#!/usr/bin/env python ############################################################################## # Copyright (c) 2016 Huawei Technologies Co.,Ltd 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.cachestat.CACHEstat from __future__ import absolute_import import mock import unittest import os from yardstick.benchmark.scenarios.compute import cachestat @mock.patch('yardstick.benchmark.scenarios.compute.cachestat.ssh') class CACHEstatTestCase(unittest.TestCase): def setUp(self): self.ctx = { 'host': { 'ip': '172.16.0.137', 'user': 'root', 'key_filename': "mykey.key" } } self.result = {} def test_cachestat_successful_setup(self, mock_ssh): c = cachestat.CACHEstat({}, self.ctx) mock_ssh.SSH().execute.return_value = (0, '', '') c.setup() self.assertIsNotNone(c.client) self.assertTrue(c.setup_done) def test_execute_command_success(self, mock_ssh): c = cachestat.CACHEstat({}, self.ctx) mock_ssh.SSH().execute.return_value = (0, '', '') c.setup() expected_result = 'abcdefg' mock_ssh.SSH().execute.return_value = (0, expected_result, '') result = c._execute_command("foo") self.assertEqual(result, expected_result) def test_execute_command_failed(self, mock_ssh): c = cachestat.CACHEstat({}, self.ctx) mock_ssh.SSH().execute.return_value = (0, '', '') c.setup() mock_ssh.SSH().execute.return_value = (127, '', 'Failed executing \ command') self.assertRaises(RuntimeError, c._execute_command, "cat /proc/meminfo") def test_get_cache_usage_successful(self, mock_ssh): options = { "interval": 1, } args = {"options": options} c = cachestat.CACHEstat(args, self.ctx) mock_ssh.SSH().execute.return_value = (0, '', '') c.setup() output = self._read_file("cachestat_sample_output.txt") mock_ssh.SSH().execute.return_value = (0, output, '') result = c._get_cache_usage() expected_result = {"cachestat": {"cache0": {"HITS": "6462", "DIRTIES": "29", "RATIO": "100.0%", "MISSES": "0", "BUFFERS_MB": "1157", "CACHE_MB": "66782"}}, "average": {"HITS": 6462, "DIRTIES": 29, "RATIO": "100.0%", "MISSES": 0, "BUFFERS_MB": 1157, "CACHE_MB": 66782}, "max": {"HITS": 6462, "DIRTIES": 29, "RATIO": 100.0, "MISSES": 0, "BUFFERS_MB": 1157, "CACHE_MB": 66782}} self.assertEqual(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