tests/unit/benchmark/scenarios/compute/test_lmbench.py

   1 #!/usr/bin/env python
   2
   3 ##############################################################################
   4 # Copyright (c) 2015 Ericsson AB and others.
   5 #
   6 # All rights reserved. This program and the accompanying materials
   7 # are made available under the terms of the Apache License, Version 2.0
   8 # which accompanies this distribution, and is available at
   9 # http://www.apache.org/licenses/LICENSE-2.0
  10 ##############################################################################
  11
  12 # Unittest for yardstick.benchmark.scenarios.compute.lmbench.Lmbench
  13
  14 from __future__ import absolute_import
  15
  16 import unittest
  17
  18 import mock
  19 from oslo_serialization import jsonutils
  20
  21 from yardstick.benchmark.scenarios.compute import lmbench
  22
  23
  24 @mock.patch('yardstick.benchmark.scenarios.compute.lmbench.ssh')
  25 class LmbenchTestCase(unittest.TestCase):
  26
  27     def setUp(self):
  28         self.ctx = {
  29             'host': {
  30                 'ip': '172.16.0.137',
  31                 'user': 'cirros',
  32                 'key_filename': "mykey.key"
  33             }
  34         }
  35
  36         self.result = {}
  37
  38     def test_successful_setup(self, mock_ssh):
  39
  40         l = lmbench.Lmbench({}, self.ctx)
  41         mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
  42
  43         l.setup()
  44         self.assertIsNotNone(l.client)
  45         self.assertTrue(l.setup_done)
  46
  47     def test_unsuccessful_unknown_type_run(self, mock_ssh):
  48
  49         options = {
  50             "test_type": "foo"
  51         }
  52         args = {'options': options}
  53
  54         l = lmbench.Lmbench(args, self.ctx)
  55
  56         self.assertRaises(RuntimeError, l.run, self.result)
  57
  58     def test_successful_latency_run_no_sla(self, mock_ssh):
  59
  60         options = {
  61             "test_type": "latency",
  62             "stride": 64,
  63             "stop_size": 16
  64         }
  65         args = {'options': options}
  66         l = lmbench.Lmbench(args, self.ctx)
  67
  68         sample_output = '[{"latency": 4.944, "size": 0.00049}]'
  69         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
  70         l.run(self.result)
  71         expected_result = jsonutils.loads(
  72             '{"latencies": ' + sample_output + "}")
  73         self.assertEqual(self.result, expected_result)
  74
  75     def test_successful_bandwidth_run_no_sla(self, mock_ssh):
  76
  77         options = {
  78             "test_type": "bandwidth",
  79             "size": 500,
  80             "benchmark": "rd",
  81             "warmup": 0
  82         }
  83         args = {"options": options}
  84         l = lmbench.Lmbench(args, self.ctx)
  85
  86         sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 11025.5}'
  87         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
  88         l.run(self.result)
  89         expected_result = jsonutils.loads(sample_output)
  90         self.assertEqual(self.result, expected_result)
  91
  92     def test_successful_latency_run_sla(self, mock_ssh):
  93
  94         options = {
  95             "test_type": "latency",
  96             "stride": 64,
  97             "stop_size": 16
  98         }
  99         args = {
 100             "options": options,
 101             "sla": {"max_latency": 35}
 102         }
 103         l = lmbench.Lmbench(args, self.ctx)
 104
 105         sample_output = '[{"latency": 4.944, "size": 0.00049}]'
 106         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
 107         l.run(self.result)
 108         expected_result = jsonutils.loads(
 109             '{"latencies": ' + sample_output + "}")
 110         self.assertEqual(self.result, expected_result)
 111
 112     def test_successful_bandwidth_run_sla(self, mock_ssh):
 113
 114         options = {
 115             "test_type": "bandwidth",
 116             "size": 500,
 117             "benchmark": "rd",
 118             "warmup": 0
 119         }
 120         args = {
 121             "options": options,
 122             "sla": {"min_bandwidth": 10000}
 123         }
 124         l = lmbench.Lmbench(args, self.ctx)
 125
 126         sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 11025.5}'
 127         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
 128         l.run(self.result)
 129         expected_result = jsonutils.loads(sample_output)
 130         self.assertEqual(self.result, expected_result)
 131
 132     def test_unsuccessful_latency_run_sla(self, mock_ssh):
 133
 134         options = {
 135             "test_type": "latency",
 136             "stride": 64,
 137             "stop_size": 16
 138         }
 139         args = {
 140             "options": options,
 141             "sla": {"max_latency": 35}
 142         }
 143         l = lmbench.Lmbench(args, self.ctx)
 144
 145         sample_output = '[{"latency": 37.5, "size": 0.00049}]'
 146         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
 147         self.assertRaises(AssertionError, l.run, self.result)
 148
 149     def test_unsuccessful_bandwidth_run_sla(self, mock_ssh):
 150
 151         options = {
 152             "test_type": "bandwidth",
 153             "size": 500,
 154             "benchmark": "rd",
 155             "warmup": 0
 156         }
 157         args = {
 158             "options": options,
 159             "sla": {"min_bandwidth": 10000}
 160         }
 161         l = lmbench.Lmbench(args, self.ctx)
 162
 163         sample_output = '{"size(MB)": 0.262144, "bandwidth(MBps)": 9925.5}'
 164         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
 165         self.assertRaises(AssertionError, l.run, self.result)
 166
 167     def test_successful_latency_for_cache_run_sla(self, mock_ssh):
 168
 169         options = {
 170             "test_type": "latency_for_cache",
 171             "repetition": 1,
 172             "warmup": 0
 173         }
 174         args = {
 175             "options": options,
 176             "sla": {"max_latency": 35}
 177         }
 178         l = lmbench.Lmbench(args, self.ctx)
 179
 180         sample_output = "{\"L1cache\": 1.6}"
 181         mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
 182         l.run(self.result)
 183         expected_result = jsonutils.loads(sample_output)
 184         self.assertEqual(self.result, expected_result)
 185
 186     def test_unsuccessful_script_error(self, mock_ssh):
 187
 188         options = {"test_type": "bandwidth"}
 189         args = {"options": options}
 190         l = lmbench.Lmbench(args, self.ctx)
 191
 192         mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR')
 193         self.assertRaises(RuntimeError, l.run, self.result)