New tool to store SQL connection configs locally (#218)

* added a new tool to store SQL connections locally. Modified the peek definition tests to create test database before running test


* fixed failing test QueryExecutionPlanInvalidParamsTest

* Fixes based on code review comments

* fixed failing test GetSignatureHelpReturnsNotNullIfParseInfoInitialized

test/Microsoft.SqlTools.ServiceLayer.TestEnvConfig/Microsoft.SqlTools.ServiceLayer.TestEnvConfig.xproj

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+
+  <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>6cf2e945-c7d1-44b5-9e28-addd09e3e983</ProjectGuid>
+    <RootNamespace>Microsoft.SqlTools.ServiceLayer.TestEnvConfig</RootNamespace>
+    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">.\obj</BaseIntermediateOutputPath>
+    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>

test/Microsoft.SqlTools.ServiceLayer.TestEnvConfig/Program.cs

@@ -0,0 +1,115 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Xml.Linq;
+using Microsoft.SqlTools.ServiceLayer.Test.Common;
+
+namespace Microsoft.SqlTools.ServiceLayer.TestEnvConfig
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length == 1)
+            {
+                string arg = args[0];
+
+                if (arg.Equals("-?", StringComparison.OrdinalIgnoreCase) ||
+                    arg.Equals("/?", StringComparison.OrdinalIgnoreCase) ||
+                    arg.Equals("-help", StringComparison.OrdinalIgnoreCase) ||
+                    arg.Equals("/help", StringComparison.OrdinalIgnoreCase))
+                {
+                    ShowUsage();
+                }
+                else if (File.Exists(arg) == false)
+                {
+                    Console.WriteLine("setting file {0} does not exist.", arg);
+                }
+                else
+                {
+                    try
+                    {
+                        SaveSettings(arg);
+                        Console.WriteLine("Completed saving the settings");
+                    }
+                    catch (Exception ex)
+                    {
+                        Console.WriteLine("Error encountered: {0}", ex.Message);
+                    }
+                }
+            }
+            else
+            {
+                ShowUsage();
+            }
+        }
+
+        private static void ShowUsage()
+        {
+            Console.WriteLine(@"Usage:
+    TestEnvConfig
+        Show this help message
+
+    TestEnvConfig -?
+        Show this help message
+
+    TestEnvConfig setting_file
+        Run the program as a command line application
+        The program reads the test configurations from the setting_file and 
+        saves them locally. the passwords will be stored in the credential store
+
+        The following is an example of a setting_file: 
+
+<Configuration>
+    <Instance Name=""defaultSql2005"">
+        <DataSource>SQL2005 servername</DataSource>
+        <BackupMethod>RemoteShare</BackupMethod>
+        <RemoteShare>SQL 2005 remote share</RemoteShare>
+    </Instance>
+    <Instance Name=""defaultSql2008"">
+       <DataSource>SQL2008 servername</DataSource>
+        <BackupMethod>RemoteShare</BackupMethod>
+        <RemoteShare>SQL 2008 remote share</RemoteShare>
+    </Instance>
+    <Instance Name=""defaultSql2011"">
+       <DataSource>SQL2011 servername</DataSource>
+        <BackupMethod>RemoteShare</BackupMethod>
+        <RemoteShare>SQL 20011 remote share</RemoteShare>
+    </Instance>
+    <Instance Name=""defaultSqlAzureV12"">
+        <DataSource>SQLAzure servername</DataSource>
+        <BackupMethod>RemoteShare</BackupMethod>
+        <RemoteShare>SQLAzure remote share</RemoteShare>
+        <UserId>user id</UserId>
+        <Password>password</Password>
+    </Instance>
+</Configuration>
+");
+        }
+
+        private static void SaveSettings(string settingFile)
+        {
+            
+            var xdoc = XDocument.Load(settingFile);
+            var settings =
+                from setting in xdoc.Descendants("Instance")
+                select new InstanceInfo(setting.Attribute("VersionKey").Value) // VersionKey is required
+                {
+                    ServerName = setting.Element("DataSource").Value, // DataSource is required
+                    ConnectTimeoutAsString = (string)setting.Element("ConnectTimeout"), //ConnectTimeout is optional
+                    User = (string)setting.Element("UserId"), // UserID is optional
+                    Password = (string)setting.Element("Password"),
+                    RemoteSharePath = (string)setting.Element("RemoteShare"), // RemoteShare is optional
+                    AuthenticationType = string.IsNullOrEmpty((string)setting.Element("UserId")) ? AuthenticationType.Integrated : AuthenticationType.SqlLogin
+                };
+
+            TestConfigPersistenceHelper.Write(settings);
+            
+        }
+    }
+}

test/Microsoft.SqlTools.ServiceLayer.TestEnvConfig/Properties/AssemblyInfo.cs

@@ -0,0 +1,19 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Microsoft.SqlTools.ServiceLayer.TestEnvConfig")]
+[assembly: AssemblyTrademark("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("6cf2e945-c7d1-44b5-9e28-addd09e3e983")]

test/Microsoft.SqlTools.ServiceLayer.TestEnvConfig/project.json

@@ -0,0 +1,25 @@
+{
+  "version": "1.0.0-*",
+  "buildOptions": {
+    "emitEntryPoint": true
+  },
+
+  "dependencies": {
+    "Microsoft.SqlTools.ServiceLayer.Test.Common": "1.0.0-*"
+  },
+  "testRunner": "xunit",
+  "frameworks": {
+    "netcoreapp1.0": {
+      "dependencies": {
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0"
+        }
+      },
+      "imports": [
+        "dotnet5.4",
+        "portable-net451+win8"
+      ]
+    }
+  }
+}