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#!/usr/bin/python
#
# Copyright 2008 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Testcases to test behavior of Keyczart.
@author: arkajit.dey@gmail.com (Arkajit Dey)
"""
import unittest
from keyczar import readers
from keyczar import writers
from keyczar import keyczart
from keyczar import keyczar
from keyczar import keyinfo
class KeyczartTest(unittest.TestCase):
def setUp(self):
self.mock = readers.MockReader('TEST', keyinfo.ENCRYPT, keyinfo.AES)
self.mock.AddKey(42, keyinfo.PRIMARY)
self.mock.AddKey(77, keyinfo.ACTIVE)
self.mock.AddKey(99, keyinfo.INACTIVE)
keyczart.mock = self.mock # enable testing
def testCreate(self):
keyczart.main(['create', '--name=testCreate',
'--purpose=crypt', '--asymmetric=rsa'])
self.assertEquals('testCreate', self.mock.kmd.name)
self.assertEquals(keyinfo.DECRYPT_AND_ENCRYPT, self.mock.kmd.purpose)
self.assertEquals(keyinfo.RSA_PRIV, self.mock.kmd.type)
def testAddKey(self):
self.assertEquals(3, self.mock.numkeys)
keyczart.main(['addkey', '--status=primary'])
self.assertEquals(4, self.mock.numkeys)
# The next version number will be 100, since the previous max was 99
self.assertEquals(keyinfo.PRIMARY, self.mock.GetStatus(100))
self.assertEquals(keyinfo.ACTIVE, self.mock.GetStatus(42))
def testAddKeySizeFlag(self):
keyczart.main(['addkey', '--size=256'])
self.assertEquals(256, self.mock.GetKeySize(100))
def testAddKeyCrypterCreatesCrypter(self):
self.dummy_location = None
def dummyCreateCrypter(location):
self.dummy_location = location
return self.mock
keyczart._CreateCrypter = dummyCreateCrypter
keyczart.main(['addkey', '--crypter=foo'])
self.assertEquals(self.dummy_location, 'foo')
def testPubKey(self):
pubmock = readers.MockReader('PUBTEST', keyinfo.DECRYPT_AND_ENCRYPT,
keyinfo.RSA_PRIV)
pubmock.AddKey(33, keyinfo.PRIMARY, 1024) # small key size for fast tests
keyczart.mock = pubmock # use pubmock instead
self.assertEquals(None, pubmock.pubkmd)
keyczart.main(['pubkey'])
self.assertNotEqual(None, pubmock.pubkmd)
self.assertEquals('PUBTEST', pubmock.pubkmd.name)
self.assertEquals(keyinfo.ENCRYPT, pubmock.pubkmd.purpose)
self.assertEquals(keyinfo.RSA_PUB, pubmock.pubkmd.type)
self.assertTrue(pubmock.HasPubKey(33))
def testPromote(self):
keyczart.main(['promote', '--version=77'])
self.assertEquals(keyinfo.PRIMARY, self.mock.GetStatus(77))
self.assertEquals(keyinfo.ACTIVE, self.mock.GetStatus(42))
def testDemote(self):
keyczart.main(['demote', '--version=77'])
self.assertEquals(keyinfo.INACTIVE, self.mock.GetStatus(77))
def testRevoke(self):
self.assertTrue(self.mock.ExistsVersion(99))
keyczart.main(['revoke', '--version=99'])
self.assertFalse(self.mock.ExistsVersion(99))
def testWriteIsBackwardCompatible(self):
class MockWriter(writers.Writer):
num_created = 0
def WriteMetadata(self, metadata, overwrite=True):
return
def WriteKey(self, key, version_number, encrypter=None):
return
def Remove(self, version_number):
return
def Close(self):
return
@classmethod
def CreateWriter(cls, location):
MockWriter.num_created += 1
return MockWriter()
generic_keyczar = keyczar.GenericKeyczar(self.mock)
generic_keyczar.Write('foo')
self.assertEquals(1, MockWriter.num_created,
'Write("string") should have created a new writer')
def tearDown(self):
keyczart.mock = None
def suite():
suite = unittest.TestSuite()
suite.addTests(unittest.TestLoader().loadTestsFromTestCase(KeyczartTest))
return suite
if __name__ == "__main__":
unittest.main(defaultTest='suite')
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