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#!/usr/bin/env python
##############################################################################
# Copyright (c) 2015 Ericsson AB 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.storage.fio.Fio
import mock
import unittest
import json
import os
from yardstick.benchmark.scenarios.storage import fio
@mock.patch('yardstick.benchmark.scenarios.storage.fio.ssh')
class FioTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
'host': '172.16.0.137',
'user': 'cirros',
'key_filename': "mykey.key"
}
def test_fio_successful_setup(self, mock_ssh):
p = fio.Fio(self.ctx)
options = {
'filename': "/home/ec2-user/data.raw",
'bs': "4k",
'rw': "rw",
'ramp_time': 10
}
args = {'options': options}
p.setup()
mock_ssh.SSH().execute.return_value = (0, '', '')
self.assertIsNotNone(p.client)
self.assertEqual(p.setup_done, True)
def test_fio_successful_no_sla(self, mock_ssh):
p = fio.Fio(self.ctx)
options = {
'filename': "/home/ec2-user/data.raw",
'bs': "4k",
'rw': "rw",
'ramp_time': 10
}
args = {'options': options}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output()
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
result = p.run(args)
expected_result = '{"read_bw": 83888, "read_iops": 20972,' \
'"read_lat": 236.8, "write_bw": 84182, "write_iops": 21045,'\
'"write_lat": 233.55}'
expected_result = json.loads(expected_result)
self.assertEqual(result, expected_result)
def test_fio_unsuccessful_script_error(self, mock_ssh):
p = fio.Fio(self.ctx)
options = {
'filename': "/home/ec2-user/data.raw",
'bs': "4k",
'rw': "rw",
'ramp_time': 10
}
args = {'options': options}
p.client = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, args)
def _read_sample_output(self):
curr_path = os.path.dirname(os.path.abspath(__file__))
output = os.path.join(curr_path, 'fio_sample_output.json')
with open(output) as f:
sample_output = f.read()
return sample_output
def main():
unittest.main()
if __name__ == '__main__':
main()
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