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# Copyright (c) 2016-2017 Intel Corporation
#
# 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 unittest
import mock
from tests.unit import STL_MOCKS
STLClient = mock.MagicMock()
stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
stl_patch.start()
if stl_patch:
from yardstick.network_services.traffic_profile.trex_traffic_profile \
import TrexProfile
from yardstick.network_services.traffic_profile.rfc2544 import \
RFC2544Profile
class TestRFC2544Profile(unittest.TestCase):
TRAFFIC_PROFILE = {
"schema": "isb:traffic_profile:0.1",
"name": "fixed",
"description": "Fixed traffic profile to run UDP traffic",
"traffic_profile": {
"traffic_type": "FixedTraffic",
"frame_rate": 100, # pps
"flow_number": 10,
"frame_size": 64}}
PROFILE = {'description': 'Traffic profile to run RFC2544 latency',
'name': 'rfc2544',
'traffic_profile': {'traffic_type': 'RFC2544Profile',
'frame_rate': 100},
'downlink_0': {'ipv4':
{'outer_l2': {'framesize':
{'64B': '100', '1518B': '0',
'128B': '0', '1400B': '0',
'256B': '0', '373b': '0',
'570B': '0'}},
'outer_l3v4': {'dstip4': '1.1.1.1-1.15.255.255',
'proto': 'udp',
'srcip4': '90.90.1.1-90.105.255.255',
'dscp': 0, 'ttl': 32, 'count': 1},
'outer_l4': {'srcport': '2001',
'dsrport': '1234', 'count': 1}}},
'uplink_0': {'ipv4':
{'outer_l2': {'framesize':
{'64B': '100', '1518B': '0',
'128B': '0', '1400B': '0',
'256B': '0', '373b': '0',
'570B': '0'}},
'outer_l3v4': {'dstip4': '9.9.1.1-90.105.255.255',
'proto': 'udp',
'srcip4': '1.1.1.1-1.15.255.255',
'dscp': 0, 'ttl': 32, 'count': 1},
'outer_l4': {'dstport': '2001',
'srcport': '1234', 'count': 1}}},
'schema': 'isb:traffic_profile:0.1'}
def test___init__(self):
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
self.assertIsNotNone(r_f_c2544_profile.rate)
def test_execute(self):
traffic_generator = mock.Mock(autospec=TrexProfile)
traffic_generator.networks = {
"uplink_0": ["xe0"],
"downlink_0": ["xe1"],
}
traffic_generator.client.return_value = True
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.params = self.PROFILE
r_f_c2544_profile.first_run = True
self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
def test_get_drop_percentage(self):
traffic_generator = mock.Mock(autospec=TrexProfile)
traffic_generator.networks = {
"uplink_0": ["xe0"],
"downlink_0": ["xe1"],
}
traffic_generator.client.return_value = True
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.params = self.PROFILE
r_f_c2544_profile.register_generator(traffic_generator)
self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
samples = {}
for ifname in range(1):
name = "xe{}".format(ifname)
samples[name] = {
"rx_throughput_fps": 20,
"tx_throughput_fps": 20,
"rx_throughput_mbps": 10,
"tx_throughput_mbps": 10,
"in_packets": 1000,
"out_packets": 1000,
}
expected = {
'DropPercentage': 0.0,
'RxThroughput': 100 / 3.0,
'TxThroughput': 100 / 3.0,
'CurrentDropPercentage': 0.0,
'Throughput': 66.66666666666667,
'xe0': {
'tx_throughput_fps': 20,
'in_packets': 1000,
'out_packets': 1000,
'rx_throughput_mbps': 10,
'tx_throughput_mbps': 10,
'rx_throughput_fps': 20,
},
}
traffic_generator.generate_samples.return_value = samples
traffic_generator.RUN_DURATION = 30
traffic_generator.rfc2544_helper.tolerance_low = 0.0001
traffic_generator.rfc2544_helper.tolerance_high = 0.0001
result = r_f_c2544_profile.get_drop_percentage(traffic_generator)
self.assertDictEqual(result, expected)
def test_get_drop_percentage_update(self):
traffic_generator = mock.Mock(autospec=RFC2544Profile)
traffic_generator.networks = {
"uplink_0": ["xe0"],
"downlink_0": ["xe1"],
}
traffic_generator.client = mock.Mock(return_value=True)
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.params = self.PROFILE
r_f_c2544_profile.register_generator(traffic_generator)
self.assertIsNone(r_f_c2544_profile.execute_traffic())
samples = {}
for ifname in range(1):
name = "xe{}".format(ifname)
samples[name] = {
"rx_throughput_fps": 20,
"tx_throughput_fps": 20,
"rx_throughput_mbps": 10,
"tx_throughput_mbps": 10,
"in_packets": 1000,
"out_packets": 1002,
}
expected = {
'DropPercentage': 0.1996,
'RxThroughput': 33.333333333333336,
'TxThroughput': 33.4,
'CurrentDropPercentage': 0.1996,
'Throughput': 66.66666666666667,
'xe0': {
'tx_throughput_fps': 20,
'in_packets': 1000,
'out_packets': 1002,
'rx_throughput_mbps': 10,
'tx_throughput_mbps': 10,
'rx_throughput_fps': 20,
},
}
traffic_generator.generate_samples = mock.MagicMock(
return_value=samples)
traffic_generator.RUN_DURATION = 30
traffic_generator.rfc2544_helper.tolerance_low = 0.0001
traffic_generator.rfc2544_helper.tolerance_high = 0.0001
result = r_f_c2544_profile.get_drop_percentage(traffic_generator)
self.assertDictEqual(expected, result)
def test_get_drop_percentage_div_zero(self):
traffic_generator = mock.Mock(autospec=TrexProfile)
traffic_generator.networks = {
"uplink_0": ["xe0"],
"downlink_0": ["xe1"],
}
traffic_generator.client = \
mock.Mock(return_value=True)
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.params = self.PROFILE
self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
samples = {}
for ifname in range(1):
name = "xe{}".format(ifname)
samples[name] = {"rx_throughput_fps": 20,
"tx_throughput_fps": 20,
"rx_throughput_mbps": 10,
"tx_throughput_mbps": 10,
"in_packets": 1000,
"out_packets": 0}
r_f_c2544_profile.throughput_max = 0
expected = {
'DropPercentage': 100.0, 'RxThroughput': 100 / 3.0,
'TxThroughput': 0.0, 'CurrentDropPercentage': 100.0,
'Throughput': 66.66666666666667,
'xe0': {
'tx_throughput_fps': 20, 'in_packets': 1000,
'out_packets': 0, 'rx_throughput_mbps': 10,
'tx_throughput_mbps': 10, 'rx_throughput_fps': 20
}
}
traffic_generator.generate_samples = mock.Mock(return_value=samples)
traffic_generator.RUN_DURATION = 30
traffic_generator.rfc2544_helper.tolerance_low = 0.0001
traffic_generator.rfc2544_helper.tolerance_high = 0.0001
self.assertDictEqual(expected,
r_f_c2544_profile.get_drop_percentage(traffic_generator))
def test_get_multiplier(self):
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.max_rate = 100
r_f_c2544_profile.min_rate = 100
self.assertEqual("1.0", r_f_c2544_profile.get_multiplier())
def test_calculate_pps(self):
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.rate = 100
r_f_c2544_profile.pps = 100
samples = {'Throughput': 4549093.33}
self.assertEqual((2274546.67, 1.0),
r_f_c2544_profile.calculate_pps(samples))
def test_create_single_stream(self):
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile._create_single_packet = mock.MagicMock()
r_f_c2544_profile.pg_id = 1
self.assertIsNotNone(
r_f_c2544_profile.create_single_stream(64, 2274546.67))
def test_create_single_stream_no_pg_id(self):
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile._create_single_packet = mock.MagicMock()
r_f_c2544_profile.pg_id = 0
self.assertIsNotNone(
r_f_c2544_profile.create_single_stream(64, 2274546.67))
def test_execute_latency(self):
traffic_generator = mock.Mock(autospec=TrexProfile)
traffic_generator.networks = {
"private_0": ["xe0"],
"public_0": ["xe1"],
}
traffic_generator.client = \
mock.Mock(return_value=True)
r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
r_f_c2544_profile.params = self.PROFILE
r_f_c2544_profile.first_run = True
samples = {}
for ifname in range(1):
name = "xe{}".format(ifname)
samples[name] = {"rx_throughput_fps": 20,
"tx_throughput_fps": 20,
"rx_throughput_mbps": 10,
"tx_throughput_mbps": 10,
"in_packets": 1000,
"out_packets": 0}
samples['Throughput'] = 4549093.33
r_f_c2544_profile.calculate_pps = mock.Mock(return_value=[2274546.67,
1.0])
self.assertIsNone(r_f_c2544_profile.execute_latency(traffic_generator,
samples))
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