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Contents
require 'spec_helper'
module Alf
module Engine
describe Rank::Cesure do
let(:input) {[
{:pid => 'P1', :weight => 12.0},
{:pid => 'P5', :weight => 12.0},
{:pid => 'P4', :weight => 14.0},
{:pid => 'P2', :weight => 17.0},
{:pid => 'P3', :weight => 17.0},
{:pid => 'P6', :weight => 19.0}
]}
context "when a partial ordering is used" do
let(:expected) {[
{:pid => 'P1', :weight => 12.0, :rank => 0},
{:pid => 'P5', :weight => 12.0, :rank => 0},
{:pid => 'P4', :weight => 14.0, :rank => 2},
{:pid => 'P2', :weight => 17.0, :rank => 3},
{:pid => 'P3', :weight => 17.0, :rank => 3},
{:pid => 'P6', :weight => 19.0, :rank => 5}
]}
it 'should rank as expected' do
op = Engine::Rank::Cesure.new(input, AttrList[:weight], :rank)
op.to_a.should eq(expected.to_a)
end
end
context "when a total ordering is used" do
let(:expected) {[
{:pid => 'P1', :weight => 12.0, :rank => 0},
{:pid => 'P5', :weight => 12.0, :rank => 1},
{:pid => 'P4', :weight => 14.0, :rank => 2},
{:pid => 'P2', :weight => 17.0, :rank => 3},
{:pid => 'P3', :weight => 17.0, :rank => 4},
{:pid => 'P6', :weight => 19.0, :rank => 5}
]}
it 'should rank as expected' do
op = Engine::Rank::Cesure.new(input, AttrList[:weight, :pid], :rank)
op.to_a.should eq(expected.to_a)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems