# encoding: utf-8

require 'spec_helper'

describe Relation::Operation::Reverse, '#directions' do
  subject { object.directions }

  let(:relation) { Relation.new([ [ :id, Integer ] ], LazyEnumerable.new) }
  let(:object)   { described_class.new(ordered)                           }
  let(:ordered)  { relation.sort_by { |r| r.id }                          }

  it_should_behave_like 'an idempotent method'

  it 'reverses the directions' do
    should equal(ordered.directions.reverse)
  end
end