Contents

# encoding: utf-8

require 'spec_helper'

describe Optimizer::Relation::Operation::Binary::OrderLeft, '#optimizable?' do
  subject { object.optimizable? }

  let(:relation) { double('Relation', left: left, right: right) }
  let(:right)    { double('Right')                              }
  let(:object)   { described_class.new(relation)                }

  context 'when left is an order' do
    let(:left) { Relation.new([[:id, Integer]], LazyEnumerable.new).sort_by { |r| r.id } }

    it { should be(true) }
  end

  context 'when left is not an order' do
    let(:left) { Relation.new([[:id, Integer]], LazyEnumerable.new) }

    it { should be(false) }
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
axiom-optimizer-0.1.1	spec/unit/axiom/optimizer/relation/operation/binary/order_left/optimizable_predicate_spec.rb