Index: Ringtoets/Migration/src/Riskeer.Migration.Core/ProjectDatabaseSourceFile.cs
===================================================================
diff -u
--- Ringtoets/Migration/src/Riskeer.Migration.Core/ProjectDatabaseSourceFile.cs	(revision 0)
+++ Ringtoets/Migration/src/Riskeer.Migration.Core/ProjectDatabaseSourceFile.cs	(revision f00628f6e8118bc33753ab916e0fdff864dfd894)
@@ -0,0 +1,77 @@
+// Copyright (C) Stichting Deltares 2018. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Data;
+using Core.Common.Base.IO;
+using Core.Common.Base.Storage;
+using Core.Common.IO.Readers;
+using Riskeer.Migration.Core.Properties;
+
+namespace Riskeer.Migration.Core
+{
+    /// <summary>
+    /// Class that provides methods for the migration database source file.
+    /// </summary>
+    public class ProjectDatabaseSourceFile : SqLiteDatabaseReaderBase
+    {
+        /// <summary>
+        /// Creates a new instance of the <see cref="ProjectDatabaseSourceFile"/> class.
+        /// </summary>
+        /// <param name="databaseFilePath">The path to the source file.</param>
+        /// <exception cref="CriticalFileReadException">Thrown when:
+        /// <list type="bullet">
+        /// <item>The <paramref name="databaseFilePath"/> contains invalid characters.</item>
+        /// <item>No file could be found at <paramref name="databaseFilePath"/>.</item>
+        /// <item>Unable to open database file.</item>
+        /// </list>
+        /// </exception>
+        public ProjectDatabaseSourceFile(string databaseFilePath) : base(databaseFilePath) {}
+
+        /// <summary>
+        /// Gets the version of the project source file at location <see cref="SqLiteDatabaseReaderBase.Path"/>.
+        /// </summary>
+        /// <returns>The version of the file.</returns>
+        /// <exception cref="StorageValidationException">Thrown when the file is not a valid 
+        /// project source file.</exception>
+        public string GetVersion()
+        {
+            string versionQuery = ProjectDatabaseQueryBuilder.GetVersionQuery();
+            try
+            {
+                using (IDataReader dataReader = CreateDataReader(versionQuery, null))
+                {
+                    if (!dataReader.Read())
+                    {
+                        return string.Empty;
+                    }
+
+                    return dataReader.Read<string>(VersionTableDefinitions.Version);
+                }
+            }
+            catch (SystemException exception)
+            {
+                throw new StorageValidationException(string.Format(Resources.RingtoetsDatabaseSourceFile_Invalid_Ringtoets_File_Path_0,
+                                                                   Path), exception);
+            }
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag f00628f6e8118bc33753ab916e0fdff864dfd894 refers to a dead (removed) revision in file `Ringtoets/Migration/src/Riskeer.Migration.Core/RingtoetsDatabaseSourceFile.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Migration/src/Riskeer.Migration.Core/RingtoetsVersionedFile.cs
===================================================================
diff -u -reb0ce91f3f0fb3c543ef2b1875e5ad9e6356fa08 -rf00628f6e8118bc33753ab916e0fdff864dfd894
--- Ringtoets/Migration/src/Riskeer.Migration.Core/RingtoetsVersionedFile.cs	(.../RingtoetsVersionedFile.cs)	(revision eb0ce91f3f0fb3c543ef2b1875e5ad9e6356fa08)
+++ Ringtoets/Migration/src/Riskeer.Migration.Core/RingtoetsVersionedFile.cs	(.../RingtoetsVersionedFile.cs)	(revision f00628f6e8118bc33753ab916e0fdff864dfd894)
@@ -52,7 +52,7 @@
 
         public string GetVersion()
         {
-            using (var sourceFile = new RingtoetsDatabaseSourceFile(Location))
+            using (var sourceFile = new ProjectDatabaseSourceFile(Location))
             {
                 return sourceFile.GetVersion();
             }
Index: Ringtoets/Migration/src/Riskeer.Migration.Core/Riskeer.Migration.Core.csproj
===================================================================
diff -u -r8f08a982730454fd4e91b5ef635fc553e6d63707 -rf00628f6e8118bc33753ab916e0fdff864dfd894
--- Ringtoets/Migration/src/Riskeer.Migration.Core/Riskeer.Migration.Core.csproj	(.../Riskeer.Migration.Core.csproj)	(revision 8f08a982730454fd4e91b5ef635fc553e6d63707)
+++ Ringtoets/Migration/src/Riskeer.Migration.Core/Riskeer.Migration.Core.csproj	(.../Riskeer.Migration.Core.csproj)	(revision f00628f6e8118bc33753ab916e0fdff864dfd894)
@@ -28,7 +28,7 @@
     <Compile Include="ProjectCreateScript.cs" />
     <Compile Include="ProjectDatabaseFile.cs" />
     <Compile Include="ProjectDatabaseQueryBuilder.cs" />
-    <Compile Include="RingtoetsDatabaseSourceFile.cs" />
+    <Compile Include="ProjectDatabaseSourceFile.cs" />
     <Compile Include="RingtoetsSqLiteDatabaseFileMigrator.cs" />
     <Compile Include="RingtoetsUpgradeScript.cs" />
     <Compile Include="RingtoetsVersionedFile.cs" />
Index: Ringtoets/Migration/test/Riskeer.Migration.Core.Test/ProjectDatabaseSourceFileTest.cs
===================================================================
diff -u
--- Ringtoets/Migration/test/Riskeer.Migration.Core.Test/ProjectDatabaseSourceFileTest.cs	(revision 0)
+++ Ringtoets/Migration/test/Riskeer.Migration.Core.Test/ProjectDatabaseSourceFileTest.cs	(revision f00628f6e8118bc33753ab916e0fdff864dfd894)
@@ -0,0 +1,124 @@
+// Copyright (C) Stichting Deltares 2018. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System.IO;
+using Core.Common.Base.IO;
+using Core.Common.Base.Storage;
+using Core.Common.IO.Readers;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+
+namespace Riskeer.Migration.Core.Test
+{
+    [TestFixture]
+    public class ProjectDatabaseSourceFileTest
+    {
+        private static readonly TestDataPath testPath = TestDataPath.Ringtoets.Migration.Core;
+
+        [Test]
+        public void Constructor_NonExistingPath_ThrowsCriticalFileReadException()
+        {
+            // Setup
+            string fileName = Path.GetRandomFileName();
+            string filePath = TestHelper.GetTestDataPath(testPath, fileName);
+
+            // Call
+            TestDelegate test = () =>
+            {
+                using (new ProjectDatabaseSourceFile(filePath)) {}
+            };
+
+            // Assert
+            var exception = Assert.Throws<CriticalFileReadException>(test);
+            Assert.AreEqual($"Fout bij het lezen van bestand '{filePath}': het bestand bestaat niet.",
+                            exception.Message);
+        }
+
+        [Test]
+        [TestCase(null)]
+        [TestCase("")]
+        public void Constructor_FileNullOrEmpty_ThrowsCriticalFileReadException(string filePath)
+        {
+            // Call
+            TestDelegate test = () =>
+            {
+                using (new ProjectDatabaseSourceFile(filePath)) {}
+            };
+
+            // Assert
+            var exception = Assert.Throws<CriticalFileReadException>(test);
+            Assert.AreEqual($"Fout bij het lezen van bestand '{filePath}': bestandspad mag niet leeg of ongedefinieerd zijn.",
+                            exception.Message);
+        }
+
+        [Test]
+        public void Constructor_ValidPath_ExpectedProperties()
+        {
+            // Setup
+            string fileName = Path.GetRandomFileName();
+            string filePath = TestHelper.GetTestDataPath(testPath, fileName);
+
+            // Call
+            using (new FileDisposeHelper(filePath))
+            using (var file = new ProjectDatabaseSourceFile(filePath))
+            {
+                // Assert
+                Assert.IsInstanceOf<SqLiteDatabaseReaderBase>(file);
+            }
+        }
+
+        [Test]
+        public void GetVersion_EmptyFile_ThrowsStorageValidationException()
+        {
+            // Setup
+            string fileName = Path.GetRandomFileName();
+            string filePath = TestHelper.GetTestDataPath(testPath, fileName);
+
+            using (new FileDisposeHelper(filePath))
+            using (var file = new ProjectDatabaseSourceFile(filePath))
+            {
+                // Call
+                TestDelegate call = () => file.GetVersion();
+
+                // Assert
+                string message = Assert.Throws<StorageValidationException>(call).Message;
+                Assert.AreEqual($"Het bestand '{filePath}' moet een geldig Ringtoets projectbestand zijn.",
+                                message);
+            }
+        }
+
+        [Test]
+        public void GetVersion_EmptyRingtoetsDatabaseFile_ReturnsEmpty()
+        {
+            // Setup
+            string filePath = TestHelper.GetTestDataPath(testPath, "EmptyDatabase.rtd");
+
+            using (var file = new ProjectDatabaseSourceFile(filePath))
+            {
+                // Call
+                string version = file.GetVersion();
+
+                // Assert
+                Assert.IsEmpty(version);
+            }
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag f00628f6e8118bc33753ab916e0fdff864dfd894 refers to a dead (removed) revision in file `Ringtoets/Migration/test/Riskeer.Migration.Core.Test/RingtoetsDatabaseSourceFileTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Migration/test/Riskeer.Migration.Core.Test/Riskeer.Migration.Core.Test.csproj
===================================================================
diff -u -r8f08a982730454fd4e91b5ef635fc553e6d63707 -rf00628f6e8118bc33753ab916e0fdff864dfd894
--- Ringtoets/Migration/test/Riskeer.Migration.Core.Test/Riskeer.Migration.Core.Test.csproj	(.../Riskeer.Migration.Core.Test.csproj)	(revision 8f08a982730454fd4e91b5ef635fc553e6d63707)
+++ Ringtoets/Migration/test/Riskeer.Migration.Core.Test/Riskeer.Migration.Core.Test.csproj	(.../Riskeer.Migration.Core.Test.csproj)	(revision f00628f6e8118bc33753ab916e0fdff864dfd894)
@@ -25,7 +25,7 @@
     <Compile Include="ProjectCreateScriptTest.cs" />
     <Compile Include="ProjectDatabaseFileTest.cs" />
     <Compile Include="ProjectDatabaseQueryBuilderTest.cs" />
-    <Compile Include="RingtoetsDatabaseSourceFileTest.cs" />
+    <Compile Include="ProjectDatabaseSourceFileTest.cs" />
     <Compile Include="RingtoetsSqLiteDatabaseFileMigratorTest.cs" />
     <Compile Include="RingtoetsUpgradeScriptTest.cs" />
     <Compile Include="RingtoetsVersionedFileTest.cs" />