vmware-nsx/quantum/tests/unit/test_agent_linux_utils.py
Mark McClain 0ade06453c LBaaS Agent Reference Implementation
implements blueprint lbaas-namespace-agent

This a reference implemention of the Quantum load balancing service
using HAProxy.  The implemention is designed for vendors, developers,
and deployers to become familiar with the API and service workflow.

This change also adds some constraint checks for data integrity.

Change-Id: I10a67da11840477ccf063b98149f4f77248802a1
2013-02-27 21:49:57 -05:00

91 lines
3.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012, Nicira, 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.
# @author: Dan Wendlandt, Nicira, Inc.
import mock
import testtools
from quantum.agent.linux import utils
class AgentUtilsExecuteTest(testtools.TestCase):
def setUp(self):
super(AgentUtilsExecuteTest, self).setUp()
self.root_helper = "echo"
self.test_file = "/tmp/test_execute.tmp"
open(self.test_file, 'w').close()
def test_without_helper(self):
result = utils.execute(["ls", self.test_file])
self.assertEqual(result, "%s\n" % self.test_file)
def test_with_helper(self):
result = utils.execute(["ls", self.test_file],
self.root_helper)
self.assertEqual(result, "ls %s\n" % self.test_file)
def test_stderr(self):
stdout, stderr = utils.execute(["ls", self.test_file],
return_stderr=True)
self.assertEqual(stdout, "%s\n" % self.test_file)
self.assertEqual(stderr, "")
def test_check_exit_code(self):
stdout = utils.execute(["ls", self.test_file[:-1]],
check_exit_code=False)
self.assertEqual(stdout, "")
self.assertRaises(RuntimeError, utils.execute,
["ls", self.test_file[:-1]])
def test_process_input(self):
result = utils.execute(["cat"], process_input="%s\n" %
self.test_file[:-1])
self.assertEqual(result, "%s\n" % self.test_file[:-1])
def test_with_addl_env(self):
result = utils.execute(["ls", self.test_file],
addl_env={'foo': 'bar'})
self.assertEqual(result, "%s\n" % self.test_file)
class AgentUtilsGetInterfaceMAC(testtools.TestCase):
def test_get_interface_mac(self):
expect_val = '01:02:03:04:05:06'
with mock.patch('fcntl.ioctl') as ioctl:
ioctl.return_value = ''.join(['\x00' * 18,
'\x01\x02\x03\x04\x05\x06',
'\x00' * 232])
actual_val = utils.get_interface_mac('eth0')
self.assertEqual(actual_val, expect_val)
class AgentUtilsReplaceFile(testtools.TestCase):
def test_replace_file(self):
# make file to replace
with mock.patch('tempfile.NamedTemporaryFile') as ntf:
ntf.return_value.name = '/baz'
with mock.patch('os.chmod') as chmod:
with mock.patch('os.rename') as rename:
utils.replace_file('/foo', 'bar')
expected = [mock.call('w+', dir='/', delete=False),
mock.call().write('bar'),
mock.call().close()]
ntf.assert_has_calls(expected)
chmod.assert_called_once_with('/baz', 0644)
rename.assert_called_once_with('/baz', '/foo')