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# Copyright 2017 Nokia
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import subprocess
import time
import mock
import unittest
from yardstick import exceptions as y_exc
from yardstick.benchmark.scenarios.networking import vsperf_dpdk
from yardstick.common import exceptions as y_exc
from yardstick import ssh
class VsperfDPDKTestCase(unittest.TestCase):
def setUp(self):
self.ctx = {
"host": {
"ip": "10.229.47.137",
"user": "ubuntu",
"password": "ubuntu",
},
}
self.args = {
'task_id': "1234-5678",
'options': {
'testname': 'pvp_tput',
'traffic_type': 'rfc2544_throughput',
'frame_size': '64',
'test_params': 'TRAFFICGEN_DURATION=30;',
'trafficgen_port1': 'ens4',
'trafficgen_port2': 'ens5',
'conf_file': 'vsperf-yardstick.conf',
'setup_script': 'setup_yardstick.sh',
'moongen_helper_file': '~/moongen.py',
'moongen_host_ip': '10.5.201.151',
'moongen_port1_mac': '8c:dc:d4:ae:7c:5c',
'moongen_port2_mac': '8c:dc:d4:ae:7c:5d',
'trafficgen_port1_nw': 'test2',
'trafficgen_port2_nw': 'test3',
},
'sla': {
'metrics': 'throughput_rx_fps',
'throughput_rx_fps': 500000,
'action': 'monitor',
}
}
self._mock_ssh = mock.patch.object(ssh, 'SSH')
self.mock_ssh = self._mock_ssh.start()
self._mock_subprocess_call = mock.patch.object(subprocess, 'call')
self.mock_subprocess_call = self._mock_subprocess_call.start()
mock_call_obj = mock.Mock()
mock_call_obj.execute.return_value = None
self.mock_subprocess_call.return_value = mock_call_obj
self._mock_log_info = mock.patch.object(vsperf_dpdk.LOG, 'info')
self.mock_log_info = self._mock_log_info.start()
self.addCleanup(self._cleanup)
self.scenario = vsperf_dpdk.VsperfDPDK(self.args, self.ctx)
self.scenario.setup()
def _cleanup(self):
self._mock_ssh.stop()
self._mock_subprocess_call.stop()
self._mock_log_info.stop()
def test_setup(self):
self.assertIsNotNone(self.scenario.client)
self.assertTrue(self.scenario.setup_done)
def test_teardown(self):
self.scenario.teardown()
self.assertFalse(self.scenario.setup_done)
def test_is_dpdk_setup_no(self):
# is_dpdk_setup() specific mocks
self.mock_ssh.from_node().execute.return_value = (0, 'dummy', '')
self.assertFalse(self.scenario._is_dpdk_setup())
def test_is_dpdk_setup_yes(self):
# is_dpdk_setup() specific mocks
self.mock_ssh.from_node().execute.return_value = (0, '', '')
self.assertTrue(self.scenario._is_dpdk_setup())
@mock.patch.object(time, 'sleep')
def test_dpdk_setup_first(self, *args):
# is_dpdk_setup() specific mocks
self.mock_ssh.from_node().execute.return_value = (0, 'dummy', '')
self.scenario.dpdk_setup()
self.assertFalse(self.scenario._is_dpdk_setup())
self.assertTrue(self.scenario.dpdk_setup_done)
@mock.patch.object(time, 'sleep')
def test_dpdk_setup_next(self, *args):
self.mock_ssh.from_node().execute.return_value = (0, '', '')
self.scenario.dpdk_setup()
self.assertTrue(self.scenario._is_dpdk_setup())
self.assertTrue(self.scenario.dpdk_setup_done)
@mock.patch.object(subprocess, 'check_output')
def test_run_ok(self, *args):
# run() specific mocks
self.mock_ssh.from_node().execute.return_value = (
0, 'throughput_rx_fps\r\n14797660.000\r\n', '')
result = {}
self.scenario.run(result)
self.assertEqual(result['throughput_rx_fps'], '14797660.000')
@mock.patch.object(time, 'sleep')
@mock.patch.object(subprocess, 'check_output')
def test_vsperf_run_sla_fail(self, *args):
self.mock_ssh.from_node().execute.return_value = (
0, 'throughput_rx_fps\r\n123456.000\r\n', '')
with self.assertRaises(y_exc.SLAValidationError) as raised:
self.scenario.run({})
self.assertIn('VSPERF_throughput_rx_fps(123456.000000) < '
'SLA_throughput_rx_fps(500000.000000)',
str(raised.exception))
@mock.patch.object(time, 'sleep')
@mock.patch.object(subprocess, 'check_output')
def test_vsperf_run_sla_fail_metric_not_collected(self, *args):
self.mock_ssh.from_node().execute.return_value = (
0, 'nonexisting_metric\r\n123456.000\r\n', '')
with self.assertRaises(y_exc.SLAValidationError) as raised:
self.scenario.run({})
self.assertIn('throughput_rx_fps was not collected by VSPERF',
str(raised.exception))
@mock.patch.object(time, 'sleep')
@mock.patch.object(subprocess, 'check_output')
def test_vsperf_run_sla_fail_metric_not_collected_faulty_csv(self, *args):
self.scenario.setup()
self.mock_ssh.from_node().execute.return_value = (
0, 'faulty output not csv', '')
with self.assertRaises(y_exc.SLAValidationError) as raised:
self.scenario.run({})
self.assertIn('throughput_rx_fps was not collected by VSPERF',
str(raised.exception))
@mock.patch.object(time, 'sleep')
@mock.patch.object(subprocess, 'check_output')
def test_vsperf_run_sla_fail_sla_not_defined(self, *args):
del self.scenario.scenario_cfg['sla']['throughput_rx_fps']
self.scenario.setup()
self.mock_ssh.from_node().execute.return_value = (
0, 'throughput_rx_fps\r\n14797660.000\r\n', '')
with self.assertRaises(y_exc.SLAValidationError) as raised:
self.scenario.run({})
self.assertIn('throughput_rx_fps is not defined in SLA',
str(raised.exception))
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