Merge branch '40871-todo-notification-count-shows-notification-without-having-a-todo' into 'master'

Resolve "Todo notification count shows notification without having a todo"

Closes #40871

See merge request gitlab-org/gitlab-ce!15807

5 files changed, 49 insertions, 10 deletions

diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index c5d08cb0b9d..a2ef937609b 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -874,7 +874,7 @@ describe Projects::IssuesController do
       end
 
       it 'delegates the update of the todos count cache to TodoService' do
-        expect_any_instance_of(TodoService).to receive(:destroy_issuable).with(issue, owner).once
+        expect_any_instance_of(TodoService).to receive(:destroy_target).with(issue).once
 
         delete :destroy, namespace_id: project.namespace, project_id: project, id: issue.iid
       end
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index d03ecefe47f..58116e6e0fe 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -468,7 +468,7 @@ describe Projects::MergeRequestsController do
       end
 
       it 'delegates the update of the todos count cache to TodoService' do
-        expect_any_instance_of(TodoService).to receive(:destroy_issuable).with(merge_request, owner).once
+        expect_any_instance_of(TodoService).to receive(:destroy_target).with(merge_request).once
 
         delete :destroy, namespace_id: project.namespace, project_id: project, id: merge_request.iid
       end
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
diff --git a/spec/services/notes/destroy_service_spec.rb b/spec/services/notes/destroy_service_spec.rb
index c9a99a43edb..64445be560e 100644
--- a/spec/services/notes/destroy_service_spec.rb
+++ b/spec/services/notes/destroy_service_spec.rb
@@ -1,15 +1,25 @@
 require 'spec_helper'
 
 describe Notes::DestroyService do
+  set(:project) { create(:project, :public) }
+  set(:issue) { create(:issue, project: project) }
+  let(:user) { issue.author }
+
   describe '#execute' do
     it 'deletes a note' do
-      project = create(:project)
-      issue = create(:issue, project: project)
       note = create(:note, project: project, noteable: issue)
 
-      described_class.new(project, note.author).execute(note)
+      described_class.new(project, user).execute(note)
 
       expect(project.issues.find(issue.id).notes).not_to include(note)
     end
+
+    it 'updates the todo counts for users with todos for the note' do
+      note = create(:note, project: project, noteable: issue)
+      create(:todo, note: note, target: issue, user: user, author: user, project: project)
+
+      expect { described_class.new(project, user).execute(note) }
+        .to change { user.todos_pending_count }.from(1).to(0)
+    end
   end
 end
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index dc2673abc73..88013acae0a 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -248,11 +248,26 @@ describe TodoService do
       end
     end
 
-    describe '#destroy_issuable' do
-      it 'refresh the todos count cache for the user' do
-        expect(john_doe).to receive(:update_todos_count_cache).and_call_original
+    describe '#destroy_target' do
+      it 'refreshes the todos count cache for users with todos on the target' do
+        create(:todo, target: issue, user: john_doe, author: john_doe, project: issue.project)
 
-        service.destroy_issuable(issue, john_doe)
+        expect_any_instance_of(User).to receive(:update_todos_count_cache).and_call_original
+
+        service.destroy_target(issue) { }
+      end
+
+      it 'does not refresh the todos count cache for users with only done todos on the target' do
+        create(:todo, :done, target: issue, user: john_doe, author: john_doe, project: issue.project)
+
+        expect_any_instance_of(User).not_to receive(:update_todos_count_cache)
+
+        service.destroy_target(issue) { }
+      end
+
+      it 'yields the target to the caller' do
+        expect { |b| service.destroy_target(issue, &b) }
+          .to yield_with_args(issue)
       end
     end