124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
# Copyright (c) 2013 NEC Corporation
|
|
# All Rights Reserved.
|
|
#
|
|
# 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 warnings
|
|
|
|
import fixtures
|
|
import six
|
|
|
|
from neutron.api.v2 import attributes
|
|
|
|
|
|
class AttributeMapMemento(fixtures.Fixture):
|
|
"""Create a copy of the resource attribute map so it can be restored during
|
|
test cleanup.
|
|
|
|
There are a few reasons why this is not included in a class derived
|
|
from BaseTestCase:
|
|
|
|
- Test cases may need more control about when the backup is
|
|
made, especially if they are not direct descendants of
|
|
BaseTestCase.
|
|
|
|
- Inheritance is a bit of overkill for this facility and it's a
|
|
stretch to rationalize the "is a" criteria.
|
|
"""
|
|
|
|
def _setUp(self):
|
|
# Shallow copy is not a proper choice for keeping a backup copy as
|
|
# the RESOURCE_ATTRIBUTE_MAP map is modified in place through the
|
|
# 0th level keys. Ideally deepcopy() would be used but this seems
|
|
# to result in test failures. A compromise is to copy one level
|
|
# deeper than a shallow copy.
|
|
self.contents_backup = {}
|
|
for res, attrs in six.iteritems(attributes.RESOURCE_ATTRIBUTE_MAP):
|
|
self.contents_backup[res] = attrs.copy()
|
|
self.addCleanup(self.restore)
|
|
|
|
def restore(self):
|
|
attributes.RESOURCE_ATTRIBUTE_MAP = self.contents_backup
|
|
|
|
|
|
class WarningsFixture(fixtures.Fixture):
|
|
"""Filters out warnings during test runs."""
|
|
|
|
warning_types = (
|
|
DeprecationWarning, PendingDeprecationWarning, ImportWarning
|
|
)
|
|
|
|
def _setUp(self):
|
|
self.addCleanup(warnings.resetwarnings)
|
|
for wtype in self.warning_types:
|
|
warnings.filterwarnings(
|
|
"always", category=wtype, module='^neutron\\.')
|
|
|
|
|
|
"""setup_mock_calls and verify_mock_calls are convenient methods
|
|
to setup a sequence of mock calls.
|
|
|
|
expected_calls_and_values is a list of (expected_call, return_value):
|
|
|
|
expected_calls_and_values = [
|
|
(mock.call(["ovs-vsctl", self.TO, '--', "--may-exist", "add-port",
|
|
self.BR_NAME, pname]),
|
|
None),
|
|
(mock.call(["ovs-vsctl", self.TO, "set", "Interface",
|
|
pname, "type=gre"]),
|
|
None),
|
|
....
|
|
]
|
|
|
|
* expected_call should be mock.call(expected_arg, ....)
|
|
* return_value is passed to side_effect of a mocked call.
|
|
A return value or an exception can be specified.
|
|
"""
|
|
|
|
import unittest
|
|
|
|
from neutron.common import utils
|
|
|
|
|
|
def setup_mock_calls(mocked_call, expected_calls_and_values):
|
|
return_values = [call[1] for call in expected_calls_and_values]
|
|
mocked_call.side_effect = return_values
|
|
|
|
|
|
def verify_mock_calls(mocked_call, expected_calls_and_values,
|
|
any_order=False):
|
|
expected_calls = [call[0] for call in expected_calls_and_values]
|
|
mocked_call.assert_has_calls(expected_calls, any_order=any_order)
|
|
|
|
|
|
def fail(msg=None):
|
|
"""Fail immediately, with the given message.
|
|
|
|
This method is equivalent to TestCase.fail without requiring a
|
|
testcase instance (usefully for reducing coupling).
|
|
"""
|
|
raise unittest.TestCase.failureException(msg)
|
|
|
|
|
|
class UnorderedList(list):
|
|
"""A list that is equals to any permutation of itself."""
|
|
|
|
def __eq__(self, other):
|
|
if not isinstance(other, list):
|
|
return False
|
|
return (sorted(self, key=utils.safe_sort_key) ==
|
|
sorted(other, key=utils.safe_sort_key))
|
|
|
|
def __neq__(self, other):
|
|
return not self == other
|