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#!/usr/bin/env python
##############################################################################
# Copyright (c) 2015 ZTE 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.networking.pktgen.Pktgen
from __future__ import absolute_import
import unittest
import mock
import yardstick.common.utils as utils
from yardstick.benchmark.scenarios.networking import pktgen_dpdk
@mock.patch('yardstick.benchmark.scenarios.networking.pktgen_dpdk.time')
@mock.patch('yardstick.benchmark.scenarios.networking.pktgen_dpdk.ssh')
class PktgenDPDKLatencyTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
'host': {
'ip': '172.16.0.137',
'user': 'root',
'key_filename': 'mykey.key'
},
'target': {
'ip': '172.16.0.138',
'user': 'root',
'key_filename': 'mykey.key',
'ipaddr': '172.16.0.138'
}
}
def test_pktgen_dpdk_successful_setup(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.setup()
mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
self.assertIsNotNone(p.server)
self.assertIsNotNone(p.client)
self.assertEqual(p.setup_done, True)
def test_pktgen_dpdk_successful_get_port_ip(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
utils.get_port_ip(p.server, "eth1")
mock_ssh.SSH.from_node().execute.assert_called_with(
"ifconfig eth1 |grep 'inet addr' |awk '{print $2}' |cut -d ':' -f2 ")
def test_pktgen_dpdk_unsuccessful_get_port_ip(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, utils.get_port_ip, p.server, "eth1")
def test_pktgen_dpdk_successful_get_port_mac(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
mock_ssh.SSH.from_node().execute.return_value = (0, '', '')
utils.get_port_mac(p.server, "eth1")
mock_ssh.SSH.from_node().execute.assert_called_with(
"ifconfig |grep HWaddr |grep eth1 |awk '{print $5}' ")
def test_pktgen_dpdk_unsuccessful_get_port_mac(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, utils.get_port_mac, p.server, "eth1")
def test_pktgen_dpdk_successful_no_sla(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
p.run(result)
# with python 3 we get float, might be due python division changes
# AssertionError: {'avg_latency': 132.33333333333334} != {
# 'avg_latency': 132}
delta = result['avg_latency'] - 132
self.assertLessEqual(delta, 1)
def test_pktgen_dpdk_successful_sla(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
'sla': {'max_latency': 100}
}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
sample_output = '100\n100\n100\n100\n100\n100\n100\n100\n100\n100\n'
mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
p.run(result)
self.assertEqual(result, {"avg_latency": 100})
def test_pktgen_dpdk_unsuccessful_sla(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
'sla': {'max_latency': 100}
}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
p.client = mock_ssh.SSH.from_node()
sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, result)
def test_pktgen_dpdk_unsuccessful_script_error(self, mock_ssh, mock_time):
args = {
'options': {'packetsize': 60},
'sla': {'max_latency': 100}
}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, result)
def main():
unittest.main()
if __name__ == '__main__':
main()
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