aprs-python/tests/test_base91.py

107 lines
2.8 KiB
Python

import unittest
from aprs import base91
class a_FromDecimal(unittest.TestCase):
def test_valid_input(self):
testData = [
[0, '!'],
[1, '"'],
[90, '{'],
[91, '"!'],
]
# 91**1 = "!
# 91**2 = "!!
# 91**3 = "!!!
# etc
testData += [[91**i, '"' + '!'*i] for i in xrange(20)]
for n, expected in testData:
self.assertEqual(expected, base91.from_decimal(n))
def test_invalid_input_type(self):
testData = ['0', '1', 1.0, None, [0]]
for n in testData:
self.assertRaises(ValueError, base91.from_decimal, n)
def test_invalid_input_range(self):
testData = [-10000, -5, -1]
for n in testData:
self.assertRaises(ValueError, base91.from_decimal, n)
def test_valid_padding(self):
testData = [1, 2, 5, 10, 100]
for n in testData:
self.assertEqual(n, len(base91.from_decimal(0, n)))
def test_invalid_padding(self):
testData = [0, -1, -100]
for n in testData:
self.assertRaises(ValueError, base91.from_decimal, 0, padding=n)
class b_ToDecimal(unittest.TestCase):
def test_valid_input(self):
testData = [
[0, '!'],
[0, '!!!!!!!!!'],
[1, '"'],
[1, '!!"'],
[90, '{'],
[90, '!{'],
[91, '"!'],
[91, '!!!"!'],
]
# 91**1 = "!
# 91**2 = "!!
# 91**3 = "!!!
# etc
testData += [[91**i, '"' + '!'*i] for i in xrange(20)]
for expected, n in testData:
self.assertEqual(expected, base91.to_decimal(n))
def test_invalid_input_type(self):
testData = [-1, 0, 5, unicode('a'), None, ['d']]
for n in testData:
self.assertRaises(TypeError, base91.to_decimal, n)
def test_invalid_input(self):
# test for every value outside of the accepted range
testData = [chr(i) for i in range(ord('!'))+range(ord('{')+1, 256)]
# same as above, except each value is prefix with a valid char
testData += ['!'+c for c in testData]
for n in testData:
self.assertRaises(ValueError, base91.to_decimal, n)
class c_Both(unittest.TestCase):
def test_from_decimal_to_decimal(self):
for number in xrange(91**2 + 5):
text = base91.from_decimal(number)
result = base91.to_decimal(text)
self.assertEqual(result, number)
def test_stability(self):
for number in xrange(50):
largeN = 91 ** number
text = base91.from_decimal(largeN)
result = base91.to_decimal(text)
self.assertEqual(result, largeN)
if __name__ == '__main__':
unittest.main()