1d4e926076
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: I1dca4b2c7eccf1b19482dde60b88a132935b48b8 Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
127 lines
4.5 KiB
Python
127 lines
4.5 KiB
Python
# 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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from unittest import mock
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import unittest
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from tests.common import load_check
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class TestSimpleProcess(unittest.TestCase):
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def setUp(self):
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self.psutil_process_iter_patcher = mock.patch('psutil.process_iter')
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self.mock_process_iter = self.psutil_process_iter_patcher.start()
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process_attrs = {
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'name': 'process_name',
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'pid': 1234,
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'username': 'user',
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'cmdline': '/usr/bin/process_name'
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}
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process = mock.Mock()
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process.as_dict.return_value = process_attrs
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self.mock_process_iter.return_value = [process]
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config = {'init_config': {},
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'instances': [{'name': 'test',
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'search_string': ['process_name'],
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'detailed': False}]}
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self.check = load_check('process', config)
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def tearDown(self):
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self.psutil_process_iter_patcher.stop()
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def testPidCount(self):
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self.check.run()
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metrics = self.check.get_metrics()
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self.assertEqual(1, len(metrics))
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self.assertEqual('process.pid_count', metrics[0]['measurement']['name'])
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class TestDetailedProcess(unittest.TestCase):
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def setUp(self):
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self.psutil_process_patcher = mock.patch('psutil.Process')
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self.psutil_process_iter_patcher = mock.patch('psutil.process_iter')
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self.mock_process = self.psutil_process_patcher.start()
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self.mock_process_iter = self.psutil_process_iter_patcher.start()
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process_attrs_as_dict = {
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'name': 'process_name',
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'pid': 1234,
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'username': 'user',
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'cmdline': '/usr/bin/process_name',
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}
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process_attrs = {
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'memory_info_ex.return_value': mock.Mock(rss=1048576),
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'num_threads.return_value': 1,
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'num_fds.return_value': 1,
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'cpu_percent.return_value': 1,
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'io_counters.return_value': mock.Mock(**{'read_count': 1,
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'write_count': 1,
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'read_bytes': 1024,
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'write_bytes': 1024})
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}
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process = mock.Mock(**process_attrs)
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process.as_dict.return_value = process_attrs_as_dict
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self.mock_process_iter.return_value = [process]
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self.mock_process.return_value = process
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config = {'init_config': {},
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'instances': [{'name': 'test',
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'search_string': ['process_name'],
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'detailed': True}]}
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self.check = load_check('process', config)
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def tearDown(self):
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self.psutil_process_patcher.stop()
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self.psutil_process_iter_patcher.stop()
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def testPidCount(self):
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self.check.run()
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metrics = self.check.get_metrics()
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self.assertGreater(len(metrics), 1)
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def run_check(self):
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self.check.prepare_run()
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self.check.run()
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metrics = self.check.get_metrics()
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measurement_names = [metric['measurement']['name'] for metric in metrics]
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measurement_names.sort()
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return measurement_names
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def testMeasurements(self):
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measurement_names = self.run_check()
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# first run will not have cpu_perc in it
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expected_names = ['process.io.read_count',
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'process.io.read_kbytes',
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'process.io.write_count',
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'process.io.write_kbytes',
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'process.mem.rss_mbytes',
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'process.open_file_descriptors',
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'process.pid_count',
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'process.thread_count']
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self.assertListEqual(measurement_names, expected_names)
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# run again to get cpu_perc
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expected_names.insert(0, 'process.cpu_perc')
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measurement_names = self.run_check()
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self.assertListEqual(measurement_names, expected_names)
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