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https://github.com/kennethreitz/dive-into-python3.git
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Mark Pilgrim
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
"""Unit test for roman1.py
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This program is part of "Dive Into Python 3", a free Python book for
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experienced programmers. Visit http://diveintopython3.org/ for the
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latest version.
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"""
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import roman2
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import unittest
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class KnownValues(unittest.TestCase):
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known_values = ( (1, 'I'),
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(2, 'II'),
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(3, 'III'),
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(4, 'IV'),
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(5, 'V'),
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(6, 'VI'),
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(7, 'VII'),
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(8, 'VIII'),
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(9, 'IX'),
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(10, 'X'),
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(50, 'L'),
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(100, 'C'),
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(500, 'D'),
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(1000, 'M'),
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(31, 'XXXI'),
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(148, 'CXLVIII'),
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(294, 'CCXCIV'),
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(312, 'CCCXII'),
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(421, 'CDXXI'),
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(528, 'DXXVIII'),
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(621, 'DCXXI'),
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(782, 'DCCLXXXII'),
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(870, 'DCCCLXX'),
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(941, 'CMXLI'),
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(1043, 'MXLIII'),
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(1110, 'MCX'),
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(1226, 'MCCXXVI'),
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(1301, 'MCCCI'),
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(1485, 'MCDLXXXV'),
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(1509, 'MDIX'),
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(1607, 'MDCVII'),
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(1754, 'MDCCLIV'),
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(1832, 'MDCCCXXXII'),
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(1993, 'MCMXCIII'),
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(2074, 'MMLXXIV'),
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(2152, 'MMCLII'),
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(2212, 'MMCCXII'),
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(2343, 'MMCCCXLIII'),
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(2499, 'MMCDXCIX'),
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(2574, 'MMDLXXIV'),
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(2646, 'MMDCXLVI'),
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(2723, 'MMDCCXXIII'),
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(2892, 'MMDCCCXCII'),
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(2975, 'MMCMLXXV'),
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(3051, 'MMMLI'),
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(3185, 'MMMCLXXXV'),
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(3250, 'MMMCCL'),
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(3313, 'MMMCCCXIII'),
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(3408, 'MMMCDVIII'),
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(3501, 'MMMDI'),
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(3610, 'MMMDCX'),
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(3743, 'MMMDCCXLIII'),
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(3844, 'MMMDCCCXLIV'),
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(3888, 'MMMDCCCLXXXVIII'),
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(3940, 'MMMCMXL'),
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(3999, 'MMMCMXCIX'))
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def test_to_roman_known_values(self):
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"""to_roman should give known result with known input"""
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for integer, numeral in self.known_values:
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result = roman2.to_roman(integer)
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self.assertEqual(numeral, result)
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class ToRomanBadInput(unittest.TestCase):
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def test_too_large(self):
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"""to_roman should fail with large input"""
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self.assertRaises(roman2.OutOfRangeError, roman2.to_roman, 4000)
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if __name__ == "__main__":
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unittest.main()
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