almanach/almanach/tests/unit/core/controllers/test_entity_controller.py

237 lines
9.3 KiB
Python

# Copyright 2016 Internap.
#
# 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.
from copy import copy
from datetime import datetime
from dateutil.parser import parse
import mock
import pytz
from almanach.core.controllers import entity_controller
from almanach.core import exception
from almanach.storage.drivers import base_driver
from almanach.tests.unit import base
from almanach.tests.unit.builders.entity import a
from almanach.tests.unit.builders.entity import instance
class TestEntityController(base.BaseTestCase):
def setUp(self):
super(TestEntityController, self).setUp()
self.database_adapter = mock.Mock(spec=base_driver.BaseDriver)
self.controller = entity_controller.EntityController(self.database_adapter)
def test_update_active_instance_entity_with_a_new_flavor(self):
flavor = u"my flavor name"
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
flavor=flavor,
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, flavor=flavor)
def test_update_active_instance_entity_with_a_new_name(self):
name = u"my instance name"
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
name=name,
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, name=name)
def test_update_active_instance_entity_with_a_new_os(self):
os = {
"os_type": u"linux",
"version": u"7",
"distro": u"centos"
}
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
os=os,
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, os=os)
def test_update_active_instance_entity_with_a_new_metadata(self):
metadata = {
"key": "value"
}
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
metadata=metadata,
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, metadata=metadata)
def test_update_active_instance_entity_with_a_new_start_date(self):
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
start_date="2015-10-21T16:25:00.000000Z",
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, start="2015-10-21T16:25:00.000000Z")
def test_update_active_instance_entity_with_a_new_end_date(self):
fake_instance1 = a(instance())
fake_instance2 = copy(fake_instance1)
self.controller.update_active_instance_entity(
instance_id=fake_instance1.entity_id,
end_date="2015-10-21T16:25:00.000000Z",
)
self._expect_get_active_entity_and_update(fake_instance1, fake_instance2, end="2015-10-21T16:25:00.000000Z")
def test_update_entity_closed_entity_flavor(self):
start = datetime(2016, 3, 1, 0, 0, 0, 0, pytz.utc)
end = datetime(2016, 3, 3, 0, 0, 0, 0, pytz.utc)
flavor = 'a_new_flavor'
fake_instance1 = a(instance().with_start(2016, 3, 1, 0, 0, 0).with_end(2016, 3, 2, 0, 0, 0))
self.database_adapter.get_all_entities_by_id_and_date.side_effect = [[fake_instance1], [fake_instance1]]
calls = [
mock.call(fake_instance1.entity_id, start, end),
mock.call(fake_instance1.entity_id, start, end)
]
self.controller.update_inactive_entity(
instance_id=fake_instance1.entity_id,
start=start,
end=end,
flavor=flavor,
)
self.database_adapter.get_all_entities_by_id_and_date.assert_has_calls(calls)
self.database_adapter.update_closed_entity.expect_called_once_with(
entity=fake_instance1, data={"flavor": flavor}
)
def test_update_one_closed_entity_return_multiple_entities(self):
fake_instances = [a(instance()), a(instance())]
self.database_adapter.get_all_entities_by_id_and_date.return_value = fake_instances
self.assertRaises(exception.MultipleEntitiesMatchingQueryException,
self.controller.update_inactive_entity,
instance_id=fake_instances[0].entity_id,
start=fake_instances[0].start,
end=fake_instances[0].end,
flavor=fake_instances[0].flavor)
self.database_adapter.get_all_entities_by_id_and_date.expect_called_once_with(
fake_instances[0].entity_id, fake_instances[0].start, fake_instances[0].end
)
def test_update_one_closed_entity_return_no_entity(self):
fake_instance = a(instance())
self.database_adapter.get_all_entities_by_id_and_date.return_value = []
self.assertRaises(exception.EntityNotFoundException,
self.controller.update_inactive_entity,
instance_id=fake_instance.entity_id,
start=fake_instance.start,
end=fake_instance.end,
flavor=fake_instance.flavor)
self.database_adapter.get_all_entities_by_id_and_date.expect_called_once_with(
fake_instance.entity_id, fake_instance.start, fake_instance.end
)
def test_list_entities(self):
self.database_adapter.get_all_entities_by_project.return_value = ["volume2", "volume3", "instance1"]
self.assertEqual(
self.controller.list_entities("project_id", "start", "end"),
["volume2", "volume3", "instance1"]
)
self.database_adapter.get_all_entities_by_project.expect_called_once_with(
"project_id", "start", "end"
)
def test_entity_exists(self):
entity_id = "some_entity_id"
self.database_adapter.count_entity_entries.return_value = 1
self.assertTrue(self.controller.entity_exists(entity_id))
self.database_adapter.count_entity_entries.expect_called_once_with(entity_id=entity_id)
def test_entity_exists_not(self):
entity_id = "some_entity_id"
self.database_adapter.count_entity_entries.return_value = 0
self.assertEqual(False, self.controller.entity_exists(entity_id))
self.database_adapter.count_entity_entries.expect_called_once_with(entity_id=entity_id)
def test_get_all_entities_by_id(self):
entity_id = "some_entity_id"
fake_entity = a(instance().with_id(entity_id))
result = [fake_entity]
self.database_adapter.count_entity_entries.return_value = 1
self.database_adapter.get_all_entities_by_id.return_value = result
self.assertEqual(result, self.controller.get_all_entities_by_id(entity_id))
self.database_adapter.count_entity_entries.expect_called_once_with(entity_id=entity_id)
self.database_adapter.get_all_entities_by_id.expect_called_once_with(entity_id=entity_id)
def test_get_all_entities_by_id_when_entity_not_found(self):
entity_id = "some_entity_id"
self.database_adapter.count_entity_entries.return_value = 0
self.assertRaises(exception.EntityNotFoundException,
self.controller.get_all_entities_by_id,
entity_id)
self.database_adapter.count_entity_entries.expect_called_once_with(entity_id=entity_id)
def test_instance_updated_wrong_attributes_raises_exception(self):
fake_instance1 = a(instance())
self.database_adapter.get_active_entity.return_value = fake_instance1
self.assertRaises(exception.InvalidAttributeException,
self.controller.update_active_instance_entity,
instance_id=fake_instance1.entity_id,
wrong_attribute="this is wrong")
self.database_adapter.get_active_entity.expect_called_once_with(fake_instance1.entity_id)
def _expect_get_active_entity_and_update(self, fake_instance1, fake_instance2, **kwargs):
self.database_adapter.get_active_entity.return_value = fake_instance1
for key, value in kwargs.items():
if key in ['start', 'end']:
value = parse(value)
setattr(fake_instance2, key, value)
self.database_adapter.get_active_entity.expect_called_once_with(fake_instance1.entity_id)
self.database_adapter.update_active_entity.expect_called_once_with(fake_instance2)