276 lines
12 KiB
Python
276 lines
12 KiB
Python
#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 eNovance <licensing@enovance.com>
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#
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# Author: Julien Danjou <julien@danjou.info>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import cStringIO as StringIO
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import mock
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from webob import Request
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from ceilometer.objectstore import swift_middleware
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from ceilometer.openstack.common.fixture import config
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from ceilometer.openstack.common.fixture import moxstubout
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from ceilometer.openstack.common import test
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from ceilometer import pipeline
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class FakeApp(object):
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def __init__(self, body=['This string is 28 bytes long']):
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self.body = body
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def __call__(self, env, start_response):
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start_response('200 OK', [
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('Content-Type', 'text/plain'),
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('Content-Length', str(sum(map(len, self.body))))
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])
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while env['wsgi.input'].read(5):
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pass
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return self.body
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class TestSwiftMiddleware(test.BaseTestCase):
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class _faux_pipeline_manager(pipeline.PipelineManager):
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class _faux_pipeline(object):
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def __init__(self, pipeline_manager):
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self.pipeline_manager = pipeline_manager
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self.samples = []
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def publish_samples(self, ctxt, samples):
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self.samples.extend(samples)
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def flush(self, context):
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pass
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def __init__(self):
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self.pipelines = [self._faux_pipeline(self)]
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def _faux_setup_pipeline(self, transformer_manager):
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return self.pipeline_manager
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def setUp(self):
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super(TestSwiftMiddleware, self).setUp()
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self.stubs = self.useFixture(moxstubout.MoxStubout()).stubs
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self.pipeline_manager = self._faux_pipeline_manager()
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self.stubs.Set(pipeline, 'setup_pipeline', self._faux_setup_pipeline)
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self.CONF = self.useFixture(config.Config()).conf
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@staticmethod
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def start_response(*args):
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pass
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def test_rpc_setup(self):
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swift_middleware.CeilometerMiddleware(FakeApp(), {})
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self.assertEqual(self.CONF.control_exchange, 'ceilometer')
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def test_get(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
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req = Request.blank('/1.0/account/container/obj',
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environ={'REQUEST_METHOD': 'GET'})
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resp = app(req.environ, self.start_response)
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self.assertEqual(list(resp), ["This string is 28 bytes long"])
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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self.assertEqual(data.volume, 28)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], 'obj')
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# test the # of request and the request method
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data = samples[1]
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self.assertEqual(data.name, 'storage.api.request')
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self.assertEqual(data.volume, 1)
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self.assertEqual(data.resource_metadata['method'], 'get')
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def test_put(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
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req = Request.blank('/1.0/account/container/obj',
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environ={'REQUEST_METHOD': 'PUT',
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'wsgi.input':
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StringIO.StringIO('some stuff')})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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self.assertEqual(data.volume, 10)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], 'obj')
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# test the # of request and the request method
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data = samples[1]
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self.assertEqual(data.name, 'storage.api.request')
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self.assertEqual(data.volume, 1)
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self.assertEqual(data.resource_metadata['method'], 'put')
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def test_post(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
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req = Request.blank('/1.0/account/container/obj',
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environ={'REQUEST_METHOD': 'POST',
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'wsgi.input':
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StringIO.StringIO('some other stuff')})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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self.assertEqual(data.volume, 16)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], 'obj')
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# test the # of request and the request method
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data = samples[1]
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self.assertEqual(data.name, 'storage.api.request')
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self.assertEqual(data.volume, 1)
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self.assertEqual(data.resource_metadata['method'], 'post')
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def test_head(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
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req = Request.blank('/1.0/account/container/obj',
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environ={'REQUEST_METHOD': 'HEAD'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 1)
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data = samples[0]
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], 'obj')
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self.assertEqual(data.resource_metadata['method'], 'head')
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self.assertEqual(data.name, 'storage.api.request')
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self.assertEqual(data.volume, 1)
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def test_bogus_request(self):
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"""Test even for arbitrary request method, this will still work."""
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app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
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req = Request.blank('/1.0/account/container/obj',
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environ={'REQUEST_METHOD': 'BOGUS'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 1)
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data = samples[0]
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], 'obj')
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self.assertEqual(data.resource_metadata['method'], 'bogus')
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self.assertEqual(data.name, 'storage.api.request')
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self.assertEqual(data.volume, 1)
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def test_get_container(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
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req = Request.blank('/1.0/account/container',
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environ={'REQUEST_METHOD': 'GET'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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self.assertEqual(data.volume, 28)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], None)
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def test_no_metadata_headers(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
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req = Request.blank('/1.0/account/container',
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environ={'REQUEST_METHOD': 'GET'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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http_headers = [k for k in data.resource_metadata.keys()
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if k.startswith('http_header_')]
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self.assertEqual(len(http_headers), 0)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], None)
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def test_metadata_headers(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {
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'metadata_headers': 'X_VAR1, x-var2, x-var3'
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})
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req = Request.blank('/1.0/account/container',
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environ={'REQUEST_METHOD': 'GET'},
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headers={
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'X_VAR1': 'value1',
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'X_VAR2': 'value2'
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})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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http_headers = [k for k in data.resource_metadata.keys()
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if k.startswith('http_header_')]
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self.assertEqual(len(http_headers), 2)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], None)
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self.assertEqual(data.resource_metadata['http_header_x_var1'],
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'value1')
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self.assertEqual(data.resource_metadata['http_header_x_var2'],
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'value2')
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self.assertFalse('http_header_x_var3' in data.resource_metadata)
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def test_metadata_headers_on_not_existing_header(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {
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'metadata_headers': 'x-var3'
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})
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req = Request.blank('/1.0/account/container',
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environ={'REQUEST_METHOD': 'GET'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 2)
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data = samples[0]
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http_headers = [k for k in data.resource_metadata.keys()
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if k.startswith('http_header_')]
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self.assertEqual(len(http_headers), 0)
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self.assertEqual(data.resource_metadata['version'], '1.0')
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self.assertEqual(data.resource_metadata['container'], 'container')
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self.assertEqual(data.resource_metadata['object'], None)
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def test_bogus_path(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
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req = Request.blank('//v1/account/container',
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environ={'REQUEST_METHOD': 'GET'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 0)
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def test_missing_resource_id(self):
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app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
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req = Request.blank('/5.0/',
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environ={'REQUEST_METHOD': 'GET'})
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list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 0)
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@mock.patch.object(swift_middleware.CeilometerMiddleware,
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'publish_sample')
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def test_publish_sample_fail(self, mocked_publish_sample):
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mocked_publish_sample.side_effect = Exception("a exception")
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app = swift_middleware.CeilometerMiddleware(FakeApp(body=["test"]), {})
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req = Request.blank('/1.0/account/container',
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environ={'REQUEST_METHOD': 'GET'})
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resp = list(app(req.environ, self.start_response))
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samples = self.pipeline_manager.pipelines[0].samples
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self.assertEqual(len(samples), 0)
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self.assertEqual(resp, ["test"])
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mocked_publish_sample.assert_called_once_with(mock.ANY, 0, 4)
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