1 files changed, 53 insertions, 0 deletions
diff --git a/spec/services/alert_management/alerts/update_service_spec.rb b/spec/services/alert_management/alerts/update_service_spec.rb
index 4b47efca9ed..35697ac79a0 100644
--- a/spec/services/alert_management/alerts/update_service_spec.rb
+++ b/spec/services/alert_management/alerts/update_service_spec.rb
@@ -235,6 +235,59 @@ RSpec.describe AlertManagement::Alerts::UpdateService do
 
         it_behaves_like 'adds a system note'
       end
+
+      context 'with an associated issue' do
+        let_it_be(:issue, reload: true) { create(:issue, project: project) }
+
+        before do
+          alert.update!(issue: issue)
+        end
+
+        shared_examples 'does not sync with the incident status' do
+          specify do
+            expect(::Issues::UpdateService).not_to receive(:new)
+            expect { response }.to change { alert.acknowledged? }.to(true)
+          end
+        end
+
+        it_behaves_like 'does not sync with the incident status'
+
+        context 'when the issue is an incident' do
+          before do
+            issue.update!(issue_type: Issue.issue_types[:incident])
+          end
+
+          it_behaves_like 'does not sync with the incident status'
+
+          context 'when the incident has an escalation status' do
+            let_it_be(:escalation_status, reload: true) { create(:incident_management_issuable_escalation_status, issue: issue) }
+
+            it 'updates the incident escalation status with the new alert status' do
+              expect(::Issues::UpdateService).to receive(:new).once.and_call_original
+              expect(described_class).to receive(:new).once.and_call_original
+
+              expect { response }.to change { escalation_status.reload.acknowledged? }.to(true)
+                                 .and change { alert.reload.acknowledged? }.to(true)
+            end
+
+            context 'when the statuses match' do
+              before do
+                escalation_status.update!(status_event: :acknowledge)
+              end
+
+              it_behaves_like 'does not sync with the incident status'
+            end
+
+            context 'when feature flag is disabled' do
+              before do
+                stub_feature_flags(incident_escalations: false)
+              end
+
+              it_behaves_like 'does not sync with the incident status'
+            end
+          end
+        end
+      end
     end
   end
 end