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How to use HandleDiscoveryStart method of Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client.TestLoggerManager class

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Client.TestLoggerManager.HandleDiscoveryStart

TestLoggerManagerTests.cs

Source:TestLoggerManagerTests.cs

...314        /// <summary>315        /// DiscoveryStart event handler of loggers should be called only if discovery events are registered.316        /// </summary>317        [TestMethod]318        public void HandleDiscoveryStartShouldInvokeDiscoveryStartHandlerOfLoggers()319        {320            counter = 0;321            waitHandle.Reset();322            DiscoveryCriteria discoveryCriteria = new DiscoveryCriteria() { TestCaseFilter = "Name=Test1" };323            DiscoveryStartEventArgs discoveryStartEventArgs = new DiscoveryStartEventArgs(discoveryCriteria);324            // setup TestLogger325            var testLoggerManager = new DummyTestLoggerManager();326            testLoggerManager.InitializeLoggerByUri(new Uri(loggerUri), new Dictionary<string, string>());327            testLoggerManager.EnableLogging();328            testLoggerManager.HandleDiscoveryStart(discoveryStartEventArgs);329            // Assertions when discovery events registered330            waitHandle.WaitOne();331            Assert.AreEqual(1, counter);332        }333        /// <summary>334        /// DiscoveryStart event handler of loggers should be called only if discovery events are registered.335        /// </summary>336        [TestMethod]337        public void HandleDiscoveryStartShouldNotInvokeDiscoveryStartHandlerOfLoggersIfDisposed()338        {339            counter = 0;340            waitHandle.Reset();341            DiscoveryCriteria discoveryCriteria = new DiscoveryCriteria() { TestCaseFilter = "Name=Test1" };342            DiscoveryStartEventArgs discoveryStartEventArgs = new DiscoveryStartEventArgs(discoveryCriteria);343            // setup TestLogger344            var testLoggerManager = new DummyTestLoggerManager();345            testLoggerManager.InitializeLoggerByUri(new Uri(loggerUri), new Dictionary<string, string>());346            testLoggerManager.EnableLogging();347            testLoggerManager.Dispose();348            testLoggerManager.HandleDiscoveryStart(discoveryStartEventArgs);349            // Assertions when discovery events registered350            Assert.AreEqual(0, counter);351        }352        /// <summary>353        /// DiscoveredTests event handler of loggers should be called only if discovery events are registered.354        /// </summary>355        [TestMethod]356        public void HandleDiscoveredTestsShouldInvokeDiscoveredTestsHandlerOfLoggers()357        {358            counter = 0;359            waitHandle.Reset();360            List<TestCase> testCases = new List<TestCase> { new TestCase("This is a string.", new Uri("some://uri"), "DummySourceFileName") };361            DiscoveredTestsEventArgs discoveredTestsEventArgs = new DiscoveredTestsEventArgs(testCases);362            // setup TestLogger...

TestLoggerManager.cs

Source:TestLoggerManager.cs

...279        /// <summary>280        /// Handles discovery start event.281        /// </summary>282        /// <param name="e">DiscoveryStart event args.</param>283        public void HandleDiscoveryStart(DiscoveryStartEventArgs e)284        {285            if (this.isDisposed)286            {287                EqtTrace.Warning("TestLoggerManager.HandleDiscoveryStart: Ignoring as the object is disposed.");288                return;289            }290            this.loggerEvents.RaiseDiscoveryStart(e);291        }292        /// <summary>293        /// Ensure that all pending messages are sent to the loggers.294        /// </summary>295        public void Dispose()296        {297            this.Dispose(true);298            // Use SupressFinalize in case a subclass299            // of this type implements a finalizer.300            GC.SuppressFinalize(this);301        }...

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