This Can_Find_Targetted_Migrations test needed a valid database to pass. This update ensures that the database is created with the old version 4.8 db schema.

src/Umbraco.Tests/Migrations/TargetVersionSixthMigrationsTest.cs

@@ -1,7 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Data.SqlServerCe;
 using System.Linq;
+using System.Text.RegularExpressions;
 using NUnit.Framework;
+using SQLCE4Umbraco;
+using Umbraco.Core;
 using Umbraco.Core.ObjectResolution;
 using Umbraco.Core.Persistence;
 using Umbraco.Core.Persistence.Migrations;
@@ -13,13 +17,20 @@ using GlobalSettings = Umbraco.Core.Configuration.GlobalSettings;
 namespace Umbraco.Tests.Migrations
 {
     [TestFixture]
-    public class TargetVersionSixthMigrationsTest
+    public class TargetVersionSixthMigrationsTest : BaseDatabaseFactoryTest
     {
+        /// <summary>Regular expression that finds multiline block comments.</summary>
+        private static readonly Regex FindComments = new Regex(@"\/\*.*?\*\/", RegexOptions.Singleline | RegexOptions.Compiled);
+
         [SetUp]
-        public void Initialize()
+        public override void Initialize()
         {
             TestHelper.SetupLog4NetForTests();
+            TestHelper.InitializeContentDirectories();
 
+            Path = TestHelper.CurrentAssemblyDirectory;
+            AppDomain.CurrentDomain.SetData("DataDirectory", Path);
+           
 			MigrationResolver.Current = new MigrationResolver(() => new List<Type>
 				{
 					typeof (Core.Persistence.Migrations.Upgrades.TargetVersionFourNineZero.RemoveUmbracoAppConstraints),
@@ -36,22 +47,39 @@ namespace Umbraco.Tests.Migrations
 					typeof (UpdateCmsPropertyTypeGroupTable)
 				}.OrderByDescending(x => x.Name));
 
-			Resolution.Freeze();
+            Resolution.Freeze();
 
             SqlSyntaxContext.SqlSyntaxProvider = SqlCeSyntax.Provider;
+
+            var engine = new SqlCeEngine("Datasource=|DataDirectory|UmbracoPetaPocoTests.sdf;Flush Interval=1;");
+            engine.CreateDatabase();   
         }
-		
+
         [Test]
         public void Can_Find_Targetted_Migrations()
         {
+            var db = GetConfiguredDatabase();
+
+            //Create db schema and data from old Total.sql file for Sql Ce
+            string statements = GetDatabaseSpecificSqlScript();
+            // replace block comments by whitespace
+            statements = FindComments.Replace(statements, " ");
+            // execute all non-empty statements
+            foreach (string statement in statements.Split(";".ToCharArray()))
+            {
+                string rawStatement = statement.Replace("GO", "").Trim();
+                if (rawStatement.Length > 0)
+                    db.Execute(new Sql(rawStatement));
+            }
+
             var configuredVersion = new Version("4.8.0");
             var targetVersion = new Version("6.0.0");
-	        var foundMigrations = MigrationResolver.Current.Migrations;
+            var foundMigrations = MigrationResolver.Current.Migrations;
 
             var migrationRunner = new MigrationRunner(configuredVersion, targetVersion, GlobalSettings.UmbracoMigrationName);
             var migrations = migrationRunner.OrderedUpgradeMigrations(foundMigrations).ToList();
 
-            var context = new MigrationContext(DatabaseProviders.SqlServerCE, null);
+            var context = new MigrationContext(DatabaseProviders.SqlServerCE, db);
             foreach (MigrationBase migration in migrations)
             {
                 migration.GetUpExpressions(context);
@@ -66,9 +94,37 @@ namespace Umbraco.Tests.Migrations
         }
 
         [TearDown]
-        public void TearDown()
+        public override void TearDown()
         {
+            base.TearDown();
+
+            PluginManager.Current = null;
+            SqlSyntaxContext.SqlSyntaxProvider = null;
             MigrationResolver.Reset();
+
+            TestHelper.CleanContentDirectories();
+
+            Path = TestHelper.CurrentAssemblyDirectory;
+            AppDomain.CurrentDomain.SetData("DataDirectory", null);
+
+            SqlCeContextGuardian.CloseBackgroundConnection();
         }
+
+        public string Path { get; set; }
+
+        public UmbracoDatabase GetConfiguredDatabase()
+        {
+            return new UmbracoDatabase("Datasource=|DataDirectory|UmbracoPetaPocoTests.sdf;Flush Interval=1;", "System.Data.SqlServerCe.4.0");
+        }
+
+        public DatabaseProviders GetDatabaseProvider()
+        {
+            return DatabaseProviders.SqlServerCE;
+        }
+
+        public string GetDatabaseSpecificSqlScript()
+        {
+            return SqlScripts.SqlResources.SqlCeTotal_480;
+        } 
     }
 }