diff options
Diffstat (limited to 'spec/models/preloaders/user_max_access_level_in_projects_preloader_spec.rb')
-rw-r--r-- | spec/models/preloaders/user_max_access_level_in_projects_preloader_spec.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/spec/models/preloaders/user_max_access_level_in_projects_preloader_spec.rb b/spec/models/preloaders/user_max_access_level_in_projects_preloader_spec.rb new file mode 100644 index 00000000000..16e699b7e0e --- /dev/null +++ b/spec/models/preloaders/user_max_access_level_in_projects_preloader_spec.rb @@ -0,0 +1,37 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Preloaders::UserMaxAccessLevelInProjectsPreloader do + let_it_be(:user) { create(:user) } + let_it_be(:project_1) { create(:project) } + let_it_be(:project_2) { create(:project) } + let_it_be(:project_3) { create(:project) } + + let(:projects) { [project_1, project_2, project_3] } + + before do + project_1.add_developer(user) + project_2.add_developer(user) + end + + context 'preload maximum access level to avoid querying project_authorizations', :request_store do + it 'avoids N+1 queries', :request_store do + Preloaders::UserMaxAccessLevelInProjectsPreloader.new(projects, user).execute + + query_count = ActiveRecord::QueryRecorder.new do + projects.each { |project| user.can?(:read_project, project) } + end.count + + expect(query_count).to eq(0) + end + + it 'runs N queries without preloading' do + query_count = ActiveRecord::QueryRecorder.new do + projects.each { |project| user.can?(:read_project, project) } + end.count + + expect(query_count).to eq(projects.size) + end + end +end |