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require File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..', 'spec_helper')

module Arel
  describe Order do
    before do
      @relation = Array.new([
        [1, 'duck' ],
        [2, 'duck' ],
        [3, 'goose']
      ], [:id, :name])
    end
    
    describe '#call' do
      it 'sorts the relation with the provided ordering' do
        @relation                     \
          .order(@relation[:id].desc) \
        .let do |relation|
          relation.call.should == [
            Row.new(relation, [3, 'goose']),
            Row.new(relation, [2, 'duck' ]),
            Row.new(relation, [1, 'duck' ])
          ]
        end
      end
    end
  end
end