Contents

# encoding: utf-8

require 'spec_helper'

describe Optimizer::Algebra::Restriction::RestrictionOperand, '#optimize' do
  subject { object.optimize }

  let(:header)          { Relation::Header.new([ [ :id, Integer ] ])               }
  let(:base)            { Relation.new(header, [ [ 1 ] ].each)                     }
  let(:predicate)       { header[:id].eq(1)                                        }
  let(:other_predicate) { header[:id].include([ 1 ])                               }
  let(:relation)        { base.restrict { predicate }.restrict { other_predicate } }
  let(:object)          { described_class.new(relation)                            }

  before do
    object.should be_optimizable
  end

  it { should be_kind_of(Algebra::Restriction) }

  its(:operand) { should equal(base) }

  its(:predicate) { should equal(predicate) }
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
veritas-optimizer-0.0.7	spec/unit/veritas/optimizer/algebra/restriction/restriction_operand/optimize_spec.rb
veritas-optimizer-0.0.6	spec/unit/veritas/optimizer/algebra/restriction/restriction_operand/optimize_spec.rb
veritas-optimizer-0.0.5	spec/unit/veritas/optimizer/algebra/restriction/restriction_operand/optimize_spec.rb
veritas-optimizer-0.0.4	spec/unit/veritas/optimizer/algebra/restriction/restriction_operand/optimize_spec.rb