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#!/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.memload.MEMLoad
import mock
import unittest
import os
from yardstick.benchmark.scenarios.compute import memload
@mock.patch('yardstick.benchmark.scenarios.compute.memload.ssh')
class MEMLoadTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
'host': {
'ip': '172.16.0.137',
'user': 'root',
'key_filename': "mykey.key"
}
}
self.result = {}
def test_memload_successful_setup(self, mock_ssh):
m = memload.MEMLoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
m.setup()
self.assertIsNotNone(m.client)
self.assertTrue(m.setup_done)
def test_execute_command_success(self, mock_ssh):
m = memload.MEMLoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
m.setup()
expected_result = 'abcdefg'
mock_ssh.SSH().execute.return_value = (0, expected_result, '')
result = m._execute_command("foo")
self.assertEqual(result, expected_result)
def test_execute_command_failed(self, mock_ssh):
m = memload.MEMLoad({}, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
m.setup()
mock_ssh.SSH().execute.return_value = (127, '', 'Failed executing \
command')
self.assertRaises(RuntimeError, m._execute_command,
"cat /proc/meminfo")
def test_get_mem_usage_successful(self, mock_ssh):
options = {
"interval": 1,
"count": 1
}
args = {"options": options}
m = memload.MEMLoad(args, self.ctx)
mock_ssh.SSH().execute.return_value = (0, '', '')
m.setup()
output = self._read_file("memload_sample_output.txt")
mock_ssh.SSH().execute.return_value = (0, output, '')
result = m._get_mem_usage()
expected_result = {"max": {"used": 76737332, "cached": 67252400,
"free": 187016644, "shared": 2844,
"total": 263753976, "buffers": 853528},
"average": {"used": 76737332, "cached": 67252400,
"free": 187016644, "shared": 2844,
"total": 263753976, "buffers": 853528},
"free": {"memory0": {"used": "76737332",
"cached": "67252400", "free": "187016644",
"shared": "2844", "total": "263753976",
"buffers": "853528"}}}
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
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