Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Ringtoets.Piping.IO.Test.csproj
===================================================================
diff -u -rd8d7d3d24763ec06d36322d9a57996a83a64653b -r9a9a99ad27ee6fdcd22f0df408b868816502647e
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Ringtoets.Piping.IO.Test.csproj	(.../Ringtoets.Piping.IO.Test.csproj)	(revision d8d7d3d24763ec06d36322d9a57996a83a64653b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Ringtoets.Piping.IO.Test.csproj	(.../Ringtoets.Piping.IO.Test.csproj)	(revision 9a9a99ad27ee6fdcd22f0df408b868816502647e)
@@ -79,6 +79,7 @@
     <Compile Include="Readers\ReadPipingCalculationGroupTest.cs" />
     <Compile Include="Readers\ReadPipingCalculationTest.cs" />
     <Compile Include="SoilProfile\LayerPropertiesTest.cs" />
+    <Compile Include="SoilProfile\SoilDatabaseConstraintsReaderTest.cs" />
     <Compile Include="SoilProfile\SoilLayerColorConversionHelperTest.cs" />
     <Compile Include="SoilProfile\StochasticSoilModelReaderTest.cs" />
     <Compile Include="SoilProfile\StochasticSoilProfileReaderTest.cs" />
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilDatabaseConstraintsReaderTest.cs
===================================================================
diff -u
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilDatabaseConstraintsReaderTest.cs	(revision 0)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilDatabaseConstraintsReaderTest.cs	(revision 9a9a99ad27ee6fdcd22f0df408b868816502647e)
@@ -0,0 +1,92 @@
+// Copyright (C) Stichting Deltares 2016. 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.IO.Exceptions;
+using Core.Common.TestUtil;
+using Core.Common.Utils.Builders;
+using NUnit.Framework;
+using Ringtoets.Piping.IO.SoilProfile;
+using UtilsResources = Core.Common.Utils.Properties.Resources;
+
+namespace Ringtoets.Piping.IO.Test.SoilProfile
+{
+    [TestFixture]
+    public class SoilDatabaseConstraintsReaderTest
+    {
+        private readonly string testDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Piping.IO, "SoilDatabaseConstraintsReader");
+
+        [Test]
+        public void Constructor_NonExistingPath_ThrowsCriticalFileReadException()
+        {
+            // Setup
+            var testFile = Path.Combine(testDataPath, "none.soil");
+
+            // Call
+            TestDelegate test = () => { using (new SoilDatabaseConstraintsReader(testFile)) { } };
+
+            // Assert
+            CriticalFileReadException exception = Assert.Throws<CriticalFileReadException>(test);
+            string expectedMessage = new FileReaderErrorMessageBuilder(testFile).Build(UtilsResources.Error_File_does_not_exist);
+            Assert.AreEqual(expectedMessage, exception.Message);
+        }
+
+        [Test]
+        [TestCase(null)]
+        [TestCase("")]
+        public void Constructor_FileNullOrEmpty_ThrowsCriticalFileReadException(string fileName)
+        {
+            // Setup
+            var expectedMessage = $"Fout bij het lezen van bestand '{fileName}': bestandspad mag niet leeg of ongedefinieerd zijn.";
+            // Call
+            TestDelegate test = () => { using (new SoilDatabaseConstraintsReader(fileName)) { } };
+
+            // Assert
+            CriticalFileReadException exception = Assert.Throws<CriticalFileReadException>(test);
+            Assert.AreEqual(expectedMessage, exception.Message);
+        }
+
+        [Test]
+        [TestCase("nonUniqueSoilModelNames.soil")]
+        public void Constructor_NonUniqueSoilModelNames_ThrowsCriticalFileReadException(string dbName)
+        {
+            // Setup
+            string dbFile = Path.Combine(testDataPath, dbName);
+            string expectedMessage = new FileReaderErrorMessageBuilder(dbFile).
+                Build("Namen van ondergrondmodellen zijn niet uniek.");
+
+            // Precondition
+            Assert.IsTrue(TestHelper.CanOpenFileForWrite(dbFile), "Precondition: file can be opened for edits.");
+
+            // Call
+            using (var versionReader = new SoilDatabaseConstraintsReader(dbFile))
+            {
+                // Call
+                TestDelegate test = () => versionReader.VerifyConstraints();
+
+                // Assert
+                CriticalFileReadException exception = Assert.Throws<CriticalFileReadException>(test);
+                Assert.AreEqual(expectedMessage, exception.Message);
+            }
+            Assert.IsTrue(TestHelper.CanOpenFileForWrite(dbFile));
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs
===================================================================
diff -u -re1a8e98d60853beefbdb8c84e70f14165680ad7b -r9a9a99ad27ee6fdcd22f0df408b868816502647e
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs	(.../StochasticSoilModelReaderTest.cs)	(revision e1a8e98d60853beefbdb8c84e70f14165680ad7b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/StochasticSoilModelReaderTest.cs	(.../StochasticSoilModelReaderTest.cs)	(revision 9a9a99ad27ee6fdcd22f0df408b868816502647e)
@@ -93,11 +93,10 @@
         }
 
         [Test]
-        [TestCase("withoutSoilModelTables.soil")]
-        public void Constructor_InvalidSchemaThatPassesValidation_ThrowsCriticalFileReadException(string dbName)
+        public void Constructor_InvalidSchemaThatPassesValidation_ThrowsCriticalFileReadException()
         {
             // Setup
-            string dbFile = Path.Combine(testDataPath, dbName);
+            string dbFile = Path.Combine(testDataPath, "withoutSoilModelTables.soil");
             string expectedMessage = new FileReaderErrorMessageBuilder(dbFile).
                 Build("Kan geen ondergrondmodellen lezen. Mogelijk bestaat de 'Segment' tabel niet.");
 
@@ -114,11 +113,11 @@
         }
 
         [Test]
-        [TestCase("nonUniqueSoilModelNames.soil")]
-        public void Constructor_NonUniqueSoilModelNames_ThrowsCriticalFileReadException(string dbName)
+        public void Constructor_NonUniqueSoilModelNames_ThrowsCriticalFileReadException()
         {
             // Setup
-            string dbFile = Path.Combine(testDataPath, dbName);
+            string path = Path.Combine(TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Piping.IO.Path, "SoilDatabaseConstraintsReader"));
+            string dbFile = Path.Combine(path, "nonUniqueSoilModelNames.soil");
             string expectedMessage = new FileReaderErrorMessageBuilder(dbFile).
                 Build("Namen van ondergrondmodellen zijn niet uniek.");
 
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/SoilDatabaseConstraintsReader/nonUniqueSoilModelNames.soil
===================================================================
diff -u
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Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/StochasticSoilModelDatabaseReader/nonUniqueSoilModelNames.soil
===================================================================
diff -u -re1a8e98d60853beefbdb8c84e70f14165680ad7b -r9a9a99ad27ee6fdcd22f0df408b868816502647e
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