Primary Arithmetic/1002

~cpp 
class PrimaryArithmeticTest(unittest.TestCase):
    def testCarry(self):
        self.assertEquals(0,carryCount(123,456))

~cpp 
def carryCount(one,two):
    result = 0
    return result

class PrimaryArithmeticTest(unittest.TestCase):
    def testCarry(self):
        self.assertEquals(0,carryCount(123,456))

~cpp 
def hasCarry(one,two):
    return one+two >= 10

.
.

    def testCarryOne(self):
        self.assert_(not hasCarry(3,5))
        self.assert_(hasCarry(5,5))
        self.assert_(hasCarry(8,5))

~cpp 
def toList(number):
.
.
.

    def testToList(self):
        self.assertEquals([1,2,3], toList(123))

~cpp 
def toList(numberStr):
    return [int(each) for each in numberStr]
.
.
.

    def testToList(self):
        self.assertEquals([1,2,3], toList('123'))

~cpp 
import unittest

LIMIT_NUMBER = 10

def carryCount(one,two):
    resultCount = 0
    oneList,twoList = withNullList(one),withNullList(two)
    for idx in range(LIMIT_NUMBER-1,-1,-1):
        if hasCarry(oneList[idx],twoList[idx]):
            resultCount += 1
            oneList[idx-1] += 1
    return resultCount

def hasCarry(one,two):
    return one+two >= 10

def nullList(nullCount):
    return [0 for each in range(LIMIT_NUMBER-nullCount)]

def numberList(numberStr):
    return [int(each) for each in numberStr]

def withNullList(numberStr):
    return nullList(len(numberStr)) + numberList(numberStr)

class PrimaryArithmeticTest(unittest.TestCase):
    def testCarry(self):
        testSet = [
                ['123','456',0],
                ['555','555',3],
                ['123','594',1],
                ['103','597',2],
                ['1234','123',0],
                ['1234','236',1],
                ['999999999','1',9]
                ]
        for eachTest in testSet:
            one,two,expected= eachTest
            self.assertEquals(expected,carryCount(one,two))

    def testCarryOne(self):
        self.assert_(not hasCarry(3,5))
        self.assert_(hasCarry(5,5))
        self.assert_(hasCarry(8,5))

    def testToList(self):
        self.assertEquals([0,0,0,0,0,0,0,1,2,3], withNullList('123'))
        self.assertEquals([0,0,0,0,0,0,0,5,5,5], withNullList('555'))

def main():
    f=open("input.txt")
    for eachLine in f:
        one,two = eachLine.split()
        if one == '0' and two == '0':
            break

        count = carryCount(one,two)
        if count == 0: count = "No"
        if count > 1: operationMessage = "operations"
        else: operationMessage = "operation"

        print "%s carry %s." % (count, operationMessage)
    f.close()


if __name__=="__main__":
    unittest.main(argv=('','-v'))
    #main()