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# 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.
from oslotest import base
from neutron_lib.db import resource_extend
from neutron_lib import fixture
@resource_extend.has_resource_extenders
class _DBExtender:
@resource_extend.extends('ExtendedA')
def _extend_a(self, resp, db_obj):
pass
@resource_extend.extends('ExtendedB')
def _extend_b(self, resp, db_obj):
pass
class TestResourceExtendClass(base.BaseTestCase):
def test_extends(self):
self.assertIsNotNone(resource_extend.get_funcs('ExtendedA'))
self.assertIsNotNone(resource_extend.get_funcs('ExtendedB'))
class TestResourceExtend(base.BaseTestCase):
def setUp(self):
super().setUp()
self.useFixture(fixture.DBResourceExtendFixture())
def test_register_funcs(self):
resources = ['A', 'B', 'C']
for r in resources:
resource_extend.register_funcs(r, (lambda x: x,))
for r in resources:
self.assertIsNotNone(resource_extend.get_funcs(r))
def test_apply_funcs(self):
resources = ['A', 'B', 'C']
callbacks = []
def _cb(resp, db_obj):
callbacks.append(resp)
for r in resources:
resource_extend.register_funcs(r, (_cb,))
for r in resources:
resource_extend.apply_funcs(r, None, None)
self.assertEqual(3, len(callbacks))
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