#
# Copyright 2012 New Dream Network, LLC (DreamHost)
# Copyright 2013 eNovance
# Copyright 2015 Red Hat, Inc.
#
# 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.
"""Base classes for API tests."""
import os
import uuid
import fixtures
import mock
from oslo_config import fixture as fixture_config
from oslotest import mockpatch
import six
from six.moves.urllib import parse as urlparse
from testtools import testcase
from aodh import service
from aodh import storage
from aodh.tests import base as test_base
try:
from aodh.tests import mocks
except ImportError:
mocks = None # happybase module is not Python 3 compatible yet
[docs]class MongoDbManager(fixtures.Fixture):
def __init__(self, conf):
self.url = '%(url)s_%(db)s' % {
'url': conf.database.connection,
'db': uuid.uuid4().hex,
}
[docs]class SQLManager(fixtures.Fixture):
def __init__(self, conf):
self.conf = conf
db_name = 'aodh_%s' % uuid.uuid4().hex
import sqlalchemy
self._engine = sqlalchemy.create_engine(conf.database.connection)
self._conn = self._engine.connect()
self._create_db(self._conn, db_name)
self._conn.close()
self._engine.dispose()
parsed = list(urlparse.urlparse(conf.database.connection))
# NOTE(jd) We need to set an host otherwise urlunparse() will not
# construct a proper URL
if parsed[1] == '':
parsed[1] = 'localhost'
parsed[2] = '/' + db_name
self.url = urlparse.urlunparse(parsed)
[docs]class PgSQLManager(SQLManager):
@staticmethod
def _create_db(conn, db_name):
conn.connection.set_isolation_level(0)
conn.execute('CREATE DATABASE %s WITH TEMPLATE template0;' % db_name)
conn.connection.set_isolation_level(1)
[docs]class MySQLManager(SQLManager):
@staticmethod
def _create_db(conn, db_name):
conn.execute('CREATE DATABASE %s;' % db_name)
[docs]class HBaseManager(fixtures.Fixture):
def __init__(self, conf):
self.url = '%s?table_prefix=%s' % (
conf.database.connection,
os.getenv("AODH_TEST_HBASE_TABLE_PREFIX", "test")
)
[docs] def setUp(self):
super(HBaseManager, self).setUp()
# Unique prefix for each test to keep data is distinguished because
# all test data is stored in one table
data_prefix = str(uuid.uuid4().hex)
def table(conn, name):
return mocks.MockHBaseTable(name, conn, data_prefix)
# Mock only real HBase connection, MConnection "table" method
# stays origin.
mock.patch('happybase.Connection.table', new=table).start()
# We shouldn't delete data and tables after each test,
# because it last for too long.
# All tests tables will be deleted in setup-test-env.sh
mock.patch("happybase.Connection.disable_table",
new=mock.MagicMock()).start()
mock.patch("happybase.Connection.delete_table",
new=mock.MagicMock()).start()
mock.patch("happybase.Connection.create_table",
new=mock.MagicMock()).start()
[docs]class SQLiteManager(fixtures.Fixture):
def __init__(self, conf):
self.url = "sqlite://"
@six.add_metaclass(test_base.SkipNotImplementedMeta)
[docs]class TestBase(test_base.BaseTestCase):
DRIVER_MANAGERS = {
'mongodb': MongoDbManager,
'mysql': MySQLManager,
'postgresql': PgSQLManager,
'sqlite': SQLiteManager,
}
if mocks is not None:
DRIVER_MANAGERS['hbase'] = HBaseManager
[docs] def setUp(self):
super(TestBase, self).setUp()
db_url = os.environ.get(
'AODH_TEST_STORAGE_URL',
'sqlite://').replace(
"mysql://", "mysql+pymysql://")
engine = urlparse.urlparse(db_url).scheme
# In case some drivers have additional specification, for example:
# PyMySQL will have scheme mysql+pymysql.
engine = engine.split('+')[0]
# NOTE(Alexei_987) Shortcut to skip expensive db setUp
test_method = self._get_test_method()
if (hasattr(test_method, '_run_with')
and engine not in test_method._run_with):
raise testcase.TestSkipped(
'Test is not applicable for %s' % engine)
conf = service.prepare_service(argv=[], config_files=[])
self.CONF = self.useFixture(fixture_config.Config(conf)).conf
self.CONF.set_override('connection', db_url, group="database",
enforce_type=True)
manager = self.DRIVER_MANAGERS.get(engine)
if not manager:
self.skipTest("missing driver manager: %s" % engine)
self.db_manager = manager(self.CONF)
self.useFixture(self.db_manager)
self.CONF.set_override('connection', self.db_manager.url,
group="database", enforce_type=True)
self.alarm_conn = storage.get_connection_from_config(self.CONF)
self.alarm_conn.upgrade()
self.useFixture(mockpatch.Patch(
'aodh.storage.get_connection_from_config',
side_effect=self._get_connection))
[docs] def tearDown(self):
self.alarm_conn.clear()
self.alarm_conn = None
super(TestBase, self).tearDown()
def _get_connection(self, conf):
return self.alarm_conn
def run_with(*drivers):
"""Used to mark tests that are only applicable for certain db driver.
Skips test if driver is not available.
"""
def decorator(test):
if isinstance(test, type) and issubclass(test, TestBase):
# Decorate all test methods
for attr in dir(test):
if attr.startswith('test_'):
value = getattr(test, attr)
if callable(value):
if six.PY3:
value._run_with = drivers
else:
value.__func__._run_with = drivers
else:
test._run_with = drivers
return test
return decorator