test/test_PolicyCalls.py

   1 # -------------------------------------------------------------------------
   2 #   Copyright (c) 2017-2018 AT&T Intellectual Property
   3 #
   4 #   Licensed under the Apache License, Version 2.0 (the "License");
   5 #   you may not use this file except in compliance with the License.
   6 #   You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 #   Unless required by applicable law or agreed to in writing, software
  11 #   distributed under the License is distributed on an "AS IS" BASIS,
  12 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 #   See the License for the specific language governing permissions and
  14 #   limitations under the License.
  15 #
  16 # -------------------------------------------------------------------------
  17 #
  18 import json
  19 import unittest
  20
  21 from osdf.adapters.local_data import local_policies
  22 from osdf.config.base import osdf_config
  23 from osdf.adapters.policy import interface
  24 from osdf.utils.interfaces import RestClient, json_from_file
  25 import yaml
  26 from mock import patch
  27 from osdf.optimizers.placementopt.conductor import translation
  28 from osdf.operation.exceptions import BusinessException
  29
  30
  31 class TestPolicyCalls(unittest.TestCase):
  32
  33     def setUp(self):
  34         main_dir = ""
  35         parameter_data_file = main_dir + "test/placement-tests/request.json"
  36         policy_data_path = main_dir + "test/policy-local-files/"
  37         local_config_file = main_dir + "config/common_config.yaml"
  38
  39         valid_policies_list_file = policy_data_path + '/' + 'meta-valid-policies.txt'
  40         valid_policies_files = local_policies.get_policy_names_from_file(valid_policies_list_file)
  41
  42         self.request_json = json_from_file(parameter_data_file)
  43         self.policies = [json_from_file(policy_data_path + '/' + name) for name in valid_policies_files]
  44
  45     def tearDown(self):
  46         pass
  47
  48     def get_req_resp(self, req_file, resp_file):
  49         """Get request/response from files"""
  50         req_json = json_from_file(req_file)
  51         resp_json = json_from_file(resp_file)
  52         return req_json, resp_json
  53
  54     def test_policy_api_call(self):
  55         req_json, policy_response = self.get_req_resp("./test/placement-tests/request.json",
  56                                                       "./test/placement-tests/policy_response.json")
  57         with patch('osdf.adapters.policy.interface.policy_api_call', return_value=policy_response):
  58             policy_list = interface.remote_api(req_json, osdf_config, service_type="placement")
  59             self.assertIsNotNone(policy_list)
  60
  61     def failure_policy_call(self, req_json_file, resp_json_file):
  62         req_json, policy_response = self.get_req_resp(req_json_file, resp_json_file)
  63         with patch('osdf.adapters.policy.interface.policy_api_call', return_value=policy_response):
  64             self.assertRaises(BusinessException,
  65                               lambda: interface.remote_api(req_json, osdf_config, service_type="placement"))
  66
  67     def test_policy_api_call_failed_multi(self):
  68         prefix = "./test/placement-tests"
  69         fail_cases = [("request_error1.json", "policy_response.json"),
  70                       ("request.json", "policy_response_error1.json"),
  71                       ("request.json", "policy_response_error2.json")]
  72         for req, resp in fail_cases:
  73             self.failure_policy_call(prefix + "/" + req, prefix + "/" + resp)
  74
  75     def test_get_by_scope(self):
  76         req_json_file = "./test/placement-tests/testScoperequest.json"
  77         all_policies = "./test/placement-tests/policy_response.json"
  78         req_json_obj = json.loads(open(req_json_file).read())
  79         req_json_obj2 = json.loads(open(all_policies).read())
  80         yaml_file = "./test/placement-tests/test_by_scope.yaml"
  81
  82         with open(yaml_file) as yaml_file2:
  83             policy_config_file = yaml.load(yaml_file2)
  84             with patch('osdf.utils.interfaces.RestClient.request', return_value=req_json_obj2):
  85                 policies_list = interface.get_by_scope(RestClient, req_json_obj, policy_config_file, 'placement')
  86                 self.assertTrue(policies_list, 'is null')
  87                 self.assertRaises(Exception)
  88
  89     def test_gen_demands(self):
  90         actionsList = []
  91         genDemandslist = []
  92         req_json = "./test/placement-tests/request.json"
  93         req_json = json.loads(open(req_json).read())
  94         # need to run this only on vnf policies
  95         vnf_policies = [x for x in self.policies if x["content"]["policyType"] == "vnfPolicy"]
  96         genDemands = translation.gen_demands(req_json, vnf_policies)
  97         for action in req_json['placementInfo']['placementDemands']:
  98             actionsList.append(action['resourceModuleName'])
  99         for key2,value in genDemands.items():
 100             genDemandslist.append(key2)
 101         self.assertListEqual(genDemandslist, actionsList, 'generated demands are not equal to the passed input'
 102                                                           '[placementDemand][resourceModuleName] list')
 103
 104     def test_local_policy_location(self):
 105         req_json = json_from_file("./test/placement-tests/request.json")
 106         return interface.local_policies_location(req_json, osdf_config, service_type="placement")
 107
 108
 109 if __name__ == '__main__':
 110     unittest.main()