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# Copyright (c) 2017 Cable Television Laboratories, Inc. ("CableLabs")
# and others. 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.
from snaps.config.qos import Consumer, QoSConfigError, QoSConfig
from snaps.openstack.create_qos import Consumer as Consumer_old
try:
from urllib.request import URLError
except ImportError:
from urllib2 import URLError
import logging
import unittest
import uuid
from snaps.openstack import create_qos
from snaps.openstack.create_qos import QoSSettings
from snaps.openstack.tests.os_source_file_test import OSIntegrationTestCase
from snaps.openstack.utils import cinder_utils
__author__ = 'spisarski'
logger = logging.getLogger('create_qos_tests')
class QoSSettingsUnitTests(unittest.TestCase):
"""
Tests the construction of the QoSSettings class
"""
def test_no_params(self):
with self.assertRaises(QoSConfigError):
QoSSettings()
def test_empty_config(self):
with self.assertRaises(QoSConfigError):
QoSSettings(**dict())
def test_name_only(self):
with self.assertRaises(QoSConfigError):
QoSSettings(name='foo')
def test_config_with_name_only(self):
with self.assertRaises(QoSConfigError):
QoSSettings(**{'name': 'foo'})
def test_invalid_consumer(self):
with self.assertRaises(QoSConfigError):
QoSSettings(name='foo', consumer='bar')
def test_config_with_invalid_consumer(self):
with self.assertRaises(QoSConfigError):
QoSSettings(**{'name': 'foo', 'consumer': 'bar'})
def test_name_consumer(self):
settings = QoSSettings(name='foo', consumer=Consumer_old.front_end)
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer_old.front_end.value, settings.consumer.value)
self.assertEqual(dict(), settings.specs)
def test_name_consumer_front_end_strings(self):
settings = QoSSettings(name='foo', consumer='front-end')
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer_old.front_end.value, settings.consumer.value)
self.assertEqual(dict(), settings.specs)
def test_name_consumer_back_end_strings(self):
settings = QoSSettings(name='foo', consumer='back-end')
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer_old.back_end.value, settings.consumer.value)
self.assertEqual(dict(), settings.specs)
def test_name_consumer_both_strings(self):
settings = QoSSettings(name='foo', consumer='both')
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer_old.both.value, settings.consumer.value)
self.assertEqual(dict(), settings.specs)
def test_all(self):
specs = {'spec1': 'val1', 'spec2': 'val2'}
settings = QoSSettings(name='foo', consumer=Consumer_old.both,
specs=specs)
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer_old.both.value, settings.consumer.value)
self.assertEqual(specs, settings.specs)
def test_config_all(self):
settings = QoSSettings(
**{'name': 'foo', 'consumer': 'both', 'specs': {'spec1': 'val1'}})
self.assertEqual('foo', settings.name)
self.assertEqual(Consumer.both, settings.consumer)
self.assertEqual({'spec1': 'val1'}, settings.specs)
class CreateQoSTests(OSIntegrationTestCase):
"""
Test for the CreateQoS class defined in create_qos.py
"""
def setUp(self):
"""
Instantiates the CreateQoS object that is responsible for
downloading and creating an OS QoS Spec file within OpenStack
"""
super(self.__class__, self).__start__()
guid = uuid.uuid4()
self.qos_settings = QoSConfig(
name=self.__class__.__name__ + '-' + str(guid),
consumer=Consumer.both)
self.cinder = cinder_utils.cinder_client(self.os_creds)
self.qos_creator = None
def tearDown(self):
"""
Cleans the Qos Spec
"""
if self.qos_creator:
self.qos_creator.clean()
super(self.__class__, self).__clean__()
def test_create_qos(self):
"""
Tests the creation of an OpenStack qos.
"""
# Create QoS
self.qos_creator = create_qos.OpenStackQoS(
self.os_creds, self.qos_settings)
created_qos = self.qos_creator.create()
self.assertIsNotNone(created_qos)
retrieved_qos = cinder_utils.get_qos(
self.cinder, qos_settings=self.qos_settings)
self.assertIsNotNone(retrieved_qos)
self.assertEqual(created_qos, retrieved_qos)
def test_create_delete_qos(self):
"""
Tests the creation then deletion of an OpenStack QoS Spec to ensure
clean() does not raise an Exception.
"""
# Create QoS
self.qos_creator = create_qos.OpenStackQoS(
self.os_creds, self.qos_settings)
created_qos = self.qos_creator.create()
self.assertIsNotNone(created_qos)
retrieved_qos = cinder_utils.get_qos(
self.cinder, qos_settings=self.qos_settings)
self.assertIsNotNone(retrieved_qos)
self.assertEqual(created_qos, retrieved_qos)
# Delete QoS manually
cinder_utils.delete_qos(self.cinder, created_qos)
self.assertIsNone(cinder_utils.get_qos(
self.cinder, qos_settings=self.qos_settings))
# Must not raise an exception when attempting to cleanup non-existent
# qos
self.qos_creator.clean()
self.assertIsNone(self.qos_creator.get_qos())
def test_create_same_qos(self):
"""
Tests the creation of an OpenStack qos when one already exists.
"""
# Create QoS
self.qos_creator = create_qos.OpenStackQoS(
self.os_creds, self.qos_settings)
qos1 = self.qos_creator.create()
retrieved_qos = cinder_utils.get_qos(
self.cinder, qos_settings=self.qos_settings)
self.assertEqual(qos1, retrieved_qos)
# Should be retrieving the instance data
os_qos_2 = create_qos.OpenStackQoS(
self.os_creds, self.qos_settings)
qos2 = os_qos_2.create()
self.assertEqual(qos1, qos2)
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