# Copyright 2016 Rackspace Hosting
# All Rights Reserved
#
# 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 socket
import mock
from oslotest import base as test_base
from ironic_lib import metrics_statsd
[docs]class TestStatsdMetricLogger(test_base.BaseTestCase):
[docs] def setUp(self):
super(TestStatsdMetricLogger, self).setUp()
self.ml = metrics_statsd.StatsdMetricLogger('prefix', '.', 'test-host',
4321)
[docs] def test_init(self):
self.assertEqual(self.ml._host, 'test-host')
self.assertEqual(self.ml._port, 4321)
self.assertEqual(self.ml._target, ('test-host', 4321))
@mock.patch('ironic_lib.metrics_statsd.StatsdMetricLogger._send',
autospec=True)
[docs] def test_gauge(self, mock_send):
self.ml._gauge('metric', 10)
mock_send.assert_called_once_with(self.ml, 'metric', 10, 'g')
@mock.patch('ironic_lib.metrics_statsd.StatsdMetricLogger._send',
autospec=True)
[docs] def test_counter(self, mock_send):
self.ml._counter('metric', 10)
mock_send.assert_called_once_with(self.ml, 'metric', 10, 'c',
sample_rate=None)
mock_send.reset_mock()
self.ml._counter('metric', 10, sample_rate=1.0)
mock_send.assert_called_once_with(self.ml, 'metric', 10, 'c',
sample_rate=1.0)
@mock.patch('ironic_lib.metrics_statsd.StatsdMetricLogger._send',
autospec=True)
[docs] def test_timer(self, mock_send):
self.ml._timer('metric', 10)
mock_send.assert_called_once_with(self.ml, 'metric', 10, 'ms')
@mock.patch('socket.socket')
[docs] def test_open_socket(self, mock_socket_constructor):
self.ml._open_socket()
mock_socket_constructor.assert_called_once_with(
socket.AF_INET,
socket.SOCK_DGRAM)
@mock.patch('socket.socket')
[docs] def test_send(self, mock_socket_constructor):
mock_socket = mock.Mock()
mock_socket_constructor.return_value = mock_socket
self.ml._send('part1.part2', 2, 'type')
mock_socket.sendto.assert_called_once_with(
'part1.part2:2|type',
('test-host', 4321))
mock_socket.close.assert_called_once_with()
mock_socket.reset_mock()
self.ml._send('part1.part2', 3.14159, 'type')
mock_socket.sendto.assert_called_once_with(
'part1.part2:3.14159|type',
('test-host', 4321))
mock_socket.close.assert_called_once_with()
mock_socket.reset_mock()
self.ml._send('part1.part2', 5, 'type')
mock_socket.sendto.assert_called_once_with(
'part1.part2:5|type',
('test-host', 4321))
mock_socket.close.assert_called_once_with()
mock_socket.reset_mock()
self.ml._send('part1.part2', 5, 'type', sample_rate=0.5)
mock_socket.sendto.assert_called_once_with(
'part1.part2:5|type@0.5',
('test-host', 4321))
mock_socket.close.assert_called_once_with()