def test_setup(self):
scenario = pktgen_dpdk.PktgenDPDKLatency(self.scenario_cfg,
self.context_cfg)
scenario.setup()
self.assertIsNotNone(scenario.server)
self.assertIsNotNone(scenario.client)
self.assertTrue(scenario.setup_done)
def test_pktgen_dpdk_unsuccessful_script_error(self, mock_ssh, mock_time):
args = {'options': {'packetsize': 60}, 'sla': {'max_latency': 100}}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
mock_ssh.SSH.from_node().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.run, result)
def test_run_sla_error(self):
self.scenario_cfg['sla'] = {'max_latency': 100}
scenario = pktgen_dpdk.PktgenDPDKLatency(self.scenario_cfg,
self.context_cfg)
sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
self.mock_SSH.from_node().execute.return_value = (0, sample_output, '')
with self.assertRaises(y_exc.SLAValidationError):
scenario.run({})
def test_pktgen_dpdk_unsuccessful_get_port_mac(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
self.assertRaises(RuntimeError, p.get_port_mac, p.server, "eth1")
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_setup(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(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_run_sla(self):
self.scenario_cfg['sla'] = {'max_latency': 100}
scenario = pktgen_dpdk.PktgenDPDKLatency(self.scenario_cfg,
self.context_cfg)
sample_output = '100\n100\n100\n100\n100\n100\n100\n100\n100\n100\n'
self.mock_SSH.from_node().execute.return_value = (0, sample_output, '')
result = {}
scenario.run(result)
self.assertEqual(result, {"avg_latency": 100})
def test_pktgen_dpdk_unsuccessful_sla(self, mock_ssh, mock_time):
args = {'options': {'packetsize': 60}, 'sla': {'max_latency': 100}}
result = {}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH.from_node()
p.client = mock_ssh.SSH.from_node()
sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
self.assertRaises(AssertionError, p.run, result)
def test_pktgen_dpdk_successful_sla(self, mock_ssh, mock_time):
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'
mock_ssh.SSH.from_node().execute.return_value = (0, sample_output, '')
p.run(result)
self.assertEqual(result, {"avg_latency": 100})
def test_pktgen_dpdk_run_unsuccessful_script_error(self):
args = {'options': {'packetsize': 60}}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
self.mock_ssh.SSH.from_node().execute.side_effect = ((0, '',
''), (0, '', ''),
(0, '',
''), (0, '', ''),
(0, '', ''),
y_exc.SSHError)
self.assertRaises(y_exc.SSHError, p.run, {})
self.assertEqual(self.mock_ssh.SSH.from_node().execute.call_count, 6)
def test_pktgen_dpdk_successful_get_port_mac(self, mock_ssh):
args = {
'options': {'packetsize': 60},
}
p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
p.server = mock_ssh.SSH()
mock_ssh.SSH().execute.return_value = (0, '', '')
p.get_port_mac(p.server, "eth1")
mock_ssh.SSH().execute.assert_called_with(
"ifconfig |grep HWaddr |grep eth1 |awk '{print $5}' ")
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_successful_no_sla(self, mock_ssh):
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'
mock_ssh.SSH().execute.return_value = (0, sample_output, '')
p.run(result)
self.assertEqual(result, {"avg_latency": 132})
def test_pktgen_dpdk_successful_no_sla(self, mock_ssh):
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'
mock_ssh.SSH().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 setUp(self):
self.context_cfg = {
'host': {
'ip': '172.16.0.137',
'user': '******',
'key_filename': 'mykey.key'
},
'target': {
'ip': '172.16.0.138',
'user': '******',
'key_filename': 'mykey.key',
'ipaddr': '172.16.0.138'
}
}
self.scenario_cfg = {'options': {'packetsize': 60}}
self._mock_SSH = mock.patch.object(ssh, 'SSH')
self.mock_SSH = self._mock_SSH.start()
self._mock_time_sleep = mock.patch.object(time, 'sleep')
self.mock_time_sleep = self._mock_time_sleep.start()
self._mock_utils_get_port_ip = mock.patch.object(utils, 'get_port_ip')
self.mock_utils_get_port_ip = self._mock_utils_get_port_ip.start()
self._mock_utils_get_port_mac = mock.patch.object(
utils, 'get_port_mac')
self.mock_utils_get_port_mac = self._mock_utils_get_port_mac.start()
self.mock_SSH.from_node().execute.return_value = (0, '', '')
self.addCleanup(self._stop_mock)
self.scenario = pktgen_dpdk.PktgenDPDKLatency(self.scenario_cfg,
self.context_cfg)
self.scenario.server = self.mock_SSH.from_node()
self.scenario.client = self.mock_SSH.from_node()