Claudiu Popa db69c62216 Improve the test coverage by a couple of percents
This patch adds some missing tests for a couple of edge cases.

Change-Id: I3929595fddca0628269af6235bbb0fca853ae3eb
2015-03-25 23:00:52 +02:00

67 lines
2.3 KiB
Python
Executable File

# Copyright 2014 Cloudbase Solutions Srl
#
# 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 subprocess
import sys
import unittest
try:
import unittest.mock as mock
except ImportError:
import mock
from cloudbaseinit.osutils import base
class BaseOSUtilsTests(unittest.TestCase):
def setUp(self):
self._base = base.BaseOSUtils()
@mock.patch('sys.stdout')
@mock.patch('subprocess.Popen')
@mock.patch('subprocess.PIPE')
def test_execute_process(self, mock_PIPE, mock_Popen, mock_stdout):
args = [mock.sentinel.fake_arg]
mock_p = mock.MagicMock()
mock_out = mock.MagicMock()
mock_err = mock.MagicMock()
mock_Popen.return_value = mock_p
mock_p.communicate.return_value = (mock_out, mock_err)
response = self._base.execute_process(args, shell=True,
decode_output=True)
mock_Popen.assert_called_once_with(args, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, shell=True)
mock_p.communicate.assert_called_once_with()
if sys.version_info < (3, 0):
mock_out.decode.assert_called_once_with(mock_stdout.encoding)
mock_err.decode.assert_called_once_with(mock_stdout.encoding)
self.assertEqual((mock_out.decode.return_value,
mock_err.decode.return_value, mock_p.returncode),
response)
else:
self.assertEqual((mock_out, mock_err, mock_p.returncode), response)
@mock.patch('os.urandom')
def test_generate_random_password(self, mock_urandom):
mock_urandom.return_value = b"test"
response = self._base.generate_random_password(20)
mock_urandom.assert_called_once_with(256)
self.assertEqual("dGVzdA==", response)