mirror of
https://github.com/hakanensari/frankfurter.git
synced 2024-10-29 23:32:35 +01:00
45 lines
1.1 KiB
Ruby
45 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require_relative 'helper'
|
|
require 'roundable'
|
|
|
|
describe Roundable do
|
|
include Roundable
|
|
|
|
it 'rounds values over 5,000 to zero decimal places' do
|
|
_(round(5000.123456)).must_equal 5000
|
|
end
|
|
|
|
it 'rounds values over 80 and below 5,000 to two decimal places' do
|
|
_(round(80.123456)).must_equal 80.12
|
|
_(round(4999.123456)).must_equal 4999.12
|
|
end
|
|
|
|
it 'rounds values over 20 and below 80 to three decimal places' do
|
|
_(round(79.123456)).must_equal 79.123
|
|
_(round(20.123456)).must_equal 20.123
|
|
end
|
|
|
|
it 'rounds values over 1 and below 20 to four decimal places' do
|
|
_(round(19.123456)).must_equal 19.1235
|
|
_(round(1.123456)).must_equal 1.1235
|
|
end
|
|
|
|
it 'rounds values below 1 to five decimal places' do
|
|
_(round(0.123456)).must_equal 0.12346
|
|
end
|
|
|
|
it 'rounds values below 0.0001 to six decimal places' do
|
|
_(round(0.0000655)).must_equal 0.000066
|
|
end
|
|
|
|
it 'conforms to ECB conventions' do
|
|
skip "We don't conform ¯\_(ツ)_/¯"
|
|
require 'day'
|
|
rates = Day.all.sample.rates.to_a
|
|
rates.shuffle.each do |_currency, rate|
|
|
_(round(rate)).must_equal rate
|
|
end
|
|
end
|
|
end
|