#!/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 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' } } self._mock_ssh = mock.patch( 'yardstick.benchmark.scenarios.networking.pktgen_dpdk.ssh') self.mock_ssh = self._mock_ssh.start() self._mock_time = mock.patch( 'yardstick.benchmark.scenarios.networking.pktgen_dpdk.time') self.mock_time = self._mock_time.start() self.addCleanup(self._stop_mock) def _stop_mock(self): self._mock_ssh.stop() self._mock_time.stop() def test_pktgen_dpdk_successful_setup(self): args = { 'options': {'packetsize': 60}, } p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.setup() self.mock_ssh.SSH.from_node().execute.return_value = (0, '', '') self.assertIsNotNone(p.server) self.assertIsNotNone(p.client) self.assertTrue(p.setup_done) def test_pktgen_dpdk_successful_get_port_ip(self): args = { 'options': {'packetsize': 60}, } p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.server = self.mock_ssh.SSH.from_node() self.mock_ssh.SSH.from_node().execute.return_value = (0, '', '') utils.get_port_ip(p.server, "eth1") self.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): args = { 'options': {'packetsize': 60}, } p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.server = self.mock_ssh.SSH.from_node() self.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): args = { 'options': {'packetsize': 60}, } p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.server = self.mock_ssh.SSH.from_node() self.mock_ssh.SSH.from_node().execute.return_value = (0, '', '') utils.get_port_mac(p.server, "eth1") self.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): args = { 'options': {'packetsize': 60}, } p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.server = self.mock_ssh.SSH.from_node() self.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): 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' self.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): 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' self.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): args = { 'options': {'packetsize': 60}, 'sla': {'max_latency': 100} } result = {} p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) p.server = self.mock_ssh.SSH.from_node() p.client = self.mock_ssh.SSH.from_node() sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n' self.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): args = { 'options': {'packetsize': 60}, 'sla': {'max_latency': 100} } result = {} p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx) self.mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p.run, result) def main(): unittest.main() if __name__ == '__main__': main()