aodh/ceilometer/tests/objectstore/test_swift_middleware.py
Zhongyue Luo f3e03442a7 Utilizes assertIsNone and assertIsNotNone
Using assertEqual/assertNotEqual to test if an element
is or is not None is too python2.4.
Our unit testing framework supports assertIsNone and assertIsNotNone
which were created for these types of tests.

Change-Id: Ieba2d4ce5602885dc8a33a938a40f3086879b2c3
2014-01-03 13:04:52 +08:00

273 lines
12 KiB
Python

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
#
# Copyright © 2012 eNovance <licensing@enovance.com>
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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 cStringIO as StringIO
import mock
import webob
from ceilometer.objectstore import swift_middleware
from ceilometer.openstack.common.fixture import config
from ceilometer.openstack.common.fixture.mockpatch import PatchObject
from ceilometer.openstack.common import test
from ceilometer import pipeline
class FakeApp(object):
def __init__(self, body=['This string is 28 bytes long']):
self.body = body
def __call__(self, env, start_response):
start_response('200 OK', [
('Content-Type', 'text/plain'),
('Content-Length', str(sum(map(len, self.body))))
])
while env['wsgi.input'].read(5):
pass
return self.body
class TestSwiftMiddleware(test.BaseTestCase):
class _faux_pipeline_manager(pipeline.PipelineManager):
class _faux_pipeline(object):
def __init__(self, pipeline_manager):
self.pipeline_manager = pipeline_manager
self.samples = []
def publish_samples(self, ctxt, samples):
self.samples.extend(samples)
def flush(self, context):
pass
def __init__(self):
self.pipelines = [self._faux_pipeline(self)]
def _fake_setup_pipeline(self, transformer_manager):
return self.pipeline_manager
def setUp(self):
super(TestSwiftMiddleware, self).setUp()
self.pipeline_manager = self._faux_pipeline_manager()
self.useFixture(PatchObject(pipeline, 'setup_pipeline',
side_effect=self._fake_setup_pipeline))
self.CONF = self.useFixture(config.Config()).conf
@staticmethod
def start_response(*args):
pass
def test_rpc_setup(self):
swift_middleware.CeilometerMiddleware(FakeApp(), {})
self.assertEqual(self.CONF.control_exchange, 'ceilometer')
def test_get(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = webob.Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
resp = app(req.environ, self.start_response)
self.assertEqual(list(resp), ["This string is 28 bytes long"])
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
self.assertEqual(data.volume, 28)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = samples[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'get')
def test_put(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = webob.Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'PUT',
'wsgi.input':
StringIO.StringIO('some stuff')})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
self.assertEqual(data.volume, 10)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = samples[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'put')
def test_post(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = webob.Request.blank(
'/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'POST',
'wsgi.input': StringIO.StringIO('some other stuff')})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
self.assertEqual(data.volume, 16)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = samples[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'post')
def test_head(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = webob.Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'HEAD'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 1)
data = samples[0]
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
self.assertEqual(data.resource_metadata['method'], 'head')
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
def test_bogus_request(self):
"""Test even for arbitrary request method, this will still work."""
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = webob.Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'BOGUS'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 1)
data = samples[0]
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
self.assertEqual(data.resource_metadata['method'], 'bogus')
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
def test_get_container(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = webob.Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
self.assertEqual(data.volume, 28)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertIsNone(data.resource_metadata['object'])
def test_no_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = webob.Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 0)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertIsNone(data.resource_metadata['object'])
def test_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'X_VAR1, x-var2, x-var3'
})
req = webob.Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'},
headers={'X_VAR1': 'value1',
'X_VAR2': 'value2'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 2)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertIsNone(data.resource_metadata['object'])
self.assertEqual(data.resource_metadata['http_header_x_var1'],
'value1')
self.assertEqual(data.resource_metadata['http_header_x_var2'],
'value2')
self.assertFalse('http_header_x_var3' in data.resource_metadata)
def test_metadata_headers_on_not_existing_header(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'x-var3'
})
req = webob.Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 2)
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 0)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertIsNone(data.resource_metadata['object'])
def test_bogus_path(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = webob.Request.blank('//v1/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 0)
def test_missing_resource_id(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = webob.Request.blank('/5.0/', environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 0)
@mock.patch.object(swift_middleware.CeilometerMiddleware,
'publish_sample')
def test_publish_sample_fail(self, mocked_publish_sample):
mocked_publish_sample.side_effect = Exception("a exception")
app = swift_middleware.CeilometerMiddleware(FakeApp(body=["test"]), {})
req = webob.Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
resp = list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(len(samples), 0)
self.assertEqual(resp, ["test"])
mocked_publish_sample.assert_called_once_with(mock.ANY, 0, 4)