Reset todo counters when the target is deleted

When the target is deleted, todos are destroyed, but we did not reset the todo
cache for users with todos on the deleted target. This would only update after
the next time the todo cache was updated for that user.

1 files changed, 15 insertions, 1 deletions

diff --git a/spec/services/issuable/destroy_service_spec.rb b/spec/services/issuable/destroy_service_spec.rb
index d74d98c6079..0a3647a814f 100644
--- a/spec/services/issuable/destroy_service_spec.rb
+++ b/spec/services/issuable/destroy_service_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Issuable::DestroyService do
   let(:user) { create(:user) }
-  let(:project) { create(:project) }
+  let(:project) { create(:project, :public) }
 
   subject(:service) { described_class.new(project, user) }
 
@@ -19,6 +19,13 @@ describe Issuable::DestroyService do
 
         service.execute(issue)
       end
+
+      it 'updates the todo caches for users with todos on the issue' do
+        create(:todo, target: issue, user: user, author: user, project: project)
+
+        expect { service.execute(issue) }
+          .to change { user.todos_pending_count }.from(1).to(0)
+      end
     end
 
     context 'when issuable is a merge request' do
@@ -33,6 +40,13 @@ describe Issuable::DestroyService do
 
         service.execute(merge_request)
       end
+
+      it 'updates the todo caches for users with todos on the merge request' do
+        create(:todo, target: merge_request, user: user, author: user, project: project)
+
+        expect { service.execute(merge_request) }
+          .to change { user.todos_pending_count }.from(1).to(0)
+      end
     end
   end
 end