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authorAlex Shatov <alexs@att.com>2019-04-01 11:32:06 -0400
committerAlex Shatov <alexs@att.com>2019-04-01 11:32:06 -0400
commit9a4d3c5b8dc9c7697275cab38ee45b014dff9e55 (patch)
treed4d55bcc8bc237ee3199d0e6a13f5e7cd95fadea /tests/main/conftest.py
parentebc1a062328e53e97e4d24ed111534cfc567a809 (diff)
5.0.0 policy-handler - new PDP API or old PDP API4.0.0-ONAPdublin
- in R4 Dublin the policy-engine introduced a totally new API - policy-handler now has a startup option to either use the new PDP API or the old PDP API that was created-updated before the end of 2018 - see README.md and README_pdp_api_v0.md for instructions on how to setup the policy-handler running either with the new PDP API or the old (pdp_api_v0) PDP API - this is a massive refactoring that changed almost all the source files, but kept the old logic when using the old (pdp_api_v0) PDP API - all the code related to PDP API version is split into two subfolders = pdp_api/ contains the new PDP API source code = pdp_api_v0/ contains the old (2018) PDP API source code = pdp_client.py imports from either pdp_api or pdp_api_v0 = the rest of the code is only affected when it needs to branch the logic - logging to policy_handler.log now shows the path of the source file to allow tracing which PDP API is actually used - when the new PDP API is used, the policy-update flow is disabled = passive mode of operation = no web-socket = no periodic catch_up = no policy-filters = reduced web-API - only a single /policy_latest endpoint is available /policies_latest returns 404 /catch_up request is accepted, but ignored - on new PDP API: http /policy_latest returns the new data from the new PDP API with the following fields added by the policy-handler to keep other policy related parts intact in R4 (see pdp_api/policy_utils.py) = "policyName" = policy_id + "." + "policyVersion" + ".xml" = "policyVersion" = str("metadata"."policy-version") = "config" - is the renamed "properties" from the new PDP API response - unit tests are split into two subfolders as well = main/ for the new PDP API testing = pdp_api_v0/ for the old (2018) PDP API - removed the following line from the license text of changed files ECOMP is a trademark and service mark of AT&T Intellectual Property. - the new PDP API is expected to be extended and redesigned in R5 El Alto - on retiring the old PDP API - the intention is to be able to remove the pdp_api_v0/ subfolder and minimal related cleanup of the code that imports that as well as the cleanup of the config.py, etc. Change-Id: Ief9a2ae4541300308caaf97377f4ed051535dbe4 Signed-off-by: Alex Shatov <alexs@att.com> Issue-ID: DCAEGEN2-1128
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+# ============LICENSE_START=======================================================
+# Copyright (c) 2019 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# 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.
+# ============LICENSE_END=========================================================
+#
+"""
+startdard pytest file that contains the shared fixtures
+https://docs.pytest.org/en/latest/fixture.html
+"""
+
+import pytest
+
+from policyhandler import pdp_client
+from policyhandler.pdp_api.pdp_consts import PDP_POLICY_ID, PDP_REQ_RESOURCE
+from policyhandler.utils import Utils
+
+from ..mock_tracker import MockHttpResponse
+from .mock_policy_engine import MockPolicyEngine
+
+_LOGGER = Utils.get_logger(__file__)
+
+@pytest.fixture(scope="session", autouse=True)
+def _auto_setup_policy_engine():
+ """initialize the mock-policy-engine per the whole test session"""
+ _LOGGER.info("create _auto_setup_policy_engine")
+ MockPolicyEngine.init()
+ yield _auto_setup_policy_engine
+ _LOGGER.info("teardown _auto_setup_policy_engine")
+
+@pytest.fixture()
+def fix_pdp_post(monkeypatch):
+ """monkeyed request /decision/v1 to PDP"""
+ def monkeyed_policy_rest_post(uri, json=None, **kwargs):
+ """monkeypatch for the POST to policy-engine"""
+ policy_ids = json.get(PDP_REQ_RESOURCE, {}).get(PDP_POLICY_ID)
+ policy_id = policy_ids and policy_ids[0]
+ res_json = MockPolicyEngine.get_policy(policy_id)
+ return MockHttpResponse("post", uri, res_json, json=json, **kwargs)
+
+ _LOGGER.info("setup fix_pdp_post")
+ pdp_client.PolicyRest._lazy_init()
+ monkeypatch.setattr('policyhandler.pdp_client.PolicyRest._requests_session.post',
+ monkeyed_policy_rest_post)
+ yield fix_pdp_post
+ _LOGGER.info("teardown fix_pdp_post")