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# Copyright 2018 NTT Corporation
#
# 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.
import base64
import subprocess
from unittest import mock
from novaclient import crypto
from novaclient.tests.unit import utils
class CryptoTest(utils.TestCase):
def setUp(self):
super(CryptoTest, self).setUp()
# The password string that passed as the method argument
self.password_string = 'Test Password'
# The return value of Popen.communicate
self.decrypt_password = b'Decrypt Password'
self.private_key = 'Test Private Key'
@mock.patch('subprocess.Popen')
def test_decrypt_password(self, mock_open):
mocked_proc = mock.Mock()
mock_open.return_value = mocked_proc
mocked_proc.returncode = 0
mocked_proc.communicate.return_value = (self.decrypt_password, '')
decrypt_password = crypto.decrypt_password(self.private_key,
self.password_string)
# The return value is 'str' in both python 2 and python 3
self.assertIsInstance(decrypt_password, str)
self.assertEqual('Decrypt Password', decrypt_password)
mock_open.assert_called_once_with(
['openssl', 'rsautl', '-decrypt', '-inkey', self.private_key],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
mocked_proc.communicate.assert_called_once_with(
base64.b64decode(self.password_string))
mocked_proc.stdin.close.assert_called_once_with()
@mock.patch('subprocess.Popen')
def test_decrypt_password_failure(self, mock_open):
mocked_proc = mock.Mock()
mock_open.return_value = mocked_proc
mocked_proc.returncode = 1 # Error case
mocked_proc.communicate.return_value = (self.decrypt_password, '')
self.assertRaises(crypto.DecryptionFailure, crypto.decrypt_password,
self.private_key, self.password_string)
mock_open.assert_called_once_with(
['openssl', 'rsautl', '-decrypt', '-inkey', self.private_key],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
mocked_proc.communicate.assert_called_once_with(
base64.b64decode(self.password_string))
mocked_proc.stdin.close.assert_called_once_with()
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