Notify translation layer for any errors and warning logged during ses…

…sion (#2165)

* subscribed to test session manager and added unit tests
* only warning and error are shown to IDE

src/Microsoft.TestPlatform.Client/DesignMode/DesignModeClient.cs

@@ -5,12 +5,14 @@ namespace Microsoft.VisualStudio.TestPlatform.Client.DesignMode
 {
     using System;
     using System.Collections.Generic;
+    using System.Data;
     using System.Globalization;
     using System.Net;
     using System.Threading;
     using System.Threading.Tasks;
 
     using Microsoft.VisualStudio.TestPlatform.Client.RequestHelper;
+    using Microsoft.VisualStudio.TestPlatform.Common.Logging;
     using Microsoft.VisualStudio.TestPlatform.Common.Utilities;
     using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;
     using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;
@@ -41,6 +43,8 @@ public class DesignModeClient : IDesignModeClient
 
         protected Action<Message> onAckMessageReceived;
 
+        private TestSessionMessageLogger testSessionMessageLogger;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="DesignModeClient"/> class.
         /// </summary>
@@ -66,6 +70,8 @@ internal DesignModeClient(ICommunicationManager communicationManager, IDataSeria
             this.communicationManager = communicationManager;
             this.dataSerializer = dataSerializer;
             this.platformEnvironment = platformEnvironment;
+            this.testSessionMessageLogger = TestSessionMessageLogger.Instance;
+            this.testSessionMessageLogger.TestRunMessage += this.TestRunMessageHandler;
         }
 
         /// <summary>
@@ -171,7 +177,7 @@ private void ProcessRequests(ITestRequestManager testRequestManager)
 
                         case MessageType.StartDiscovery:
                             {
-                                var discoveryPayload = this.dataSerializer.DeserializePayload<DiscoveryRequestPayload>(message); 
+                                var discoveryPayload = this.dataSerializer.DeserializePayload<DiscoveryRequestPayload>(message);
                                 this.StartDiscovery(discoveryPayload, testRequestManager);
                                 break;
                             }
@@ -311,6 +317,20 @@ public void SendTestMessage(TestMessageLevel level, string message)
             this.communicationManager.SendMessage(MessageType.TestMessage, payload);
         }
 
+        /// <summary>
+        /// Sends the test session logger warning and error messages to IDE; 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        public void TestRunMessageHandler(object sender, TestRunMessageEventArgs e)
+        {
+            if (e.Level == TestMessageLevel.Error || e.Level == TestMessageLevel.Warning)
+            {
+                var payload = new TestMessagePayload { MessageLevel = e.Level, Message = e.Message };
+                this.communicationManager.SendMessage(MessageType.TestMessage, payload);
+            }
+        }
+
         private void StartTestRun(TestRunRequestPayload testRunPayload, ITestRequestManager testRequestManager, bool skipTestHostLaunch)
         {
             Task.Run(

test/Microsoft.TestPlatform.Client.UnitTests/DesignMode/DesignModeClientTests.cs

@@ -4,6 +4,7 @@ namespace Microsoft.VisualStudio.TestPlatform.Client.UnitTests.DesignMode
 {
     using System;
     using System.Linq;
+    using System.Linq.Expressions;
     using System.Net;
     using System.Threading;
     using System.Threading.Tasks;
@@ -17,6 +18,7 @@ namespace Microsoft.VisualStudio.TestPlatform.Client.UnitTests.DesignMode
     using Microsoft.VisualStudio.TestPlatform.ObjectModel;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;
     using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;
+    using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;
     using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.Interfaces;
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -65,6 +67,36 @@ public void DesignModeClientInitializeShouldInstantiateClassAndCreateClient()
             Assert.IsNotNull(DesignModeClient.Instance);
         }
 
+        [TestMethod]
+        public void TestRunMessageHandlerShouldCallCommmunicationManagerIfMessageisError()
+        {
+            this.mockCommunicationManager.Setup(cm => cm.SendMessage(It.IsAny<string>()));
+
+            this.designModeClient.TestRunMessageHandler(new object(), new TestRunMessageEventArgs(TestMessageLevel.Error, "message"));
+
+            this.mockCommunicationManager.Verify(cm => cm.SendMessage(It.IsAny<string>(),It.IsAny<TestMessagePayload>()), Times.Once());
+        }
+
+        [TestMethod]
+        public void TestRunMessageHandlerShouldCallCommmunicationManagerIfMessageisWarning()
+        {
+            this.mockCommunicationManager.Setup(cm => cm.SendMessage(It.IsAny<string>()));
+
+            this.designModeClient.TestRunMessageHandler(new object(), new TestRunMessageEventArgs(TestMessageLevel.Warning, "message"));
+
+            this.mockCommunicationManager.Verify(cm => cm.SendMessage(It.IsAny<string>(), It.IsAny<TestMessagePayload>()), Times.Once());
+        }
+
+        [TestMethod]
+        public void TestRunMessageHandlerShouldNotCallCommmunicationManagerIfMessageisInformational()
+        {
+            this.mockCommunicationManager.Setup(cm => cm.SendMessage(It.IsAny<string>()));
+
+            this.designModeClient.TestRunMessageHandler(new object(), new TestRunMessageEventArgs(TestMessageLevel.Informational, "message"));
+
+            this.mockCommunicationManager.Verify(cm => cm.SendMessage(It.IsAny<string>(), It.IsAny<TestMessagePayload>()), Times.Never());
+        }
+
         [TestMethod]
         public void DesignModeClientConnectShouldSetupChannel()
         {