1 # Copyright 2015 Intel Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 """TestCase base class
20 from collections import OrderedDict
22 from core.results.results_constants import ResultsConstants
23 import core.component_factory as component_factory
24 from core.loader import Loader
26 class TestCase(object):
27 """TestCase base class
29 In this basic form runs RFC2544 throughput test
31 def __init__(self, cfg, results_dir):
32 """Pull out fields from test config
34 :param cfg: A dictionary of string-value pairs describing the test
35 configuration. Both the key and values strings use well-known
37 :param results_dir: Where the csv formatted results are written.
39 self._logger = logging.getLogger(__name__)
40 self.name = cfg['Name']
41 self.desc = cfg.get('Description', 'No description given.')
42 self._traffic_type = cfg['Traffic Type']
43 self.deployment = cfg['Deployment']
44 self._collector = cfg['Collector']
45 self._bidir = cfg['biDirectional']
46 self._frame_mod = cfg.get('Frame Modification', None)
48 self._frame_mod = self._frame_mod.lower()
49 self._results_dir = results_dir
50 self._multistream = cfg.get('MultiStream', 0)
55 All setup and teardown through controllers is included.
57 self._logger.debug(self.name)
59 self._logger.debug("Controllers:")
61 traffic_ctl = component_factory.create_traffic(
63 loader.get_trafficgen_class())
64 vnf_ctl = component_factory.create_vnf(
66 loader.get_vnf_class())
67 vswitch_ctl = component_factory.create_vswitch(
69 loader.get_vswitch_class(),
71 collector_ctl = component_factory.create_collector(
73 loader.get_collector_class())
76 self._logger.debug("Setup:")
77 collector_ctl.log_cpu_stats()
80 traffic = {'traffic_type': self._traffic_type,
82 'multistream': self._multistream}
84 vswitch = vswitch_ctl.get_vswitch()
85 if self._frame_mod == "vlan":
86 flow = {'table':'2', 'priority':'1000', 'metadata':'2',
87 'actions': ['push_vlan:0x8100', 'goto_table:3']}
88 vswitch.add_flow('br0', flow)
89 flow = {'table':'2', 'priority':'1000', 'metadata':'1',
90 'actions': ['push_vlan:0x8100', 'goto_table:3']}
91 vswitch.add_flow('br0', flow)
94 traffic_ctl.send_traffic(traffic)
96 self._logger.debug("Traffic Results:")
97 traffic_ctl.print_results()
99 self._logger.debug("Collector Results:")
100 self._logger.debug(collector_ctl.get_results())
102 output_file = "result_" + self.name + "_" + self.deployment +".csv"
104 TestCase._write_result_to_file(
105 self._append_results(traffic_ctl.get_results()),
106 os.path.join(self._results_dir, output_file))
108 def _append_results(self, results):
110 Method appends mandatory Test Case results to list of dictionaries.
112 :param results: list of dictionaries which contains results from
115 :returns: modified list of dictionaries.
118 item[ResultsConstants.ID] = self.name
119 item[ResultsConstants.DEPLOYMENT] = self.deployment
125 def _write_result_to_file(results, output):
126 """Write list of dictionaries to a CSV file.
128 Each element on list will create separate row in output file.
129 If output file already exists, data will be appended at the end,
130 otherwise it will be created.
132 :param results: list of dictionaries.
133 :param output: path to output file.
135 with open(output, 'a') as csvfile:
137 logging.info("Write results to file: " + output)
138 fieldnames = TestCase._get_unique_keys(results)
140 writer = csv.DictWriter(csvfile, fieldnames)
142 if not csvfile.tell(): # file is now empty
145 for result in results:
146 writer.writerow(result)
150 def _get_unique_keys(list_of_dicts):
151 """Gets unique key values as ordered list of strings in given dicts
153 :param list_of_dicts: list of dictionaries.
155 :returns: list of unique keys(strings).
157 result = OrderedDict()
158 for item in list_of_dicts:
159 for key in item.keys():
162 return list(result.keys())