Get server general properties (#2117)

* add server handler

* get server general properties

test/Microsoft.SqlTools.ServiceLayer.IntegrationTests/ObjectManagement/ServerHandlerTests.cs

@@ -0,0 +1,51 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System.Threading.Tasks;
+using Microsoft.Data.SqlClient;
+using Microsoft.SqlServer.Management.Common;
+using Microsoft.SqlTools.ServiceLayer.IntegrationTests.Utility;
+using Microsoft.SqlTools.ServiceLayer.ObjectManagement;
+using Microsoft.SqlTools.ServiceLayer.Connection;
+using Microsoft.SqlServer.Management.Smo;
+
+using NUnit.Framework;
+using Microsoft.SqlTools.ServiceLayer.Test.Common;
+
+namespace Microsoft.SqlTools.ServiceLayer.IntegrationTests.ObjectManagement
+{
+    /// <summary>
+    /// Tests for the Login management component
+    /// </summary>
+    public class ServerHandlerTests
+    {
+        /// <summary>
+        /// Test GetServerProperties for Sql Server
+        /// </summary>
+        [Test]
+        public async Task GetServerProperties()
+        {
+            var connectionResult = await LiveConnectionHelper.InitLiveConnectionInfoAsync("master", serverType: TestServerType.OnPrem);
+            using (SqlConnection sqlConn = ConnectionService.OpenSqlConnection(connectionResult.ConnectionInfo))
+            {
+                var server = new Server(new ServerConnection(sqlConn));
+                var serverHandler = new ServerHandler(ConnectionService.Instance);
+
+                var requestParams = ObjectManagementTestUtils.GetInitializeViewRequestParams(connectionResult.ConnectionInfo.OwnerUri, "master", true, SqlObjectType.Server, "", "");
+                var result = await serverHandler.InitializeObjectView(requestParams);
+                Assert.That(result.ViewInfo.ObjectInfo, Is.Not.Null, $"Expected result should not be empty");
+                Assert.That(result.ViewInfo.ObjectInfo.Name, Is.EqualTo(server.Name), $"Server name should not be empty");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).Language, Is.Not.Null, $"Server language should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).MemoryInMB, Is.GreaterThan(0), $"Server physical memory should be greater than 0");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).Platform, Is.Not.Null, $"Server platform should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).OperatingSystem, Is.Not.Null, $"Server operating system should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).Processors, Is.Not.Null, $"Server processors should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).IsClustered, Is.Not.Null, $"Server isClustered property should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).IsHadrEnabled, Is.Not.Null, $"Server isHadrEnabled property should not be null");
+                Assert.That(((ServerInfo)result.ViewInfo.ObjectInfo).IsPolyBaseInstalled, Is.Not.Null, $"Server isPolyBaseInstalled property should not be null");
+            }
+        }
+    }
+}