205 lines
6.8 KiB
Python
205 lines
6.8 KiB
Python
# Copyright 2016 Rackspace Hosting
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# All Rights Reserved
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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 types
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import mock
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from oslo_utils import reflection
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from ironic_lib import metrics as metricslib
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from ironic_lib import metrics_utils
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from ironic_lib.tests import base
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METRICS = metrics_utils.get_metrics_logger(prefix='foo', backend='noop')
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@METRICS.timer('testing1')
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def timer_check(run, timer=None):
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pass
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@METRICS.counter('testing2')
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def counter_check(run, counter=None):
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pass
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@METRICS.gauge('testing2')
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def gauge_check(run, gauge=None):
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pass
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class MockedMetricLogger(metricslib.MetricLogger):
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_gauge = mock.Mock(spec_set=types.FunctionType)
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_counter = mock.Mock(spec_set=types.FunctionType)
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_timer = mock.Mock(spec_set=types.FunctionType)
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class TestMetricReflection(base.IronicLibTestCase):
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def test_timer_reflection(self):
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# Ensure our decorator is done correctly (six.wraps) and we can get the
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# arguments of our decorated function.
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expected = ['run', 'timer']
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signature = reflection.get_signature(timer_check)
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parameters = list(signature.parameters)
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self.assertEqual(expected, parameters)
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def test_counter_reflection(self):
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# Ensure our decorator is done correctly (six.wraps) and we can get the
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# arguments of our decorated function.
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expected = ['run', 'counter']
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signature = reflection.get_signature(counter_check)
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parameters = list(signature.parameters)
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self.assertEqual(expected, parameters)
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def test_gauge_reflection(self):
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# Ensure our decorator is done correctly (six.wraps) and we can get the
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# arguments of our decorated function.
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expected = ['run', 'gauge']
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signature = reflection.get_signature(gauge_check)
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parameters = list(signature.parameters)
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self.assertEqual(expected, parameters)
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class TestMetricLogger(base.IronicLibTestCase):
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def setUp(self):
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super(TestMetricLogger, self).setUp()
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self.ml = MockedMetricLogger('prefix', '.')
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self.ml_no_prefix = MockedMetricLogger('', '.')
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self.ml_other_delim = MockedMetricLogger('prefix', '*')
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self.ml_default = MockedMetricLogger()
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def test_init(self):
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self.assertEqual(self.ml._prefix, 'prefix')
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self.assertEqual(self.ml._delimiter, '.')
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self.assertEqual(self.ml_no_prefix._prefix, '')
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self.assertEqual(self.ml_other_delim._delimiter, '*')
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self.assertEqual(self.ml_default._prefix, '')
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def test_get_metric_name(self):
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self.assertEqual(
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self.ml.get_metric_name('metric'),
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'prefix.metric')
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self.assertEqual(
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self.ml_no_prefix.get_metric_name('metric'),
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'metric')
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self.assertEqual(
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self.ml_other_delim.get_metric_name('metric'),
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'prefix*metric')
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def test_send_gauge(self):
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self.ml.send_gauge('prefix.metric', 10)
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self.ml._gauge.assert_called_once_with('prefix.metric', 10)
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def test_send_counter(self):
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self.ml.send_counter('prefix.metric', 10)
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self.ml._counter.assert_called_once_with(
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'prefix.metric', 10,
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sample_rate=None)
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self.ml._counter.reset_mock()
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self.ml.send_counter('prefix.metric', 10, sample_rate=1.0)
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self.ml._counter.assert_called_once_with(
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'prefix.metric', 10,
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sample_rate=1.0)
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self.ml._counter.reset_mock()
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self.ml.send_counter('prefix.metric', 10, sample_rate=0.0)
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self.assertFalse(self.ml._counter.called)
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def test_send_timer(self):
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self.ml.send_timer('prefix.metric', 10)
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self.ml._timer.assert_called_once_with('prefix.metric', 10)
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@mock.patch('ironic_lib.metrics._time', autospec=True)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_timer', autospec=True)
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def test_decorator_timer(self, mock_timer, mock_time):
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mock_time.side_effect = [1, 43]
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@self.ml.timer('foo.bar.baz')
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def func(x):
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return x * x
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func(10)
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mock_timer.assert_called_once_with(self.ml, 'prefix.foo.bar.baz',
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42 * 1000)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
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def test_decorator_counter(self, mock_counter):
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@self.ml.counter('foo.bar.baz')
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def func(x):
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return x * x
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func(10)
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mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
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sample_rate=None)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
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def test_decorator_counter_sample_rate(self, mock_counter):
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@self.ml.counter('foo.bar.baz', sample_rate=0.5)
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def func(x):
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return x * x
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func(10)
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mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
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sample_rate=0.5)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_gauge', autospec=True)
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def test_decorator_gauge(self, mock_gauge):
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@self.ml.gauge('foo.bar.baz')
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def func(x):
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return x
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func(10)
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mock_gauge.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 10)
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@mock.patch('ironic_lib.metrics._time', autospec=True)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_timer', autospec=True)
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def test_context_mgr_timer(self, mock_timer, mock_time):
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mock_time.side_effect = [1, 43]
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with self.ml.timer('foo.bar.baz'):
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pass
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mock_timer.assert_called_once_with(self.ml, 'prefix.foo.bar.baz',
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42 * 1000)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
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def test_context_mgr_counter(self, mock_counter):
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with self.ml.counter('foo.bar.baz'):
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pass
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mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
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sample_rate=None)
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@mock.patch('ironic_lib.metrics.MetricLogger.send_counter', autospec=True)
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def test_context_mgr_counter_sample_rate(self, mock_counter):
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with self.ml.counter('foo.bar.baz', sample_rate=0.5):
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pass
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mock_counter.assert_called_once_with(self.ml, 'prefix.foo.bar.baz', 1,
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sample_rate=0.5)
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