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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': {
'ip': '172.16.0.137',
'user': 'cirros',
'key_filename': 'mykey.key'
}
}
self.sample_output = {
'read': 'fio_read_sample_output.json',
'write': 'fio_write_sample_output.json',
'rw': 'fio_rw_sample_output.json'
}
def test_fio_successful_setup(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {'options': options}
p = fio.Fio(args, self.ctx)
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):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {'options': options}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['rw'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
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_successful_read_no_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': "read",
'ramp_time': 10
}
args = {'options': options}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['read'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
expected_result = '{"read_bw": 36113, "read_iops": 9028,' \
'"read_lat": 108.7}'
expected_result = json.loads(expected_result)
self.assertEqual(result, expected_result)
def test_fio_successful_write_no_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'write',
'ramp_time': 10
}
args = {'options': options}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['write'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
expected_result = '{"write_bw": 35107, "write_iops": 8776,'\
'"write_lat": 111.74}'
expected_result = json.loads(expected_result)
self.assertEqual(result, expected_result)
def test_fio_successful_lat_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {
'options': options,
'sla': {'write_lat': 300.1}
}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['rw'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
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_lat_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {
'options': options,
'sla': {'write_lat': 200.1}
}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['rw'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, result)
def test_fio_successful_bw_iops_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {
'options': options,
'sla': {'read_iops': 20000}
}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['rw'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
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_bw_iops_sla(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {
'options': options,
'sla': {'read_iops': 30000}
}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
sample_output = self._read_sample_output(self.sample_output['rw'])
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, result)
def test_fio_unsuccessful_script_error(self, mock_ssh):
options = {
'filename': '/home/ec2-user/data.raw',
'bs': '4k',
'rw': 'rw',
'ramp_time': 10
}
args = {'options': options}
p = fio.Fio(args, self.ctx)
result = {}
p.client = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, result)
def _read_sample_output(self, file_name):
curr_path = os.path.dirname(os.path.abspath(__file__))
output = os.path.join(curr_path, file_name)
with open(output) as f:
sample_output = f.read()
return sample_output
def main():
unittest.main()
if __name__ == '__main__':
main()
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