168 lines
6.8 KiB
Python
168 lines
6.8 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
#
|
||
|
|
# SelfTest/Util/test_generic.py: Self-test for the Crypto.Random.new() function
|
||
|
|
#
|
||
|
|
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
|
||
|
|
#
|
||
|
|
# ===================================================================
|
||
|
|
# The contents of this file are dedicated to the public domain. To
|
||
|
|
# the extent that dedication to the public domain is not available,
|
||
|
|
# everyone is granted a worldwide, perpetual, royalty-free,
|
||
|
|
# non-exclusive license to exercise all rights associated with the
|
||
|
|
# contents of this file for any purpose whatsoever.
|
||
|
|
# No rights are reserved.
|
||
|
|
#
|
||
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||
|
|
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||
|
|
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
|
|
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
# SOFTWARE.
|
||
|
|
# ===================================================================
|
||
|
|
|
||
|
|
"""Self-test suite for Crypto.Random.new()"""
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import unittest
|
||
|
|
from Crypto.Util.py3compat import b
|
||
|
|
|
||
|
|
class SimpleTest(unittest.TestCase):
|
||
|
|
def runTest(self):
|
||
|
|
"""Crypto.Random.new()"""
|
||
|
|
# Import the Random module and try to use it
|
||
|
|
from Crypto import Random
|
||
|
|
randobj = Random.new()
|
||
|
|
x = randobj.read(16)
|
||
|
|
y = randobj.read(16)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
z = Random.get_random_bytes(16)
|
||
|
|
self.assertNotEqual(x, z)
|
||
|
|
self.assertNotEqual(y, z)
|
||
|
|
# Test the Random.random module, which
|
||
|
|
# implements a subset of Python's random API
|
||
|
|
# Not implemented:
|
||
|
|
# seed(), getstate(), setstate(), jumpahead()
|
||
|
|
# random(), uniform(), triangular(), betavariate()
|
||
|
|
# expovariate(), gammavariate(), gauss(),
|
||
|
|
# longnormvariate(), normalvariate(),
|
||
|
|
# vonmisesvariate(), paretovariate()
|
||
|
|
# weibullvariate()
|
||
|
|
# WichmannHill(), whseed(), SystemRandom()
|
||
|
|
from Crypto.Random import random
|
||
|
|
x = random.getrandbits(16*8)
|
||
|
|
y = random.getrandbits(16*8)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
# Test randrange
|
||
|
|
if x>y:
|
||
|
|
start = y
|
||
|
|
stop = x
|
||
|
|
else:
|
||
|
|
start = x
|
||
|
|
stop = y
|
||
|
|
for step in range(1,10):
|
||
|
|
x = random.randrange(start,stop,step)
|
||
|
|
y = random.randrange(start,stop,step)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
self.assertEqual(start <= x < stop, True)
|
||
|
|
self.assertEqual(start <= y < stop, True)
|
||
|
|
self.assertEqual((x - start) % step, 0)
|
||
|
|
self.assertEqual((y - start) % step, 0)
|
||
|
|
for i in range(10):
|
||
|
|
self.assertEqual(random.randrange(1,2), 1)
|
||
|
|
self.assertRaises(ValueError, random.randrange, start, start)
|
||
|
|
self.assertRaises(ValueError, random.randrange, stop, start, step)
|
||
|
|
self.assertRaises(TypeError, random.randrange, start, stop, step, step)
|
||
|
|
self.assertRaises(TypeError, random.randrange, start, stop, "1")
|
||
|
|
self.assertRaises(TypeError, random.randrange, "1", stop, step)
|
||
|
|
self.assertRaises(TypeError, random.randrange, 1, "2", step)
|
||
|
|
self.assertRaises(ValueError, random.randrange, start, stop, 0)
|
||
|
|
# Test randint
|
||
|
|
x = random.randint(start,stop)
|
||
|
|
y = random.randint(start,stop)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
self.assertEqual(start <= x <= stop, True)
|
||
|
|
self.assertEqual(start <= y <= stop, True)
|
||
|
|
for i in range(10):
|
||
|
|
self.assertEqual(random.randint(1,1), 1)
|
||
|
|
self.assertRaises(ValueError, random.randint, stop, start)
|
||
|
|
self.assertRaises(TypeError, random.randint, start, stop, step)
|
||
|
|
self.assertRaises(TypeError, random.randint, "1", stop)
|
||
|
|
self.assertRaises(TypeError, random.randint, 1, "2")
|
||
|
|
# Test choice
|
||
|
|
seq = list(range(10000))
|
||
|
|
x = random.choice(seq)
|
||
|
|
y = random.choice(seq)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
self.assertEqual(x in seq, True)
|
||
|
|
self.assertEqual(y in seq, True)
|
||
|
|
for i in range(10):
|
||
|
|
self.assertEqual(random.choice((1,2,3)) in (1,2,3), True)
|
||
|
|
self.assertEqual(random.choice([1,2,3]) in [1,2,3], True)
|
||
|
|
if sys.version_info[0] is 3:
|
||
|
|
self.assertEqual(random.choice(bytearray(b('123'))) in bytearray(b('123')), True)
|
||
|
|
self.assertEqual(1, random.choice([1]))
|
||
|
|
self.assertRaises(IndexError, random.choice, [])
|
||
|
|
self.assertRaises(TypeError, random.choice, 1)
|
||
|
|
# Test shuffle. Lacks random parameter to specify function.
|
||
|
|
# Make copies of seq
|
||
|
|
seq = list(range(500))
|
||
|
|
x = list(seq)
|
||
|
|
y = list(seq)
|
||
|
|
random.shuffle(x)
|
||
|
|
random.shuffle(y)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
self.assertEqual(len(seq), len(x))
|
||
|
|
self.assertEqual(len(seq), len(y))
|
||
|
|
for i in range(len(seq)):
|
||
|
|
self.assertEqual(x[i] in seq, True)
|
||
|
|
self.assertEqual(y[i] in seq, True)
|
||
|
|
self.assertEqual(seq[i] in x, True)
|
||
|
|
self.assertEqual(seq[i] in y, True)
|
||
|
|
z = [1]
|
||
|
|
random.shuffle(z)
|
||
|
|
self.assertEqual(z, [1])
|
||
|
|
if sys.version_info[0] == 3:
|
||
|
|
z = bytearray(b('12'))
|
||
|
|
random.shuffle(z)
|
||
|
|
self.assertEqual(b('1') in z, True)
|
||
|
|
self.assertRaises(TypeError, random.shuffle, b('12'))
|
||
|
|
self.assertRaises(TypeError, random.shuffle, 1)
|
||
|
|
self.assertRaises(TypeError, random.shuffle, "11")
|
||
|
|
self.assertRaises(TypeError, random.shuffle, (1,2))
|
||
|
|
# 2to3 wraps a list() around it, alas - but I want to shoot
|
||
|
|
# myself in the foot here! :D
|
||
|
|
# if sys.version_info[0] == 3:
|
||
|
|
# self.assertRaises(TypeError, random.shuffle, range(3))
|
||
|
|
# Test sample
|
||
|
|
x = random.sample(seq, 20)
|
||
|
|
y = random.sample(seq, 20)
|
||
|
|
self.assertNotEqual(x, y)
|
||
|
|
for i in range(20):
|
||
|
|
self.assertEqual(x[i] in seq, True)
|
||
|
|
self.assertEqual(y[i] in seq, True)
|
||
|
|
z = random.sample([1], 1)
|
||
|
|
self.assertEqual(z, [1])
|
||
|
|
z = random.sample((1,2,3), 1)
|
||
|
|
self.assertEqual(z[0] in (1,2,3), True)
|
||
|
|
z = random.sample("123", 1)
|
||
|
|
self.assertEqual(z[0] in "123", True)
|
||
|
|
z = random.sample(list(range(3)), 1)
|
||
|
|
self.assertEqual(z[0] in range(3), True)
|
||
|
|
if sys.version_info[0] == 3:
|
||
|
|
z = random.sample(b("123"), 1)
|
||
|
|
self.assertEqual(z[0] in b("123"), True)
|
||
|
|
z = random.sample(bytearray(b("123")), 1)
|
||
|
|
self.assertEqual(z[0] in bytearray(b("123")), True)
|
||
|
|
self.assertRaises(TypeError, random.sample, 1)
|
||
|
|
|
||
|
|
def get_tests(config={}):
|
||
|
|
return [SimpleTest()]
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
suite = lambda: unittest.TestSuite(get_tests())
|
||
|
|
unittest.main(defaultTest='suite')
|
||
|
|
|
||
|
|
# vim:set ts=4 sw=4 sts=4 expandtab:
|