manila/manila/tests/scheduler/filters/test_create_from_snapshot.py

93 lines
3.6 KiB
Python

# Copyright 2020 NetApp, Inc.
# 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.
"""
Tests for the CreateFromSnapshotFilter.
"""
import ddt
from manila.scheduler.filters import create_from_snapshot
from manila import test
from manila.tests.scheduler import fakes
@ddt.ddt
class CreateFromSnapshotFilterTestCase(test.TestCase):
"""Test case for CreateFromSnapshotFilter."""
def setUp(self):
super(CreateFromSnapshotFilterTestCase, self).setUp()
self.filter = create_from_snapshot.CreateFromSnapshotFilter()
@staticmethod
def _create_request(snapshot_id=None,
snapshot_host=None,
replication_domain=None):
return {
'request_spec': {
'snapshot_id': snapshot_id,
'snapshot_host': snapshot_host,
},
'replication_domain': replication_domain,
}
@staticmethod
def _create_host_state(host=None, rep_domain=None):
return fakes.FakeHostState(host,
{
'replication_domain': rep_domain,
})
def test_without_snapshot_id(self):
request = self._create_request()
host = self._create_host_state(host='fake_host')
self.assertTrue(self.filter.host_passes(host, request))
def test_without_snapshot_host(self):
request = self._create_request(snapshot_id='fake_snapshot_id',
replication_domain="fake_domain")
host = self._create_host_state(host='fake_host',
rep_domain='fake_domain_2')
self.assertTrue(self.filter.host_passes(host, request))
@ddt.data(('host1@AAA#pool1', 'host1@AAA#pool1'),
('host1@AAA#pool1', 'host1@AAA#pool2'))
@ddt.unpack
def test_same_backend(self, request_host, host_state):
request = self._create_request(snapshot_id='fake_snapshot_id',
snapshot_host=request_host)
host = self._create_host_state(host=host_state)
self.assertTrue(self.filter.host_passes(host, request))
def test_same_availability_zone(self):
request = self._create_request(snapshot_id='fake_snapshot_id',
snapshot_host='fake_host',
replication_domain="fake_domain")
host = self._create_host_state(host='fake_host_2',
rep_domain='fake_domain')
self.assertTrue(self.filter.host_passes(host, request))
def test_different_backend_and_availability_zone(self):
request = self._create_request(snapshot_id='fake_snapshot_id',
snapshot_host='fake_host',
replication_domain="fake_domain")
host = self._create_host_state(host='fake_host_2',
rep_domain='fake_domain_2')
self.assertFalse(self.filter.host_passes(host, request))