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cipherscan/cscan_tests/test_extensions.py

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# Copyright (c) 2015 Hubert Kario
# Released under Mozilla Public License Version 2.0
try:
import unittest2 as unittest
except ImportError:
import unittest
from tlslite.utils.codec import Parser
from cscan.extensions import KeyShareExtension
from cscan.constants import GroupName
class TestKeyShareExtension(unittest.TestCase):
def test___init__(self):
ext = KeyShareExtension()
self.assertIsNotNone(ext)
def test_create(self):
ext = KeyShareExtension()
ext.create([(1, bytearray(b'\x12')),
(2, bytearray(b'\x33'))])
self.assertEqual(ext.client_shares, [(1, bytearray(b'\x12')),
(2, bytearray(b'\x33'))])
def test_write(self):
ext = KeyShareExtension()
ext.create([(GroupName.secp256r1, bytearray(b'\xff\xfa')),
(GroupName.ffdhe2048, bytearray(b'\xaf\xaa'))])
data = ext.write()
self.assertEqual(data, bytearray(
b'\x00\x2a\x00\x0d'
b'\x00\x0b'
b'\x00\x17\x02\xff\xfa'
b'\x01\x00\x00\x02\xaf\xaa'))
def test_write_with_no_data(self):
ext = KeyShareExtension()
data = ext.write()
self.assertEqual(data, bytearray(b'\x00\x2a\x00\x00'))
def test_parse(self):
parser = Parser(bytearray(
#b'\x00\x2a\x00\x0d'
b'\x00\x0b'
b'\x00\x17\x02\xff\xfa'
b'\x01\x00\x00\x02\xaf\xaa'))
ext = KeyShareExtension()
ext.parse(parser)
self.assertEqual(ext.client_shares,
[(GroupName.secp256r1, bytearray(b'\xff\xfa')),
(GroupName.ffdhe2048, bytearray(b'\xaf\xaa'))])
def test_parse_with_no_data(self):
parser = Parser(bytearray())
ext = KeyShareExtension()
ext.parse(parser)
self.assertIsNone(ext.client_shares)
def test___repr__(self):
ext = KeyShareExtension()
ext.create([(1, bytearray(b'\xff'))])
self.assertEqual("KeyShareExtension([(1, bytearray(b\'\\xff\'))])",
repr(ext))