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#!/usr/bin/env python
##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
# Unittest for yardstick.benchmark.scenarios.compute.lmbench.Lmbench
import mock
import unittest
import os
from yardstick.benchmark.scenarios.compute import cpuload
@mock.patch('yardstick.benchmark.scenarios.compute.cpuload.ssh')
class CPULoadTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
'host': {
'ip': '172.16.0.137',
'user': 'cirros',
'key_filename': "mykey.key"
}
}
self.result = {}
def test_setup_mpstat_installed(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
self.assertIsNotNone(l.client)
self.assertTrue(l.setup_done)
self.assertTrue(l.has_mpstat)
def test_setup_mpstat_not_installed(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (127, '', '')
l.setup()
self.assertIsNotNone(l.client)
self.assertTrue(l.setup_done)
self.assertFalse(l.has_mpstat)
def test_execute_command_success(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
expected_result = 'abcdefg'
mock_ssh.SSH().execute.return_value = (0, expected_result, '')
result = l._execute_command("foo")
self.assertEqual(result, expected_result)
def test_execute_command_failed(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
mock_ssh.SSH().execute.return_value = (127, '', 'abcdefg')
self.assertRaises(RuntimeError, l._execute_command,
"cat /proc/loadavg")
def test_get_loadavg(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
mock_ssh.SSH().execute.return_value = \
(0, '1.50 1.45 1.51 3/813 14322', '')
result = l._get_loadavg()
expected_result = \
{'loadavg': ['1.50', '1.45', '1.51', '3/813', '14322']}
self.assertEqual(result, expected_result)
def test_get_cpu_usage_mpstat(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
l.interval = 0
mpstat_output = self._read_file("cpuload_sample_output1.txt")
mock_ssh.SSH().execute.return_value = (0, mpstat_output, '')
result = l._get_cpu_usage_mpstat()
expected_result = \
{'mpstat':
{'cpu':
{'%gnice': '0.00',
'%guest': '5.51',
'%idle': '81.77',
'%iowait': '0.18',
'%irq': '0.00',
'%nice': '0.03',
'%soft': '0.01',
'%steal': '0.00',
'%sys': '1.19',
'%usr': '11.31'},
'cpu0':
{'%gnice': '0.00',
'%guest': '6.62',
'%idle': '71.56',
'%iowait': '0.33',
'%irq': '0.00',
'%nice': '0.03',
'%soft': '0.06',
'%steal': '0.00',
'%sys': '1.36',
'%usr': '20.03'}}}
self.assertDictEqual(result, expected_result)
def test_get_cpu_usage(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
l.interval = 0
output = self._read_file("cpuload_sample_output2.txt")
mock_ssh.SSH().execute.return_value = (0, output, '')
result = l._get_cpu_usage()
expected_result = \
{'mpstat':
{'cpu':
{'%steal': '0.00',
'%usr': '11.31',
'%gnice': '0.00',
'%idle': '81.78',
'%iowait': '0.18',
'%guest': '5.50',
'%sys': '1.19',
'%soft': '0.01',
'%irq': '0.00',
'%nice': '0.03'},
'cpu0':
{'%steal': '0.00',
'%usr': '20.00',
'%gnice': '0.00',
'%idle': '71.60',
'%iowait': '0.33',
'%guest': '6.61',
'%sys': '1.37',
'%soft': '0.06',
'%irq': '0.00',
'%nice': '0.03'}}}
self.assertDictEqual(result, expected_result)
def test_run_mpstat(self, mock_ssh):
l = cpuload.CPULoad({'options': {'interval': 1}}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
mpstat_output = self._read_file("cpuload_sample_output1.txt")
mock_ssh.SSH().execute.side_effect = \
[(0, '', ''), (0, '1.50 1.45 1.51 3/813 14322', ''), (0, mpstat_output, '')]
l.run(self.result)
expected_result = {
'loadavg': ['1.50', '1.45', '1.51', '3/813', '14322'],
'mpstat':
{'cpu': {'%gnice': '0.00',
'%guest': '5.51',
'%idle': '81.77',
'%iowait': '0.18',
'%irq': '0.00',
'%nice': '0.03',
'%soft': '0.01',
'%steal': '0.00',
'%sys': '1.19',
'%usr': '11.31'},
'cpu0': {'%gnice': '0.00',
'%guest': '6.62',
'%idle': '71.56',
'%iowait': '0.33',
'%irq': '0.00',
'%nice': '0.03',
'%soft': '0.06',
'%steal': '0.00',
'%sys': '1.36',
'%usr': '20.03'}}}
self.assertDictEqual(self.result, expected_result)
def test_run_proc_stat(self, mock_ssh):
l = cpuload.CPULoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (1, '', '')
l.setup()
l.interval = 0
stat_output = self._read_file("cpuload_sample_output2.txt")
mock_ssh.SSH().execute.side_effect = \
[(0, '1.50 1.45 1.51 3/813 14322', ''), (0, stat_output, '')]
l.run(self.result)
expected_result = {
'loadavg': ['1.50', '1.45', '1.51', '3/813', '14322'],
'mpstat':
{'cpu':
{'%steal': '0.00',
'%usr': '11.31',
'%gnice': '0.00',
'%idle': '81.78',
'%iowait': '0.18',
'%guest': '5.50',
'%sys': '1.19',
'%soft': '0.01',
'%irq': '0.00',
'%nice': '0.03'},
'cpu0':
{'%steal': '0.00',
'%usr': '20.00',
'%gnice': '0.00',
'%idle': '71.60',
'%iowait': '0.33',
'%guest': '6.61',
'%sys': '1.37',
'%soft': '0.06',
'%irq': '0.00',
'%nice': '0.03'}}}
self.assertDictEqual(self.result, expected_result)
def _read_file(self, filename):
curr_path = os.path.dirname(os.path.abspath(__file__))
output = os.path.join(curr_path, filename)
with open(output) as f:
sample_output = f.read()
return sample_output
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