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# Copyright (c) 2018 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 copy
import sys
import mock
import unittest
from yardstick import tests as y_tests
from yardstick.common import utils
with mock.patch.dict(sys.modules, y_tests.STL_MOCKS):
from yardstick.benchmark.scenarios.networking import vnf_generic
TRAFFIC_PROFILE_1 = """
schema: nsb:traffic_profile:0.1
name: rfc2544
description: Traffic profile to run RFC2544 latency
traffic_profile:
traffic_type : RFC2544Profile
frame_rate : 100
uplink_0:
ipv4:
id: 1
outer_l2:
framesize:
64B: "{{get(imix, 'imix.uplink.64B', '0') }}"
128B: "{{get(imix, 'imix.uplink.128B', '0') }}"
"""
TRAFFIC_PROFILE_2 = """
{% set vports = get(extra_args, 'vports', 1) %}
traffic_profile:
traffic_type : RFC2544Profile
{% for vport in range(vports|int) %}
uplink_{{vport}}:
ipv4: 192.168.0.{{vport}}
{% endfor %}
"""
TOPOLOGY_PROFILE = """
{% set vports = get(extra_args, 'vports', 2) %}
nsd:nsd-catalog:
nsd:
- id: 3tg-topology
vld:
{% for vport in range(0,vports,2|int) %}
- id: uplink_{{loop.index0}}
name: tg__0 to vnf__0 link {{vport + 1}}
vnfd-connection-point-ref:
- vnfd-connection-point-ref: xe{{vport}}
- id: downlink_{{loop.index0}}
name: vnf__0 to tg__0 link {{vport + 2}}
vnfd-connection-point-ref:
- vnfd-connection-point-ref: xe{{vport+1}}
{% endfor %}
"""
class VnfGenericTestCase(unittest.TestCase):
def setUp(self):
scenario_cfg = {'topology': 'fake_topology',
'task_path': 'fake_path',
'traffic_profile': 'fake_fprofile_path'}
context_cfg = {}
topology_yaml = {'nsd:nsd-catalog': {'nsd': [mock.Mock()]}}
with mock.patch.object(utils, 'open_relative_file') as mock_open_path:
mock_open_path.side_effect = mock.mock_open(read_data=str(topology_yaml))
self.ns_testcase = vnf_generic.NetworkServiceTestCase(scenario_cfg,
context_cfg)
self.ns_testcase._get_traffic_profile = mock.Mock()
self.ns_testcase._get_topology = mock.Mock()
def test__fill_traffic_profile_no_args(self):
traffic_profile = copy.deepcopy(TRAFFIC_PROFILE_1)
self.ns_testcase._get_traffic_profile.return_value = traffic_profile
self.ns_testcase._fill_traffic_profile()
config = self.ns_testcase.traffic_profile.params
self.assertEqual('nsb:traffic_profile:0.1', config['schema'])
self.assertEqual('rfc2544', config['name'])
self.assertEqual('Traffic profile to run RFC2544 latency',
config['description'])
t_profile = {'traffic_type': 'RFC2544Profile',
'frame_rate': 100}
self.assertEqual(t_profile, config['traffic_profile'])
uplink_0 = {
'ipv4': {'id': 1,
'outer_l2': {'framesize': {'128B': '0', '64B': '0'}}
}
}
self.assertEqual(uplink_0, config['uplink_0'])
def test__fill_traffic_profile_with_args(self):
traffic_profile = copy.deepcopy(TRAFFIC_PROFILE_2)
self.ns_testcase._get_traffic_profile.return_value = traffic_profile
self.ns_testcase.scenario_cfg['extra_args'] = {'vports': 3}
self.ns_testcase._fill_traffic_profile()
config = self.ns_testcase.traffic_profile.params
self.assertEqual({'ipv4': '192.168.0.0'}, config['uplink_0'])
self.assertEqual({'ipv4': '192.168.0.1'}, config['uplink_1'])
self.assertEqual({'ipv4': '192.168.0.2'}, config['uplink_2'])
self.assertNotIn('uplink_3', config)
def test__fill_traffic_profile_incorrect_args(self):
traffic_profile = copy.deepcopy(TRAFFIC_PROFILE_2)
self.ns_testcase._get_traffic_profile.return_value = traffic_profile
self.ns_testcase.scenario_cfg['extra_args'] = {'incorrect_vports': 3}
self.ns_testcase._fill_traffic_profile()
config = self.ns_testcase.traffic_profile.params
self.assertEqual({'ipv4': '192.168.0.0'}, config['uplink_0'])
self.assertNotIn('uplink_1', config)
def test__render_topology_with_args(self):
topology_profile = copy.deepcopy(TOPOLOGY_PROFILE)
self.ns_testcase._get_topology.return_value = topology_profile
self.ns_testcase.scenario_cfg['extra_args'] = {'vports': 6}
self.ns_testcase._render_topology()
topology = self.ns_testcase.topology
self.assertEqual("3tg-topology", topology['id'])
vld = self.ns_testcase.topology['vld']
self.assertEqual(len(vld), 6)
for index, vport in enumerate(range(0, 6, 2)):
self.assertEqual('uplink_{}'.format(index), vld[vport]['id'])
self.assertEqual('tg__0 to vnf__0 link {}'.format(vport + 1), vld[vport]['name'])
self.assertEqual('xe{}'.format(vport),
vld[vport]['vnfd-connection-point-ref'][0]
['vnfd-connection-point-ref'])
self.assertEqual('downlink_{}'.format(index), vld[vport + 1]['id'])
self.assertEqual('vnf__0 to tg__0 link {}'.format(vport + 2), vld[vport + 1]['name'])
self.assertEqual('xe{}'.format(vport + 1),
vld[vport + 1]['vnfd-connection-point-ref'][0]
['vnfd-connection-point-ref'])
def test__render_topology_incorrect_args(self):
topology_profile = copy.deepcopy(TOPOLOGY_PROFILE)
self.ns_testcase._get_topology.return_value = topology_profile
self.ns_testcase.scenario_cfg['extra_args'] = {'fake_vports': 5}
self.ns_testcase._render_topology()
topology = self.ns_testcase.topology
self.assertEqual("3tg-topology", topology['id'])
vld = self.ns_testcase.topology['vld']
self.assertEqual(len(vld), 2)
self.assertEqual('uplink_0', vld[0]['id'])
self.assertEqual('tg__0 to vnf__0 link 1', vld[0]['name'])
self.assertEqual('xe0',
vld[0]['vnfd-connection-point-ref'][0]['vnfd-connection-point-ref'])
self.assertEqual('downlink_0', vld[1]['id'])
self.assertEqual('vnf__0 to tg__0 link 2', vld[1]['name'])
self.assertEqual('xe1',
vld[1]['vnfd-connection-point-ref'][0]['vnfd-connection-point-ref'])
def test__render_topology_no_args(self):
topology_profile = copy.deepcopy(TOPOLOGY_PROFILE)
self.ns_testcase._get_topology.return_value = topology_profile
self.ns_testcase._render_topology()
topology = self.ns_testcase.topology
self.assertEqual("3tg-topology", topology['id'])
vld = self.ns_testcase.topology['vld']
self.assertEqual(len(vld), 2)
self.assertEqual('uplink_0', vld[0]['id'])
self.assertEqual('tg__0 to vnf__0 link 1', vld[0]['name'])
self.assertEqual('xe0',
vld[0]['vnfd-connection-point-ref'][0]['vnfd-connection-point-ref'])
self.assertEqual('downlink_0', vld[1]['id'])
self.assertEqual('vnf__0 to tg__0 link 2', vld[1]['name'])
self.assertEqual('xe1',
vld[1]['vnfd-connection-point-ref'][0]['vnfd-connection-point-ref'])
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