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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Preloaders::ProjectRootAncestorPreloader do
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_project) { create(:project, name: 'public guest', path: 'public-guest') }
let_it_be(:private_maintainer_project) do
create(:project, :private, name: 'b private maintainer', path: 'b-private-maintainer', namespace: root_parent1)
end
let_it_be(:private_developer_project) do
create(:project, :private, name: 'c public developer', path: 'c-public-developer')
end
let_it_be(:public_maintainer_project) do
create(:project, :private, name: 'a public maintainer', path: 'a-public-maintainer', namespace: root_parent2)
end
let(:root_query_regex) { /\ASELECT.+FROM "namespaces" WHERE "namespaces"."id" = \d+/ }
let(:additional_preloads) { [] }
let(:projects) { [guest_project, private_maintainer_project, private_developer_project, public_maintainer_project] }
let(:pristine_projects) { Project.where(id: projects) }
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_projects.each do |project|
root_ancestor = project.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_projects.each do |project|
expected_parent_id = project.root_ancestor&.id
expect(project.parent_id).to eq(expected_parent_id)
end
end
end
context 'when use_traversal_ids FF is enabled' do
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', 4
end
end
context 'when use_traversal_ids FF is disabled' do
before do
stub_feature_flags(use_traversal_ids: false)
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', 4
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', 4, :full_path
end
end
context 'when the preloader is not used' do
it_behaves_like 'executes N matching DB queries', 4
end
end
def preload_ancestors
described_class.new(pristine_projects, :namespace, additional_preloads).execute
end
end
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