aidanmorgan · October 20, 2012 10:08 · Oct 20, 2012
diff --git a/gistfile1.cs b/gistfile1.cs
@@ -0,0 +1,92 @@
+    public class IntegrationTestUnitOfWorkFactory : IUnitOfWorkFactory
+    {
+        /// <summary>
+        /// This <see cref="Guid"/> is used to uniquely identify this factory instance when interacting with the LocalDB instance.
+        /// </summary>
+        private readonly Guid _instanceGuid = Guid.NewGuid();
+
+        /// <summary>
+        /// The <see cref="TestContext"/> instance that describes the environment in which the tests are currently running.
+        /// This is used to get the deployment directory for where the LocalDB file should be stored.
+        /// </summary>
+        private readonly TestContext _testContext;
+
+        public IntegrationTestUnitOfWorkFactory(TestContext testContextInstance)
+        {
+            _testContext = testContextInstance;
+        }
+
+        /// <summary>
+        /// Returns the name of the database inside LocalDB.
+        /// </summary>
+        private string DatabaseName
+        {
+            get { return _testContext.TestName + _instanceGuid; }
+        }
+
+        /// <summary>
+        /// Returns the filename to use for the LocalDB file.
+        /// </summary>
+        private string DatabaseFile
+        {
+            get { return DatabaseName + ".sdf"; }
+        }
+
+        /// <summary>
+        /// Returns the directory in which the LocalDB database should be stored.
+        /// </summary>
+        private string DatabaseDirectory
+        {
+            get { return _testContext.TestDeploymentDir; }
+        }
+
+        /// <summary>
+        /// Returns the fill path to the LocalDB file on the filesystem.
+        /// </summary>
+        private string FullDatabasePath
+        {
+            get
+            {
+                return string.Format(@"{0}/{1}", DatabaseDirectory, DatabaseFile);
+            }
+        }
+
+        /// <summary>
+        /// Returns the connection string to use to connect to the database.
+        /// </summary>
+        private string ConnectionString
+        {
+            get
+            {
+                return
+                    string.Format(
+                        @"Data Source=(LocalDB)\v11.0;Initial Catalog={0};AttachDbFilename=""{1}"";Integrated Security=True",
+                        DatabaseName, FullDatabasePath);
+            }
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="IUnitOfWork"/> instance, bound to the <see cref="ProjectDbContext"/>.
+        /// </summary>
+        /// <returns>a new <see cref="IUnitOfWork"/> instance, bound to the <see cref="ProjectDbContext"/>.</returns>
+        public IUnitOfWork Create()
+        {
+            ProjectDbContext context = new ProjectDbContext(ConnectionString);
+
+            if (!context.Database.Exists())
+            {
+                context.Database.Create();
+            }
+
+            return new Ef5UnitOfWork(context);
+        }
+
+        /// <summary>
+        /// Deletes the database that was used for this <see cref="IntegrationTestUnitOfWorkFactory"/>.
+        /// </summary>
+        public void Cleanup()
+        {
+            ProjectDbContext context = new ProjectDbContext(ConnectionString);
+            context.Database.Delete();
+        }
+    }