trove/trove/tests/unittests/guestagent/test_manager.py

192 lines
8.3 KiB
Python

# Copyright 2012 OpenStack Foundation
#
# 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 trove.guestagent import volume
import testtools
from trove.instance import models as rd_models
import os
from mockito import verify, when, unstub, any, mock, never
import testtools
from testtools.matchers import Is, Equals, Not
from trove.common.context import TroveContext
from trove.guestagent.manager.mysql import Manager
import trove.guestagent.manager.mysql_service as dbaas
from trove.guestagent import backup
from trove.guestagent.volume import VolumeDevice
class GuestAgentManagerTest(testtools.TestCase):
def setUp(self):
super(GuestAgentManagerTest, self).setUp()
self.context = TroveContext()
self.manager = Manager()
self.origin_MySqlAppStatus = dbaas.MySqlAppStatus
self.origin_os_path_exists = os.path.exists
self.origin_format = volume.VolumeDevice.format
self.origin_migrate_data = volume.VolumeDevice.migrate_data
self.origin_mount = volume.VolumeDevice.mount
self.origin_is_installed = dbaas.MySqlApp.is_installed
self.origin_stop_mysql = dbaas.MySqlApp.stop_db
self.origin_start_mysql = dbaas.MySqlApp.start_mysql
self.origin_install_mysql = dbaas.MySqlApp._install_mysql
def tearDown(self):
super(GuestAgentManagerTest, self).tearDown()
dbaas.MySqlAppStatus = self.origin_MySqlAppStatus
os.path.exists = self.origin_os_path_exists
volume.VolumeDevice.format = self.origin_format
volume.VolumeDevice.migrate_data = self.origin_migrate_data
volume.VolumeDevice.mount = self.origin_mount
dbaas.MySqlApp.is_installed = self.origin_is_installed
dbaas.MySqlApp.stop_db = self.origin_stop_mysql
dbaas.MySqlApp.start_mysql = self.origin_start_mysql
dbaas.MySqlApp._install_mysql = self.origin_install_mysql
unstub()
def test_update_status(self):
mock_status = mock()
when(dbaas.MySqlAppStatus).get().thenReturn(mock_status)
self.manager.update_status(self.context)
verify(dbaas.MySqlAppStatus).get()
verify(mock_status).update()
def test_create_database(self):
when(dbaas.MySqlAdmin).create_database(['db1']).thenReturn(None)
self.manager.create_database(self.context, ['db1'])
verify(dbaas.MySqlAdmin).create_database(['db1'])
def test_create_user(self):
when(dbaas.MySqlAdmin).create_user(['user1']).thenReturn(None)
self.manager.create_user(self.context, ['user1'])
verify(dbaas.MySqlAdmin).create_user(['user1'])
def test_delete_database(self):
databases = ['db1']
when(dbaas.MySqlAdmin).delete_database(databases).thenReturn(None)
self.manager.delete_database(self.context, databases)
verify(dbaas.MySqlAdmin).delete_database(databases)
def test_delete_user(self):
user = ['user1']
when(dbaas.MySqlAdmin).delete_user(user).thenReturn(None)
self.manager.delete_user(self.context, user)
verify(dbaas.MySqlAdmin).delete_user(user)
def test_list_databases(self):
when(dbaas.MySqlAdmin).list_databases(None, None,
False).thenReturn(['database1'])
databases = self.manager.list_databases(self.context)
self.assertThat(databases, Not(Is(None)))
self.assertThat(databases, Equals(['database1']))
verify(dbaas.MySqlAdmin).list_databases(None, None, False)
def test_list_users(self):
when(dbaas.MySqlAdmin).list_users(None, None,
False).thenReturn(['user1'])
users = self.manager.list_users(self.context)
self.assertThat(users, Equals(['user1']))
verify(dbaas.MySqlAdmin).list_users(None, None, False)
def test_enable_root(self):
when(dbaas.MySqlAdmin).enable_root().thenReturn('user_id_stuff')
user_id = self.manager.enable_root(self.context)
self.assertThat(user_id, Is('user_id_stuff'))
verify(dbaas.MySqlAdmin).enable_root()
def test_is_root_enabled(self):
when(dbaas.MySqlAdmin).is_root_enabled().thenReturn(True)
is_enabled = self.manager.is_root_enabled(self.context)
self.assertThat(is_enabled, Is(True))
verify(dbaas.MySqlAdmin).is_root_enabled()
def test_create_backup(self):
when(backup).backup(self.context, 'backup_id_123').thenReturn(None)
# entry point
Manager().create_backup(self.context, 'backup_id_123')
# assertions
verify(backup).backup(self.context, 'backup_id_123')
def test_prepare_device_path_true(self):
self._prepare_dynamic()
def test_prepare_device_path_false(self):
self._prepare_dynamic(device_path=None)
def test_prepare_mysql_not_installed(self):
self._prepare_dynamic(is_mysql_installed=False)
def test_prepare_mysql_from_backup(self):
self._prepare_dynamic(backup_id='backup_id_123abc')
def test_prepare_mysql_from_backup_with_root(self):
self._prepare_dynamic(backup_id='backup_id_123abc',
is_root_enabled=True)
def _prepare_dynamic(self, device_path='/dev/vdb', is_mysql_installed=True,
backup_id=None, is_root_enabled=False):
# covering all outcomes is starting to cause trouble here
COUNT = 1 if device_path else 0
SEC_COUNT = 1 if is_mysql_installed else 0
migrate_count = 1 * COUNT if not backup_id else 0
# TODO(juice): this should stub an instance of the MySqlAppStatus
mock_status = mock()
when(dbaas.MySqlAppStatus).get().thenReturn(mock_status)
when(mock_status).begin_mysql_install().thenReturn(None)
when(VolumeDevice).format().thenReturn(None)
when(VolumeDevice).migrate_data(any()).thenReturn(None)
when(VolumeDevice).mount().thenReturn(None)
when(dbaas.MySqlApp).stop_db().thenReturn(None)
when(dbaas.MySqlApp).start_mysql().thenReturn(None)
when(dbaas.MySqlApp).install_if_needed().thenReturn(None)
when(backup).restore(self.context, backup_id).thenReturn(None)
when(dbaas.MySqlApp).secure(any()).thenReturn(None)
when(dbaas.MySqlApp).secure_root(any()).thenReturn(None)
when(dbaas.MySqlApp).is_installed().thenReturn(is_mysql_installed)
when(dbaas.MySqlAdmin).is_root_enabled().thenReturn(is_root_enabled)
when(dbaas.MySqlAdmin).create_user().thenReturn(None)
when(dbaas.MySqlAdmin).create_database().thenReturn(None)
when(dbaas.MySqlAdmin).report_root_enabled(self.context).thenReturn(
None)
when(os.path).exists(any()).thenReturn(is_mysql_installed)
# invocation
self.manager.prepare(context=self.context, databases=None,
memory_mb='2048', users=None,
device_path=device_path,
mount_point='/var/lib/mysql',
backup_id=backup_id)
# verification/assertion
verify(mock_status).begin_mysql_install()
verify(VolumeDevice, times=COUNT).format()
verify(dbaas.MySqlApp, times=(COUNT * SEC_COUNT)).stop_db()
verify(VolumeDevice, times=(migrate_count * SEC_COUNT)).migrate_data(
any())
if backup_id:
verify(backup).restore(self.context, backup_id, '/var/lib/mysql')
verify(dbaas.MySqlApp).install_if_needed()
# We dont need to make sure the exact contents are there
verify(dbaas.MySqlApp).secure(any())
verify(dbaas.MySqlAdmin, never).create_database()
verify(dbaas.MySqlAdmin, never).create_user()
times_report = 1 if is_root_enabled else 0
verify(dbaas.MySqlApp).secure_root(secure_remote_root=any())
verify(dbaas.MySqlAdmin, times=times_report).report_root_enabled(
self.context)