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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 json
from yardstick.benchmark.scenarios.compute import lmbench
@mock.patch('yardstick.benchmark.scenarios.compute.lmbench.ssh')
class LmbenchTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
'host': {
'ip': '172.16.0.137',
'user': 'cirros',
'key_filename': "mykey.key"
}
}
self.result = {}
def test_successful_setup(self, mock_ssh):
l = lmbench.Lmbench({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
l.setup()
self.assertIsNotNone(l.client)
self.assertTrue(l.setup_done)
def test_unsuccessful_unknown_type_run(self, mock_ssh):
options = {
"test_type": "foo"
}
args = {'options': options}
l = lmbench.Lmbench(args, self.ctx)
self.assertRaises(RuntimeError, l.run, self.result)
def test_successful_latency_run_no_sla(self, mock_ssh):
options = {
"test_type": "latency",
"stride": 64,
"stop_size": 16
}
args = {'options': options}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '[{"latency": 4.944, "size": 0.00049}]'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
l.run(self.result)
expected_result = json.loads('{"latencies": ' + sample_output + "}")
self.assertEqual(self.result, expected_result)
def test_successful_bandwidth_run_no_sla(self, mock_ssh):
options = {
"test_type": "bandwidth",
"size": 500,
"benchmark": "rd",
"warmup": 0
}
args = {"options": options}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 11025.5}'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
l.run(self.result)
expected_result = json.loads(sample_output)
self.assertEqual(self.result, expected_result)
def test_successful_latency_run_sla(self, mock_ssh):
options = {
"test_type": "latency",
"stride": 64,
"stop_size": 16
}
args = {
"options": options,
"sla": {"max_latency": 35}
}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '[{"latency": 4.944, "size": 0.00049}]'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
l.run(self.result)
expected_result = json.loads('{"latencies": ' + sample_output + "}")
self.assertEqual(self.result, expected_result)
def test_successful_bandwidth_run_sla(self, mock_ssh):
options = {
"test_type": "bandwidth",
"size": 500,
"benchmark": "rd",
"warmup": 0
}
args = {
"options": options,
"sla": {"min_bandwidth": 10000}
}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 11025.5}'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
l.run(self.result)
expected_result = json.loads(sample_output)
self.assertEqual(self.result, expected_result)
def test_unsuccessful_latency_run_sla(self, mock_ssh):
options = {
"test_type": "latency",
"stride": 64,
"stop_size": 16
}
args = {
"options": options,
"sla": {"max_latency": 35}
}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '[{"latency": 37.5, "size": 0.00049}]'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, l.run, self.result)
def test_unsuccessful_bandwidth_run_sla(self, mock_ssh):
options = {
"test_type": "bandwidth",
"size": 500,
"benchmark": "rd",
"warmup": 0
}
args = {
"options": options,
"sla": {"min_bandwidth": 10000}
}
l = lmbench.Lmbench(args, self.ctx)
sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 9925.5}'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, l.run, self.result)
def test_successful_latency_for_cache_run_sla(self, mock_ssh):
options = {
"test_type": "latency_for_cache",
"repetition":1,
"warmup": 0
}
args = {
"options": options,
"sla": {"max_latency": 35}
}
l = lmbench.Lmbench(args, self.ctx)
sample_output = "{\"L1cache\": 1.6}"
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
l.run(self.result)
expected_result = json.loads(sample_output)
self.assertEqual(self.result, expected_result)
def test_unsuccessful_script_error(self, mock_ssh):
options = {"test_type": "bandwidth"}
args = {"options": options}
l = lmbench.Lmbench(args, self.ctx)
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, l.run, self.result)
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