186 lines
7.5 KiB
Python
186 lines
7.5 KiB
Python
# Copyright 2015 Hewlett-Packard Company
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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 os
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from keystoneauth1 import loading as ka_loading
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import mock
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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 oslo_utils import fileutils
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from oslo_utils import netutils
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from oslotest import base
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from ceilometer import monasca_client
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from monascaclient import exc
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cfg.CONF.import_group('service_credentials', 'ceilometer.service')
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class TestMonascaClient(base.BaseTestCase):
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def setUp(self):
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super(TestMonascaClient, self).setUp()
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content = ("[service_credentials]\n"
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"auth_type = password\n"
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"username = ceilometer\n"
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"password = admin\n"
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"auth_url = http://localhost:5000/v2.0\n")
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tempfile = fileutils.write_to_tempfile(content=content,
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prefix='ceilometer',
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suffix='.conf')
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self.addCleanup(os.remove, tempfile)
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self.conf = self.useFixture(fixture_config.Config()).conf
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self.conf([], default_config_files=[tempfile])
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ka_loading.load_auth_from_conf_options(self.conf,
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"service_credentials")
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self.conf.set_override('max_retries', 0, 'database')
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self.mc = self._get_client()
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def tearDown(self):
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# For some reason, cfg.CONF is registered a required option named
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# auth_url after these tests run, which occasionally blocks test
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# case test_event_pipeline_endpoint_requeue_on_failure, so we
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# unregister it here.
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self.conf.reset()
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self.conf.unregister_opt(cfg.StrOpt('auth_url'),
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group='service_credentials')
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super(TestMonascaClient, self).tearDown()
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@mock.patch('monascaclient.client.Client')
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@mock.patch('monascaclient.ksclient.KSClient')
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def _get_client(self, ksclass_mock, monclient_mock):
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ksclient_mock = ksclass_mock.return_value
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ksclient_mock.token.return_value = "token123"
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return monasca_client.Client(
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netutils.urlsplit("http://127.0.0.1:8080"))
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@mock.patch('monascaclient.client.Client')
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@mock.patch('monascaclient.ksclient.KSClient')
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def test_client_url_correctness(self, ksclass_mock, monclient_mock):
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ksclient_mock = ksclass_mock.return_value
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ksclient_mock.token.return_value = "token123"
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mon_client = monasca_client.Client(
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netutils.urlsplit("monasca://https://127.0.0.1:8080"))
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self.assertEqual("https://127.0.0.1:8080", mon_client._endpoint)
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def test_metrics_create(self):
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with mock.patch.object(self.mc._mon_client.metrics, 'create',
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side_effect=[True]) as create_patch:
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self.mc.metrics_create()
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self.assertEqual(1, create_patch.call_count)
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def test_metrics_create_exception(self):
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with mock.patch.object(
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self.mc._mon_client.metrics, 'create',
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side_effect=[exc.HTTPInternalServerError, True])\
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as create_patch:
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self.assertRaises(monasca_client.MonascaServiceException,
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self.mc.metrics_create)
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self.assertEqual(1, create_patch.call_count)
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def test_metrics_create_unprocessable_exception(self):
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with mock.patch.object(
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self.mc._mon_client.metrics, 'create',
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side_effect=[exc.HTTPUnProcessable, True])\
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as create_patch:
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self.assertRaises(monasca_client.MonascaInvalidParametersException,
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self.mc.metrics_create)
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self.assertEqual(1, create_patch.call_count)
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def test_invalid_service_creds(self):
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conf = cfg.CONF.service_credentials
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class SetOpt(object):
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def __enter__(self):
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self.username = conf.username
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conf.username = ""
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def __exit__(self, exc_type, exc_val, exc_tb):
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conf.username = self.username
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with SetOpt():
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self.assertRaises(
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monasca_client.MonascaInvalidServiceCredentialsException,
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self._get_client)
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self.assertIsNotNone(True, conf.username)
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def test_retry_on_key_error(self):
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self.conf.set_override('max_retries', 2, 'database')
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self.conf.set_override('retry_interval', 1, 'database')
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self.mc = self._get_client()
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with mock.patch.object(
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self.mc._mon_client.metrics, 'list',
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side_effect=[KeyError, []]) as mocked_metrics_list:
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list(self.mc.metrics_list())
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self.assertEqual(2, mocked_metrics_list.call_count)
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def test_no_retry_on_invalid_parameter(self):
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self.conf.set_override('max_retries', 2, 'database')
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self.conf.set_override('retry_interval', 1, 'database')
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self.mc = self._get_client()
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def _check(exception):
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expected_exc = monasca_client.MonascaInvalidParametersException
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with mock.patch.object(
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self.mc._mon_client.metrics, 'list',
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side_effect=[exception, []]
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) as mocked_metrics_list:
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self.assertRaises(expected_exc, list, self.mc.metrics_list())
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self.assertEqual(1, mocked_metrics_list.call_count)
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_check(exc.HTTPUnProcessable)
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_check(exc.HTTPBadRequest)
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def test_max_retris_not_too_much(self):
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def _check(configured, expected):
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self.conf.set_override('max_retries', configured, 'database')
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self.mc = self._get_client()
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self.assertEqual(expected, self.mc._max_retries)
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_check(-1, 10)
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_check(11, 10)
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_check(5, 5)
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_check(None, 1)
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def test_meaningful_exception_message(self):
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with mock.patch.object(
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self.mc._mon_client.metrics, 'list',
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side_effect=[exc.HTTPInternalServerError,
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exc.HTTPUnProcessable,
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KeyError]):
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e = self.assertRaises(
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monasca_client.MonascaServiceException,
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list, self.mc.metrics_list())
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self.assertIn('Monasca service is unavailable', str(e))
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e = self.assertRaises(
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monasca_client.MonascaInvalidParametersException,
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list, self.mc.metrics_list())
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self.assertIn('Request cannot be handled by Monasca', str(e))
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e = self.assertRaises(
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monasca_client.MonascaException,
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list, self.mc.metrics_list())
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self.assertIn('An exception is raised from Monasca', str(e))
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@mock.patch.object(monasca_client.Client, '_refresh_client')
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def test_metrics_create_with_401(self, rc_patch):
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with mock.patch.object(
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self.mc._mon_client.metrics, 'create',
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side_effect=[exc.HTTPUnauthorized, True]):
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self.assertRaises(
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monasca_client.MonascaInvalidParametersException,
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self.mc.metrics_create)
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