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Contents
require 'test_helper'
module Workarea
module Metrics
class CalculatePercentilesTest < TestCase
def test_simple_data
create_data(*0..99)
results = find_results
assert_equal(100, results.size)
assert_equal(1, results['1'])
assert_equal(99, results['99'])
end
def test_smaller_data
create_data(15, 20, 25, 40, 50)
results = find_results
assert_equal(100, results.size)
assert_equal(15, results['5'])
assert_equal(20, results['30'])
assert_equal(25, results['40'])
assert_equal(25, results['50'])
assert_equal(50, results['99'])
end
def test_clean_data
create_data(12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48)
assert_equal(36, find_results['65'])
end
private
def create_data(*values)
values.each do |value|
ProductForLastWeek.create!(product_id: value, views: value)
end
end
def find_results
CalculatePercentiles
.new(ProductForLastWeek.collection, :views)
.results
end
end
end
end
Version data entries
62 entries across 62 versions & 1 rubygems