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

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

DiscovererEnumeratorTests.cs

Source:DiscovererEnumeratorTests.cs

...57            JsonTestDiscoverer.Reset();58            NotImplementedTestDiscoverer.Reset();59        }60        [TestMethod]61        public void LoadTestsShouldReportWarningOnNoDiscoverers()62        {63            TestPluginCacheHelper.SetupMockExtensions(64                new string[] { typeof(TestPluginCache).GetTypeInfo().Assembly.Location },65                () => { });66            var sources = new List<string> { typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location };67            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();68            extensionSourceMap.Add("_none_", sources);69            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, null, this.messageLoggerMock.Object);70            var messageFormat =71                "No test is available in {0}. Make sure that test discoverer & executors are registered and platform & framework version settings are appropriate and try again.";72            var message = string.Format(messageFormat, string.Join(" ", sources));73            this.messageLoggerMock.Verify(74                l =>75                l.SendMessage(TestMessageLevel.Warning, message), Times.Once);76        }77        [TestMethod]78        public void LoadTestsShouldNotCallIntoDiscoverersIfNoneMatchesSources()79        {80            TestPluginCacheHelper.SetupMockExtensions(81                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },82                () => { });83            var sources = new List<string> { "temp.jpeg" };84            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();85            extensionSourceMap.Add("_none_", sources);86            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, null, this.messageLoggerMock.Object);87            Assert.IsFalse(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);88            Assert.IsFalse(NativeDllTestDiscoverer.IsNativeDiscoverTestCalled);89        }90        [TestMethod]91        public void LoadTestsShouldCallOnlyNativeDiscovererIfNativeAssembliesPassed()92        {93            TestPluginCacheHelper.SetupMockExtensions(94                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },95                () => { });96            this.mockAssemblyProperties.Setup(pe => pe.GetAssemblyType("native.dll")).Returns(AssemblyType.Native);97            var sources = new List<string>98                              {99                                  "native.dll"100                              };101            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();102            extensionSourceMap.Add("_none_", sources);103            string testCaseFilter = "TestFilter";104            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);105            Assert.IsTrue(NativeDllTestDiscoverer.IsNativeDiscoverTestCalled);106            CollectionAssert.AreEqual(sources, NativeDllTestDiscoverer.Sources.ToList());107            Assert.IsFalse(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);108            Assert.IsFalse(JsonTestDiscoverer.IsDiscoverTestCalled);109        }110        [TestMethod]111        public void LoadTestsShouldCallOnlyManagedDiscovererIfManagedAssembliesPassed()112        {113            TestPluginCacheHelper.SetupMockExtensions(114                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },115                () => { });116            this.mockAssemblyProperties.Setup(pe => pe.GetAssemblyType("managed.dll")).Returns(AssemblyType.Managed);117            var sources = new List<string>118                              {119                                  "managed.dll"120                              };121            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();122            extensionSourceMap.Add("_none_", sources);123            string testCaseFilter = "TestFilter";124            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);125            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);126            CollectionAssert.AreEqual(sources, ManagedDllTestDiscoverer.Sources.ToList());127            Assert.IsFalse(NativeDllTestDiscoverer.IsNativeDiscoverTestCalled);128            Assert.IsFalse(JsonTestDiscoverer.IsDiscoverTestCalled);129        }130        [TestMethod]131        public void LoadTestsShouldCallBothNativeAndManagedDiscoverersWithCorrectSources()132        {133            TestPluginCacheHelper.SetupMockExtensions(134                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },135                () => { });136            this.mockAssemblyProperties.Setup(pe => pe.GetAssemblyType("native.dll")).Returns(AssemblyType.Native);137            this.mockAssemblyProperties.Setup(pe => pe.GetAssemblyType("managed.dll")).Returns(AssemblyType.Managed);138            var nativeSources = new List<string>139                              {140                                  "native.dll"141                              };142            var managedSources = new List<string>143                              {144                                  "managed.dll"145                              };146            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();147            extensionSourceMap.Add("_none_", nativeSources.Concat(managedSources));148            string testCaseFilter = "TestFilter";149            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);150            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);151            CollectionAssert.AreEqual(managedSources, ManagedDllTestDiscoverer.Sources.ToList());152            Assert.IsTrue(NativeDllTestDiscoverer.IsNativeDiscoverTestCalled);153            CollectionAssert.AreEqual(nativeSources, NativeDllTestDiscoverer.Sources.ToList());154            Assert.IsFalse(JsonTestDiscoverer.IsDiscoverTestCalled);155        }156        [TestMethod]157        public void LoadTestsShouldCallIntoADiscovererThatMatchesTheSources()158        {159            TestPluginCacheHelper.SetupMockExtensions(160                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },161                () => { });162            var sources = new List<string>163                              {164                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location,165                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location166                              };167            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();168            extensionSourceMap.Add("_none_", sources);169            string testCaseFilter = "TestFilter";170            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);171            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);172            Assert.IsFalse(JsonTestDiscoverer.IsDiscoverTestCalled);173            // Also validate that the right set of arguments were passed on to the discoverer.174            CollectionAssert.AreEqual(sources, ManagedDllTestDiscoverer.Sources.ToList());175            Assert.AreEqual(this.runSettingsMock.Object, ManagedDllTestDiscoverer.DiscoveryContext.RunSettings);176            Assert.AreEqual(testCaseFilter, (ManagedDllTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);177            Assert.AreEqual(this.messageLoggerMock.Object, ManagedDllTestDiscoverer.MessageLogger);178            Assert.IsNotNull(ManagedDllTestDiscoverer.DiscoverySink);179        }180        [TestMethod]181        public void LoadTestsShouldCallIntoMultipleDiscoverersThatMatchesTheSources()182        {183            TestPluginCacheHelper.SetupMockExtensions(184                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },185                () => { });186            var dllsources = new List<string>187                              {188                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location,189                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location190                              };191            var jsonsources = new List<string>192                              {193                                  "test1.json",194                                  "test2.json"195                              };196            var sources = new List<string>(dllsources);197            sources.AddRange(jsonsources);198            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();199            extensionSourceMap.Add("_none_", sources);200            var runSettings = this.runSettingsMock.Object;201            string testCaseFilter = "TestFilter";202            this.discovererEnumerator.LoadTests(extensionSourceMap, runSettings, testCaseFilter, this.messageLoggerMock.Object);203            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);204            Assert.IsTrue(JsonTestDiscoverer.IsDiscoverTestCalled);205            // Also validate that the right set of arguments were passed on to the discoverer.206            CollectionAssert.AreEqual(dllsources, ManagedDllTestDiscoverer.Sources.ToList());207            Assert.AreEqual(runSettings, ManagedDllTestDiscoverer.DiscoveryContext.RunSettings);208            Assert.AreEqual(testCaseFilter, (ManagedDllTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);209            Assert.AreEqual(this.messageLoggerMock.Object, ManagedDllTestDiscoverer.MessageLogger);210            Assert.IsNotNull(ManagedDllTestDiscoverer.DiscoverySink);211            CollectionAssert.AreEqual(jsonsources, JsonTestDiscoverer.Sources.ToList());212            Assert.AreEqual(runSettings, JsonTestDiscoverer.DiscoveryContext.RunSettings);213            Assert.AreEqual(testCaseFilter, (JsonTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);214            Assert.AreEqual(this.messageLoggerMock.Object, JsonTestDiscoverer.MessageLogger);215            Assert.IsNotNull(JsonTestDiscoverer.DiscoverySink);216        }217        [TestMethod]218        public void LoadTestsShouldCallIntoOtherDiscoverersWhenCreatingOneFails()219        {220            TestPluginCacheHelper.SetupMockExtensions(221                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },222                () => { });223            var sources = new List<string>224                              {225                                  "test1.csv",226                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location227                              };228            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();229            extensionSourceMap.Add("_none_", sources);230            var runSettings = this.runSettingsMock.Object;231            string testCaseFilter = "TestFilter";232            this.discovererEnumerator.LoadTests(extensionSourceMap, runSettings, testCaseFilter, this.messageLoggerMock.Object);233            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);234            Assert.IsFalse(SingletonTestDiscoverer.IsDiscoverTestCalled);235            // Also validate that the right set of arguments were passed on to the discoverer.236            CollectionAssert.AreEqual(new List<string> { sources[1] }, ManagedDllTestDiscoverer.Sources.ToList());237            Assert.AreEqual(runSettings, ManagedDllTestDiscoverer.DiscoveryContext.RunSettings);238            Assert.AreEqual(testCaseFilter, (ManagedDllTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);239            Assert.AreEqual(this.messageLoggerMock.Object, ManagedDllTestDiscoverer.MessageLogger);240            Assert.IsNotNull(ManagedDllTestDiscoverer.DiscoverySink);241        }242        [TestMethod]243        public void LoadTestsShouldCallIntoOtherDiscoverersEvenIfDiscoveryInOneFails()244        {245            TestPluginCacheHelper.SetupMockExtensions(246                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },247                () => { });248            var sources = new List<string>249                              {250                                  "test1.cs",251                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location252                              };253            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();254            extensionSourceMap.Add("_none_", sources);255            var runSettings = this.runSettingsMock.Object;256            string testCaseFilter = "TestFilter";257            this.discovererEnumerator.LoadTests(extensionSourceMap, runSettings, testCaseFilter, this.messageLoggerMock.Object);258            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);259            Assert.IsTrue(NotImplementedTestDiscoverer.IsDiscoverTestCalled);260            // Also validate that the right set of arguments were passed on to the discoverer.261            CollectionAssert.AreEqual(new List<string> { sources[1] }, ManagedDllTestDiscoverer.Sources.ToList());262            Assert.AreEqual(runSettings, ManagedDllTestDiscoverer.DiscoveryContext.RunSettings);263            Assert.AreEqual(testCaseFilter, (ManagedDllTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);264            Assert.AreEqual(this.messageLoggerMock.Object, ManagedDllTestDiscoverer.MessageLogger);265            Assert.IsNotNull(ManagedDllTestDiscoverer.DiscoverySink);266            // Check if we log the failure.267            var message = string.Format(268                    CultureInfo.CurrentUICulture,269                    "An exception occurred while test discoverer '{0}' was loading tests. Exception: {1}",270                    typeof(NotImplementedTestDiscoverer).Name,271                    "The method or operation is not implemented.");272            this.messageLoggerMock.Verify(l => l.SendMessage(TestMessageLevel.Error, message), Times.Once);273        }274        [TestMethod]275        public void LoadTestsShouldCollectMetrics()276        {277            var mockMetricsCollector = new Mock<IMetricsCollection>();278            var dict = new Dictionary<string, object>();279            dict.Add("DummyMessage", "DummyValue");280            TestPluginCacheHelper.SetupMockExtensions(281                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },282                () => { });283            var sources = new List<string>284                              {285                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location,286                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location287                              };288            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();289            extensionSourceMap.Add("_none_", sources);290            mockMetricsCollector.Setup(mc => mc.Metrics).Returns(dict);291            this.mockRequestData.Setup(rd => rd.MetricsCollection).Returns(mockMetricsCollector.Object);292            string testCaseFilter = "TestFilter";293            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);294            // Verify.295            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TimeTakenInSecByAllAdapters, It.IsAny<object>()), Times.Once);296            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.NumberOfAdapterUsedToDiscoverTests, It.IsAny<object>()), Times.Once);297            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.NumberOfAdapterDiscoveredDuringDiscovery, It.IsAny<object>()), Times.Once);298            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TotalTestsByAdapter + ".discoverer://manageddlldiscoverer/", It.IsAny<object>()), Times.Once);299            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TimeTakenToDiscoverTestsByAnAdapter + ".discoverer://manageddlldiscoverer/", It.IsAny<object>()), Times.Once);300            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TotalTestsByAdapter + ".discoverer://nativedlldiscoverer/", It.IsAny<object>()), Times.Once);301            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TimeTakenToDiscoverTestsByAnAdapter + ".discoverer://nativedlldiscoverer/", It.IsAny<object>()), Times.Once);302            mockMetricsCollector.Verify(rd => rd.Add(TelemetryDataConstants.TimeTakenToLoadAdaptersInSec, It.IsAny<object>()), Times.Once);303        }304        [TestMethod]305        public void LoadTestsShouldNotCallIntoDiscoverersWhenCancelled()306        {307            // Setup308            string[] extensions = new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location };309            TestPluginCacheHelper.SetupMockExtensions(extensions, () => { });310            var dllsources = new List<string>311                              {312                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location,313                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location314                              };315            var jsonsources = new List<string>316                              {317                                  "test1.json",318                                  "test2.json"319                              };320            var sources = new List<string>(dllsources);321            sources.AddRange(jsonsources);322            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>323            {324                { "_none_", sources }325            };326            // Act327            this.cancellationTokenSource.Cancel();328            var runSettings = this.runSettingsMock.Object;329            string testCaseFilter = "TestFilter";330            this.discovererEnumerator.LoadTests(extensionSourceMap, runSettings, testCaseFilter, this.messageLoggerMock.Object);331            // Validate332            Assert.IsFalse(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);333            Assert.IsFalse(JsonTestDiscoverer.IsDiscoverTestCalled);334            this.messageLoggerMock.Verify(logger => logger.SendMessage(TestMessageLevel.Warning, "Discovery of tests cancelled."), Times.Once);335        }336        [TestMethod]337        public void LoadTestsShouldCallIntoTheAdapterWithTheRightTestCaseSink()338        {339            this.InvokeLoadTestWithMockSetup();340            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);341            Assert.AreEqual(2, this.discoveryResultCache.Tests.Count);342        }343        [TestMethod]344        public void LoadTestsShouldNotShowAnyWarningOnTestsDiscovered()345        {346            this.InvokeLoadTestWithMockSetup();347            Assert.AreEqual(2, this.discoveryResultCache.Tests.Count);348            this.messageLoggerMock.Verify(m => m.SendMessage(TestMessageLevel.Warning, It.IsAny<string>()), Times.Never);349        }350        [TestMethod]351        public void LoadTestShouldInstrumentDiscoveryStart()352        {353            this.InvokeLoadTestWithMockSetup();354            this.mockTestPlatformEventSource.Verify(x => x.DiscoveryStart(), Times.Once);355        }356        [TestMethod]357        public void LoadTestShouldInstrumentDiscoveryStop()358        {359            this.InvokeLoadTestWithMockSetup();360            this.mockTestPlatformEventSource.Verify(x => x.DiscoveryStop(It.IsAny<long>()), Times.Once);361        }362        [TestMethod]363        public void LoadTestShouldInstrumentAdapterDiscoveryStart()364        {365            this.InvokeLoadTestWithMockSetup();366            this.mockTestPlatformEventSource.Verify(x => x.AdapterDiscoveryStart(It.IsAny<string>()), Times.AtLeastOnce);367        }368        [TestMethod]369        public void LoadTestShouldInstrumentAdapterDiscoveryStop()370        {371            this.InvokeLoadTestWithMockSetup();372            this.mockTestPlatformEventSource.Verify(x => x.AdapterDiscoveryStop(It.IsAny<long>()), Times.AtLeastOnce);373        }374        [TestMethod]375        public void LoadTestsShouldIterateOverAllExtensionsInTheMapAndDiscoverTests()376        {377            TestPluginCacheHelper.SetupMockExtensions(378                new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },379                () => { });380            var dllsources = new List<string>381                              {382                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location,383                                  typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location384                              };385            var jsonsources = new List<string>386                              {387                                  "test1.json",388                                  "test2.json"389                              };390            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();391            extensionSourceMap.Add(typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location, jsonsources);392            extensionSourceMap.Add("_none_", dllsources);393            var runSettings = this.runSettingsMock.Object;394            string testCaseFilter = "TestFilter";395            this.discovererEnumerator.LoadTests(extensionSourceMap, runSettings, testCaseFilter, this.messageLoggerMock.Object);396            Assert.IsTrue(ManagedDllTestDiscoverer.IsManagedDiscoverTestCalled);397            Assert.IsTrue(JsonTestDiscoverer.IsDiscoverTestCalled);398            // Also validate that the right set of arguments were passed on to the discoverer.399            CollectionAssert.AreEqual(dllsources, ManagedDllTestDiscoverer.Sources.ToList());400            Assert.AreEqual(runSettings, ManagedDllTestDiscoverer.DiscoveryContext.RunSettings);401            Assert.AreEqual(testCaseFilter, (ManagedDllTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);402            Assert.AreEqual(this.messageLoggerMock.Object, ManagedDllTestDiscoverer.MessageLogger);403            Assert.IsNotNull(ManagedDllTestDiscoverer.DiscoverySink);404            CollectionAssert.AreEqual(jsonsources, JsonTestDiscoverer.Sources.ToList());405            Assert.AreEqual(runSettings, JsonTestDiscoverer.DiscoveryContext.RunSettings);406            Assert.AreEqual(testCaseFilter, (JsonTestDiscoverer.DiscoveryContext as DiscoveryContext).FilterExpressionWrapper.FilterString);407            Assert.AreEqual(this.messageLoggerMock.Object, JsonTestDiscoverer.MessageLogger);408            Assert.IsNotNull(JsonTestDiscoverer.DiscoverySink);409        }410        [TestMethod]411        public void LoadTestsShouldLogWarningMessageOnNoTestsInAssemblies()412        {413            DiscovererEnumeratorTests.SetupForNoTestsAvailableInGivenAssemblies(out var extensionSourceMap, out var sourcesString);414            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, null, this.messageLoggerMock.Object);415            var expectedMessage =416                $"No test is available in {sourcesString}. Make sure that test discoverer & executors are registered and platform & framework version settings are appropriate and try again.";417            this.messageLoggerMock.Verify(l => l.SendMessage(TestMessageLevel.Warning, expectedMessage));418        }419        [TestMethod]420        public void LoadTestsShouldLogWarningMessageOnNoTestsInAssembliesWithTestCaseFilter()421        {422            DiscovererEnumeratorTests.SetupForNoTestsAvailableInGivenAssemblies(out var extensionSourceMap, out var sourcesString);423            var testCaseFilter = "Name~TestMethod1";424            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, testCaseFilter, this.messageLoggerMock.Object);425            var expectedMessage =426                $"No test matches the given testcase filter `{testCaseFilter}` in {sourcesString}";427            this.messageLoggerMock.Verify(l => l.SendMessage(TestMessageLevel.Warning, expectedMessage));428        }429        [TestMethod]430        public void LoadTestsShouldShortenTheLongTestCaseFilterWhenNoTestsDiscovered()431        {432            DiscovererEnumeratorTests.SetupForNoTestsAvailableInGivenAssemblies(out var extensionSourceMap, out var sourcesString);433            var veryLengthyTestCaseFilter = "FullyQualifiedName=TestPlatform.CrossPlatEngine" +434                                            ".UnitTests.Discovery.DiscovererEnumeratorTests." +435                                            "LoadTestsShouldShortenTheLongTestCaseFilterWhenNoTestsDiscovered" +436                                            "TestCaseFilterWithVeryLengthTestCaseNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee";437            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, veryLengthyTestCaseFilter, this.messageLoggerMock.Object);438            var expectedTestCaseFilter = veryLengthyTestCaseFilter.Substring(0, 256) + "...";439            var expectedMessage =440                $"No test matches the given testcase filter `{expectedTestCaseFilter}` in {sourcesString}";441            this.messageLoggerMock.Verify(l => l.SendMessage(TestMessageLevel.Warning, expectedMessage));442        }443        private static void SetupForNoTestsAvailableInGivenAssemblies(444            out Dictionary<string, IEnumerable<string>> extensionSourceMap,445            out string sourcesString)446        {447            var crossPlatEngineAssemblyLocation = typeof(DiscovererEnumerator).GetTypeInfo().Assembly.Location;448            var objectModelAseeAssemblyLocation = typeof(TestCase).GetTypeInfo().Assembly.Location;449            var sources = new string[] { crossPlatEngineAssemblyLocation, objectModelAseeAssemblyLocation };450            extensionSourceMap = new Dictionary<string, IEnumerable<string>>();451            extensionSourceMap.Add("_none_", sources);452            sourcesString = string.Join(" ", crossPlatEngineAssemblyLocation, objectModelAseeAssemblyLocation);453        }454        private void InvokeLoadTestWithMockSetup()455        {456            TestPluginCacheHelper.SetupMockExtensions(457                    new string[] { typeof(DiscovererEnumeratorTests).GetTypeInfo().Assembly.Location },458                    () => { });459            var sources = new List<string>460                                  {461                                      typeof(DiscoveryResultCacheTests).GetTypeInfo().Assembly.Location462                                  };463            var extensionSourceMap = new Dictionary<string, IEnumerable<string>>();464            extensionSourceMap.Add("_none_", sources);465            this.discovererEnumerator.LoadTests(extensionSourceMap, this.runSettingsMock.Object, null, this.messageLoggerMock.Object);466        }467        #region Implementation468        /// <summary>469        /// Placing this before others so that at runtime this would be the first to be discovered as a discoverer.470        /// </summary>471        [FileExtension(".csv")]472        [DefaultExecutorUri("discoverer://csvdiscoverer")]473        private class SingletonTestDiscoverer : ITestDiscoverer474        {475            private SingletonTestDiscoverer()476            {477            }478            public static bool IsDiscoverTestCalled { get; private set; }479            public void DiscoverTests(IEnumerable<string> sources, IDiscoveryContext discoveryContext, IMessageLogger logger, ITestCaseDiscoverySink discoverySink)...

LoadTests

Using AI Code Generation

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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;13using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;14using System.Reflection;15using System.IO;16{17    {18        static void Main(string[] args)19        {20            var discovererEnumerator = new DiscovererEnumerator();21            var testDiscoverers = discovererEnumerator.LoadTests("C:\\Users\\karan\\Desktop\\TestDiscoverer\\TestDiscoverer\\bin\\Debug\\TestDiscoverer.dll");22            foreach (var testDiscoverer in testDiscoverers)23            {24                Console.WriteLine(testDiscoverer);25            }26            Console.ReadKey();27        }28    }29}

LoadTests

Using AI Code Generation

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.ObjectModel;10using System.Reflection;11{12    {13        static void Main(string[] args)14        {15            var discovererEnumerator = new DiscovererEnumerator();16            var testDiscoverers = discovererEnumerator.GetTestDiscoverers();17            var discoverer = testDiscoverers.First().Value;18            var context = new DiscoveryContext();19            var logger = new ConsoleLogger();20            var discoverySink = new DiscoverySink();21            var settings = new Dictionary<string, object>();22            var discoveryCriteria = new DiscoveryCriteria(new List<string>() { "D:\\test\\1.cs" }, 32, settings);23            var testCases = discoverer.LoadTests(discoveryCriteria, context, logger);24            var testCases1 = testCases.ToList();25            Console.WriteLine(testCases1.Count);26            Console.Read();27        }28    }29}

LoadTests

Using AI Code Generation

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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9{10    {11        static void Main(string[] args)12        {13            DiscovererEnumerator discovererEnumerator = new DiscovererEnumerator();14            List<LazyExtension<ITestDiscoverer, ITestDiscovererCapabilities>> testDiscoverers = discovererEnumerator.LoadTests(new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\Common7\\IDE\\Extensions\\TestPlatform\\vstest.console.exe" }, new List<string>() { "C:\\Program Files (x86)\\Microsoft Visual Studio\\

LoadTests

Using AI Code Generation

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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11{12    {13        static void Main(string[] args)14        {15            var discovererEnumerator = new DiscovererEnumerator();16            var discoverers = discovererEnumerator.GetDiscoverers();17            var discoverer = discoverers.First();18            var path = "C:\\Users\\xxx\\Desktop\\test\\";19            var source = "C:\\Users\\xxx\\Desktop\\test\\test.dll";20            var runSettings = @"<RunSettings><RunConfiguration><TargetFrameworkVersion>.NETFramework,Version=v4.6.1</TargetFrameworkVersion></RunConfiguration></RunSettings>";21            var discoveryCriteria = new DiscoveryCriteria(new List<string> { source }, runSettings, path);22            var logger = new ConsoleLogger();23            var discoveryEvents = new DiscoveryEvents();24            discovererEnumerator.LoadTests(discoverer, discoveryCriteria, logger, discoveryEvents);25            Console.ReadLine();26        }27    }28    {29        public void HandleDiscoveredTests(IEnumerable<TestCase> discoveredTestCases)30        {31            Console.WriteLine("HandleDiscoveredTests");32        }33        public void HandleDiscoveryComplete(long totalTests, IEnumerable<TestCase> lastChunk)34        {35            Console.WriteLine("HandleDiscoveryComplete");36        }37        public void HandleLogMessage(TestMessageLevel level, string message)38        {39            Console.WriteLine("HandleLogMessage: " + message);40        }41        public void HandleRawMessage(string rawMessage)42        {43            Console.WriteLine("HandleRawMessage");44        }45    }46    {47        public void SendMessage(TestMessageLevel testMessageLevel, string message)48        {49            Console.WriteLine("SendMessage: " + message);50        }51    }52}

LoadTests

Using AI Code Generation

1using System;2using System.Diagnostics;3using System.IO;4using System.Reflection;5using System.Linq;6using System.Collections.Generic;7using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;13using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Tracing.Interfaces;14using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Tracing;15using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine;16using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution;17using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Adapter;18using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client.ProxyOperationManager;19using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client.Parallel;20using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client.Resources;21using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;22using Microsoft.VisualStudio.TestPlatform.Common;23using Microsoft.VisualStudio.TestPlatform.Common.Interfaces;24using Microsoft.VisualStudio.TestPlatform.Common.Telemetry;25using Microsoft.VisualStudio.TestPlatform.Common.Logging;26using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.EventHandlers;27using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.EventHandlers.Payloads;28using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Events;29using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Helpers;30using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Writers;31using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Writers.Interfaces;32using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Writers.TelemetryDataModel;33using Microsoft.VisualStudio.TestPlatform.Common.Utilities;34using Microsoft.VisualStudio.TestPlatform.Common.Utilities.Interfaces;35using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;36using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Utilities;37using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Interfaces;38using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Plugins;39using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Plugins.Resources;40using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Plugins.Resources.Messages;41using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Utilities.Interfaces;42using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Utilities.Resources;43using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Utilities.Resources.Messages;44using Microsoft.VisualStudio.TestPlatform.Common.Logging.Interfaces;45using Microsoft.VisualStudio.TestPlatform.Common.Logging.Resources;46using Microsoft.VisualStudio.TestPlatform.Common.Logging.Resources.Messages;47using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Resources;48using Microsoft.VisualStudio.TestPlatform.Common.Telemetry.Resources.Messages;49using Microsoft.VisualStudio.TestPlatform.Common.Utilities.Resources;50using Microsoft.VisualStudio.TestPlatform.Common.Utilities.Resources.Messages;

LoadTests

Using AI Code Generation

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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;11using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;13using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;14using Microsoft.VisualStudio.TestPlatform.ObjectModel.Host;15using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions;16using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine;17using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.DataCollection;18using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution;19using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers;20using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Resources;21using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.TestRunEventsHandlers;22using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Utilities;23using Microsoft.VisualStudio.TestPlatform.Common;24using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;25using Microsoft.VisualStudio.TestPlatform.Common.Interfaces;26using Microsoft.VisualStudio.TestPlatform.Common.Logging;27using Microsoft.VisualStudio.TestPlatform.Common.Telemetry;28using Microsoft.VisualStudio.TestPlatform.Common.Utilities;29using Microsoft.VisualStudio.TestPlatform.Common.Utilities.Interfaces;30using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;31using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.DataCollection;32using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;33using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Tracing.Interfaces;34using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Tracing;35using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Adapter;36using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Adapter.Interfaces;37using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution.Base;38using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Hosting;39using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Helpers.Interfaces;40using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Resources;41using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.RunSettingsProvider;42using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.TesthostProviders;43using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Utilities.Interfaces;44using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.Interfaces;45using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;46using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers.Interfaces;

LoadTests

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.Adapter;7using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Discovery;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10{11    {12        static void Main(string[] args)13        {14            var discoverer = new DiscovererEnumerator();15            var discoveryContext = new DiscoveryContext();16            var logger = new MockLogger();17            var discoverySink = new MockDiscoverySink();18            var settings = new Dictionary<string, object>();19            var discoveryCriteria = new DiscoveryCriteria(new List<string>() { "C:\\Users\\test\\Desktop\\test\\test1\\test1\\bin\\Debug\\test1.dll" }, 5, string.Empty, settings);20            discoverer.LoadTests(discoveryCriteria, discoveryContext, logger, discoverySink);21            Console.WriteLine("Hello World!");22        }23    }24    {25        public void SendTestCase(TestCase discoveredTest)26        {27            throw new NotImplementedException();28        }29    }30    {31        public void SendMessage(TestMessageLevel testMessageLevel, string message)32        {33            throw new NotImplementedException();34        }35    }36}

LoadTests

Using AI Code Generation

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;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Execution;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;13{14    {15        static void Main(string[] args)16        {17            TestContainer testContainer = new TestContainer(args[0]);18            var testPlatform = TestPlatformFactory.GetTestPlatform();19            var testRunCriteria = new TestRunCriteria(new List<string>() { testContainer.Source }, 1, false, null, null, null, null, null, null, null);20            var testDiscoveryRequest = testPlatform.CreateDiscoveryRequest(testRunCriteria, new TestPlatformOptions(), new TestLogger());21            var discovererEnumerator = new DiscovererEnumerator();22            var tests = discovererEnumerator.LoadTests(testContainer, testDiscoveryRequest);23            testRunCriteria = new TestRunCriteria(tests, 1, false, null, null, null, null, null, null, null);24            var testExecutionRequest = testPlatform.CreateTestRunRequest(testRunCriteria, new TestPlatformOptions(), new TestLogger());25            var executionManager = new ExecutionManager();26            executionManager.RunTests(tests, testExecutionRequest);27            Console.ReadKey();28        }29    }30}

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.