHandle.WaitOne();101            return handler.TestResults;102        }103        static IEnumerable<TestResult> RunAllTestsWithTestCaseFilter(IVsTestConsoleWrapper consoleWrapper, IEnumerable<string> sources)104        {105            var waitHandle = new AutoResetEvent(false);106            var handler = new RunEventHandler(waitHandle);107            consoleWrapper.RunTests(sources, DefaultRunSettings, new TestPlatformOptions() { TestCaseFilter = "FullyQualifiedName=UnitTestProject.UnitTest.PassingTest" }, handler);108            waitHandle.WaitOne();109            return handler.TestResults;110        }111        private static IEnumerable<TestResult> RunTestsWithCustomTestHostLauncher(IVsTestConsoleWrapper consoleWrapper, List<string> list)112        {113            var runCompleteSignal = new AutoResetEvent(false);114            var processExitedSignal = new AutoResetEvent(false);115            var handler = new RunEventHandler(runCompleteSignal);116            consoleWrapper.RunTestsWithCustomTestHost(list, DefaultRunSettings, handler, new CustomTestHostLauncher(() => processExitedSignal.Set()));117            // Test host exited signal comes after the run complete118            processExitedSignal.WaitOne();119            // At this point, run must have complete. Check signal for true120            Debug.Assert(runCompleteSignal.WaitOne());121            return handler.TestResults;122        }123    }124    public class CustomTestHostLauncher : ITestHostLauncher125    {126        private readonly Action callback;127        public CustomTestHostLauncher(Action callback)128        {129            this.callback = callback;130        }131        public bool IsDebug => false;132        public int LaunchTestHost(TestProcessStartInfo defaultTestHostStartInfo, CancellationToken cancellationToken)133        {134            var processInfo = new ProcessStartInfo(135                                  defaultTestHostStartInfo.FileName,136                                  defaultTestHostStartInfo.Arguments)137            {138                WorkingDirectory = defaultTestHostStartInfo.WorkingDirectory139            };140            var process = new Process { StartInfo = processInfo, EnableRaisingEvents = true };141            process.Start();142            if (process != null)143            {144                process.Exited += (sender, args) =>145                {146                    Console.WriteLine("Test host has exited. Signal run end.");147                    this.callback();148                };149                return process.Id;150            }151            throw new Exception("Process in invalid state.");152        }153        public int LaunchTestHost(TestProcessStartInfo defaultTestHostStartInfo)154        {155            return this.LaunchTestHost(defaultTestHostStartInfo, CancellationToken.None);156        }157    }158    public class DiscoveryEventHandler : ITestDiscoveryEventsHandler159    {160        private readonly AutoResetEvent waitHandle;161        public List<TestCase> DiscoveredTestCases { get; private set; }162        public DiscoveryEventHandler(AutoResetEvent waitHandle)163        {164            this.waitHandle = waitHandle;165            this.DiscoveredTestCases = new List<TestCase>();166        }167        public void HandleDiscoveredTests(IEnumerable<TestCase> discoveredTestCases)168        {169            Console.WriteLine("Discovery: " + discoveredTestCases.FirstOrDefault()?.DisplayName);170            if (discoveredTestCases != null)171            {172                this.DiscoveredTestCases.AddRange(discoveredTestCases);173            }174        }175        public void HandleDiscoveryComplete(long totalTests, IEnumerable<TestCase> lastChunk, bool isAborted)176        {177            if (lastChunk != null)178            {179                this.DiscoveredTestCases.AddRange(lastChunk);180            }181            Console.WriteLine("DiscoveryComplete");182            waitHandle.Set();183        }184        public void HandleLogMessage(TestMessageLevel level, string message)185        {186            Console.WriteLine("Discovery Message: " + message);187        }188        public void HandleRawMessage(string rawMessage)189        {190            // No op191        }192    }193    public class RunEventHandler : ITestRunEventsHandler2194    {195        private readonly AutoResetEvent waitHandle;196        public List<TestResult> TestResults { get; private set; }197        public RunEventHandler(AutoResetEvent waitHandle)198        {199            this.waitHandle = waitHandle;200            this.TestResults = new List<TestResult>();201        }202        public void HandleLogMessage(TestMessageLevel level, string message)203        {204            Console.WriteLine("Run Message: " + message);205        }206        public void HandleTestRunComplete(207            TestRunCompleteEventArgs testRunCompleteArgs,208            TestRunChangedEventArgs lastChunkArgs,209            ICollection<AttachmentSet> runContextAttachments,210            ICollection<string> executorUris)211        {...RunEventHandler
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.TestPlatform.TranslationLayer.E2ETest;7{8    {9        static void Main(string[] args)10        {11            var runEventHandler = new RunEventHandler();12            runEventHandler.RunEventHandlerMethod();13        }14    }15}16Microsoft (R) Test Execution Command Line Tool VersionRunEventHandler
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.TestPlatform.TranslationLayer.E2ETest;7using Microsoft.TestPlatform.TranslationLayer.Interfaces;8using Microsoft.TestPlatform.TranslationLayer.EventArgs;9{10    {11        static void Main(string[] args)12        {13            ITestPlatform testPlatform = TestPlatformFactory.GetTestPlatform();14            var requestSender = testPlatform.GetRequestSender();15            var runEventHandler = new RunEventHandler();16            requestSender.RunEventHandler += runEventHandler.RunEventHandler;17            var discoveryEventHandler = new DiscoveryEventHandler();18            requestSender.DiscoveryEventHandler += discoveryEventHandler.DiscoveryEventHandler;19            requestSender.DiscoverTests("C:\\Users\\username\\Desktop\\TestProject\\bin\\Debug\\TestProject.dll", null, null);20            requestSender.RunTests("C:\\Users\\username\\Desktop\\TestProject\\bin\\Debug\\TestProject.dll", null, null);21            Console.ReadLine();22        }23    }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using Microsoft.TestPlatform.TranslationLayer.Interfaces;31using Microsoft.TestPlatform.TranslationLayer.EventArgs;32{33    {34        public void RunEventHandler(object sender, TestRunEventArgs e)35        {36            Console.WriteLine("RunEventHandler");37        }38    }39}40using System;41using System.Collections.Generic;42using System.Linq;43using System.Text;44using System.Threading.Tasks;45using Microsoft.TestPlatform.TranslationLayer.Interfaces;46using Microsoft.TestPlatform.TranslationLayer.EventArgs;47{48    {49        public void DiscoveryEventHandler(object sender, DiscoveryCompleteEventArgs e)50        {51            Console.WriteLine("DiscoveryEventHandler");52        }53    }54}55using System;56using System.Collections.Generic;57using System.Linq;58using System.Text;59using System.Threading.Tasks;60using Microsoft.TestPlatform.TranslationLayer.Interfaces;61using Microsoft.TestPlatform.TranslationLayer.EventArgs;62{RunEventHandler
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using System.Reflection;7using System.IO;8using Microsoft.TestPlatform.TranslationLayer;9using Microsoft.TestPlatform.TranslationLayer.E2ETest;10{11    {12        static void Main(string[] args)13        {14            string path = Assembly.GetExecutingAssembly().Location;15            string currentDir = Path.GetDirectoryName(path);16            string testAssembly = Path.Combine(currentDir, "TestProject1.dll");17            RunEventHandler runEventHandler = new RunEventHandler();18            runEventHandler.RunEventHandlerMethod(testAssembly);19        }20    }21}22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27using System.Reflection;28using System.IO;29using Microsoft.TestPlatform.TranslationLayer;30using Microsoft.TestPlatform.TranslationLayer.E2ETest;31{32    {33        static void Main(string[] args)34        {35            string path = Assembly.GetExecutingAssembly().Location;36            string currentDir = Path.GetDirectoryName(path);37            string testAssembly = Path.Combine(currentDir, "TestProject1.dll");38            RunEventHandler runEventHandler = new RunEventHandler();39            runEventHandler.RunEventHandlerMethod(testAssembly);40        }41    }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48using System.Reflection;49using System.IO;50using Microsoft.TestPlatform.TranslationLayer;51using Microsoft.TestPlatform.TranslationLayer.E2ETest;52{53    {54        static void Main(string[] args)55        {56            string path = Assembly.GetExecutingAssembly().Location;57            string currentDir = Path.GetDirectoryName(path);58            string testAssembly = Path.Combine(currentDir, "TestProject1.dll");59            RunEventHandler runEventHandler = new RunEventHandler();60            runEventHandler.RunEventHandlerMethod(testAssembly);61        }62    }63}64using System;65using System.Collections.Generic;66using System.Linq;67using System.Text;RunEventHandler
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.TestPlatform.TranslationLayer.E2ETest;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8{9    {10        static void Main(string[] args)11        {12            RunEventHandler runEventHandler = new RunEventHandler();13            runEventHandler.OnRunStart += RunEventHandler_OnRunStart;14            runEventHandler.OnTestRunMessage += RunEventHandler_OnTestRunMessage;15            runEventHandler.OnTestRunComplete += RunEventHandler_OnTestRunComplete;16            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult;17            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult1;18            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult2;19            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult3;20            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult4;21            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult5;22            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult6;23            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult7;24            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult8;25            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult9;26            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult10;27            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult11;28            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult12;29            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult13;30            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult14;31            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult15;32            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult16;33            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult17;34            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult18;35            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult19;36            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult20;37            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult21;38            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult22;RunEventHandler
Using AI Code Generation
1using System;2using System.Diagnostics;3using System.IO;4using System.Reflection;5using Microsoft.TestPlatform.TranslationLayer.E2ETest;6{7    {8        static void Main(string[] args)9        {10            string assemblyPath = @"C:\Users\user\source\repos\test\test\bin\Debug\test.dll";11            string runsettingsPath = @"C:\Users\user\source\repos\test\test\bin\Debug\runsettings.runsettings";12            string resultsFormat = "xml";13            string resultsPath = @"C:\Users\user\source\repos\test\test\bin\Debug\results.xml";14            RunEventHandler runEventHandler = new RunEventHandler();15            runEventHandler.RunEventHandlerMethod(assemblyPath, runsettingsPath);16            runEventHandler.GetResults(resultsFormat, resultsPath);17        }18    }19}RunEventHandler
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.TestPlatform.TranslationLayer.E2ETest;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8{9    {10        static void Main(string[] args)11        {12            RunEventHandler runEventHandler = new RunEventHandler();13            runEventHandler.OnRunStart += RunEventHandler_OnRunStart;14            runEventHandler.OnTestRunMessage += RunEventHandler_OnTestRunMessage;15            runEventHandler.OnTestRunComplete += RunEventHandler_OnTestRunComplete;16            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult;17            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult1;18            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult2;19            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult3;20            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult4;21            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult5;22            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult6;23            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult7;24            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult8;25            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult9;26            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult10;27            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult11;28            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult12;29            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult13;30            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult14;31            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult15;32            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult16;33            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult17;34            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult18;35            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult19;36            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult20;37            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult21;38            runEventHandler.OnRunTestResult += RunEventHandler_OnRunTestResult22;RunEventHandler
Using AI Code Generation
1using System;2using System.Diagnostics;3using System.IO;4using System.Reflection;5using Microsoft.TestPlatform.TranslationLayer.E2ETest;6{7    {8        static void Main(string[] args)9        {10            string assemblyPath = @"C:\Users\user\source\repos\test\test\bin\Debug\test.dll";11            string runsettingsPath = @"C:\Users\user\source\repos\test\test\bin\Debug\runsettings.runsettings";12            string resultsFormat = "xml";13            string resultsPath = @"C:\Users\user\source\repos\test\test\bin\Debug\results.xml";14            RunEventHandler runEventHandler = new RunEventHandler();15            runEventHandler.RunEventHandlerMethod(assemblyPath, runsettingsPath);16            runEventHandler.GetResults(resultsFormat, resultsPath);17        }18    }19}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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!
