rally/tests/unit/task/test_services.py

248 lines
8.4 KiB
Python

#
# 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 mock
from rally import exceptions
from rally.task import service
from tests.unit import test
PATH = "rally.task.service"
class ServiceTestCase(test.TestCase):
def setUp(self):
super(ServiceTestCase, self).setUp()
self.clients = mock.MagicMock()
self.clients.cc.choose_version.return_value = 1
@mock.patch("%s.atomic" % PATH)
def test_atomic(self, mock_atomic):
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
SomeV1Service(mock.MagicMock(), atomic_inst=mock.MagicMock())
self.assertFalse(mock_atomic.ActionTimerMixin.called)
# ensure that previous call will no affect anything
mock_atomic.ActionTimerMixin.reset_mock()
SomeV1Service(mock.MagicMock())
self.assertTrue(mock_atomic.ActionTimerMixin.called)
def test_generate_random_name(self):
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
self.assertRaises(exceptions.RallyException,
SomeV1Service(self.clients).generate_random_name)
name_generator = mock.MagicMock()
impl = SomeV1Service(self.clients, name_generator=name_generator)
self.assertEqual(name_generator.return_value,
impl.generate_random_name())
name_generator.assert_called_once_with()
def test_version(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "1"
self.assertEqual("1", SomeService(clients).version)
self.assertEqual("1", SomeV1Service(clients).version)
self.assertEqual("1", UnifiedSomeV1Service(clients).version)
def test_is_applicable(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "1"
self.assertFalse(SomeService.is_applicable(clients))
self.assertTrue(UnifiedSomeV1Service.is_applicable(clients))
clients.some_service.choose_version.return_value = "2"
self.assertFalse(SomeService.is_applicable(clients))
self.assertFalse(UnifiedSomeV1Service.is_applicable(clients))
class ServiceMetaTestCase(test.TestCase):
def test_servicemeta_fail_on_missed_public_function(self):
def init_classes():
class SomeService(service.UnifiedService):
@service.should_be_overridden
def foo(self):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
e = self.assertRaises(exceptions.RallyException, init_classes)
self.assertIn("Missed method(s): foo", str(e))
class DiscoverTestCase(test.TestCase):
def test_discover_impl_based_on_version(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
@service.service("some_service", "some_type", version="2")
class SomeV2Service(service.Service):
pass
@service.compat_layer(SomeV2Service)
class UnifiedSomeV2Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "1"
self.assertIsInstance(SomeService(clients)._impl, UnifiedSomeV1Service)
clients.some_service.choose_version.return_value = "2"
self.assertIsInstance(SomeService(clients)._impl, UnifiedSomeV2Service)
self.assertFalse(clients.services.called)
def test_discover_impl_based_on_service(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
@service.service("another_impl_of_some_service", "another_type",
version="2")
class AnotherSomeV2Service(service.Service):
pass
@service.compat_layer(AnotherSomeV2Service)
class UnifiedAnotherSomeV2Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "1"
clients.another_impl_of_some_service.choose_version.return_value = "2"
clients.services.return_value = {"some_type": "some_service"}
self.assertIsInstance(SomeService(clients)._impl, UnifiedSomeV1Service)
clients.services.return_value = {
"another_type": "another_impl_of_some_service"}
self.assertIsInstance(SomeService(clients)._impl,
UnifiedAnotherSomeV2Service)
def test_discover_impl_fail_with_wrong_version(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(service.Service):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "2"
e = self.assertRaises(exceptions.RallyException, SomeService, clients)
self.assertEqual("There is no proper implementation for "
"SomeService.", str(e))
def test_discover_impl_fail_with_unavailable_service(self):
class SomeService(service.UnifiedService):
pass
@service.service("some_service", "some_type", version="1")
class SomeV1Service(SomeService):
pass
@service.compat_layer(SomeV1Service)
class UnifiedSomeV1Service(SomeService):
pass
@service.service("another_service", "another_type", version="2")
class AnotherSomeV2Service(SomeService):
pass
@service.compat_layer(AnotherSomeV2Service)
class UnifiedAnotherSomeV2Service(SomeService):
pass
clients = mock.MagicMock()
clients.some_service.choose_version.return_value = "1"
clients.another_service.choose_version.return_value = "2"
clients.services.return_value = {}
e = self.assertRaises(exceptions.RallyException, SomeService, clients)
self.assertEqual("There is no proper implementation for SomeService.",
str(e))
class MethodWrapperTestCase(test.TestCase):
def test_positional(self):
class Some(object):
@service.method_wrapper
def foo(slf, *args, **kwargs):
if len(args) > 1:
self.fail("`method_wrapper` should fail when number of "
"positional arguments are bigger than 1.")
Some().foo()
Some().foo(some=2, another=3)
Some().foo(1, some=2, another=3)
self.assertRaises(TypeError, Some().foo, 1, 2)