yardstick/tests/unit/benchmark/scenarios/compute/test_memload.py

   1 ##############################################################################
   2 # Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10 # Unittest for yardstick.benchmark.scenarios.compute.memload.MEMLoad
  11
  12 from __future__ import absolute_import
  13 import mock
  14 import unittest
  15 import os
  16
  17 from yardstick.benchmark.scenarios.compute import memload
  18
  19
  20 @mock.patch('yardstick.benchmark.scenarios.compute.memload.ssh')
  21 class MEMLoadTestCase(unittest.TestCase):
  22
  23     def setUp(self):
  24         self.ctx = {
  25             'host': {
  26                 'ip': '172.16.0.137',
  27                 'user': 'root',
  28                 'key_filename': "mykey.key"
  29             }
  30         }
  31
  32         self.result = {}
  33
  34     def test_memload_successful_setup(self, mock_ssh):
  35         m = memload.MEMLoad({}, self.ctx)
  36         mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
  37
  38         m.setup()
  39         self.assertIsNotNone(m.client)
  40         self.assertTrue(m.setup_done)
  41
  42     def test_execute_command_success(self, mock_ssh):
  43         m = memload.MEMLoad({}, self.ctx)
  44         mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
  45         m.setup()
  46
  47         expected_result = 'abcdefg'
  48         mock_ssh.SSH.from_node().execute.return_value = (0, expected_result, '')
  49         result = m._execute_command("foo")
  50         self.assertEqual(result, expected_result)
  51
  52     def test_execute_command_failed(self, mock_ssh):
  53         m = memload.MEMLoad({}, self.ctx)
  54         mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
  55         m.setup()
  56
  57         mock_ssh.SSH.from_node().execute.return_value = (127, '', 'Failed executing \
  58                                                command')
  59         self.assertRaises(RuntimeError, m._execute_command,
  60                           "cat /proc/meminfo")
  61
  62     def test_get_mem_usage_successful(self, mock_ssh):
  63         options = {
  64             "interval": 1,
  65             "count": 1
  66         }
  67         args = {"options": options}
  68         m = memload.MEMLoad(args, self.ctx)
  69         mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
  70         m.setup()
  71
  72         output = self._read_file("memload_sample_output.txt")
  73         mock_ssh.SSH.from_node().execute.return_value = (0, output, '')
  74         result = m._get_mem_usage()
  75         expected_result = {
  76             "max": {
  77                 'shared': 2844,
  78                 'buff/cache': 853528,
  79                 'total': 263753976,
  80                 'free': 187016644,
  81                 'used': 76737332
  82             },
  83             "average": {
  84                 'shared': 2844,
  85                 'buff/cache': 853528,
  86                 'total': 263753976,
  87                 'free': 187016644,
  88                 'used': 76737332
  89             },
  90             "free": {
  91                 "memory0": {
  92                     "used": "76737332",
  93                     "buff/cache": "853528",
  94                     "free": "187016644",
  95                     "shared": "2844",
  96                     "total": "263753976",
  97                     "available": "67252400"
  98                 }
  99             }
 100         }
 101
 102         self.assertEqual(result, expected_result)
 103
 104     def _read_file(self, filename):
 105         curr_path = os.path.dirname(os.path.abspath(__file__))
 106         output = os.path.join(curr_path, filename)
 107         with open(output) as f:
 108             sample_output = f.read()
 109         return sample_output