gistfile1.py

from recipe7 import *

class RomanNumeralTester(object):
    def __init__(self):
        self.cvt = RomanNumeralConverter()

    def simple_test(self):
        print "+++ Converting M to 1000"
        assert self.cvt.convert_to_decimal("M") == 1000

    def combo_test1(self):
        print "+++ Converting MMX to 2010"
        assert self.cvt.convert_to_decimal("MMXX") == 2010

    def combo_test2(self):
        print "+++ Converting MMMMDCLXVIII to 4668"
        val = self.cvt.convert_to_decimal("MMMMDCLXVII")
        self.check(val, 4668)

    def other_test(self):
        print "+++ Converting MMMM to 4000"
        val = self.cvt.convert_to_decimal("MMMM")
        self.check(val, 4000)

    def check(self, actual, expected):
        if (actual != expected):
            raise AssertionError("%s doesn't equal %s" % \
                    (actual, expected))

    def test_the_system(self):
        self.simple_test()
        self.combo_test1()
        self.combo_test2()
        self.other_test()

if __name__ == "__main__":
    tester = RomanNumeralTester()
    tester.test_the_system()