Merge branch 'jej-23867-use-mr-finder-instead-of-access-check' into 'security'

Replace MR access checks with use of MergeRequestsFinder

Split from !2024 to partially solve https://gitlab.com/gitlab-org/gitlab-ce/issues/23867

:warning: - Potentially untested
:bomb: - No test coverage
:traffic_light: - Test coverage of some sort exists (a test failed when error raised)
:vertical_traffic_light: - Test coverage of return value (a test failed when nil used)
:white_check_mark: - Permissions check tested

- [x] :bomb:  app/finders/notes_finder.rb:17
- [x] :warning:  app/views/layouts/nav/_project.html.haml:80 [`.count`]
- [x] :bomb:  app/controllers/concerns/creates_commit.rb:84
- [x] :traffic_light:  app/controllers/projects/commits_controller.rb:24
- [x] :traffic_light:  app/controllers/projects/compare_controller.rb:56
- [x] :vertical_traffic_light:  app/controllers/projects/discussions_controller.rb:29
- [x] :white_check_mark:  app/controllers/projects/todos_controller.rb:27
- [x] :vertical_traffic_light:  app/models/commit.rb:268
- [x] :white_check_mark: lib/gitlab/search_results.rb:71

- [x] https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2024/diffs#d1c10892daedb4d4dd3d4b12b6d071091eea83df_267_266 Memoize ` merged_merge_request(current_user)`
- [x] https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2024/diffs#d1c10892daedb4d4dd3d4b12b6d071091eea83df_248_247 Expected side effect for `merged_merge_request!`, consider `skip_authorization: true`.
- [x] https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/2024/diffs#d1c10892daedb4d4dd3d4b12b6d071091eea83df_269_269 Scary use  of unchecked `merged_merge_request?`

See merge request !2033

1 files changed, 14 insertions, 1 deletions

diff --git a/spec/controllers/projects/todo_controller_spec.rb b/spec/controllers/projects/todo_controller_spec.rb
index 193a3f6b5a3..415c264e0dd 100644
--- a/spec/controllers/projects/todo_controller_spec.rb
+++ b/spec/controllers/projects/todo_controller_spec.rb
@@ -110,7 +110,7 @@ describe Projects::TodosController do
         end
       end
 
-      context 'when not authorized' do
+      context 'when not authorized for project' do
         it 'does not create todo for merge request user has no access to' do
           sign_in(user)
           expect do
@@ -128,6 +128,19 @@ describe Projects::TodosController do
           expect(response).to have_http_status(302)
         end
       end
+
+      context 'when not authorized for merge_request' do
+        before do
+          project.update!(visibility_level: Gitlab::VisibilityLevel::PUBLIC)
+          project.project_feature.update!(merge_requests_access_level: ProjectFeature::PRIVATE)
+          sign_in(user)
+        end
+
+        it "doesn't create todo" do
+          expect{ go }.not_to change { user.todos.count }
+          expect(response).to have_http_status(404)
+        end
+      end
     end
   end
 end