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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 unittest import mock
from nova import objects
from nova.scheduler.filters import availability_zone_filter
from nova import test
from nova.tests.unit.scheduler import fakes
@mock.patch('nova.scheduler.filters.utils.aggregate_metadata_get_by_host')
class TestAvailabilityZoneFilter(test.NoDBTestCase):
def setUp(self):
super(TestAvailabilityZoneFilter, self).setUp()
self.filt_cls = availability_zone_filter.AvailabilityZoneFilter()
@staticmethod
def _make_zone_request(zone):
return objects.RequestSpec(
context=mock.sentinel.ctx,
availability_zone=zone)
def test_availability_zone_filter_same(self, agg_mock):
agg_mock.return_value = {'availability_zone': set(['nova'])}
request = self._make_zone_request('nova')
host = fakes.FakeHostState('host1', 'node1', {})
self.assertTrue(self.filt_cls.host_passes(host, request))
def test_availability_zone_filter_same_comma(self, agg_mock):
agg_mock.return_value = {'availability_zone': set(['nova', 'nova2'])}
request = self._make_zone_request('nova')
host = fakes.FakeHostState('host1', 'node1', {})
self.assertTrue(self.filt_cls.host_passes(host, request))
def test_availability_zone_filter_different(self, agg_mock):
agg_mock.return_value = {'availability_zone': set(['nova'])}
request = self._make_zone_request('bad')
host = fakes.FakeHostState('host1', 'node1', {})
self.assertFalse(self.filt_cls.host_passes(host, request))
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