Sha256: 6961e7ff245cee2716b40e39c53ed92f23139d042f2eaf0c01b8cb9800e96666
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Contents
require 'spec_helper' describe 'Veritas::Optimizer::Algebra::Restriction::FalsePredicate#optimize' do subject { object.optimize } let(:klass) { Optimizer::Algebra::Restriction::FalsePredicate } let(:header) { Relation::Header.new([ [ :id, Integer ] ]) } let(:base) { Relation.new(header, [ [ 1 ] ].each) } let(:predicate) { Logic::Proposition::False.instance } let(:relation) { base.restrict(predicate) } let(:object) { klass.new(relation) } before do object.operation.should be_kind_of(Algebra::Restriction) end it { should be_kind_of(Relation::Empty) } its(:header) { should equal(header) } end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
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veritas-0.0.2 | spec/unit/veritas/optimizer/algebra/restriction/false_predicate/optimize_spec.rb |