Contents

require 'spec_helper'

[ :difference, :- ].each do |method|
  describe "Veritas::Algebra::Difference::Methods##{method}" do
    subject { relation.send(method, other) }

    let(:header)   { [ [ :id, Integer ] ]            }
    let(:relation) { Relation.new(header, [ [ 1 ] ]) }
    let(:other)    { Relation.new(header, [ [ 2 ] ]) }

    it { should be_kind_of(Algebra::Difference) }

    it 'behaves the same as Array#-' do
      should == (relation.to_a - other.to_a)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
veritas-0.0.1	spec/unit/veritas/algebra/difference/methods/difference_spec.rb