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from unittest import TestCase
from django.utils.baseconv import base2, base16, base36, base56, base62, base64, BaseConverter
from django.utils.six.moves import xrange
class TestBaseConv(TestCase):
def test_baseconv(self):
nums = [-10 ** 10, 10 ** 10] + list(xrange(-100, 100))
for converter in [base2, base16, base36, base56, base62, base64]:
for i in nums:
self.assertEqual(i, converter.decode(converter.encode(i)))
def test_base11(self):
base11 = BaseConverter('0123456789-', sign='$')
self.assertEqual(base11.encode(1234), '-22')
self.assertEqual(base11.decode('-22'), 1234)
self.assertEqual(base11.encode(-1234), '$-22')
self.assertEqual(base11.decode('$-22'), -1234)
def test_base20(self):
base20 = BaseConverter('0123456789abcdefghij')
self.assertEqual(base20.encode(1234), '31e')
self.assertEqual(base20.decode('31e'), 1234)
self.assertEqual(base20.encode(-1234), '-31e')
self.assertEqual(base20.decode('-31e'), -1234)
def test_base64(self):
self.assertEqual(base64.encode(1234), 'JI')
self.assertEqual(base64.decode('JI'), 1234)
self.assertEqual(base64.encode(-1234), '$JI')
self.assertEqual(base64.decode('$JI'), -1234)
def test_base7(self):
base7 = BaseConverter('cjdhel3', sign='g')
self.assertEqual(base7.encode(1234), 'hejd')
self.assertEqual(base7.decode('hejd'), 1234)
self.assertEqual(base7.encode(-1234), 'ghejd')
self.assertEqual(base7.decode('ghejd'), -1234)
def test_exception(self):
self.assertRaises(ValueError, BaseConverter, 'abc', sign='a')
self.assertTrue(isinstance(BaseConverter('abc', sign='d'), BaseConverter))
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