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# Copyright 2013 IBM Corp.
#
# 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 os
import testscenarios
import nova.conf
from nova.tests import fixtures
from nova.tests.fixtures import api_paste as api_paste_fixture
from nova.tests.functional import api_samples_test_base
CONF = nova.conf.CONF
# API samples heavily uses testscenarios. This allows us to use the
# same tests, with slight variations in configuration to ensure our
# various ways of calling the API are compatible. Testscenarios works
# through the class level ``scenarios`` variable. It is an array of
# tuples where the first value in each tuple is an arbitrary name for
# the scenario (should be unique), and the second item is a dictionary
# of attributes to change in the class for the test.
#
# By default we're running scenarios for 2 situations
#
# - Hitting the default /v2 endpoint with the v2.1 Compatibility stack
#
# - Hitting the default /v2.1 endpoint
#
# Things we need to set:
#
# - api_major_version - what version of the API we should be hitting
#
# - microversion - what API microversion should be used
#
# - _additional_fixtures - any additional fixtures need
#
# NOTE(sdague): if you want to build a test that only tests specific
# microversions, then replace the ``scenarios`` class variable in that
# test class with something like:
#
# [("v2_11", {'api_major_version': 'v2.1', 'microversion': '2.11'})]
class ApiSampleTestBaseV21(testscenarios.WithScenarios,
api_samples_test_base.ApiSampleTestBase):
SUPPORTS_CELLS = False
api_major_version = 'v2'
# any additional fixtures needed for this scenario
_additional_fixtures = []
sample_dir = None
# Include the project ID in request URLs by default. This is overridden
# for certain `scenarios` and by certain subclasses.
# Note that API sample tests also use this in substitutions to validate
# that URLs in responses (e.g. location of a server just created) are
# correctly constructed.
USE_PROJECT_ID = True
# Availability zones for the API samples tests. Can be overridden by
# sub-classes. If set, the AvailabilityZoneFilter is not used.
availability_zones = ['us-west']
scenarios = [
# test v2 with the v2.1 compatibility stack
('v2', {
'api_major_version': 'v2'}),
# test v2.1 base microversion
('v2_1', {
'api_major_version': 'v2.1'}),
# test v2.18 code without project id
('v2_1_noproject_id', {
'api_major_version': 'v2.1',
'USE_PROJECT_ID': False,
'_additional_fixtures': [
api_paste_fixture.ApiPasteNoProjectId]})
]
def setUp(self):
self.flags(glance_link_prefix=self._get_glance_host(),
compute_link_prefix=self._get_host(),
group='api')
# load any additional fixtures specified by the scenario
for fix in self._additional_fixtures:
self.useFixture(fix())
if not self.SUPPORTS_CELLS:
# NOTE(danms): Disable base automatic DB (and cells) config
self.USES_DB = False
self.USES_DB_SELF = True
# super class call is delayed here so that we have the right
# paste and conf before loading all the services, as we can't
# change these later.
super(ApiSampleTestBaseV21, self).setUp()
if not self.SUPPORTS_CELLS:
self.useFixture(fixtures.Database())
self.useFixture(fixtures.Database(database='api'))
self.useFixture(fixtures.DefaultFlavorsFixture())
self.useFixture(fixtures.SingleCellSimple())
super(ApiSampleTestBaseV21, self)._setup_services()
self.useFixture(fixtures.SpawnIsSynchronousFixture())
# this is used to generate sample docs
self.generate_samples = os.getenv('GENERATE_SAMPLES') is not None
if self.availability_zones:
self.useFixture(
fixtures.AvailabilityZoneFixture(self.availability_zones))
def _setup_services(self):
pass
def _setup_scheduler_service(self):
"""Overrides _IntegratedTestBase._setup_scheduler_service to filter
out the AvailabilityZoneFilter prior to starting the scheduler.
"""
if self.availability_zones:
# The test is using fake zones so disable the
# AvailabilityZoneFilter which is otherwise enabled by default.
enabled_filters = CONF.filter_scheduler.enabled_filters
if 'AvailabilityZoneFilter' in enabled_filters:
enabled_filters.remove('AvailabilityZoneFilter')
self.flags(enabled_filters=enabled_filters,
group='filter_scheduler')
return super(ApiSampleTestBaseV21, self)._setup_scheduler_service()
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