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# -------------------------------------------------------------------------
# Copyright (C) 2020 Wipro Limited.
#
# 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 json
import unittest
from requests import RequestException, Response
from apps.slice_selection.optimizers.conductor.remote_opt_processor import SliceSelectionOptimizer
from osdf.adapters.local_data import local_policies
from osdf.utils.interfaces import json_from_file, yaml_from_file
from osdf.utils.programming_utils import DotDict
import osdf.config.loader as config_loader
from mock import patch, MagicMock
import json
from osdf.logging.osdf_logging import error_log, debug_log
from osdf.adapters.policy.interface import get_policies
class TestRemoteOptProcessor(unittest.TestCase):
def setUp(self):
self.config_spec = {
"deployment": "config/osdf_config.yaml",
"core": "config/common_config.yaml"
}
slice_spec = "config/slicing_config.yaml"
self.slice_config = config_loader.load_config_file(slice_spec)
self.osdf_config = DotDict(config_loader.all_configs(**self.config_spec))
self.patcher_RestClient = patch(
'osdf.utils.interfaces.RestClient.request', return_value=MagicMock())
self.mock_rc = self.patcher_RestClient.start()
def tearDown(self):
patch.stopall()
def test_process_nsi_selection_opt(self):
main_dir = ""
request_file = main_dir + 'test/apps/slice_selection/nsi_selection_request.json'
not_shared_request_file = main_dir + 'test/apps/slice_selection/not_shared_nsi_request.json'
#response files
new_solution_response_file = main_dir + 'test/apps/slice_selection/new_solution_nsi_response.json'
shared_solution_response_file = main_dir + 'test/apps/slice_selection/shared_solution_nsi_response.json'
no_solution_response_file = main_dir + 'test/apps/slice_selection/no_recomm_nsi_response.json'
error_response_file = main_dir + 'test/apps/slice_selection/nsi_error_response.json'
request_json = json_from_file(request_file)
new_solution_response_json = json_from_file(new_solution_response_file)
shared_solution_response_json = json_from_file(shared_solution_response_file)
no_solution_response_json = json_from_file(no_solution_response_file)
error_response_json = json_from_file(error_response_file)
policies_path = main_dir + 'test/policy-local-files/slice-selection-files'
slice_policies_file = main_dir + 'test/apps/slice_selection/slice_policies.txt'
valid_policies_files = local_policies.get_policy_names_from_file(slice_policies_file)
policies = [json_from_file(policies_path + '/' + name) for name in valid_policies_files]
self.patcher_get_policies = patch('osdf.adapters.policy.interface.remote_api',
return_value=policies)
self.Mock_get_policies = self.patcher_get_policies.start()
# new solution
new_solution_conductor_response_file = 'test/apps/slice_selection/new_solution_conductor_response.json'
new_solution_conductor_response = json_from_file(new_solution_conductor_response_file)
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
return_value=new_solution_conductor_response)
self.Mock_req = self.patcher_req.start()
slice_select_opt = SliceSelectionOptimizer(self.osdf_config, self.slice_config, request_json, 'NSI')
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=new_solution_response_json, noresponse=True)
self.patcher_req.stop()
# shared solution
request_json['preferReuse'] = True
shared_solution_conductor_response_file = 'test/apps/slice_selection/shared_solution_conductor_response.json'
shared_solution_conductor_response = json_from_file(shared_solution_conductor_response_file)
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
return_value=shared_solution_conductor_response)
self.Mock_req = self.patcher_req.start()
slice_select_opt = SliceSelectionOptimizer(self.osdf_config, self.slice_config, request_json, 'NSI')
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=shared_solution_response_json, noresponse=True)
self.patcher_req.stop()
# no recommendation
no_solution_conductor_response_file = 'test/apps/slice_selection/no_rec.json'
no_solution_conductor_response = json_from_file(no_solution_conductor_response_file)
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
return_value=no_solution_conductor_response)
self.Mock_req = self.patcher_req.start()
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=no_solution_response_json, noresponse=True)
self.patcher_req.stop()
# Exception
conductor_error_response_file = 'test/apps/slice_selection/conductor_error_response.json'
conductor_error_response = json_from_file(conductor_error_response_file)
response = Response()
response._content = json.dumps(conductor_error_response).encode()
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
side_effect=RequestException(response=response))
self.Mock_req = self.patcher_req.start()
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=error_response_json, noresponse=True)
self.patcher_req.stop()
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
side_effect=Exception("Some error message"))
self.Mock_req = self.patcher_req.start()
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=error_response_json, noresponse=True)
self.patcher_req.stop()
def test_process_nssi_selection_opt(self):
main_dir = ""
request_file = main_dir + 'test/apps/slice_selection/nssi_selection_request.json'
# response files
shared_solution_response_file = main_dir + 'test/apps/slice_selection/shared_solution_nssi_response.json'
error_response_file = main_dir + 'test/apps/slice_selection/nssi_error_response.json'
request_json = json_from_file(request_file)
shared_solution_response_json = json_from_file(shared_solution_response_file)
error_response_json = json_from_file(error_response_file)
policies_path = main_dir + 'test/policy-local-files/slice-selection-files'
slice_policies_file = main_dir + 'test/apps/slice_selection/subnet_policies.txt'
valid_policies_files = local_policies.get_policy_names_from_file(slice_policies_file)
policies = [json_from_file(policies_path + '/' + name) for name in valid_policies_files]
self.patcher_get_policies = patch('osdf.adapters.policy.interface.remote_api',
return_value=policies)
self.Mock_get_policies = self.patcher_get_policies.start()
shared_solution_conductor_response_file = 'test/apps/slice_selection/nssi_conductor_response.json'
shared_solution_conductor_response = json_from_file(shared_solution_conductor_response_file)
self.patcher_req = patch('osdf.adapters.conductor.conductor.request',
return_value=shared_solution_conductor_response)
self.Mock_req = self.patcher_req.start()
slice_select_opt = SliceSelectionOptimizer(self.osdf_config, self.slice_config, request_json, 'NSSI')
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=shared_solution_response_json, noresponse=True)
self.patcher_req.stop()
request_json['sliceProfile']['resourceSharingLevel'] = "not-shared"
slice_select_opt = SliceSelectionOptimizer(self.osdf_config, self.slice_config, request_json, 'NSSI')
slice_select_opt.process_slice_selection_opt()
self.mock_rc.assert_called_with(json=error_response_json, noresponse=True)
if __name__ == "__main__":
unittest.main()
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