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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Preloaders::UserMaxAccessLevelInGroupsPreloader do
let_it_be(:user) { create(:user) }
let_it_be(:group1) { create(:group, :private).tap { |g| g.add_developer(user) } }
let_it_be(:group2) { create(:group, :private).tap { |g| g.add_developer(user) } }
let_it_be(:group3) { create(:group, :private) }
let(:max_query_regex) { /SELECT MAX\("members"\."access_level"\).+/ }
let(:groups) { [group1, group2, group3] }
shared_examples 'executes N max member permission queries to the DB' do
it 'executes the specified max membership queries' do
queries = ActiveRecord::QueryRecorder.new do
groups.each { |group| user.can?(:read_group, group) }
end
max_queries = queries.log.grep(max_query_regex)
expect(max_queries.count).to eq(expected_query_count)
end
end
context 'when the preloader is used', :request_store do
before do
described_class.new(groups, user).execute
end
it_behaves_like 'executes N max member permission queries to the DB' do
# Will query all groups where the user is not already a member
let(:expected_query_count) { 1 }
end
context 'when user has access but is not a direct member of the group' do
let(:groups) { [group1, group2, group3, create(:group, :private, parent: group1)] }
it_behaves_like 'executes N max member permission queries to the DB' do
# One query for group with no access and another one where the user is not a direct member
let(:expected_query_count) { 2 }
end
end
end
context 'when the preloader is not used', :request_store do
it_behaves_like 'executes N max member permission queries to the DB' do
let(:expected_query_count) { groups.count }
end
end
end
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