commit c834082c59abe6ae6d2e065e1a5afac2d399a612 Author: Isis Lovecruft isis@torproject.org Date: Tue Nov 19 03:53:56 2013 +0000

Add unittests for the bridgedb.crypto module. --- lib/bridgedb/test/test_crypto.py | 57 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+)

diff --git a/lib/bridgedb/test/test_crypto.py b/lib/bridgedb/test/test_crypto.py new file mode 100644 index 0000000..2e6894e --- /dev/null +++ b/lib/bridgedb/test/test_crypto.py @@ -0,0 +1,57 @@ +# -*- coding: utf-8 -*- +# +# This file is part of BridgeDB, a Tor bridge distribution system. +# +# :authors: Isis Lovecruft 0xA3ADB67A2CDB8B35 isis@torproject.org +# please also see AUTHORS file +# :copyright: (c) 2013, Isis Lovecruft +# (c) 2007-2013, The Tor Project, Inc. +# (c) 2007-2013, all entities within the AUTHORS file +# :license: 3-Clause BSD, see LICENSE for licensing information + +"""Unittests for :mod:`bridgedb.crypto`.""" + +from __future__ import print_function +from __future__ import unicode_literals + +import os + +from twisted.trial import unittest +from bridgedb import crypto + + +SEKRIT_KEY = b'v\x16Xm\xfc\x1b}\x063\x85\xaa\xa5\xf9\xad\x18\xb2P\x93\xc6k\xf9' +SEKRIT_KEY += b'\x8bI\xd9\xb8xw\xf5\xec\x1b\x7f\xa8' + + +class CryptoTest(unittest.TestCase): + + def test_getKey_nokey(self): + """Test retrieving the secret_key from an empty file.""" + filename = os.path.join(os.getcwd(), 'sekrit') + key = crypto.getKey(filename) + self.failUnlessIsInstance(key, basestring, + "key isn't a string! type=%r" % type(key)) + + def test_getKey_tmpfile(self): + """Test retrieving the secret_key from a new tmpfile.""" + filename = self.mktemp() + key = crypto.getKey(filename) + self.failUnlessIsInstance(key, basestring, + "key isn't a string! type=%r" % type(key)) + + def test_getKey_keyexists(self): + """Write the example key to a file and test reading it back.""" + filename = self.mktemp() + with open(filename, 'wb') as fh: + fh.write(SEKRIT_KEY) + fh.flush() + + key = crypto.getKey(filename) + self.failUnlessIsInstance(key, basestring, + "key isn't a string! type=%r" % type(key)) + self.assertEqual(SEKRIT_KEY, key, + """The example key and the one read from file differ! + key (in hex): %s + SEKRIT_KEY (in hex): %s""" + % (key.encode('hex'), SEKRIT_KEY.encode('hex')))