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The Trip/Leonardong

๊ฐ —ฌ–‰ž๊ฐ€ 1„Šธ๊นŒง€ ชผ๊ฐœ„œ ๋‚˜›Œ ๊ฐ€„๋‹ค๊ณ  ƒ๊ฐ•œ ฝ”๋“œž…๋‹ˆ๋‹ค.

~cpp 
class Exchanger:
    def getListOfBiggerThan(self, aMean, aList):
        resultList = []
        for each in aList:
            if each > aMean:
                resultList.append(each)
        return resultList
    def getMeanOfList(self, aList):
        return sum(aList, 0) / len(aList)
    def offerAShareOfMoney(self, aExpenses):
        expensesBiggerThanMean = self.getListOfBiggerThan(
                                    self.getMeanOfList(aExpenses),
                                    aExpenses)
        result = 0.0
        for each in expensesBiggerThanMean:
            result = result + abs( each - self.getMeanOfList(aExpenses) )
        return result
#########################################################################           
import unittest

class TheTripTestCase(unittest.TestCase):
    def setUp(self):
        self.ex = Exchanger()
    def testGetListOfBiggerThan(self):
        expenses = [0.0, 1.0, 2.0, 3.0]
        mean = self.ex.getMeanOfList(expenses) # mean is 1.5
        expected = expenses[2:]
        self.assertEquals( expected,
                           self.ex.getListOfBiggerThan( mean, expenses ))
    def testOfferAShareOfMoney(self):
        self.assertEquals( 10.0,
                           self.ex.offerAShareOfMoney( [10.0, 20.0, 30.0] ))
        self.assertEquals( 11.99,
                   self.ex.offerAShareOfMoney( [15.0, 15.01, 3.0, 3.01] ))

#########################################################################
if __name__ == '__main__': 
    unittest.main()   

Thread

ผ๋‹จ ๋ฌธ œ๋ฅผ ด•ด•˜๋Š”๋ฐ ‹œ๊ฐ„ด 20๋ถ„  •๋„ธ๋ ธ๋‹ค. ๋ฌธ œ •ด๊ฒฐ…„ ฐพ•„๋ณด๋˜ ค‘ ‰๊ท ๋ณด๋‹ค ๋งŽด ๊ฐ€„ ‚ฌ๋žŒ๋“คด ๋ˆ„ ๋‚˜๋ˆ„–ด ฃผ๋ฉด ๋œ๋‹ค๋Š” ‚ฌ‹ค„ ๊นจ๋‹ซ๊ธฐ๊นŒง€ 14๋ถ„ธ๋ ธ๋‹ค. ฝ”๋“œ๋กœ ๋งŒ๋“œ๋Š”๋ฐ๋Š” 41๋ถ„ด ๊ธ๋ ธ๋Š”๋ฐ, •Œ๊ณ ๋ฆฌฆ˜„ ๋”ฐ๋ผ ๋ฌด๋‚œžˆ ž‘„•˜˜€๋‹ค. ๋‚˜๋จธง€ ‹œ๊ฐ„€ ๋ฌธ๋ฒ•„ ๋ณด๊ฐ๋‚˜ ๋””๋ฒ„๊น…–ˆ๋‹ค.

๋ฌธ œ๋ฅผ ’€๊ธฐ  „— ƒ˜”Œ ž…๋ ฅ๋ถ€„ฐ ๋ณด๋Š” ๊ฒฝ–ฅด žˆ๋‹ค. ๋ฌธ œ๋ฅผ ด•ด ๋ชป–ˆœผ๋ฏ€๋กœ ƒ˜”Œ ž…๋ ฅ„ ๋ณด๋‹ค๊ฐ€ ๊ฒฐ๊ตญ ๋‹ค‹œ ๋ฌธ œ๋ฅผ ๋ณด๋А๋ผ ‹œ๊ฐ„ด ง€ฒด๋œ๋‹ค. ๋”ฐ๋ผ„œ ๋ฌธ œ๋ฅผ ๋‹ค ด•ด•˜๊ณ ,  •˜•œ ๋’ค ƒ˜”Œ ž…๋ ฅ„ ๋ณด•„  •˜๊ฐ€ ๋งž๋Š”ง€ ™•ธ•˜๋Š” ˆœ„œ๋กœ ๋ฌธ œ๋ฅผ ’€–ด•ผ๊ฒ ๋‹ค. •ด๊ฒฐ…€ ๋ฌธ œ๋ฅผ  •˜•œ ๋‹คŒ— ๋– ˜ฌ๋ฆฐ๋‹ค.

๋ฌด—‡ด ž˜๋ชป ๋˜–ด๋„ …ŒŠคŠธ๋ฅผ ถ”๊ฐ€•ด๋ณธ๋‹ค๋Š”  € —ญ‹œ๋‚˜ TDD๊ฐ€ ๋งค๋ ฅ ผ ˆ˜ ๋ฐ–— —†๋Š” š”ธด๋‹ค. ด œ๋Š” †œผ๋กœ …ŒŠคŠธ๋ฅผ •˜๋ ค๋ฉด ๋„ˆ๋ฌด ๊ท€ฐฎ๊ณ  ‹œ๊ฐ„๋‚ญ๋น„๋ผ๊ณ  ƒ๊ฐ•œ๋‹ค. TDD ๋ฆฌ๋“ฌ„ กฐ ˆ•ด„ ŒŒŠธ๋„ˆ๊ฐ€ ˜†— žˆ๋‹ค๋ฉด ๋”š ข‹œผ๋ จ๋งŒ. :) --Leonardong

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