class RomanNumeralConverter(object):
def __init__(self, roman_numeral):
self.roman_numeral = roman_numeral
self.digit_map = {"M":1000, "D":500, "C":100, "L":50, "X":10,
"V":5, "I":1}
def convert_to_decimal(self):
val = 0
for char in self.roman_numeral:
val += self.digit_map[char]
return val
import unittest
class RomanNumeralConverterTest(unittest.TestCase):
def test_parsing_millenia(self):
value = RomanNumeralConverter("M")
self.assertEquals(1000, value.convert_to_decimal())
def test_parsing_century(self):
'''THIS is a error test case'''
value = RomanNumeralConverter("C")
self.assertEquals(10, value.convert_to_decimal())
if __name__ == "__main__":
suite = unittest.TestLoader().loadTestsFromTestCase(RomanNumeralConverterTest)
unittest.TextTestRunner(verbosity=2).run(suite)
运行结果如下图所示：
这就是测试用例失败的样子。
希望本文所述对大家的Python程序设计有所帮助
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