"""py-unit tests for GnuPG
COPYRIGHT:
Copyright (C) 2001 Frank J. Tobin, ftobin@neverending.org
LICENSE:
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/copyleft/lesser.html
"""
import unittest
import os
import tempfile
import GnuPGInterface
__author__ = "Frank J. Tobin, ftobin@neverending.org"
__version__ = "0.2.2"
__revision__ = "$Id: unittests.py,v 1.2 2001/08/25 08:21:28 ftobin Exp $"
class BasicTest(unittest.TestCase):
"""an initializer superclass"""
def __init__(self, methodName=None):
self.gnupg = GnuPGInterface.GnuPG()
unittest.TestCase.__init__(self, methodName)
class GnuPGTests(BasicTest):
"""Tests for GnuPG class"""
def __init__(self, methodName=None):
BasicTest.__init__(self, methodName)
self.gnupg.passphrase = "Three blind mice"
self.gnupg.options.armor = 1
self.gnupg.options.meta_interactive = 0
self.gnupg.options.extra_args.append('--no-secmem-warning')
def do_create_fh_operation(self, args, input,
passphrase=None):
creations = ['stdin', 'stdout']
# Make sure we're getting the passphrase to GnuPG
# somehow!
assert passphrase != None or self.gnupg.passphrase != None, \
"No way to send the passphrase to GnuPG!"
# We'll handle the passphrase manually
if passphrase != None: creations.append('passphrase')
proc = self.gnupg.run( args, create_fhs=creations )
if passphrase != None:
proc.handles['passphrase'].write(passphrase)
proc.handles['passphrase'].close()
proc.handles['stdin'].write(input)
proc.handles['stdin'].close()
ciphertext = proc.handles['stdout'].read()
proc.handles['stdout'].close()
# Checking to make sure GnuPG exited successfully
proc.wait()
return ciphertext
def do_attach_fh_operation(self, args, stdin, stdout,
passphrase=None):
# Make sure we're getting the passphrase to GnuPG
# somehow!
assert passphrase != None or self.gnupg.passphrase != None, \
"No way to send the passphrase to GnuPG!"
creations = []
# We'll handle the passphrase manually
if passphrase != None: handles.append('passphrase')
attachments = { 'stdin': stdin, 'stdout': stdout }
proc = self.gnupg.run( args, create_fhs=creations,
attach_fhs=attachments )
if passphrase != None:
proc.handles['passphrase'].write(passphrase)
proc.handles['passphrase'].close()
# Checking to make sure GnuPG exited successfully
proc.wait()
def test_create_fhs_solely(self):
"""Do GnuPG operations using solely the create_fhs feature"""
plaintext = "Three blind mice"
ciphertext = self.do_create_fh_operation( ['--symmetric'],
plaintext )
decryption = self.do_create_fh_operation( ['--decrypt'],
ciphertext,
self.gnupg.passphrase )
assert decryption == plaintext, \
"GnuPG decrypted output does not match original input"
def test_attach_fhs(self):
"""Do GnuPG operations using the attach_fhs feature"""
plaintext_source = '/etc/motd'
plainfile = open(plaintext_source)
temp1 = tempfile.TemporaryFile()
temp2 = tempfile.TemporaryFile()
self.do_attach_fh_operation( ['--symmetric'],
stdin=plainfile, stdout=temp1 )
temp1.seek(0)
self.do_attach_fh_operation( ['--decrypt'],
stdin=temp1, stdout=temp2 )
plainfile.seek(0)
temp2.seek(0)
assert fh_cmp(plainfile, temp2), \
"GnuPG decrypted output does not match original input"
class OptionsTests(BasicTest):
"""Tests for Options class"""
def __init__(self, methodName=None):
BasicTest.__init__(self, methodName)
self.reset_options()
def reset_options(self):
self.gnupg.options = GnuPGInterface.Options()
def option_to_arg(self, option):
return '--' + option.replace('_', '-')
def test_boolean_args(self):
"""test Options boolean options that they generate
proper arguments"""
booleans = [ 'armor', 'no_greeting', 'no_verbose',
'batch', 'always_trust', 'rfc1991',
'quiet', 'openpgp', 'force_v3_sigs',
'no_options', 'textmode' ]
for option in booleans:
self.reset_options()
setattr(self.gnupg.options, option, 1)
arg = self.option_to_arg(option)
should_be = [arg]
result = self.gnupg.options.get_args()
assert should_be == result, \
"failure to set option '%s'; should be %s, but result is %s" \
% (option, should_be, result)
def test_string_args(self):
"""test Options string-taking options that they generate
proper arguments"""
strings = [ 'homedir', 'default_key', 'comment', 'compress_algo',
'options' ]
string_value = 'test-argument'
for option in strings:
self.reset_options()
setattr(self.gnupg.options, option, string_value)
arg = self.option_to_arg(option)
should_be = [arg, string_value]
result = self.gnupg.options.get_args()
assert should_be == result, \
"failure to set option '%s'; should be %s, but result is %s" \
% (option, should_be, result)
def test_list_args(self):
"""test Options string-taking options that they generate
proper arguments"""
lists = [ 'recipients', 'encrypt_to' ]
list_value = ['test1', 'test2']
for option in lists:
self.reset_options()
setattr(self.gnupg.options, option, list_value)
# special case for recipients, since their
# respective argument is 'recipient', not 'recipients'
if option == 'recipients': arg = '--recipient'
else: arg = self.option_to_arg(option)
should_be = []
for v in list_value: should_be.extend([arg, v])
result = self.gnupg.options.get_args()
assert should_be == result, \
"failure to set option '%s'; should be %s, but result is %s" \
% (option, should_be, result)
class PipesTests(unittest.TestCase):
"""Tests for Pipes class"""
def test_constructor(self):
self.pipe = GnuPGInterface.Pipe(1, 2, 0)
assert self.pipe.parent == 1
assert self.pipe.child == 2
assert not self.pipe.direct
########################################################################
def fh_cmp(f1, f2, bufsize=8192):
while 1:
b1 = f1.read(bufsize)
b2 = f2.read(bufsize)
if b1 != b2: return 0
if not b1: return 1
########################################################################
if __name__ == "__main__":
unittest.main()
|