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##############################################################################
# Copyright (c) 2017 Nokia 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
##############################################################################
#!/usr/bin/env python
# Unittest for yardstick.benchmark.scenarios.networking.pktgen.PktgenDPDK
from __future__ import absolute_import
import unittest
from oslo_serialization import jsonutils
import mock
from yardstick.benchmark.scenarios.networking import pktgen_dpdk_throughput
@mock.patch('yardstick.benchmark.scenarios.networking.pktgen_dpdk_throughput.ssh')
class PktgenDPDKTestCase(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',
}
}
self._mock_time = mock.patch(
'yardstick.benchmark.scenarios.networking.pktgen_dpdk_throughput.time')
self.mock_time = self._mock_time.start()
self.addCleanup(self._cleanup)
def _cleanup(self):
self._mock_time.stop()
def test_pktgen_dpdk_throughput_successful_setup(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.setup()
mock_ssh.SSH().execute.return_value = (0, '', '')
self.assertIsNotNone(p.server)
self.assertIsNotNone(p.client)
self.assertTrue(p.setup_done)
def test_pktgen_dpdk_throughput_successful_no_sla(self, mock_ssh):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
}
result = {}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_dpdk_result = mock.Mock()
mock_dpdk_result.return_value = 149300
p._dpdk_get_result = mock_dpdk_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 = jsonutils.loads(sample_output)
expected_result["packets_received"] = 149300
expected_result["packetsize"] = 60
self.assertEqual(result, expected_result)
def test_pktgen_dpdk_throughput_successful_sla(self, mock_ssh):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 10000}
}
result = {}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_dpdk_result = mock.Mock()
mock_dpdk_result.return_value = 149300
p._dpdk_get_result = mock_dpdk_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 = jsonutils.loads(sample_output)
expected_result["packets_received"] = 149300
expected_result["packetsize"] = 60
self.assertEqual(result, expected_result)
def test_pktgen_dpdk_throughput_unsuccessful_sla(self, mock_ssh):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 1000}
}
result = {}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_dpdk_result = mock.Mock()
mock_dpdk_result.return_value = 149300
p._dpdk_get_result = mock_dpdk_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_dpdk_throughput_unsuccessful_script_error(
self, mock_ssh):
args = {
'options': {'packetsize': 60, 'number_of_ports': 10},
'sla': {'max_ppm': 1000}
}
result = {}
p = pktgen_dpdk_throughput.PktgenDPDK(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 test_pktgen_dpdk_throughput_is_dpdk_setup(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (0, '', '')
p._is_dpdk_setup("server")
mock_ssh.SSH().execute.assert_called_with(
"ip a | grep eth1 2>/dev/null")
def test_pktgen_dpdk_throughput_dpdk_setup(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (0, '', '')
p.dpdk_setup()
self.assertTrue(p.dpdk_setup_done)
def test_pktgen_dpdk_throughput_dpdk_get_result(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk_throughput.PktgenDPDK(args, self.ctx)
p.server = mock_ssh.SSH()
p.client = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (0, '10000', '')
p._dpdk_get_result()
mock_ssh.SSH().execute.assert_called_with(
"sudo /dpdk/destdir/bin/dpdk-procinfo -- --stats-reset > /dev/null 2>&1")
def main():
unittest.main()
if __name__ == '__main__':
main()
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