254 lines
8.4 KiB
Python
254 lines
8.4 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2013 eNovance
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Base classes for API tests."""
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import os
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import uuid
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import warnings
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import fixtures
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import mock
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from oslo_config import fixture as fixture_config
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from oslotest import mockpatch
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import six
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from six.moves.urllib import parse as urlparse
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import sqlalchemy
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import testscenarios.testcase
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from testtools import testcase
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from aodh import storage
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from aodh.tests import base as test_base
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try:
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from aodh.tests import mocks
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except ImportError:
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mocks = None # happybase module is not Python 3 compatible yet
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class MongoDbManager(fixtures.Fixture):
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def __init__(self, conf):
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self.conf = conf
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def setUp(self):
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super(MongoDbManager, self).setUp()
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with warnings.catch_warnings():
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warnings.filterwarnings(
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action='ignore',
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message='.*you must provide a username and password.*')
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self.conf.set_override("connection",
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'%(url)s_%(db)s' % {
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'url': self.conf.database.connection,
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'db': uuid.uuid4().hex,
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}, "database")
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try:
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self.alarm_connection = storage.get_connection_from_config(
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self.conf)
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except storage.StorageBadVersion as e:
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raise testcase.TestSkipped(six.text_type(e))
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class SQLManager(fixtures.Fixture):
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def __init__(self, conf):
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self.conf = conf
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db_name = 'aodh_%s' % uuid.uuid4().hex
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self._engine = sqlalchemy.create_engine(conf.database.connection)
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self._conn = self._engine.connect()
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self._create_db(self._conn, db_name)
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self.url = conf.database.connection.replace(
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self.url_dbname_placeholder, db_name)
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self.conf.set_override("connection", self.url, "database")
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self._conn.close()
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self._engine.dispose()
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def setUp(self):
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super(SQLManager, self).setUp()
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self.alarm_connection = storage.get_connection_from_config(self.conf)
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class PgSQLManager(SQLManager):
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url_dbname_placeholder = 'template1'
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@staticmethod
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def _create_db(conn, db_name):
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conn.connection.set_isolation_level(0)
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conn.execute('CREATE DATABASE %s WITH TEMPLATE template0;' % db_name)
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conn.connection.set_isolation_level(1)
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class MySQLManager(SQLManager):
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url_dbname_placeholder = 'test'
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@staticmethod
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def _create_db(conn, db_name):
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conn.execute('CREATE DATABASE %s;' % db_name)
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class HBaseManager(fixtures.Fixture):
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def __init__(self, conf):
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self.conf = conf
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def setUp(self):
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super(HBaseManager, self).setUp()
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self.alarm_connection = storage.get_connection_from_config(self.conf)
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# Unique prefix for each test to keep data is distinguished because
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# all test data is stored in one table
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data_prefix = str(uuid.uuid4().hex)
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def table(conn, name):
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return mocks.MockHBaseTable(name, conn, data_prefix)
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# Mock only real HBase connection, MConnection "table" method
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# stays origin.
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mock.patch('happybase.Connection.table', new=table).start()
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# We shouldn't delete data and tables after each test,
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# because it last for too long.
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# All tests tables will be deleted in setup-test-env.sh
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mock.patch("happybase.Connection.disable_table",
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new=mock.MagicMock()).start()
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mock.patch("happybase.Connection.delete_table",
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new=mock.MagicMock()).start()
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mock.patch("happybase.Connection.create_table",
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new=mock.MagicMock()).start()
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@property
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def url(self):
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return '%s?table_prefix=%s' % (
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self._url,
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os.getenv("AODH_TEST_HBASE_TABLE_PREFIX", "test")
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)
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class SQLiteManager(fixtures.Fixture):
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def __init__(self, conf):
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self.conf = conf
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def setUp(self):
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super(SQLiteManager, self).setUp()
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self.alarm_connection = storage.get_connection_from_config(self.conf)
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class TestBase(testscenarios.testcase.WithScenarios, test_base.BaseTestCase):
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DRIVER_MANAGERS = {
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'mongodb': MongoDbManager,
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'mysql': MySQLManager,
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'postgresql': PgSQLManager,
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'db2': MongoDbManager,
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'sqlite': SQLiteManager,
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}
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if mocks is not None:
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DRIVER_MANAGERS['hbase'] = HBaseManager
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db_url = 'sqlite://' # NOTE(Alexei_987) Set default db url
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def setUp(self):
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super(TestBase, self).setUp()
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engine = urlparse.urlparse(self.db_url).scheme
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# NOTE(Alexei_987) Shortcut to skip expensive db setUp
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test_method = self._get_test_method()
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if (hasattr(test_method, '_run_with')
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and engine not in test_method._run_with):
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raise testcase.TestSkipped(
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'Test is not applicable for %s' % engine)
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# FIXME(jd) we need this to be sure ALL options are registered
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# This module could be otherwise imported later by something else and
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# fail because all options are not registered
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import aodh.service # noqa
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self.CONF = self.useFixture(fixture_config.Config()).conf
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self.CONF([], project='aodh', validate_default_values=True)
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self.CONF.set_override('connection', self.db_url, group="database")
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try:
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self.db_manager = self._get_driver_manager(engine)(self.CONF)
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except ValueError as exc:
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self.skipTest("missing driver manager: %s" % exc)
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self.useFixture(self.db_manager)
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self.alarm_conn = self.db_manager.alarm_connection
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self.alarm_conn.upgrade()
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self.useFixture(mockpatch.Patch(
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'aodh.storage.get_connection_from_config',
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side_effect=self._get_connection))
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def tearDown(self):
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self.alarm_conn.clear()
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self.alarm_conn = None
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super(TestBase, self).tearDown()
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def _get_connection(self, conf):
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return self.alarm_conn
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def _get_driver_manager(self, engine):
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manager = self.DRIVER_MANAGERS.get(engine)
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if not manager:
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raise ValueError('No manager available for %s' % engine)
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return manager
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def run_with(*drivers):
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"""Used to mark tests that are only applicable for certain db driver.
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Skips test if driver is not available.
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"""
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def decorator(test):
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if isinstance(test, type) and issubclass(test, TestBase):
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# Decorate all test methods
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for attr in dir(test):
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value = getattr(test, attr)
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if callable(value) and attr.startswith('test_'):
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if six.PY3:
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value._run_with = drivers
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else:
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value.__func__._run_with = drivers
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else:
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test._run_with = drivers
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return test
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return decorator
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@six.add_metaclass(test_base.SkipNotImplementedMeta)
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class MixinTestsWithBackendScenarios(object):
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scenarios = [
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('sqlite', {'db_url': 'sqlite://'}),
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]
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for db in ('MONGODB', 'MYSQL', 'PGSQL', 'HBASE', 'DB2', 'ES'):
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if os.environ.get('AODH_TEST_%s_URL' % db):
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scenarios.append(
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(db.lower(), {'db_url': os.environ.get(
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'AODH_TEST_%s_URL' % db)}))
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scenarios_db = [db for db, _ in scenarios]
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# Insert default value for hbase test
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if 'hbase' not in scenarios_db:
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scenarios.append(
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('hbase', {'db_url': 'hbase://__test__'}))
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# Insert default value for db2 test
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if 'mongodb' in scenarios_db and 'db2' not in scenarios_db:
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scenarios.append(
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('db2', {'db_url': os.environ.get('AODH_TEST_MONGODB_URL',
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'').replace('mongodb://',
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'db2://')}))
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