119 lines
3.8 KiB
Python
119 lines
3.8 KiB
Python
# 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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import logging
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import fixtures
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import mock
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from oslo_config import cfg
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from oslo_messaging import conffixture as messaging_conffixture
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from oslo_utils import timeutils
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from oslotest import base
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from karbor.common import config # noqa Need to register global_opts
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from karbor.db import migration
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from karbor.db.sqlalchemy import api as sqla_api
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from karbor import rpc
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from karbor.tests.unit import conf_fixture
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CONF = cfg.CONF
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_DB_CACHE = None
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class Database(fixtures.Fixture):
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def __init__(self, db_api, db_migrate, sql_connection):
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super(Database, self).__init__()
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self.sql_connection = sql_connection
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# Suppress logging for test runs
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migrate_logger = logging.getLogger('migrate')
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migrate_logger.setLevel(logging.WARNING)
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self.engine = db_api.get_engine()
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self.engine.dispose()
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conn = self.engine.connect()
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db_migrate.db_sync()
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self._DB = "".join(line for line in conn.connection.iterdump())
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self.engine.dispose()
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def setUp(self):
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super(Database, self).setUp()
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conn = self.engine.connect()
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conn.connection.executescript(self._DB)
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self.addCleanup(self.engine.dispose)
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class TestCase(base.BaseTestCase):
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"""Test case base class for all unit tests."""
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def setUp(self):
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"""Run before each test method to initialize test environment."""
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super(TestCase, self).setUp()
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rpc.add_extra_exmods("karbor.tests.unit")
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self.addCleanup(rpc.clear_extra_exmods)
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self.addCleanup(rpc.cleanup)
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self.messaging_conf = messaging_conffixture.ConfFixture(CONF)
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self.messaging_conf.transport_url = 'fake:/'
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self.messaging_conf.response_timeout = 15
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self.useFixture(self.messaging_conf)
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rpc.init(CONF)
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conf_fixture.set_defaults(CONF)
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CONF([], default_config_files=[])
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# NOTE(vish): We need a better method for creating fixtures for tests
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# now that we have some required db setup for the system
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# to work properly.
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self.start = timeutils.utcnow()
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CONF.set_default('connection', 'sqlite://', 'database')
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CONF.set_default('sqlite_synchronous', False, 'database')
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global _DB_CACHE
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if not _DB_CACHE:
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_DB_CACHE = Database(sqla_api, migration,
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sql_connection=CONF.database.connection)
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self.useFixture(_DB_CACHE)
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def override_config(self, name, override, group=None):
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"""Cleanly override CONF variables."""
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CONF.set_override(name, override, group)
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self.addCleanup(CONF.clear_override, name, group)
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def flags(self, **kw):
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"""Override CONF variables for a test."""
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for k, v in kw.items():
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self.override_config(k, v)
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def mock_object(self, obj, attr_name, new_attr=None, **kwargs):
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"""Use python mock to mock an object attribute
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Mocks the specified objects attribute with the given value.
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Automatically performs 'addCleanup' for the mock.
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"""
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if not new_attr:
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new_attr = mock.Mock()
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patcher = mock.patch.object(obj, attr_name, new_attr, **kwargs)
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patcher.start()
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self.addCleanup(patcher.stop)
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return new_attr
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