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Size: 615 Bytes

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Stored size: 615 Bytes

Contents

require 'spec_helper'

describe 'Veritas::Optimizer::Algebra::Union::EmptyRight#optimize' do
  subject { object.optimize }

  let(:klass)    { Optimizer::Algebra::Union::EmptyRight      }
  let(:header)   { Relation::Header.new([ [ :id, Integer ] ]) }
  let(:left)     { Relation.new(header, [ [ 1 ] ].each)       }
  let(:right)    { Relation.new(header, [ [ 2 ] ].each)       }
  let(:relation) { left.union(right)                          }
  let(:object)   { klass.new(relation)                        }

  before do
    object.operation.should be_kind_of(Algebra::Union)
  end

  it { should equal(left) }
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version Path
veritas-0.0.2 spec/unit/veritas/optimizer/algebra/union/empty_right/optimize_spec.rb
veritas-0.0.1 spec/unit/veritas/optimizer/algebra/union/empty_right/optimize_spec.rb