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Contents
require "spec_helper"
MetricFu.metrics_require { 'hotspots/analysis/ranking' }
describe MetricFu::Ranking do
context "with many items" do
specify "#top" do
ranking = Ranking.new
ranking[:a] = 10
ranking[:b] = 50
ranking[:c] = 1
expect(ranking.top).to eq([:b,:a, :c])
end
specify "lowest item is at 0 percentile" do
ranking = Ranking.new
ranking[:a] = 10
ranking[:b] = 50
expect(ranking.percentile(:a)).to eq(0)
end
specify "highest item is at high percentile" do
ranking = Ranking.new
ranking[:a] = 10
ranking[:b] = 50
ranking[:c] = 0
ranking[:d] = 5
expect(ranking.percentile(:b)).to eq(0.75)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems