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Contents
# encoding: utf-8
require 'spec_helper'
describe Algebra::Product do
context 'Commutative property' do
subject { left.product(right) }
let(:left) { Relation.new([ [ :id, Integer ] ], [ [ 1 ], [ 2 ] ]) }
let(:right) { Relation.new([ [ :name, String ] ], [ [ 'Dan Kubb' ], [ 'Alex Kubb' ] ]) }
it 'does not matter which order the relations are multiplied in' do
should == right.product(left)
end
end
end
Version data entries
5 entries across 5 versions & 2 rubygems