#!/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.networking.pktgen.Pktgen import mock import unittest import json from yardstick.benchmark.scenarios.networking import pktgen @mock.patch('yardstick.benchmark.scenarios.networking.pktgen.ssh') class PktgenTestCase(unittest.TestCase): def setUp(self): self.ctx = { 'host': '172.16.0.137', 'target': '172.16.0.138', 'user': 'cirros', 'key_filename': "mykey.key" } def test_pktgen_successful_setup(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60}, 'ipaddr': '172.16.0.139' } p.setup() mock_ssh.SSH().execute.return_value = (0, '', '') self.assertIsNotNone(p.server) self.assertIsNotNone(p.client) self.assertEqual(p.setup_done, True) def test_pktgen_successful_iptables_setup(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139' } p.server = mock_ssh.SSH() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH().execute.return_value = (0, '', '') p._iptables_setup() mock_ssh.SSH().execute.assert_called_with( "sudo iptables -F; " "sudo iptables -A INPUT -p udp --dport 1000:%s -j DROP" % 1010) def test_pktgen_unsuccessful_iptables_setup(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139' } p.server = mock_ssh.SSH() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p._iptables_setup) def test_pktgen_successful_iptables_get_result(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139' } p.server = mock_ssh.SSH() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH().execute.return_value = (0, '150000', '') p._iptables_get_result() mock_ssh.SSH().execute.assert_called_with( "sudo iptables -L INPUT -vnx |" "awk '/dpts:1000:%s/ {{printf \"%%s\", $1}}'" % 1010) def test_pktgen_unsuccessful_iptables_get_result(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139' } p.server = mock_ssh.SSH() p.number_of_ports = args['options']['number_of_ports'] mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p._iptables_get_result) def test_pktgen_successful_no_sla(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139' } result = {} p.server = mock_ssh.SSH() p.client = mock_ssh.SSH() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "flows": 110}' mock_ssh.SSH().execute.return_value = (0, sample_output, '') p.run(args, result) expected_result = json.loads(sample_output) expected_result["packets_received"] = 149300 self.assertEqual(result, expected_result) def test_pktgen_successful_sla(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139', 'sla': {'max_ppm': 10000} } result = {} p.server = mock_ssh.SSH() p.client = mock_ssh.SSH() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "flows": 110}' mock_ssh.SSH().execute.return_value = (0, sample_output, '') p.run(args, result) expected_result = json.loads(sample_output) expected_result["packets_received"] = 149300 self.assertEqual(result, expected_result) def test_pktgen_unsuccessful_sla(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139', 'sla': {'max_ppm': 1000} } result = {} p.server = mock_ssh.SSH() p.client = mock_ssh.SSH() mock_iptables_result = mock.Mock() mock_iptables_result.return_value = 149300 p._iptables_get_result = mock_iptables_result sample_output = '{"packets_per_second": 9753, "errors": 0, \ "packets_sent": 149776, "flows": 110}' mock_ssh.SSH().execute.return_value = (0, sample_output, '') self.assertRaises(AssertionError, p.run, args, result) def test_pktgen_unsuccessful_script_error(self, mock_ssh): p = pktgen.Pktgen(self.ctx) args = { 'options': {'packetsize': 60, 'number_of_ports': 10}, 'ipaddr': '172.16.0.139', 'sla': {'max_ppm': 1000} } result = {} p.server = mock_ssh.SSH() p.client = mock_ssh.SSH() mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR') self.assertRaises(RuntimeError, p.run, args, result) def main(): unittest.main() if __name__ == '__main__': main()