3 files changed, 32 insertions, 0 deletions
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index 6633ac10236..1954d8739f6 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -132,6 +132,17 @@ describe Issues::UpdateService, services: true do
       end
     end
 
+    context 'when description changed' do
+      it 'creates system note about description change' do
+        update_issue(description: 'Changed description')
+
+        note = find_note('changed the description')
+
+        expect(note).not_to be_nil
+        expect(note.note).to eq('changed the description')
+      end
+    end
+
     context 'when issue turns confidential' do
       let(:opts) do
         {
diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
index 694ec3a579f..31487c0f794 100644
--- a/spec/services/merge_requests/update_service_spec.rb
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -102,6 +102,13 @@ describe MergeRequests::UpdateService, services: true do
         expect(note.note).to eq 'changed title from **{-Old-} title** to **{+New+} title**'
       end
 
+      it 'creates system note about description change' do
+        note = find_note('changed the description')
+
+        expect(note).not_to be_nil
+        expect(note.note).to eq('changed the description')
+      end
+
       it 'creates system note about branch change' do
         note = find_note('changed target')
 
diff --git a/spec/services/system_note_service_spec.rb b/spec/services/system_note_service_spec.rb
index 68816bf36b8..516566eddef 100644
--- a/spec/services/system_note_service_spec.rb
+++ b/spec/services/system_note_service_spec.rb
@@ -339,6 +339,20 @@ describe SystemNoteService, services: true do
     end
   end
 
+  describe '.change_description' do
+    subject { described_class.change_description(noteable, project, author) }
+
+    context 'when noteable responds to `description`' do
+      it_behaves_like 'a system note' do
+        let(:action) { 'description' }
+      end
+
+      it 'sets the note text' do
+        expect(subject.note).to eq('changed the description')
+      end
+    end
+  end
+
   describe '.change_issue_confidentiality' do
     subject { described_class.change_issue_confidentiality(noteable, project, author) }