require 'spec_helper' require File.expand_path('../fixtures/classes', __FILE__) describe 'Veritas::Logic::Expression#rename' do subject { object.rename(aliases) } let(:klass) { ExpressionSpecs::Object } let(:header) { TABLE_DUM.header } let(:aliases) { Algebra::Rename::Aliases.new({}) } let(:object) { klass.new } it 'returns self' do should equal(object) end end