diff options
Diffstat (limited to 'spec/models/preloaders/group_root_ancestor_preloader_spec.rb')
-rw-r--r-- | spec/models/preloaders/group_root_ancestor_preloader_spec.rb | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/spec/models/preloaders/group_root_ancestor_preloader_spec.rb b/spec/models/preloaders/group_root_ancestor_preloader_spec.rb new file mode 100644 index 00000000000..0d622e84ef1 --- /dev/null +++ b/spec/models/preloaders/group_root_ancestor_preloader_spec.rb @@ -0,0 +1,63 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Preloaders::GroupRootAncestorPreloader do + let_it_be(:user) { create(:user) } + let_it_be(:root_parent1) { create(:group, :private, name: 'root-1', path: 'root-1') } + let_it_be(:root_parent2) { create(:group, :private, name: 'root-2', path: 'root-2') } + let_it_be(:guest_group) { create(:group, name: 'public guest', path: 'public-guest') } + let_it_be(:private_maintainer_group) { create(:group, :private, name: 'b private maintainer', path: 'b-private-maintainer', parent: root_parent1) } + let_it_be(:private_developer_group) { create(:group, :private, project_creation_level: nil, name: 'c public developer', path: 'c-public-developer') } + let_it_be(:public_maintainer_group) { create(:group, :private, name: 'a public maintainer', path: 'a-public-maintainer', parent: root_parent2) } + + let(:root_query_regex) { /\ASELECT.+FROM "namespaces" WHERE "namespaces"."id" = \d+/ } + let(:additional_preloads) { [] } + let(:groups) { [guest_group, private_maintainer_group, private_developer_group, public_maintainer_group] } + let(:pristine_groups) { Group.where(id: groups) } + + shared_examples 'executes N matching DB queries' do |expected_query_count, query_method = nil| + it 'executes the specified root_ancestor queries' do + expect do + pristine_groups.each do |group| + root_ancestor = group.root_ancestor + + root_ancestor.public_send(query_method) if query_method.present? + end + end.to make_queries_matching(root_query_regex, expected_query_count) + end + + it 'strong_memoizes the correct root_ancestor' do + pristine_groups.each do |group| + expected_parent_id = group.root_ancestor.id == group.id ? nil : group.root_ancestor.id + + expect(group.parent_id).to eq(expected_parent_id) + end + end + end + + context 'when the preloader is used' do + before do + preload_ancestors + end + + context 'when no additional preloads are provided' do + it_behaves_like 'executes N matching DB queries', 0 + end + + context 'when additional preloads are provided' do + let(:additional_preloads) { [:route] } + let(:root_query_regex) { /\ASELECT.+FROM "routes" WHERE "routes"."source_id" = \d+/ } + + it_behaves_like 'executes N matching DB queries', 0, :full_path + end + end + + context 'when the preloader is not used' do + it_behaves_like 'executes N matching DB queries', 2 + end + + def preload_ancestors + described_class.new(pristine_groups, additional_preloads).execute + end +end |