def translate_ref_to_arabic(self, ref_words_list):
# convert amount pattern to abrabic
roman_nums = []
for item in ref_words_list:
if item in self.words_book:
roman_nums.append(self.words_book[item])
else:
print('Error amount pattern', item)
return None
return RomanNumerals.to_arabic(''.join(roman_nums))
def test_to_arabic(self):
for integer, numeral in self.known_values:
self.assertEqual(RomanNumerals.to_arabic(numeral), integer)