ironic-lib/ironic_lib/tests/test_metrics.py
Riccardo Pittau 0e01f0735c Stop using six library
Since we've dropped support for Python 2.7, it's time to look at
the bright future that Python 3.x will bring and stop forcing
compatibility with older versions.
This patch removes the six library from requirements, not
looking back.

Change-Id: I4bf885bc7d1ccdf46dde3e0b10a8dbec304aaf9b
2019-12-06 01:49:46 +01:00

205 lines
6.9 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 types
import mock
from oslo_utils import reflection
from ironic_lib import metrics as metricslib
from ironic_lib import metrics_utils
from ironic_lib.tests import base
METRICS = metrics_utils.get_metrics_logger(prefix='foo', backend='noop')
@METRICS.timer('testing1')
def timer_check(run, timer=None):
pass
@METRICS.counter('testing2')
def counter_check(run, counter=None):
pass
@METRICS.gauge('testing2')
def gauge_check(run, gauge=None):
pass
class MockedMetricLogger(metricslib.MetricLogger):
_gauge = mock.Mock(spec_set=types.FunctionType)
_counter = mock.Mock(spec_set=types.FunctionType)
_timer = mock.Mock(spec_set=types.FunctionType)
class TestMetricReflection(base.IronicLibTestCase):
def test_timer_reflection(self):
# Ensure our decorator is done correctly (functools.wraps) and we can
# get the arguments of our decorated function.
expected = ['run', 'timer']
signature = reflection.get_signature(timer_check)
parameters = list(signature.parameters)
self.assertEqual(expected, parameters)
def test_counter_reflection(self):
# Ensure our decorator is done correctly (functools.wraps) and we can
# get the arguments of our decorated function.
expected = ['run', 'counter']
signature = reflection.get_signature(counter_check)
parameters = list(signature.parameters)
self.assertEqual(expected, parameters)
def test_gauge_reflection(self):
# Ensure our decorator is done correctly (functools.wraps) and we can
# get the arguments of our decorated function.
expected = ['run', 'gauge']
signature = reflection.get_signature(gauge_check)
parameters = list(signature.parameters)
self.assertEqual(expected, parameters)
class TestMetricLogger(base.IronicLibTestCase):
def setUp(self):
super(TestMetricLogger, self).setUp()
self.ml = MockedMetricLogger('prefix', '.')
self.ml_no_prefix = MockedMetricLogger('', '.')
self.ml_other_delim = MockedMetricLogger('prefix', '*')
self.ml_default = MockedMetricLogger()
def test_init(self):
self.assertEqual(self.ml._prefix, 'prefix')
self.assertEqual(self.ml._delimiter, '.')
self.assertEqual(self.ml_no_prefix._prefix, '')
self.assertEqual(self.ml_other_delim._delimiter, '*')
self.assertEqual(self.ml_default._prefix, '')
def test_get_metric_name(self):
self.assertEqual(
self.ml.get_metric_name('metric'),
'prefix.metric')
self.assertEqual(
self.ml_no_prefix.get_metric_name('metric'),
'metric')
self.assertEqual(
self.ml_other_delim.get_metric_name('metric'),
'prefix*metric')
def test_send_gauge(self):
self.ml.send_gauge('prefix.metric', 10)
self.ml._gauge.assert_called_once_with('prefix.metric', 10)
def test_send_counter(self):
self.ml.send_counter('prefix.metric', 10)
self.ml._counter.assert_called_once_with(
'prefix.metric', 10,
sample_rate=None)
self.ml._counter.reset_mock()
self.ml.send_counter('prefix.metric', 10, sample_rate=1.0)
self.ml._counter.assert_called_once_with(
'prefix.metric', 10,
sample_rate=1.0)
self.ml._counter.reset_mock()
self.ml.send_counter('prefix.metric', 10, sample_rate=0.0)
self.assertFalse(self.ml._counter.called)
def test_send_timer(self):
self.ml.send_timer('prefix.metric', 10)
self.ml._timer.assert_called_once_with('prefix.metric', 10)
@mock.patch('ironic_lib.metrics._time', autospec=True)
@mock.patch('ironic_lib.metrics.MetricLogger.send_timer', autospec=True)
def test_decorator_timer(self, mock_timer, mock_time):
mock_time.side_effect = [1, 43]
@self.ml.timer('foo.bar.baz')
def func(x):
return x * x
func(10)
mock_timer.assert_called_once_with(self.ml, 'prefix.foo.bar.baz',
42 * 1000)
@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
def test_decorator_counter(self, mock_counter):
@self.ml.counter('foo.bar.baz')
def func(x):
return x * x
func(10)
mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
sample_rate=None)
@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
def test_decorator_counter_sample_rate(self, mock_counter):
@self.ml.counter('foo.bar.baz', sample_rate=0.5)
def func(x):
return x * x
func(10)
mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
sample_rate=0.5)
@mock.patch('ironic_lib.metrics.MetricLogger.send_gauge', autospec=True)
def test_decorator_gauge(self, mock_gauge):
@self.ml.gauge('foo.bar.baz')
def func(x):
return x
func(10)
mock_gauge.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 10)
@mock.patch('ironic_lib.metrics._time', autospec=True)
@mock.patch('ironic_lib.metrics.MetricLogger.send_timer', autospec=True)
def test_context_mgr_timer(self, mock_timer, mock_time):
mock_time.side_effect = [1, 43]
with self.ml.timer('foo.bar.baz'):
pass
mock_timer.assert_called_once_with(self.ml, 'prefix.foo.bar.baz',
42 * 1000)
@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
def test_context_mgr_counter(self, mock_counter):
with self.ml.counter('foo.bar.baz'):
pass
mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
sample_rate=None)
@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
def test_context_mgr_counter_sample_rate(self, mock_counter):
with self.ml.counter('foo.bar.baz', sample_rate=0.5):
pass
mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
sample_rate=0.5)