Added sql exception to the test

Author: EricRohlfs

ConsoleApplication3/GetXmlDataTest.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Data;
+using System.Data.Common;
+using System.Data.SqlClient;
 using System.Data.SqlTypes;
 using NUnit.Framework;
 using Moq;
@@ -65,6 +67,16 @@ public void ReaderReturnsEmptyString()
          RepoResult = Repo.LoadPerson(SqlConn.Object, SqlCommand.Object, mapper.MapFromRawXmlString);
      }
 
+
+     [Test]
+     [ExpectedException(typeof(SqlException))]
+     public void Cannot_ConnectToDataBase_ThrowsSqlException()
+     {
+         var mapper = new PersonMapper();
+         SqlConn.Setup(x => x.Open()).Callback(ThrowSqlException);
+         RepoResult = Repo.LoadPerson(SqlConn.Object, SqlCommand.Object, mapper.MapFromRawXmlString);
+     }
+
      [Test]
      public void DataReader_Called_Read_And_GetValue0_JustOneTime()
      {
@@ -120,7 +132,18 @@ public IDataReader ThrowError()
      }
 
 
-     
+     #region throwing sql exceptions which is a sealed class.
+     public void ThrowSqlException()
+     {
+         throw Instantiate<SqlException>();
+     }
+
+     public static T Instantiate<T>() where T : class
+     {
+         return System.Runtime.Serialization.FormatterServices.GetUninitializedObject(typeof(T)) as T;
+     }
+     #endregion 
+
 
      public string GoodPersonRawXml()
      {

ConsoleApplication3/Program.cs

@@ -5,7 +5,9 @@
 using System.Data.SqlClient;
 using System.Diagnostics.Contracts;
 using System.IO;
+using System.Reflection;
 using System.Xml.Serialization;
+using log4net;
 
 
 namespace ConsoleApplication3
@@ -30,18 +32,22 @@ static void Main(string[] args)
     /// <typeparam name="TOutEntity"></typeparam>
     public class CallStoredProcWithXmlOut<TOutEntity>
     {
+       
+
         public TOutEntity Execute(IDbConnection connection, IDbCommand sqlCommand, Func<string, TOutEntity> mapper)
         {
-            string rawXml;
+            string rawXml = null;
+            
             using (connection)
             {
                 connection.Open();
                 sqlCommand.Connection = connection;
                 var reader = sqlCommand.ExecuteReader();
-                reader.Read();//just need to advance the reader 
-                rawXml = (string)reader.GetValue(0);
-                connection.Close();//IDisposable should catch this in the using, but here for good measure.
+                reader.Read(); //just need to advance the reader 
+                rawXml = (string) reader.GetValue(0);
+                connection.Close(); //IDisposable should catch this in the using, but here for good measure.
             }
+            
             var mapperResult = mapper.Invoke(rawXml);
             return mapperResult;
         }

ConsoleApplication3/SampleSqlUnderUnitTest.csproj

@@ -66,6 +66,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="log4net">
+      <HintPath>..\packages\log4net.2.0.0\lib\net40-full\log4net.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.QualityTools.Testing.Fakes, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Moq">
       <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>

ConsoleApplication3/packages.config

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="log4net" version="2.0.0" />
   <package id="Moq" version="4.0.10827" />
   <package id="NUnit" version="2.6.0.12054" />
 </packages>