Add latest changes from gitlab-org/gitlab@master

1 files changed, 14 insertions, 0 deletions

diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
index 5d76fb051f2..473b7fa8f17 100644
--- a/spec/services/merge_requests/update_service_spec.rb
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -711,6 +711,20 @@ RSpec.describe MergeRequests::UpdateService, :mailer do
           expect(user2.review_requested_open_merge_requests_count).to eq(1)
           expect(user3.review_requested_open_merge_requests_count).to eq(0)
         end
+
+        it 'triggers graphql subscription mergeRequestReviewersUpdated' do
+          expect(GraphqlTriggers).to receive(:merge_request_reviewers_updated).with(merge_request)
+
+          update_merge_request({ reviewer_ids: [user2.id] })
+        end
+      end
+
+      context 'when reviewers did not change' do
+        it 'does not trigger graphql subscription mergeRequestReviewersUpdated' do
+          expect(GraphqlTriggers).not_to receive(:merge_request_reviewers_updated)
+
+          update_merge_request({ reviewer_ids: [merge_request.reviewer_ids] })
+        end
       end
 
       context 'when the milestone is removed' do