269 lines
10 KiB
Python
269 lines
10 KiB
Python
#
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# Copyright 2015 Hewlett Packard
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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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"""Test api with Monasca driver
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"""
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import mock
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import pkg_resources
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from oslo_config import cfg
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from oslo_config import fixture as fixture_config
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from oslotest import mockpatch
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from stevedore import driver
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from stevedore import extension
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from ceilometer import storage
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from ceilometer.tests import base as test_base
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from oslo_policy import opts
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import pecan
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import pecan.testing
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OPT_GROUP_NAME = 'keystone_authtoken'
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cfg.CONF.import_group(OPT_GROUP_NAME, "keystonemiddleware.auth_token")
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class TestApi(test_base.BaseTestCase):
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# TODO(Unresolved comment from git review: Can we include CM-api test
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# cases for get_samples in
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# ceilometer/tests/api/v2/test_api_with_monasca_driver.py?)
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def _get_driver_from_entry_point(self, entry_point, namespace):
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ep = pkg_resources.EntryPoint.parse(entry_point)
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a_driver = extension.Extension('con_driver', ep,
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ep.load(require=False), None)
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mgr = driver.DriverManager.make_test_instance(
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a_driver, namespace=namespace
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)
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mgr._init_plugins([a_driver])
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return mgr
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def get_connection_with_mock_driver_manager(self, url, namespace):
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mgr = self._get_driver_from_entry_point(
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entry_point='monasca = ceilometer.storage.impl_monasca:Connection',
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namespace='ceilometer.metering.storage')
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return mgr.driver(url)
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def get_publisher_with_mock_driver_manager(self, url, namespace):
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mgr = self._get_driver_from_entry_point(
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entry_point='monasca = ceilometer.publisher.monclient:'
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'MonascaPublisher',
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namespace='ceilometer.publisher')
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return mgr.driver(url)
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def setUp(self):
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super(TestApi, self).setUp()
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self.PATH_PREFIX = '/v2'
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self.CONF = self.useFixture(fixture_config.Config()).conf
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self.CONF([], project='ceilometer', validate_default_values=True)
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self.setup_messaging(self.CONF)
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opts.set_defaults(self.CONF)
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self.CONF.set_override("auth_version", "v2.0",
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group=OPT_GROUP_NAME)
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self.CONF.set_override("policy_file",
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self.path_get('etc/ceilometer/policy.json'),
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group='oslo_policy')
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self.CONF.import_opt('pipeline_cfg_file', 'ceilometer.pipeline')
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self.CONF.set_override(
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'pipeline_cfg_file',
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self.path_get('etc/ceilometer/monasca_pipeline.yaml')
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)
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self.CONF.import_opt('monasca_mappings',
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'ceilometer.publisher.monasca_data_filter',
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group='monasca')
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self.CONF.set_override(
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'monasca_mappings',
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self.path_get('etc/ceilometer/monasca_field_definitions.yaml'),
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group='monasca'
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)
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with mock.patch("ceilometer.monasca_client.Client") as mock_client,\
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mock.patch('ceilometer.storage.get_connection') as \
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get_storage_conn, \
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mock.patch('ceilometer.publisher.get_publisher') as get_pub:
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get_storage_conn.side_effect = (
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self.get_connection_with_mock_driver_manager)
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get_pub.side_effect = self.get_publisher_with_mock_driver_manager
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self.mock_mon_client = mock_client
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self.conn = storage.get_connection('monasca://127.0.0.1:8080',
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'ceilometer.metering.storage')
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self.useFixture(mockpatch.Patch(
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'ceilometer.storage.get_connection',
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return_value=self.conn))
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self.app = self._make_app()
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def _make_app(self, enable_acl=False):
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self.config = {
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'app': {
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'root': 'ceilometer.api.controllers.root.RootController',
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'modules': ['ceilometer.api'],
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'enable_acl': enable_acl,
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},
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'wsme': {
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'debug': True,
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},
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}
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return pecan.testing.load_test_app(self.config)
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def get_json(self, path, expect_errors=False, headers=None,
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extra_environ=None, q=None, groupby=None, status=None,
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override_params=None, **params):
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"""Sends simulated HTTP GET request to Pecan test app.
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:param path: url path of target service
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:param expect_errors: boolean value whether an error is expected based
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on request
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:param headers: A dictionary of headers to send along with the request
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:param extra_environ: A dictionary of environ variables to send along
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with the request
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:param q: list of queries consisting of: field, value, op, and type
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keys
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:param groupby: list of fields to group by
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:param status: Expected status code of response
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:param override_params: literally encoded query param string
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:param params: content for wsgi.input of request
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"""
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q = q or []
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groupby = groupby or []
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full_path = self.PATH_PREFIX + path
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if override_params:
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all_params = override_params
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else:
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query_params = {'q.field': [],
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'q.value': [],
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'q.op': [],
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'q.type': [],
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}
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for query in q:
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for name in ['field', 'op', 'value', 'type']:
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query_params['q.%s' % name].append(query.get(name, ''))
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all_params = {}
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all_params.update(params)
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if q:
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all_params.update(query_params)
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if groupby:
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all_params.update({'groupby': groupby})
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response = self.app.get(full_path,
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params=all_params,
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headers=headers,
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extra_environ=extra_environ,
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expect_errors=expect_errors,
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status=status)
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if not expect_errors:
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response = response.json
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return response
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class TestListMeters(TestApi):
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def setUp(self):
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super(TestListMeters, self).setUp()
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self.meter_payload = [{'name': 'm1',
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'dimensions': {
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'type': 'gauge',
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'unit': 'any',
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'resource_id': 'resource-1',
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'project_id': 'project-1',
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'user_id': 'user-1',
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'source': 'source'}},
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{'name': 'm2',
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'dimensions': {
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'type': 'delta',
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'unit': 'any',
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'resource_id': 'resource-1',
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'project_id': 'project-1',
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'user_id': 'user-1',
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'source': 'source'}}]
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def test_empty(self):
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data = self.get_json('/meters')
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self.assertEqual([], data)
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def test_get_meters(self):
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mnl_mock = self.mock_mon_client().metrics_list
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mnl_mock.return_value = self.meter_payload
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data = self.get_json('/meters')
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self.assertEqual(True, mnl_mock.called)
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self.assertEqual(2, mnl_mock.call_count,
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"impl_monasca.py calls the metrics_list api twice.")
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self.assertEqual(2, len(data))
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(self.assertIn(meter['name'],
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[payload.get('name') for payload in
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self.meter_payload]) for meter in data)
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def test_get_meters_query_with_project_resource(self):
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"""Test meter name conversion for project-id and resource-id.
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Previous versions of the monasca client did not do this conversion.
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Pre-Newton expected:
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'dimensions': {'project_id': u'project-1','resource_id': u'resource-1'}
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Newton expected:
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'dimensions': {'hostname': u'resource-1','project_id': u'project-1'}
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"""
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mnl_mock = self.mock_mon_client().metrics_list
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mnl_mock.return_value = self.meter_payload
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self.get_json('/meters',
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q=[{'field': 'resource_id',
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'value': 'resource-1'},
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{'field': 'project_id',
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'value': 'project-1'}])
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self.assertEqual(True, mnl_mock.called)
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self.assertEqual(4, mnl_mock.call_count,
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"impl_monasca.py expected to make 4 calls to mock.")
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# Note - previous versions of the api included a limit value
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self.assertEqual(dict(dimensions=dict(hostname=u'resource-1',
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project_id=u'project-1')),
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mnl_mock.call_args[1])
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def test_get_meters_query_with_user(self):
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mnl_mock = self.mock_mon_client().metrics_list
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mnl_mock.return_value = self.meter_payload
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self.get_json('/meters',
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q=[{'field': 'user_id',
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'value': 'user-1'}])
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self.assertEqual(True, mnl_mock.called)
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self.assertEqual(2, mnl_mock.call_count,
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"impl_monasca.py calls the metrics_list api twice.")
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# Note - previous versions of the api included a limit value
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self.assertEqual(dict(dimensions=dict(user_id=u'user-1')),
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mnl_mock.call_args[1])
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# TODO(joadavis) Test a bad query parameter
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# Like using 'hostname' instead of 'resource_id'
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# Expected result with bad parameter:
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# webtest.app.AppError: Bad response: 400 Bad Request
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