#!/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': {
'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_successful_setup(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen.Pktgen(args, self.ctx)
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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
p = pktgen.Pktgen(args, self.ctx)
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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
p = pktgen.Pktgen(args, self.ctx)
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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
p = pktgen.Pktgen(args, self.ctx)
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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
p = pktgen.Pktgen(args, self.ctx)
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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
result = {}
p = pktgen.Pktgen(args, self.ctx)
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(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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 10000}
}
result = {}
p = pktgen.Pktgen(args, self.ctx)
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(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):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 1000}
}
result = {}
p = pktgen.Pktgen(args, self.ctx)
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, result)
def test_pktgen_unsuccessful_script_error(self, mock_ssh):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 1000}
}
result = {}
p = pktgen.Pktgen(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, result)
def main():
unittest.main()
if __name__ == '__main__':
main()