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How to use DiscoveryEventHandler method of Microsoft.TestPlatform.TranslationLayer.E2ETest.CustomTestHostLauncher class

Best Vstest code snippet using Microsoft.TestPlatform.TranslationLayer.E2ETest.CustomTestHostLauncher.DiscoveryEventHandler

Program.cs

Source:Program.cs

...78        }79        static IEnumerable<TestCase> DiscoverTests(IEnumerable<string> sources, IVsTestConsoleWrapper consoleWrapper)80        {81            var waitHandle = new AutoResetEvent(false);82            var handler = new DiscoveryEventHandler(waitHandle);83            consoleWrapper.DiscoverTests(sources, DefaultRunSettings, handler);84            waitHandle.WaitOne();85            return handler.DiscoveredTestCases;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        {...

DiscoveryEventHandler

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        public void Initialize(IMetricsCollection metricsCollection)10        {11            throw new NotImplementedException();12        }13        public void Abort()14        {15            throw new NotImplementedException();16        }17        public void Cancel()18        {19            throw new NotImplementedException();20        }21        public void Close()22        {23            throw new NotImplementedException();24        }25        public void Dispose()26        {27            throw new NotImplementedException();28        }29        public void LaunchTestHost(TestProcessStartInfo testHostStartInfo)30        {31            throw new NotImplementedException();32        }33        public void SetCustomLauncher(ITestHostLauncher customLauncher)34        {35            throw new NotImplementedException();36        }37        public void SetTestHostConnectionInfo(ITestHostConnectionInfo connectionInfo)38        {39            throw new NotImplementedException();40        }41        public void SetTestProcessStartInfo(TestProcessStartInfo testProcessStartInfo)42        {43            throw new NotImplementedException();44        }45        public void StartSession(ITestSessionEventsHandler eventsHandler)46        {47            throw new NotImplementedException();48        }49        public void StopSession()50        {51            throw new NotImplementedException();52        }53        public void LaunchTestHostForDiscovery(TestProcessStartInfo testHostStartInfo, ITestDiscoveryEventsHandler2 discoveryEventsHandler)54        {55            Console.WriteLine("DiscoveryEventHandler method of CustomTestHostLauncher class is called");56        }57        public void LaunchTestHostForExecution(TestProcessStartInfo testHostStartInfo, ITestRunEventsHandler2 runEventsHandler)58        {59            throw new NotImplementedException();60        }61    }62}63using System;64using System.Collections.Generic;65using System.Linq;66using System.Text;67using System.Threading.Tasks;68using Microsoft.TestPlatform.TranslationLayer.E2ETest;69{70    {71        public void Initialize(IMetricsCollection metricsCollection)72        {73            throw new NotImplementedException();74        }75        public void Abort()76        {77            throw new NotImplementedException();78        }79        public void Cancel()80        {81            throw new NotImplementedException();82        }

DiscoveryEventHandler

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.ObjectModel;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    [FriendlyName("CustomTestHostLauncher")]11    {12        public void Cancel()13        {14            throw new NotImplementedException();15        }16        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)17        {18            throw new NotImplementedException();19        }20        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)21        {22            throw new NotImplementedException();23        }24    }25}26using Microsoft.VisualStudio.TestPlatform.ObjectModel;27using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;28using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34{35    [FriendlyName("CustomTestHostLauncher")]36    {37        public void Cancel()38        {39            throw new NotImplementedException();40        }41        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)42        {43            throw new NotImplementedException();44        }45        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)46        {47            throw new NotImplementedException();48        }49    }50}51using Microsoft.VisualStudio.TestPlatform.ObjectModel;52using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;53using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;54using System;55using System.Collections.Generic;56using System.Linq;57using System.Text;58using System.Threading.Tasks;59{60    [FriendlyName("CustomTestHostLauncher

DiscoveryEventHandler

Using AI Code Generation

1using System;2using System.Threading;3using System.Threading.Tasks;4using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;5using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;6using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;7using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Tracing.Interfaces;8using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client;9using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution;10using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers;11using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Resources;12using Microsoft.VisualStudio.TestPlatform.ObjectModel;13using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;14using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;15using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;16using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.TesthostProtocol;17using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;18using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions;19using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.Interfaces;20using Microsoft.VisualStudio.TestPlatform.TranslationLayer;21using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;

DiscoveryEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Diagnostics;4using System.IO;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8using Microsoft.TestPlatform.TranslationLayer.E2ETest;9using Microsoft.VisualStudio.TestPlatform.ObjectModel;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;12{13    [FriendlyName("CustomTestHostLauncher")]14    {15        public void Cancel()16        {17            throw new NotImplementedException();18        }19        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)20        {21            var translationLayer = new Microsoft.TestPlatform.TranslationLayer.TestableTestPlatform();22            var discoveryEventHandler = new DiscoveryEventHandler();23            var discoveryCriteria = new DiscoveryCriteria(sources, 1000, runContext.IsDataCollectionEnabled);24            translationLayer.DiscoverTests(discoveryCriteria, discoveryEventHandler);25            translationLayer.RunTests(sources, runContext, frameworkHandle);26        }27        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)28        {29            throw new NotImplementedException();30        }31        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestRunSettings testRunSettings)32        {33            throw new NotImplementedException();34        }35        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestRunSettings testRunSettings)36        {37            throw new NotImplementedException();38        }39    }40}41using System;42using System.Collections.Generic;43using System.Diagnostics;44using System.IO;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48using Microsoft.VisualStudio.TestPlatform.ObjectModel;49using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;50using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;51{52    {53        public void HandleDiscoveredTests(IEnumerable<TestCase> discoveredTestCases)54        {55            var testHostProcessId = Process.GetCurrentProcess().Id;56            var filePath = Path.Combine(Path.GetTempPath(), "testhostprocessid.txt");57            File.WriteAllText(filePath, testHostProcessId.ToString());58        }

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