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Contents

require 'spec_helper'

describe 'Veritas::Optimizer::Logic::Connective::Disjunction::FalseRightOperand#optimizable?' do
  subject { object.optimizable? }

  let(:klass)      { Optimizer::Logic::Connective::Disjunction::FalseRightOperand }
  let(:attribute)  { Attribute::Integer.new(:id)                                  }
  let(:connective) { left.or(right)                                               }
  let(:object)     { klass.new(connective)                                        }

  before do
    object.operation.should be_kind_of(Logic::Connective::Disjunction)
  end

  context 'when right is false' do
    let(:left)  { attribute.eq(1)                    }
    let(:right) { Logic::Proposition::False.instance }

    it { should be(true) }
  end

  context 'when right is not false' do
    let(:left)  { attribute.eq(1) }
    let(:right) { attribute.eq(1) }

    it { should be(false) }
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version Path
veritas-0.0.2 spec/unit/veritas/optimizer/logic/connective/disjunction/false_right_operand/optimizable_spec.rb