Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/Merge/AssessmentSectionProviderActivity.cs
===================================================================
diff -u -r243afdde7d5f96f47c8803ddaec2ec5ddc297669 -rc7a1a30a7fafe8671a06b10bf2a3d56cf9f510a4
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/Merge/AssessmentSectionProviderActivity.cs	(.../AssessmentSectionProviderActivity.cs)	(revision 243afdde7d5f96f47c8803ddaec2ec5ddc297669)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/Merge/AssessmentSectionProviderActivity.cs	(.../AssessmentSectionProviderActivity.cs)	(revision c7a1a30a7fafe8671a06b10bf2a3d56cf9f510a4)
@@ -7,26 +7,35 @@
     {
         private readonly AssessmentSectionsOwner owner;
         private readonly IAssessmentSectionProvider assessmentSectionProvider;
+        private readonly string filePath;
 
-        public AssessmentSectionProviderActivity(AssessmentSectionsOwner owner, IAssessmentSectionProvider assessmentSectionProvider)
+        private bool canceled;
+
+        public AssessmentSectionProviderActivity(AssessmentSectionsOwner owner,
+                                                 IAssessmentSectionProvider assessmentSectionProvider,
+                                                 string filePath)
         {
             this.owner = owner;
             this.assessmentSectionProvider = assessmentSectionProvider;
+            this.filePath = filePath;
         }
 
         protected override void OnRun()
         {
-            throw new System.NotImplementedException();
+            owner.AssessmentSections = assessmentSectionProvider.GetAssessmentSections(filePath);
         }
 
         protected override void OnCancel()
         {
-            throw new System.NotImplementedException();
+            canceled = true;
         }
 
         protected override void OnFinish()
         {
-            throw new System.NotImplementedException();
+            if (canceled)
+            {
+                owner.AssessmentSections = null;
+            }
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Merge/AssessmentSectionProviderActivityTest.cs
===================================================================
diff -u -r243afdde7d5f96f47c8803ddaec2ec5ddc297669 -rc7a1a30a7fafe8671a06b10bf2a3d56cf9f510a4
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Merge/AssessmentSectionProviderActivityTest.cs	(.../AssessmentSectionProviderActivityTest.cs)	(revision 243afdde7d5f96f47c8803ddaec2ec5ddc297669)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Merge/AssessmentSectionProviderActivityTest.cs	(.../AssessmentSectionProviderActivityTest.cs)	(revision c7a1a30a7fafe8671a06b10bf2a3d56cf9f510a4)
@@ -1,7 +1,11 @@
-using Core.Common.Base.Service;
+using System.Collections.Generic;
+using System.Linq;
+using Core.Common.Base.Service;
 using NUnit.Framework;
 using Rhino.Mocks;
+using Ringtoets.Integration.Data;
 using Ringtoets.Integration.Data.Merge;
+using Ringtoets.Integration.Service.Exceptions;
 using Ringtoets.Integration.Service.Merge;
 
 namespace Ringtoets.Integration.Service.Test.Merge
@@ -20,10 +24,82 @@
             var owner = new AssessmentSectionsOwner();
 
             // Call
-            var activity = new AssessmentSectionProviderActivity(owner, provider);
+            var activity = new AssessmentSectionProviderActivity(owner, provider, string.Empty);
 
             // Assert
             Assert.IsInstanceOf<Activity>(activity);
+            Assert.AreEqual(ActivityState.None, activity.State);
         }
+
+        [Test]
+        public void Run_ProviderReturnsAssessmentSections_SetsActivityStateToExecutedAndSetsAssessmentSections()
+        {
+            // Setup
+            const string filePath = "Path to file";
+            IEnumerable<AssessmentSection> assessmentSections = Enumerable.Empty<AssessmentSection>();
+
+            var mocks = new MockRepository();
+            var provider = mocks.Stub<IAssessmentSectionProvider>();
+            provider.Expect(p => p.GetAssessmentSections(filePath)).Return(assessmentSections);
+            mocks.ReplayAll();
+
+            var owner = new AssessmentSectionsOwner();
+            var activity = new AssessmentSectionProviderActivity(owner, provider, filePath);
+
+            // Call
+            activity.Run();
+
+            // Assert
+            Assert.AreEqual(ActivityState.Executed, activity.State);
+            Assert.AreSame(assessmentSections, owner.AssessmentSections);
+        }
+
+        [Test]
+        public void Run_ProviderThrowsException_SetsActivityStateToFailedAndDoesNotSetAssessmentSections()
+        {
+            // Setup
+            const string filePath = "Path to file";
+
+            var mocks = new MockRepository();
+            var provider = mocks.Stub<IAssessmentSectionProvider>();
+            provider.Expect(p => p.GetAssessmentSections(filePath)).Throw(new AssessmentSectionProviderException());
+            mocks.ReplayAll();
+
+            var owner = new AssessmentSectionsOwner();
+            var activity = new AssessmentSectionProviderActivity(owner, provider, filePath);
+
+            // Call
+            activity.Run();
+
+            // Assert
+            Assert.AreEqual(ActivityState.Failed, activity.State);
+            Assert.IsNull(owner.AssessmentSections);
+        }
+
+        [Test]
+        public void GivenCancelledActivity_WhenFinishingActivity_ThenActivityStateSetToCancelledAndDoesNotSetAssessmentSections()
+        {
+            // Given
+            const string filePath = "Path to file";
+            IEnumerable<AssessmentSection> assessmentSections = Enumerable.Empty<AssessmentSection>();
+
+            var mocks = new MockRepository();
+            var provider = mocks.Stub<IAssessmentSectionProvider>();
+            provider.Expect(p => p.GetAssessmentSections(filePath)).Return(assessmentSections);
+            mocks.ReplayAll();
+
+            var owner = new AssessmentSectionsOwner();
+            var activity = new AssessmentSectionProviderActivity(owner, provider, filePath);
+
+            activity.Run();
+            activity.Cancel();
+
+            // When
+            activity.Finish();
+
+            // Assert
+            Assert.AreEqual(ActivityState.Canceled, activity.State);
+            Assert.IsNull(owner.AssessmentSections);
+        }
     }
 }
\ No newline at end of file