Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use TestDiscovererMetadata method of Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.TestDiscovererMetadata class

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.TestDiscovererMetadata.TestDiscovererMetadata

TestPluginManagerTests.cs

Source:TestPluginManagerTests.cs

...57        [TestMethod]58        public void GetTestExtensionsShouldReturnTestDiscovererExtensions()59        {60            TestPluginCacheHelper.SetupMockExtensions(typeof(TestPluginManagerTests));61            TestPluginManager.Instance.GetSpecificTestExtensions<TestDiscovererPluginInformation, ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(62                TestPlatformConstants.TestAdapterEndsWithPattern,63                out var unfilteredTestExtensions,64                out var testExtensions);65            Assert.IsNotNull(unfilteredTestExtensions);66            Assert.IsNotNull(testExtensions);67            Assert.IsTrue(testExtensions.Any());68        }69        [TestMethod]70        public void GetTestExtensionsShouldDiscoverExtensionsOnlyOnce()71        {72            var discoveryCount = 0;73            TestPluginCacheHelper.SetupMockExtensions(typeof(TestPluginManagerTests), () => { discoveryCount++; });74            TestPluginManager.Instance.GetSpecificTestExtensions<TestDiscovererPluginInformation, ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(75                TestPlatformConstants.TestAdapterEndsWithPattern,76                out var unfilteredTestExtensions,77                out var testExtensions);78            // Call this again to verify that discovery is not called again.79            TestPluginManager.Instance.GetSpecificTestExtensions<TestDiscovererPluginInformation, ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(80                TestPlatformConstants.TestAdapterEndsWithPattern,81                out unfilteredTestExtensions,82                out testExtensions);83            Assert.IsNotNull(testExtensions);84            Assert.IsTrue(testExtensions.Any());85            Assert.AreEqual(2, discoveryCount);86        }87        [TestMethod]88        public void GetTestExtensionsForAnExtensionAssemblyShouldReturnExtensionsInThatAssembly()89        {90            TestPluginManager.Instance91                .GetTestExtensions<TestDiscovererPluginInformation, ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(92                    typeof(TestPluginManagerTests).GetTypeInfo().Assembly.Location,93                    out var unfilteredTestExtensions,94                    out var testExtensions);95            Assert.IsNotNull(testExtensions);96            Assert.IsTrue(testExtensions.Any());97        }98        #region Implementations99        private abstract class AbstractDummyLogger : ITestLogger100        {101            public void Initialize(TestLoggerEvents events, string testRunDirectory)102            {103                throw new NotImplementedException();104            }105        }...

TestDiscoveryExtensionManagerTests.cs

Source:TestDiscoveryExtensionManagerTests.cs

...58        }59        #endregion60    }61    [TestClass]62    public class TestDiscovererMetadataTests63    {64        [TestMethod]65        public void TestDiscovererMetadataCtorDoesNotThrowWhenFileExtensionsIsNull()66        {67            var metadata = new TestDiscovererMetadata(null, null);68            Assert.IsNull(metadata.FileExtension);69        }70        [TestMethod]71        public void TestDiscovererMetadataCtorDoesNotThrowWhenFileExtensionsIsEmpty()72        {73            var metadata = new TestDiscovererMetadata(new List<string>(), null);74            Assert.IsNull(metadata.FileExtension);75        }76        [TestMethod]77        public void TestDiscovererMetadataCtorDoesNotThrowWhenDefaultUriIsNull()78        {79            var metadata = new TestDiscovererMetadata(new List<string>(), null);80            Assert.IsNull(metadata.DefaultExecutorUri);81        }82        [TestMethod]83        public void TestDiscovererMetadataCtorDoesNotThrowWhenDefaultUriIsEmpty()84        {85            var metadata = new TestDiscovererMetadata(new List<string>(), " ");86            Assert.IsNull(metadata.DefaultExecutorUri);87        }88        [TestMethod]89        public void TestDiscovererMetadataCtorSetsFileExtensions()90        {91            var extensions = new List<string> { "csv", "dll" };92            var metadata = new TestDiscovererMetadata(extensions, null);93            CollectionAssert.AreEqual(extensions, metadata.FileExtension.ToList());94        }95        [TestMethod]96        public void TestDiscovererMetadataCtorSetsDefaultUri()97        {98            var metadata = new TestDiscovererMetadata(null, "executor://helloworld");99            Assert.AreEqual("executor://helloworld/", metadata.DefaultExecutorUri.AbsoluteUri);100        }101        [TestMethod]102        public void TestDiscovererMetadataCtorSetsAssemblyType()103        {104            var metadata = new TestDiscovererMetadata(null, "executor://helloworld", AssemblyType.Native);105            Assert.AreEqual(AssemblyType.Native, metadata.AssemblyType);106        }107    }108}...

TestDiscovererMetadata

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.VisualStudio.TestPlatform.Common.ExtensionFramework;10using System.Reflection;11{12    [FileExtension(".cs")]13    {14        public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)15        {16            {17                TestDiscovererMetadata testDiscovererMetadata = new TestDiscovererMetadata();18                Type type = testDiscovererMetadata.GetType();19                MethodInfo method = type.GetMethod("TestDiscovererMetadata");20                object[] parameters = new object[1];21                parameters[0] = "TestDiscovererMetadata";22                method.Invoke(testDiscovererMetadata, parameters);23            }24            catch (Exception e)25            {26                Console.WriteLine(e.Message);27            }28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using Microsoft.VisualStudio.TestPlatform.ObjectModel;37using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;38using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;39using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;40using System.Reflection;41{42    [FileExtension(".cs")]43    {44        public void Cancel()45        {46        }47        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)48        {49            {50                TestExecutorMetadata testExecutorMetadata = new TestExecutorMetadata();51                Type type = testExecutorMetadata.GetType();52                MethodInfo method = type.GetMethod("TestExecutorMetadata");53                object[] parameters = new object[1];54                parameters[0] = "TestExecutorMetadata";55                method.Invoke(testExecutorMetadata, parameters);56            }57            catch (Exception e)58            {59                Console.WriteLine(e.Message);60            }61        }62        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)63        {

TestDiscovererMetadata

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.VisualStudio.TestPlatform.Common.ExtensionFramework;10{11    [FileExtension(".cs")]12    [FileExtension(".vb")]13    [FileExtension(".fs")]14    {15        public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)16        {17            var testDiscovererMetadata = new TestDiscovererMetadata();18            var result = testDiscovererMetadata.TestDiscovererMetadataMethod();19            Console.WriteLine(result);20        }21        public void Dispose()22        {23        }24    }25}26using System;27using System.Collections.Generic;28using System.Linq;29using System.Text;30using System.Threading.Tasks;31using Microsoft.VisualStudio.TestPlatform.ObjectModel;32using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;33using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;34using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;35{36    [FileExtension(".cs")]37    [FileExtension(".vb")]38    [FileExtension(".fs")]39    {40        public void Cancel()41        {42        }43        public void Dispose()44        {45        }46        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)47        {48            var testExecutorMetadata = new TestExecutorMetadata();49            var result = testExecutorMetadata.TestExecutorMetadataMethod();50            Console.WriteLine(result);51        }52        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)53        {54            var testExecutorMetadata = new TestExecutorMetadata();55            var result = testExecutorMetadata.TestExecutorMetadataMethod();56            Console.WriteLine(result);57        }58    }59}

TestDiscovererMetadata

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;2using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;3using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Reflection;8using System.Text;9using System.Threading.Tasks;10{11    {12        public static void Main(string[] args)13        {14            var discovererMetadata = new Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.TestDiscovererMetadata(typeof(TestDiscoverer));15            Console.WriteLine(discovererMetadata);16            Console.WriteLine("Discoverer AssemblyQualifiedName: " + discovererMetadata.DiscovererAssemblyQualifiedName);17            Console.WriteLine("Discoverer Uri: " + discovererMetadata.DiscovererUri);18            Console.WriteLine("Discoverer FriendlyName: " + discovererMetadata.FriendlyName);19            Console.WriteLine("Discoverer Supports Run Tests in Isolation: " + discovererMetadata.SupportsRunTestsInIsolation);20            Console.WriteLine("Discoverer Supports Parallel Discovery: " + discovererMetadata.SupportsParallelDiscovery);21        }22    }23}

TestDiscovererMetadata

Using AI Code Generation

1{2    {3        static void Main(string[] args)4        {5            string testDiscovererMetadata = TestDiscovererMetadata.GetTestDiscovererMetadata(typeof(Program).Assembly.Location);6            Console.WriteLine(testDiscovererMetadata);7            Console.ReadLine();8        }9    }10}11{12    {13        static void Main(string[] args)14        {15            string testDiscovererMetadata = TestDiscovererMetadata.GetTestDiscovererMetadata(typeof(TestDiscovererMetadataExample).Assembly.Location);16            Console.WriteLine(testDiscovererMetadata);

TestDiscovererMetadata

Using AI Code Generation

1using System;2using System.Reflection;3using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;4using Microsoft.VisualStudio.TestPlatform.ObjectModel;5using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;6{7    {8        private static void Main(string[] args)9        {10            TestDiscovererMetadata discovererMetadata = new TestDiscovererMetadata(typeof(TestDiscovererMetadata).GetTypeInfo().Assembly);11            Console.WriteLine("Discoverer name: " + discovererMetadata.Name);12            Console.WriteLine("Discoverer uri: " + discovererMetadata.Uri);13            Console.WriteLine("Discoverer friendly name: " + discovererMetadata.FriendlyName);14            Console.WriteLine("Discoverer supports run in parallel: " + discovererMetadata.SupportsRunInParallel);15            Console.WriteLine("Discoverer supports parallel test execution: " + discovererMetadata.SupportsParallelTestExecution);16            Console.WriteLine("Discoverer supports async test execution: " + discovererMetadata.SupportsAsyncTestExecution);17            Console.WriteLine("Discoverer test case filter: " + discovererMetadata.TestCaseFilter);18            Console.WriteLine("Discoverer test case timeout: " + discovererMetadata.TestCaseTimeout);19            Console.WriteLine("Discoverer test case timeout: " + discovererMetadata.DefaultExecutorUri);20            Console.WriteLine("Discoverer test case timeout: " + discovererMetadata.ExecutorUris);21            Console.ReadLine();22        }23    }24}25using System;26using System.Reflection;27using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;28using Microsoft.VisualStudio.TestPlatform.ObjectModel;29using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;30{31    {32        private static void Main(string[] args)33        {34            TestExecutorMetadata executorMetadata = new TestExecutorMetadata(typeof(TestExecutorMetadata).GetTypeInfo().Assembly);

TestDiscovererMetadata

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;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            Console.WriteLine("TestDiscovererMetadata.ToString(): " + testDiscovererMetadata.ToString());12            Console.WriteLine("TestDiscovererMetadata.FriendlyName: " + testDiscovererMetadata.FriendlyName);13            Console.WriteLine("TestDiscovererMetadata.Uri: " + testDiscovererMetadata.Uri);14            Console.WriteLine("TestDiscovererMetadata.ExtensionUri: " + testDiscovererMetadata.ExtensionUri);15            Console.WriteLine("TestDiscovererMetadata.IsUnitTestExtension: " + testDiscovererMetadata.IsUnitTestExtension);16            Console.WriteLine("TestDiscovererMetadata.ExtensionVersion: " + testDiscovererMetadata.ExtensionVersion);17            Console.ReadLine();18        }19    }20}

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.