def test_wrong_letter(self):
self.assertEqual(decimal('CCXASDASHDUASBD'),
'Input is not a roman number')
def test_romandecimal_845(self):
self.assertEqual(decimal('DCCCXLV'), 845)
def test_romandecimal_3999(self):
self.assertEqual(decimal('MMMCMXCIX'), 3999)
def test_romandecimal_four(self):
self.assertEqual(decimal('IV'), 4)
def test_romandecimal_nine(self):
self.assertEqual(decimal('IX'), 9)
def test_romandecimal_three(self):
self.assertEqual(decimal('III'), 3)
def test_romandecimal_two(self):
self.assertEqual(decimal('II'), 2)
def test_romandecimal_one(self):
self.assertEqual(decimal('I'), 1)
def roman_to_roman(romano):
return roman(decimal(romano))
def test_all(self):
for number in xrange(1, 4):
roman_result = roman(number)
result = decimal(roman_result)
self.assertEqual(number, result)