# BugetService

## 使用工具

minitest + mocha
https://5xruby.tw/posts/minitest_with_mocha/

minitest
https://github.com/seattlerb/minitest

mocha
https://github.com/freerange/mocha

## User Story
{
'201912' : 310
'202001' : 31
'202004': 0
'202005': 310,
'202006': 3000,
'202007': 31,
}

查整個月
('20200501', '20200531') => 310

查一天
('20200501', '20200501') => 10

查1個月多天
('20200501', '20200503') => 30

查跨月(2個月)
('2020501', '20200615') => 1810

查跨月(3個月)
('20200531', '20200701') => 3011

起始日期大於結束日期
('20200502', '20200501') => 0

跨年
('20191231', '20200101') => 11