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

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

Program.cs

Source:Program.cs

...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);...

LaunchTestHost

Using AI Code Generation

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.ObjectModel.Adapter;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;9using Microsoft.TestPlatform.TranslationLayer.E2ETest;10{11    [FileExtension(".cs")]12    {13        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)14        {15            CustomTestHostLauncher launcher = new CustomTestHostLauncher();16            launcher.LaunchTestHost();17        }18        public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)19        {20        }21    }22}23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28using Microsoft.VisualStudio.TestPlatform.ObjectModel;29using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;30using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;31using Microsoft.TestPlatform.TranslationLayer.E2ETest;32{33    [FileExtension(".cs")]34    {35        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)36        {37            CustomTestHostLauncher launcher = new CustomTestHostLauncher();38            launcher.LaunchTestHost();39        }40        public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)41        {42        }43    }44}45using System;46using System.Collections.Generic;47using System.Linq;48using System.Text;49using System.Threading.Tasks;50using Microsoft.VisualStudio.TestPlatform.ObjectModel;51using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;52using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;53using Microsoft.TestPlatform.TranslationLayer.E2ETest;54{55    [FileExtension(".cs")]

LaunchTestHost

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Hosting;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;4using Microsoft.VisualStudio.TestPlatform.ObjectModel.Host;5using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;6using Microsoft.VisualStudio.TestPlatform.TranslationLayer.E2ETest;7using System;8using System.Collections.Generic;9using System.Diagnostics;10using System.IO;11using System.Linq;12using System.Reflection;13using System.Text;14{15    {16        private CustomTestHostLauncher()17        {18        }19        public static ITestHostLauncher Create()20        {21            return new CustomTestHostLauncher();22        }23        public void Initialize(TestProcessStartInfo testHostStartInfo, IDictionary<string, string> environmentVariables)24        {25            Console.WriteLine("TestHostLauncher: Initialize");26            Console.WriteLine("TestHostLauncher: TestHostStartInfo: {0}", testHostStartInfo);27            Console.WriteLine("TestHostLauncher: EnvironmentVariables: {0}", environmentVariables);28        }29        public void Close()30        {31            Console.WriteLine("TestHostLauncher: Close");32        }33        public void Abort()34        {35            Console.WriteLine("TestHostLauncher: Abort");36        }37        {38            {39                Console.WriteLine("TestHostLauncher: IsDebug");40                return false;41            }42        }43        public void LaunchTestHost(TestProcessStartInfo testHostStartInfo, ITestRunEventsHandler eventsHandler)44        {45            Console.WriteLine("TestHostLauncher: LaunchTestHost");46            Console.WriteLine("TestHostLauncher: TestHostStartInfo: {0}", testHostStartInfo);47            CustomTestHostLauncher.LaunchTestHost(testHostStartInfo);48        }49        private static void LaunchTestHost(TestProcessStartInfo testHostStartInfo)50        {51            Console.WriteLine("TestHostLauncher: LaunchTestHost");52            var testHostPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "TestHost.dll");53            {

LaunchTestHost

Using AI Code Generation

1using Microsoft.TestPlatform.TranslationLayer.E2ETest;2using System;3using System.Collections.Generic;4using System.Diagnostics;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            var testHostLauncher = new CustomTestHostLauncher();13            var testHostProcess = testHostLauncher.LaunchTestHost(new ProcessStartInfo("C:\\Program Files\\dotnet\\dotnet.exe", "C:\\Users\\vstest\\Desktop\\TestHostLauncher\\bin\\Debug\\netcoreapp2.0\\TestHostLauncher.dll"), 10000);14            Console.WriteLine("TestHost process id: " + testHostProcess.Id);15            Console.ReadLine();16        }17    }18}19using Microsoft.TestPlatform.TranslationLayer.E2ETest;20using System;21using System.Collections.Generic;22using System.Diagnostics;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26{27    {28        static void Main(string[] args)29        {30            var testHostLauncher = new CustomTestHostLauncher();31            var testHostProcess = testHostLauncher.LaunchTestHost(new ProcessStartInfo("C:\\Program Files\\dotnet\\dotnet.exe", "C:\\Users\\vstest\\Desktop\\TestHostLauncher\\bin\\Debug\\netcoreapp2.0\\TestHostLauncher.dll"), 10000);32            Console.WriteLine("TestHost process id: " + testHostProcess.Id);33            Console.ReadLine();34        }35    }36}37using Microsoft.TestPlatform.TranslationLayer.E2ETest;38using System;39using System.Collections.Generic;40using System.Diagnostics;41using System.Linq;42using System.Text;43using System.Threading.Tasks;44{45    {46        static void Main(string[] args)47        {48            var testHostLauncher = new CustomTestHostLauncher();

LaunchTestHost

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.Diagnostics;7using System.IO;8using System.Linq;9using System.Reflection;10using System.Text;11using System.Threading.Tasks;12using System.Xml;13{14    [FileExtension(".cs")]15    {16        public void Cancel()17        {18            throw new NotImplementedException();19        }20        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)21        {22            var testHostLauncher = new Microsoft.TestPlatform.TranslationLayer.E2ETest.CustomTestHostLauncher();23            var testHostProcess = testHostLauncher.LaunchTestHost(new List<string> { @"D:\test\testhost.dll", @"D:\test\test.dll" }, runContext, frameworkHandle);24            testHostProcess.WaitForExit();25        }26        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)27        {28            throw new NotImplementedException();29        }30        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestCaseEventsHandler eventsHandler)31        {32            throw new NotImplementedException();33        }34    }35}

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.