rally-openstack/tests/unit/test.py
Andrey Kurilin bdc4e92977 Get rid of several test dependencies
Change-Id: I263c76a3cf12c4c578a41b632151a83ec970f915
2020-05-07 16:02:38 +00:00

236 lines
8.2 KiB
Python

# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#
# 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.
import fixtures
import os
from unittest import mock
import uuid
import testtools
from rally.common import cfg
from rally.common import db
from rally import plugins
from tests.unit import fakes
plugins.load()
class DatabaseFixture(cfg.fixture.Config):
"""Create clean DB before starting test."""
def setUp(self):
super(DatabaseFixture, self).setUp()
db_url = os.environ.get("RALLY_UNITTEST_DB_URL", "sqlite://")
db.engine_reset()
self.conf.set_default("connection", db_url, group="database")
db.schema_cleanup()
db.schema_create()
class TestCase(testtools.TestCase):
"""Test case base class for all unit tests."""
def setUp(self):
super(TestCase, self).setUp()
self.addCleanup(mock.patch.stopall)
def _test_atomic_action_timer(self, atomic_actions, name, count=1,
parent=[]):
if parent:
is_found = False
for action in atomic_actions:
if action["name"] == parent[0]:
is_found = True
self._test_atomic_action_timer(action["children"],
name, count=count,
parent=parent[1:])
if not is_found:
self.fail("The parent action %s can not be found."
% parent[0])
else:
actual_count = 0
for atomic_action in atomic_actions:
if atomic_action["name"] == name:
self.assertIsInstance(atomic_action["started_at"], float)
self.assertIsInstance(atomic_action["finished_at"], float)
actual_count += 1
if count != actual_count:
self.fail("%(count)d count is expected for atomic action"
" %(name)s, the actual count"
" is %(actual_count)d."
% {"name": name, "count": count,
"actual_count": actual_count})
def assertSequenceEqual(self, iterable_1, iterable_2, msg=None):
self.assertEqual(tuple(iterable_1), tuple(iterable_2), msg)
class DBTestCase(TestCase):
"""Base class for tests which use DB."""
def setUp(self):
super(DBTestCase, self).setUp()
self.useFixture(DatabaseFixture())
# TODO(boris-42): This should be moved to test.plugins.test module
# or similar
class ScenarioTestCase(TestCase):
"""Base class for Scenario tests using mocked self.clients."""
task_utils = "rally.task.utils"
patch_task_utils = True
def client_factory(self, client_type, version=None, admin=False):
"""Create a new client object."""
return mock.MagicMock(client_type=client_type,
version=version,
admin=admin)
def clients(self, client_type, version=None, admin=False):
"""Get a mocked client."""
key = (client_type, version, admin)
if key not in self._clients:
self._clients[key] = self.client_factory(client_type,
version=version,
admin=admin)
return self._clients[key]
def admin_clients(self, client_type, version=None):
"""Get a mocked admin client."""
return self.clients(client_type, version=version, admin=True)
def client_created(self, client_type, version=None, admin=False):
"""Determine if a client has been created.
This can be used to see if a scenario calls
'self.clients("foo")', without checking to see what was done
with the client object returned by that call.
"""
key = (client_type, version, admin)
return key in self._clients
def get_client_mocks(self):
base_path = "rally_openstack.task"
return [
mock.patch(
f"{base_path}.scenario.OpenStackScenario.clients",
mock.Mock(side_effect=self.clients)),
mock.patch(
f"{base_path}.scenario.OpenStackScenario.admin_clients",
mock.Mock(side_effect=self.admin_clients))
]
def get_test_context(self):
return get_test_context()
def setUp(self):
super(ScenarioTestCase, self).setUp()
if self.patch_task_utils:
self.mock_resource_is = fixtures.MockPatch(
self.task_utils + ".resource_is")
self.mock_get_from_manager = fixtures.MockPatch(
self.task_utils + ".get_from_manager")
self.mock_wait_for = fixtures.MockPatch(
self.task_utils + ".wait_for")
self.mock_wait_for_delete = fixtures.MockPatch(
self.task_utils + ".wait_for_delete")
self.mock_wait_for_status = fixtures.MockPatch(
self.task_utils + ".wait_for_status")
self.useFixture(self.mock_resource_is)
self.useFixture(self.mock_get_from_manager)
self.useFixture(self.mock_wait_for)
self.useFixture(self.mock_wait_for_delete)
self.useFixture(self.mock_wait_for_status)
self.mock_sleep = fixtures.MockPatch("time.sleep")
self.useFixture(self.mock_sleep)
self._clients = {}
self._client_mocks = self.get_client_mocks()
for patcher in self._client_mocks:
patcher.start()
self.context = self.get_test_context()
def tearDown(self):
for patcher in self._client_mocks:
patcher.stop()
super(ScenarioTestCase, self).tearDown()
class ContextClientAdapter(object):
def __init__(self, endpoint, test_case):
self.endpoint = endpoint
self.test_case = test_case
def mock_client(self, name, version=None):
admin = self.endpoint.startswith("admin")
client = self.test_case.clients(name, version=version, admin=admin)
if not isinstance(client.return_value, mock.Mock):
return client.return_value
if client.side_effect is not None:
# NOTE(pboldin): if a client has side_effects that means the
# user wants some of the returned values overrided (look at
# the test_existing_users for instance)
return client()
return client
def __getattr__(self, name):
# NOTE(pboldin): __getattr__ magic is called last, after the value
# were looked up for in __dict__
return lambda version=None: self.mock_client(name, version)
class ContextTestCase(ScenarioTestCase):
def setUp(self):
super(ContextTestCase, self).setUp()
self._adapters = {}
def context_client(self, endpoint, api_info=None):
if endpoint not in self._adapters:
self._adapters[endpoint] = ContextClientAdapter(endpoint, self)
return self._adapters[endpoint]
def get_client_mocks(self):
return [
mock.patch(
"rally_openstack.common.osclients.Clients",
mock.Mock(side_effect=self.context_client))
]
class FakeClientsScenarioTestCase(ScenarioTestCase):
"""Base class for Scenario tests using fake (not mocked) self.clients."""
def client_factory(self, client_type, version=None, admin=False):
return getattr(self._fake_clients, client_type)()
def setUp(self):
super(FakeClientsScenarioTestCase, self).setUp()
self._fake_clients = fakes.FakeClients()
def get_test_context(**kwargs):
kwargs["task"] = {"uuid": str(uuid.uuid4())}
kwargs["owner_id"] = str(uuid.uuid4())
return kwargs