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

   1 #!/usr/bin/env python
   2
   3 ##############################################################################
   4 # Copyright (c) 2016 Huawei Technologies Co.,Ltd 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.memload.MEMLoad
  13
  14 import mock
  15 import unittest
  16 import os
  17
  18 from yardstick.benchmark.scenarios.compute import memload
  19
  20
  21 @mock.patch('yardstick.benchmark.scenarios.compute.memload.ssh')
  22 class MEMLoadTestCase(unittest.TestCase):
  23
  24     def setUp(self):
  25         self.ctx = {
  26             'host': {
  27                 'ip': '172.16.0.137',
  28                 'user': 'root',
  29                 'key_filename': "mykey.key"
  30             }
  31         }
  32
  33         self.result = {}
  34
  35     def test_memload_successful_setup(self, mock_ssh):
  36         m = memload.MEMLoad({}, self.ctx)
  37         mock_ssh.SSH().execute.return_value = (0, '', '')
  38
  39         m.setup()
  40         self.assertIsNotNone(m.client)
  41         self.assertTrue(m.setup_done)
  42
  43     def test_execute_command_success(self, mock_ssh):
  44         m = memload.MEMLoad({}, self.ctx)
  45         mock_ssh.SSH().execute.return_value = (0, '', '')
  46         m.setup()
  47
  48         expected_result = 'abcdefg'
  49         mock_ssh.SSH().execute.return_value = (0, expected_result, '')
  50         result = m._execute_command("foo")
  51         self.assertEqual(result, expected_result)
  52
  53     def test_execute_command_failed(self, mock_ssh):
  54         m = memload.MEMLoad({}, self.ctx)
  55         mock_ssh.SSH().execute.return_value = (0, '', '')
  56         m.setup()
  57
  58         mock_ssh.SSH().execute.return_value = (127, '', 'Failed executing \
  59                                                command')
  60         self.assertRaises(RuntimeError, m._execute_command,
  61                           "cat /proc/meminfo")
  62
  63     def test_get_mem_usage_successful(self, mock_ssh):
  64         options = {
  65             "interval": 1,
  66             "count": 1
  67         }
  68         args = {"options": options}
  69         m = memload.MEMLoad(args, self.ctx)
  70         mock_ssh.SSH().execute.return_value = (0, '', '')
  71         m.setup()
  72
  73         output = self._read_file("memload_sample_output.txt")
  74         mock_ssh.SSH().execute.return_value = (0, output, '')
  75         result = m._get_mem_usage()
  76         expected_result = {"max": {"used": 76737332, "cached": 67252400,
  77                            "free": 187016644, "shared": 2844,
  78                            "total": 263753976, "buffers": 853528},
  79                            "average": {"used": 76737332, "cached": 67252400,
  80                            "free": 187016644, "shared": 2844,
  81                            "total": 263753976, "buffers": 853528},
  82                            "free": {"memory0": {"used": "76737332",
  83                            "cached": "67252400", "free": "187016644",
  84                            "shared": "2844", "total": "263753976",
  85                            "buffers": "853528"}}}
  86         self.assertEqual(result, expected_result)
  87
  88     def _read_file(self, filename):
  89         curr_path = os.path.dirname(os.path.abspath(__file__))
  90         output = os.path.join(curr_path, filename)
  91         with open(output) as f:
  92             sample_output = f.read()
  93         return sample_output
  94