monasca-agent/tests/test_process.py
Jui Chandwaskar c983708637 Add Apache License
Added Apache 2.0 License for missed files

Change-Id: I72217d3cf0089434a9bbe1e5dfd57224a803704e
Signed-off-by: Jui Chandwaskar <jchandwaskar@op5.com>
2018-04-14 11:50:07 +00:00

127 lines
4.5 KiB
Python

# 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 mock
import unittest
from tests.common import load_check
class TestSimpleProcess(unittest.TestCase):
def setUp(self):
self.psutil_process_iter_patcher = mock.patch('psutil.process_iter')
self.mock_process_iter = self.psutil_process_iter_patcher.start()
process_attrs = {
'name': 'process_name',
'pid': 1234,
'username': 'user',
'cmdline': '/usr/bin/process_name'
}
process = mock.Mock()
process.as_dict.return_value = process_attrs
self.mock_process_iter.return_value = [process]
config = {'init_config': {},
'instances': [{'name': 'test',
'search_string': ['process_name'],
'detailed': False}]}
self.check = load_check('process', config)
def tearDown(self):
self.psutil_process_iter_patcher.stop()
def testPidCount(self):
self.check.run()
metrics = self.check.get_metrics()
self.assertEqual(1, len(metrics))
self.assertEqual('process.pid_count', metrics[0]['measurement']['name'])
class TestDetailedProcess(unittest.TestCase):
def setUp(self):
self.psutil_process_patcher = mock.patch('psutil.Process')
self.psutil_process_iter_patcher = mock.patch('psutil.process_iter')
self.mock_process = self.psutil_process_patcher.start()
self.mock_process_iter = self.psutil_process_iter_patcher.start()
process_attrs_as_dict = {
'name': 'process_name',
'pid': 1234,
'username': 'user',
'cmdline': '/usr/bin/process_name',
}
process_attrs = {
'memory_info_ex.return_value': mock.Mock(rss=1048576),
'num_threads.return_value': 1,
'num_fds.return_value': 1,
'cpu_percent.return_value': 1,
'io_counters.return_value': mock.Mock(**{'read_count': 1,
'write_count': 1,
'read_bytes': 1024,
'write_bytes': 1024})
}
process = mock.Mock(**process_attrs)
process.as_dict.return_value = process_attrs_as_dict
self.mock_process_iter.return_value = [process]
self.mock_process.return_value = process
config = {'init_config': {},
'instances': [{'name': 'test',
'search_string': ['process_name'],
'detailed': True}]}
self.check = load_check('process', config)
def tearDown(self):
self.psutil_process_patcher.stop()
self.psutil_process_iter_patcher.stop()
def testPidCount(self):
self.check.run()
metrics = self.check.get_metrics()
self.assertGreater(len(metrics), 1)
def run_check(self):
self.check.prepare_run()
self.check.run()
metrics = self.check.get_metrics()
measurement_names = [metric['measurement']['name'] for metric in metrics]
measurement_names.sort()
return measurement_names
def testMeasurements(self):
measurement_names = self.run_check()
# first run will not have cpu_perc in it
expected_names = ['process.io.read_count',
'process.io.read_kbytes',
'process.io.write_count',
'process.io.write_kbytes',
'process.mem.rss_mbytes',
'process.open_file_descriptors',
'process.pid_count',
'process.thread_count']
self.assertListEqual(measurement_names, expected_names)
# run again to get cpu_perc
expected_names.insert(0, 'process.cpu_perc')
measurement_names = self.run_check()
self.assertListEqual(measurement_names, expected_names)