Deleting a MR you are assigned to should decrements counter

The merge request counter in the UI was not decreasing when a merge
request was deleting.

This was just due to the cache not being
refreshed on a delete action.

fixes: https://gitlab.com/gitlab-org/gitlab-ce/issues/44458

1 files changed, 12 insertions, 2 deletions

diff --git a/spec/services/issuable/destroy_service_spec.rb b/spec/services/issuable/destroy_service_spec.rb
index 0a3647a814f..8ccbba7fa58 100644
--- a/spec/services/issuable/destroy_service_spec.rb
+++ b/spec/services/issuable/destroy_service_spec.rb
@@ -8,7 +8,7 @@ describe Issuable::DestroyService do
 
   describe '#execute' do
     context 'when issuable is an issue' do
-      let!(:issue) { create(:issue, project: project, author: user) }
+      let!(:issue) { create(:issue, project: project, author: user, assignees: [user]) }
 
       it 'destroys the issue' do
         expect { service.execute(issue) }.to change { project.issues.count }.by(-1)
@@ -26,10 +26,15 @@ describe Issuable::DestroyService do
         expect { service.execute(issue) }
           .to change { user.todos_pending_count }.from(1).to(0)
       end
+
+      it 'invalidates the issues count cache for the assignees' do
+        expect_any_instance_of(User).to receive(:invalidate_cache_counts).once
+        service.execute(issue)
+      end
     end
 
     context 'when issuable is a merge request' do
-      let!(:merge_request) { create(:merge_request, target_project: project, source_project: project, author: user) }
+      let!(:merge_request) { create(:merge_request, target_project: project, source_project: project, author: user, assignee: user) }
 
       it 'destroys the merge request' do
         expect { service.execute(merge_request) }.to change { project.merge_requests.count }.by(-1)
@@ -41,6 +46,11 @@ describe Issuable::DestroyService do
         service.execute(merge_request)
       end
 
+      it 'invalidates the merge request caches for the MR assignee' do
+        expect_any_instance_of(User).to receive(:invalidate_cache_counts).once
+        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)