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Contents
require 'spec_helper'
module Alf
module Engine
describe Aggregate do
it 'should work on an empty operand' do
Autonum.new([], Summarization[{}]).to_a.should eq([])
end
it 'should work on a non empty operand' do
rel = [
{:name => "Jones", :price => 12.0, :id => 1},
{:name => "Smith", :price => 10.0, :id => 2}
]
agg = Summarization[:size => "count",
:total => "sum{ price }"]
exp = [
{:size => 2, :total => 22.0}
]
Aggregate.new(rel, agg).to_a.should eq(exp)
end
end
end # module Engine
end # module Alf
Version data entries
5 entries across 5 versions & 1 rubygems