1 files changed, 24 insertions, 0 deletions
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index e269ff26a04..1d469fc6a66 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -411,4 +411,28 @@ describe MergeRequest, models: true do
       end
     end
   end
+
+  describe '#participants' do
+    let(:project) { create(:project, :public) }
+
+    let(:mr) do
+      create(:merge_request, source_project: project, target_project: project)
+    end
+
+    let!(:note1) do
+      create(:note_on_merge_request, noteable: mr, project: project, note: 'a')
+    end
+
+    let!(:note2) do
+      create(:note_on_merge_request, noteable: mr, project: project, note: 'b')
+    end
+
+    it 'includes the merge request author as the first participant' do
+      expect(mr.participants[0]).to eq(mr.author)
+    end
+
+    it 'includes the authors of the notes' do
+      expect(mr.participants).to include(note1.author, note2.author)
+    end
+  end
 end