require 'spec_helper' describe NotificationRecipientService do let(:service) { described_class } let(:assignee) { create(:user) } let(:project) { create(:project, :public) } let(:other_projects) { create_list(:project, 5, :public) } describe '#build_new_note_recipients' do let(:issue) { create(:issue, project: project, assignees: [assignee]) } let(:note) { create(:note_on_issue, noteable: issue, project_id: issue.project_id) } def create_watcher watcher = create(:user) create(:notification_setting, source: project, user: watcher, level: :watch) other_projects.each do |other_project| create(:notification_setting, source: other_project, user: watcher, level: :watch) end end it 'avoids N+1 queries', :request_store do create_watcher service.build_new_note_recipients(note) control_count = ActiveRecord::QueryRecorder.new do service.build_new_note_recipients(note) end create_watcher expect { service.build_new_note_recipients(note) }.not_to exceed_query_limit(control_count) end end end