1 files changed, 26 insertions, 0 deletions
diff --git a/spec/models/metrics/dashboard/annotation_spec.rb b/spec/models/metrics/dashboard/annotation_spec.rb
index ed3bef37a7c..f7fd7ded7e6 100644
--- a/spec/models/metrics/dashboard/annotation_spec.rb
+++ b/spec/models/metrics/dashboard/annotation_spec.rb
@@ -50,4 +50,30 @@ describe Metrics::Dashboard::Annotation do
       end
     end
   end
+
+  describe 'scopes' do
+    let_it_be(:nine_minutes_old_annotation) { create(:metrics_dashboard_annotation, starting_at: 9.minutes.ago) }
+    let_it_be(:fifteen_minutes_old_annotation) { create(:metrics_dashboard_annotation, starting_at: 15.minutes.ago) }
+    let_it_be(:just_created_annotation) { create(:metrics_dashboard_annotation) }
+
+    describe '#after' do
+      it 'returns only younger annotations' do
+        expect(described_class.after(12.minutes.ago)).to match_array [nine_minutes_old_annotation, just_created_annotation]
+      end
+    end
+
+    describe '#before' do
+      it 'returns only older annotations' do
+        expect(described_class.before(5.minutes.ago)).to match_array [fifteen_minutes_old_annotation, nine_minutes_old_annotation]
+      end
+    end
+
+    describe '#for_dashboard' do
+      let!(:other_dashboard_annotation) { create(:metrics_dashboard_annotation, dashboard_path: 'other_dashboard.yml') }
+
+      it 'returns annotations only for appointed dashboard' do
+        expect(described_class.for_dashboard('other_dashboard.yml')).to match_array [other_dashboard_annotation]
+      end
+    end
+  end
 end