trove/trove/tests/unittests/guestagent/test_db2_manager.py

221 lines
9.6 KiB
Python

# Copyright 2015 IBM Corp.
#
# 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 mock import MagicMock
from mock import patch
from testtools.matchers import Is, Equals, Not
from trove.common.instance import ServiceStatuses
from trove.guestagent.datastore.experimental.db2 import (
manager as db2_manager)
from trove.guestagent.datastore.experimental.db2 import (
service as db2_service)
from trove.guestagent import pkg as pkg
from trove.guestagent import volume
from trove.tests.unittests import trove_testtools
class GuestAgentDB2ManagerTest(trove_testtools.TestCase):
def setUp(self):
super(GuestAgentDB2ManagerTest, self).setUp()
self.real_status = db2_service.DB2AppStatus.set_status
class FakeInstanceServiceStatus(object):
status = ServiceStatuses.NEW
def save(self):
pass
db2_service.DB2AppStatus.set_status = MagicMock(
return_value=FakeInstanceServiceStatus())
self.context = trove_testtools.TroveTestContext(self)
self.manager = db2_manager.Manager()
self.real_db_app_status = db2_service.DB2AppStatus
self.origin_format = volume.VolumeDevice.format
self.origin_mount = volume.VolumeDevice.mount
self.origin_mount_points = volume.VolumeDevice.mount_points
self.origin_stop_db = db2_service.DB2App.stop_db
self.origin_start_db = db2_service.DB2App.start_db
self.orig_change_ownership = (db2_service.DB2App.change_ownership)
self.orig_create_databases = db2_service.DB2Admin.create_database
self.orig_list_databases = db2_service.DB2Admin.list_databases
self.orig_delete_database = db2_service.DB2Admin.delete_database
self.orig_create_users = db2_service.DB2Admin.create_user
self.orig_list_users = db2_service.DB2Admin.list_users
self.orig_delete_user = db2_service.DB2Admin.delete_user
def tearDown(self):
super(GuestAgentDB2ManagerTest, self).tearDown()
db2_service.DB2AppStatus.set_status = self.real_db_app_status
volume.VolumeDevice.format = self.origin_format
volume.VolumeDevice.mount = self.origin_mount
volume.VolumeDevice.mount_points = self.origin_mount_points
db2_service.DB2App.stop_db = self.origin_stop_db
db2_service.DB2App.start_db = self.origin_start_db
db2_service.DB2App.change_ownership = self.orig_change_ownership
db2_service.DB2Admin.create_database = self.orig_create_databases
db2_service.DB2Admin.create_user = self.orig_create_users
db2_service.DB2Admin.create_database = self.orig_create_databases
db2_service.DB2Admin.list_databases = self.orig_list_databases
db2_service.DB2Admin.delete_database = self.orig_delete_database
db2_service.DB2Admin.create_user = self.orig_create_users
db2_service.DB2Admin.list_users = self.orig_list_users
db2_service.DB2Admin.delete_user = self.orig_delete_user
def test_update_status(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
self.manager.update_status(self.context)
mock_status.update.assert_any_call()
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_database(self):
self._prepare_dynamic(databases=['db1'])
def _prepare_dynamic(self, packages=None, databases=None, users=None,
config_content=None, device_path='/dev/vdb',
is_db_installed=True, backup_id=None, overrides=None):
mock_status = MagicMock()
mock_app = MagicMock()
self.manager.appStatus = mock_status
self.manager.app = mock_app
mock_status.begin_install = MagicMock(return_value=None)
mock_app.change_ownership = MagicMock(return_value=None)
mock_app.restart = MagicMock(return_value=None)
mock_app.start_db = MagicMock(return_value=None)
mock_app.stop_db = MagicMock(return_value=None)
volume.VolumeDevice.format = MagicMock(return_value=None)
volume.VolumeDevice.mount = MagicMock(return_value=None)
volume.VolumeDevice.mount_points = MagicMock(return_value=[])
db2_service.DB2Admin.create_user = MagicMock(return_value=None)
db2_service.DB2Admin.create_database = MagicMock(return_value=None)
with patch.object(pkg.Package, 'pkg_is_installed',
return_value=MagicMock(
return_value=is_db_installed)):
self.manager.prepare(context=self.context, packages=packages,
config_contents=config_content,
databases=databases,
memory_mb='2048', users=users,
device_path=device_path,
mount_point="/home/db2inst1/db2inst1",
backup_info=None,
overrides=None,
cluster_config=None)
mock_status.begin_install.assert_any_call()
self.assertEqual(1, mock_app.change_ownership.call_count)
if databases:
self.assertTrue(db2_service.DB2Admin.create_database.called)
else:
self.assertFalse(db2_service.DB2Admin.create_database.called)
if users:
self.assertTrue(db2_service.DB2Admin.create_user.called)
else:
self.assertFalse(db2_service.DB2Admin.create_user.called)
def test_restart(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
with patch.object(db2_service.DB2App, 'restart',
return_value=None) as restart_mock:
# invocation
self.manager.restart(self.context)
# verification/assertion
restart_mock.assert_any_call()
def test_stop_db(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2App.stop_db = MagicMock(return_value=None)
self.manager.stop_db(self.context)
db2_service.DB2App.stop_db.assert_any_call(
do_not_start_on_reboot=False)
def test_create_database(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2Admin.create_database = MagicMock(return_value=None)
self.manager.create_database(self.context, ['db1'])
db2_service.DB2Admin.create_database.assert_any_call(['db1'])
def test_create_user(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2Admin.create_user = MagicMock(return_value=None)
self.manager.create_user(self.context, ['user1'])
db2_service.DB2Admin.create_user.assert_any_call(['user1'])
def test_delete_database(self):
databases = ['db1']
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2Admin.delete_database = MagicMock(return_value=None)
self.manager.delete_database(self.context, databases)
db2_service.DB2Admin.delete_database.assert_any_call(databases)
def test_delete_user(self):
user = ['user1']
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2Admin.delete_user = MagicMock(return_value=None)
self.manager.delete_user(self.context, user)
db2_service.DB2Admin.delete_user.assert_any_call(user)
def test_list_databases(self):
mock_status = MagicMock()
self.manager.appStatus = mock_status
db2_service.DB2Admin.list_databases = MagicMock(
return_value=['database1'])
databases = self.manager.list_databases(self.context)
self.assertThat(databases, Not(Is(None)))
self.assertThat(databases, Equals(['database1']))
db2_service.DB2Admin.list_databases.assert_any_call(None, None, False)
def test_list_users(self):
db2_service.DB2Admin.list_users = MagicMock(return_value=['user1'])
users = self.manager.list_users(self.context)
self.assertThat(users, Equals(['user1']))
db2_service.DB2Admin.list_users.assert_any_call(None, None, False)
@patch.object(db2_service.DB2Admin, 'get_user',
return_value=MagicMock(return_value=['user1']))
def test_get_users(self, get_user_mock):
username = ['user1']
hostname = ['host']
mock_status = MagicMock()
self.manager.appStatus = mock_status
users = self.manager.get_user(self.context, username, hostname)
self.assertThat(users, Equals(get_user_mock.return_value))
get_user_mock.assert_any_call(username, hostname)
def test_reset_configuration(self):
try:
configuration = {'config_contents': 'some junk'}
self.manager.reset_configuration(self.context, configuration)
except Exception:
self.fail("reset_configuration raised exception unexpectedly.")
def test_rpc_ping(self):
output = self.manager.rpc_ping(self.context)
self.assertTrue(output)