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Don't show this againnumconv / tests.py
- Tag
- 2.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | # -*- coding: utf-8 -*-
"""Test numconv.py"""
from numconv import NumConv, int2str, str2int, BASE85
import unittest
class BaseconvI2s(unittest.TestCase):
"""tests for int2str()"""
def test_i2s(self):
"""testing int2str: expected values"""
self.assertEqual(int2str(3735928559, 16), 'DEADBEEF')
self.assertEqual(int2str(238327, 62), 'zzz')
self.assertEqual(int2str(14776335, 62), 'zzzz')
self.assertEqual(int2str(466, 7), '1234')
self.assertEqual(int2str(151880, 2), '100101000101001000')
self.assertEqual(int2str(2693233728041137, 85), '~123AFz@')
self.assertEqual(int2str(543543, 40), '8JSN')
self.assertEqual(int2str(1949459, 61), '8ZtL')
self.assertEqual(int2str(19284, 2), '100101101010100')
self.assertEqual(int2str(100, 10, 'abcdefghijklm'), 'baa')
self.assertEqual(int2str(37, 4, 'rofl'), 'foo')
def test_i2s_nonint_number(self):
"""testing int2str: error on non-integer number"""
self.assertRaises(TypeError, int2str, 0.1, 8)
def test_i2s_nonint_radix(self):
"""testing int2str: error on non-integer radix"""
self.assertRaises(TypeError, int2str, 100, 0.1)
def test_i2s_invalid_radix(self):
"""testing int2str: error on invalid radix"""
self.assertRaises(ValueError, int2str, 100, -10)
self.assertRaises(ValueError, int2str, 100, 10, 'abcde')
def test_i2s_negative_number(self):
"""testing int2str: error on negative number"""
self.assertRaises(ValueError, int2str, -100, 10)
class BaseconvS2i(unittest.TestCase):
"""tests for str2int()"""
def test_s2i(self):
"""testing str2int: expected values"""
self.assertEqual(str2int('DEADBEEF', 16), 3735928559)
self.assertEqual(str2int('zzz', 62), 238327)
self.assertEqual(str2int('zzzz', 62), 14776335)
self.assertEqual(str2int('1234', 7), 466)
self.assertEqual(str2int('100101000101001000', 2), 151880)
self.assertEqual(str2int('~123AFz@', 85), 2693233728041137)
self.assertEqual(str2int('8JSN', 40), 543543)
self.assertEqual(str2int('8ZtL', 61), 1949459)
self.assertEqual(str2int('100101101010100', 2), 19284)
self.assertEqual(str2int('baa', 10, 'abcdefghijklm'), 100)
self.assertEqual(str2int('foo', 4, 'rofl'), 37)
def test_s2i_nonint_base(self):
"""testing str2int: error on non-integer base"""
self.assertRaises(TypeError, str2int, '100', 0.1)
def test_s2i_bad_number(self):
"""testing str2int: error on invalid number"""
# raised by python
self.assertRaises(ValueError, str2int, '1234z', 8)
# raised by numconv.py
self.assertRaises(ValueError, str2int, '1234z', 37)
def test_s2i_invalid_radix(self):
"""testing str2int: error on invalid radix"""
self.assertRaises(ValueError, str2int, 'abcd', -10)
class BaseconvCmap(unittest.TestCase):
"""tests for getcmap()"""
def test_get_cmap(self):
"""testing get_cmap: expected values"""
self.assertEqual(NumConv(alphabet='0123456789').cached_map,
{'0': 0, '1': 1, '2': 2, '3': 3, '4': 4,
'5': 5, '6': 6, '7': 7, '8': 8, '9': 9})
self.assertEqual(NumConv(radix=4, alphabet='abcd').cached_map,
{'a': 0, 'b': 1, 'c': 2, 'd': 3})
def test_getcmap_dupechars(self):
"""testing getcmap: error on alphabet with duplicate chars"""
self.assertRaises(ValueError, NumConv, 6, 'abcdaf')
class BaseconvSanity(unittest.TestCase):
"""sanity checks"""
def test_sanity(self):
"""sanity check: testing a large interval and lots of radixes"""
for radix in range(2, len(BASE85)):
ncobj = NumConv(radix)
for num in list(range(1000)) + [10 ** x for x in range(5, 15)]:
self.assertEqual(num, ncobj.str2int(ncobj.int2str(num)))
if __name__ == "__main__":
unittest.main()
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