c8ff803531
Each config option has limitation for type and value. If we use method CONF.set_override without parameter enforce_type=True, we may pass wrong type to config option. This commit makes sure calling method CONF.set_override with enforce_type=True. Change-Id: I700dcd21941c6399c51e11bef2282e1e4565e85a Closes-Bug: #1517839
354 lines
12 KiB
Python
354 lines
12 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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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 our unit tests.
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Allows overriding of flags for use of fakes, and some black magic for
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inline callbacks.
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"""
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import os
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import shutil
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import uuid
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import fixtures
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import mock
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from oslo_concurrency import lockutils
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from oslo_config import cfg
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from oslo_config import fixture as config_fixture
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import oslo_i18n
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from oslo_messaging import conffixture as messaging_conffixture
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import oslotest.base as base_test
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from manila.db import migration
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from manila.db.sqlalchemy import api as db_api
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from manila.db.sqlalchemy import models as db_models
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from manila import rpc
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from manila import service
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from manila.tests import conf_fixture
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from manila.tests import fake_notifier
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test_opts = [
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cfg.StrOpt('sqlite_clean_db',
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default='clean.sqlite',
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help='File name of clean sqlite database.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(test_opts)
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_DB_CACHE = None
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class Database(fixtures.Fixture):
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def __init__(self, db_session, db_migrate, sql_connection, sqlite_db,
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sqlite_clean_db):
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self.sql_connection = sql_connection
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self.sqlite_db = sqlite_db
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self.sqlite_clean_db = sqlite_clean_db
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self.engine = db_session.get_engine()
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self.engine.dispose()
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conn = self.engine.connect()
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if sql_connection == "sqlite://":
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self.setup_sqlite(db_migrate)
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else:
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testdb = os.path.join(CONF.state_path, sqlite_db)
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db_migrate.upgrade('head')
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if os.path.exists(testdb):
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return
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if sql_connection == "sqlite://":
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conn = self.engine.connect()
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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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else:
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cleandb = os.path.join(CONF.state_path, sqlite_clean_db)
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shutil.copyfile(testdb, cleandb)
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def setUp(self):
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super(Database, self).setUp()
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if self.sql_connection == "sqlite://":
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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) # pylint: disable=E1101
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else:
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shutil.copyfile(
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os.path.join(CONF.state_path, self.sqlite_clean_db),
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os.path.join(CONF.state_path, self.sqlite_db),
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)
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def setup_sqlite(self, db_migrate):
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if db_migrate.version():
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return
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db_models.BASE.metadata.create_all(self.engine)
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db_migrate.stamp('head')
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class TestCase(base_test.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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oslo_i18n.enable_lazy(enable=False)
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conf_fixture.set_defaults(CONF)
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CONF([], default_config_files=[])
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global _DB_CACHE
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if not _DB_CACHE:
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_DB_CACHE = Database(
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db_api,
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migration,
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sql_connection=CONF.database.connection,
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sqlite_db=CONF.sqlite_db,
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sqlite_clean_db=CONF.sqlite_clean_db,
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)
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self.useFixture(_DB_CACHE)
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self.injected = []
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self._services = []
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self.flags(fatal_exception_format_errors=True)
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# This will be cleaned up by the NestedTempfile fixture
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lock_path = self.useFixture(fixtures.TempDir()).path
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self.fixture = self.useFixture(config_fixture.Config(lockutils.CONF))
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self.fixture.config(lock_path=lock_path, group='oslo_concurrency')
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self.fixture.config(
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disable_process_locking=True, group='oslo_concurrency')
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rpc.add_extra_exmods('manila.tests')
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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_driver = '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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mock.patch('keystoneauth1.loading.load_auth_from_conf_options').start()
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fake_notifier.stub_notifier(self)
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def tearDown(self):
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"""Runs after each test method to tear down test environment."""
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super(TestCase, self).tearDown()
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# Reset any overridden flags
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CONF.reset()
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# Stop any timers
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for x in self.injected:
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try:
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x.stop()
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except AssertionError:
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pass
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# Kill any services
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for x in self._services:
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try:
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x.kill()
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except Exception:
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pass
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# Delete attributes that don't start with _ so they don't pin
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# memory around unnecessarily for the duration of the test
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# suite
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for key in [k for k in self.__dict__.keys() if k[0] != '_']:
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del self.__dict__[key]
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def flags(self, **kw):
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"""Override flag variables for a test."""
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for k, v in kw.items():
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CONF.set_override(k, v, enforce_type=True)
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def start_service(self, name, host=None, **kwargs):
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host = host and host or uuid.uuid4().hex
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kwargs.setdefault('host', host)
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kwargs.setdefault('binary', 'manila-%s' % name)
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svc = service.Service.create(**kwargs)
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svc.start()
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self._services.append(svc)
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return svc
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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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def mock_class(self, class_name, new_val=None, **kwargs):
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"""Use python mock to mock a class
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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_val:
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new_val = mock.Mock()
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patcher = mock.patch(class_name, new_val, **kwargs)
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patcher.start()
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self.addCleanup(patcher.stop)
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return new_val
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# Useful assertions
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def assertDictMatch(self, d1, d2, approx_equal=False, tolerance=0.001):
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"""Assert two dicts are equivalent.
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This is a 'deep' match in the sense that it handles nested
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dictionaries appropriately.
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NOTE:
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If you don't care (or don't know) a given value, you can specify
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the string DONTCARE as the value. This will cause that dict-item
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to be skipped.
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"""
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def raise_assertion(msg):
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d1str = str(d1)
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d2str = str(d2)
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base_msg = ('Dictionaries do not match. %(msg)s d1: %(d1str)s '
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'd2: %(d2str)s' %
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{"msg": msg, "d1str": d1str, "d2str": d2str})
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raise AssertionError(base_msg)
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d1keys = set(d1.keys())
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d2keys = set(d2.keys())
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if d1keys != d2keys:
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d1only = d1keys - d2keys
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d2only = d2keys - d1keys
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raise_assertion('Keys in d1 and not d2: %(d1only)s. '
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'Keys in d2 and not d1: %(d2only)s' %
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{"d1only": d1only, "d2only": d2only})
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for key in d1keys:
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d1value = d1[key]
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d2value = d2[key]
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try:
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error = abs(float(d1value) - float(d2value))
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within_tolerance = error <= tolerance
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except (ValueError, TypeError):
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# If both values aren't convertible to float, just ignore
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# ValueError if arg is a str, TypeError if it's something else
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# (like None)
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within_tolerance = False
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if hasattr(d1value, 'keys') and hasattr(d2value, 'keys'):
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self.assertDictMatch(d1value, d2value)
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elif 'DONTCARE' in (d1value, d2value):
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continue
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elif approx_equal and within_tolerance:
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continue
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elif d1value != d2value:
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raise_assertion("d1['%(key)s']=%(d1value)s != "
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"d2['%(key)s']=%(d2value)s" %
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{
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"key": key,
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"d1value": d1value,
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"d2value": d2value
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})
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def assertDictListMatch(self, L1, L2, approx_equal=False, tolerance=0.001):
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"""Assert a list of dicts are equivalent."""
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def raise_assertion(msg):
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L1str = str(L1)
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L2str = str(L2)
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base_msg = ('List of dictionaries do not match: %(msg)s '
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'L1: %(L1str)s L2: %(L2str)s' %
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{"msg": msg, "L1str": L1str, "L2str": L2str})
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raise AssertionError(base_msg)
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L1count = len(L1)
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L2count = len(L2)
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if L1count != L2count:
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raise_assertion('Length mismatch: len(L1)=%(L1count)d != '
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'len(L2)=%(L2count)d' %
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{"L1count": L1count, "L2count": L2count})
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for d1, d2 in zip(L1, L2):
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self.assertDictMatch(d1, d2, approx_equal=approx_equal,
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tolerance=tolerance)
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def assertSubDictMatch(self, sub_dict, super_dict):
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"""Assert a sub_dict is subset of super_dict."""
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self.assertTrue(set(sub_dict.keys()).issubset(set(super_dict.keys())))
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for k, sub_value in sub_dict.items():
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super_value = super_dict[k]
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if isinstance(sub_value, dict):
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self.assertSubDictMatch(sub_value, super_value)
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elif 'DONTCARE' in (sub_value, super_value):
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continue
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else:
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self.assertEqual(sub_value, super_value)
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def assertIn(self, a, b, *args, **kwargs):
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"""Python < v2.7 compatibility. Assert 'a' in 'b'."""
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try:
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f = super(TestCase, self).assertIn
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except AttributeError:
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self.assertTrue(a in b, *args, **kwargs)
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else:
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f(a, b, *args, **kwargs)
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def assertNotIn(self, a, b, *args, **kwargs):
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"""Python < v2.7 compatibility. Assert 'a' NOT in 'b'."""
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try:
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f = super(TestCase, self).assertNotIn
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except AttributeError:
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self.assertFalse(a in b, *args, **kwargs)
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else:
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f(a, b, *args, **kwargs)
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def assertIsInstance(self, a, b, *args, **kwargs):
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"""Python < v2.7 compatibility."""
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try:
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f = super(TestCase, self).assertIsInstance
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except AttributeError:
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self.assertIsInstance(a, b)
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else:
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f(a, b, *args, **kwargs)
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def assertIsNone(self, a, *args, **kwargs):
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"""Python < v2.7 compatibility."""
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try:
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f = super(TestCase, self).assertIsNone
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except AttributeError:
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self.assertTrue(a is None)
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else:
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f(a, *args, **kwargs)
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def _dict_from_object(self, obj, ignored_keys):
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if ignored_keys is None:
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ignored_keys = []
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return {k: v for k, v in obj.iteritems()
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if k not in ignored_keys}
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def _assertEqualListsOfObjects(self, objs1, objs2, ignored_keys=None):
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obj_to_dict = lambda o: self._dict_from_object(o, ignored_keys)
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sort_key = lambda d: [d[k] for k in sorted(d)]
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conv_and_sort = lambda obj: sorted(map(obj_to_dict, obj), key=sort_key)
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self.assertEqual(conv_and_sort(objs1), conv_and_sort(objs2))
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