ironic-lib/ironic_lib/tests/test_metrics_statsd.py
Sean McGinnis 8d2ac297fd
Use unittest.mock instead of third party mock
Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: I94daf175305b5fd31380088e27ecec2083f89e59
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-04-18 16:08:20 -05:00

102 lines
3.7 KiB
Python

# 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
from unittest import mock
from ironic_lib import metrics_statsd
from ironic_lib.tests import base
def connect(family=None, type=None, proto=None):
"""Dummy function to provide signature for autospec"""
pass
class TestStatsdMetricLogger(base.IronicLibTestCase):
def setUp(self):
super(TestStatsdMetricLogger, self).setUp()
self.ml = metrics_statsd.StatsdMetricLogger('prefix', '.', 'test-host',
4321)
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)
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)
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)
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', autospec=connect)
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', autospec=connect)
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(
b'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(
b'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(
b'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(
b'part1.part2:5|type@0.5',
('test-host', 4321))
mock_socket.close.assert_called_once_with()