132 lines
5.1 KiB
Python
132 lines
5.1 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 fixtures
|
|
import mock
|
|
import testtools
|
|
|
|
from neutron.agent.linux import utils
|
|
from neutron.tests import base
|
|
|
|
|
|
class AgentUtilsExecuteTest(base.BaseTestCase):
|
|
def setUp(self):
|
|
super(AgentUtilsExecuteTest, self).setUp()
|
|
self.root_helper = "echo"
|
|
self.test_file = self.useFixture(
|
|
fixtures.TempDir()).join("test_execute.tmp")
|
|
open(self.test_file, 'w').close()
|
|
self.mock_popen_p = mock.patch("subprocess.Popen.communicate")
|
|
self.mock_popen = self.mock_popen_p.start()
|
|
self.addCleanup(self.mock_popen_p.stop)
|
|
|
|
def test_without_helper(self):
|
|
expected = "%s\n" % self.test_file
|
|
self.mock_popen.return_value = [expected, ""]
|
|
result = utils.execute(["ls", self.test_file])
|
|
self.assertEqual(result, expected)
|
|
|
|
def test_with_helper(self):
|
|
expected = "ls %s\n" % self.test_file
|
|
self.mock_popen.return_value = [expected, ""]
|
|
result = utils.execute(["ls", self.test_file],
|
|
self.root_helper)
|
|
self.assertEqual(result, expected)
|
|
|
|
def test_stderr_true(self):
|
|
expected = "%s\n" % self.test_file
|
|
self.mock_popen.return_value = [expected, ""]
|
|
out = utils.execute(["ls", self.test_file], return_stderr=True)
|
|
self.assertIsInstance(out, tuple)
|
|
self.assertEqual(out, (expected, ""))
|
|
|
|
def test_check_exit_code(self):
|
|
self.mock_popen.return_value = ["", ""]
|
|
stdout = utils.execute(["ls", self.test_file[:-1]],
|
|
check_exit_code=False)
|
|
self.assertEqual(stdout, "")
|
|
|
|
def test_execute_raises(self):
|
|
self.mock_popen.side_effect = RuntimeError
|
|
self.assertRaises(RuntimeError, utils.execute,
|
|
["ls", self.test_file[:-1]])
|
|
|
|
def test_process_input(self):
|
|
expected = "%s\n" % self.test_file[:-1]
|
|
self.mock_popen.return_value = [expected, ""]
|
|
result = utils.execute(["cat"], process_input="%s\n" %
|
|
self.test_file[:-1])
|
|
self.assertEqual(result, expected)
|
|
|
|
def test_with_addl_env(self):
|
|
expected = "%s\n" % self.test_file
|
|
self.mock_popen.return_value = [expected, ""]
|
|
result = utils.execute(["ls", self.test_file],
|
|
addl_env={'foo': 'bar'})
|
|
self.assertEqual(result, expected)
|
|
|
|
|
|
class AgentUtilsGetInterfaceMAC(base.BaseTestCase):
|
|
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(base.BaseTestCase):
|
|
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', 0o644)
|
|
rename.assert_called_once_with('/baz', '/foo')
|
|
|
|
|
|
class TestFindChildPids(base.BaseTestCase):
|
|
|
|
def test_returns_empty_list_for_exit_code_1(self):
|
|
with mock.patch.object(utils, 'execute',
|
|
side_effect=RuntimeError('Exit code: 1')):
|
|
self.assertEqual(utils.find_child_pids(-1), [])
|
|
|
|
def test_returns_empty_list_for_no_output(self):
|
|
with mock.patch.object(utils, 'execute', return_value=''):
|
|
self.assertEqual(utils.find_child_pids(-1), [])
|
|
|
|
def test_returns_list_of_child_process_ids_for_good_ouput(self):
|
|
with mock.patch.object(utils, 'execute', return_value=' 123 \n 185\n'):
|
|
self.assertEqual(utils.find_child_pids(-1), ['123', '185'])
|
|
|
|
def test_raises_unknown_exception(self):
|
|
with testtools.ExpectedException(RuntimeError):
|
|
with mock.patch.object(utils, 'execute',
|
|
side_effect=RuntimeError()):
|
|
utils.find_child_pids(-1)
|