# encoding: utf-8 require 'spec_helper' describe Optimizer::Algebra::Product::TableDeeLeft, '#optimize' do subject { object.optimize } let(:left) { TABLE_DEE } let(:right) { Relation.new([[:id, Integer]], LazyEnumerable.new([[1]])) } let(:relation) { left.product(right) } let(:object) { described_class.new(relation) } before do expect(object).to be_optimizable end it { should be(right) } end