Index: Application/Ringtoets/src/Application.Ringtoets.Storage/StorageSqLite.cs
===================================================================
diff -u -r0155f2f233aefc7951782b302e1398e02c00f298 -r3a8bff057967bdb42389382472f6ce55789a0ced
--- Application/Ringtoets/src/Application.Ringtoets.Storage/StorageSqLite.cs	(.../StorageSqLite.cs)	(revision 0155f2f233aefc7951782b302e1398e02c00f298)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/StorageSqLite.cs	(.../StorageSqLite.cs)	(revision 3a8bff057967bdb42389382472f6ce55789a0ced)
@@ -1,36 +1,119 @@
-using Application.Ringtoets.Storage.Converter;
+using System;
+using System.Data.Entity;
+using System.Data.Entity.Core;
+using System.IO;
+using Application.Ringtoets.Storage.Converter;
+using Application.Ringtoets.Storage.Properties;
 using Core.Common.Base.Data;
 
 namespace Application.Ringtoets.Storage
 {
+    /// <summary>
+    /// This class interacts with an SQLite database file.
+    /// </summary>
     public class StorageSqLite
     {
+        private readonly string connectionString;
+
         /// <summary>
+        /// Creates a new instance of <see cref="StorageSqLite"/>.
+        /// </summary>
+        /// <param name="databaseFilePath">Path to database file.</param>
+        public StorageSqLite(string databaseFilePath)
+        {
+            if (!File.Exists(databaseFilePath))
+            {
+                var message = Resources.Error_File_does_not_exist;
+                throw new FileNotFoundException(message);
+            }
+            connectionString = SqLiteStorageConnection.BuildConnectionString(databaseFilePath);
+        }
+
+        /// <summary>
+        /// Tests if a connection can be made.
+        /// </summary>
+        /// <returns>Returns <c>true</c> if a valid connection can be made, <c>false</c> otherwise.</returns>
+        public bool TestConnection()
+        {
+            if (string.IsNullOrWhiteSpace(connectionString))
+            {
+                return false;
+            }
+
+            using (var dbContext = new RingtoetsEntities(connectionString))
+            {
+                try
+                {
+                    dbContext.Database.Initialize(true);
+                    dbContext.Database.Connection.Open();
+                    dbContext.ProjectEntities.Load();
+                    return true;
+                }
+                catch (InvalidOperationException)
+                {
+                    return false;
+                }
+                catch (EntityCommandExecutionException)
+                {
+                    return false;
+                }
+            }
+        }
+
+        /// <summary>
         /// Saves the <paramref name="project"/> at the default location.
         /// </summary>
         /// <param name="project"><see cref="Project"/> to save.</param>
         /// <returns>Returns the number of changes, see <see cref="IRingtoetsDbContext.SaveChanges()"/>.</returns>
         public int SaveProject(Project project)
         {
-            using (var dbContext = new RingtoetsEntities())
+            using (var dbContext = new RingtoetsEntities(connectionString))
             {
-                ProjectEntityConverter.UpdateProjectEntity(dbContext.ProjectEntities, project);
-
-                return dbContext.SaveChanges();
+                var changes = 0;
+                try
+                {
+                    ProjectEntityConverter.UpdateProjectEntity(dbContext.ProjectEntities, project);
+                    changes = dbContext.SaveChanges();
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e.InnerException);
+                }
+                return changes;
             }
         }
 
         /// <summary>
         /// Attempts to load the <see cref="Project"/> from the databaseconnection <see cref="RingtoetsEntities"/>.
         /// </summary>
-        /// <param name="projectId"></param>
         /// <returns>Returns a new instance of <see cref="Project"/> with the data from the database or <c>null</c> when not found.</returns>
-        public Project LoadProject(long projectId)
+        public Project LoadProject()
         {
-            using (var dbContext = new RingtoetsEntities())
+            using (var dbContext = new RingtoetsEntities(connectionString))
             {
-                return ProjectEntityConverter.GetProject(dbContext.ProjectEntities, projectId);
+                try
+                {
+                    return ProjectEntityConverter.GetProject(dbContext.ProjectEntities);
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e.InnerException);
+                }
             }
+            return null;
         }
     }
+
+    /// <summary>
+    /// Partial implementation of <see cref="RingtoetsEntities"/> that support a connection string and dos not read the connection string from the configuration.
+    /// </summary>
+    public partial class RingtoetsEntities
+    {
+        /// <summary>
+        /// A new instance of <see cref="RingtoetsEntities"/>.
+        /// </summary>
+        /// <param name="connString">A connection string.</param>
+        public RingtoetsEntities(string connString)
+            : base(connString) {}
+    }
 }
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