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# ============LICENSE_START=======================================================
# Copyright (c) 2018-2020 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=========================================================
#
"""record all the messages going outside policy-handler during testing"""
import copy
import json
from policyhandler.config import Config
from policyhandler.onap.audit import (REQUEST_X_ECOMP_REQUESTID,
REQUEST_X_ONAP_REQUESTID)
from policyhandler.utils import Utils
REQUEST = "request"
STATUS_CODE = "status_code"
RESPONSE = "res"
PEP_INSTANCE = "ONAPInstance"
_LOGGER = Utils.get_logger(__file__)
class _MockHttpRequestInResponse(object):
"""Mock http request in reponse object"""
def __init__(self, method, uri, **kwargs):
self.method = method
self.uri = uri
self.params = copy.deepcopy(kwargs.get("params"))
self.req_json = copy.deepcopy(kwargs.get("json"))
self.headers = copy.deepcopy(kwargs.get("headers"))
def to_json(self):
"""create json of the request"""
return {
"method": self.method,
"uri": self.uri,
"params": self.params,
"json": self.req_json,
"headers": self.headers
}
class MockHttpResponse(object):
"""Mock http response based on request"""
def __init__(self, method, uri, res_json=None, **kwargs):
"""create response based on request"""
self.request = _MockHttpRequestInResponse(method, uri, **kwargs)
self.headers = {}
self.status_code, self.res = Tracker.get_response(self.request.to_json())
if self.status_code is None and res_json:
self.status_code = kwargs.get(STATUS_CODE, 200)
if res_json:
self.res = copy.deepcopy(res_json)
if self.status_code is None:
self.status_code = 500
self.text = json.dumps(self.res)
_LOGGER.info("MockHttpResponse: %s", self)
def json(self):
"""returns json of response"""
return self.res
def raise_for_status(self):
"""ignoring"""
pass
def to_json(self):
"""create json of the message"""
return {
REQUEST: self.request.to_json(),
STATUS_CODE: self.status_code,
RESPONSE: self.res
}
def __str__(self):
"""stringify for logging"""
return json.dumps(self.to_json(), sort_keys=True)
class Tracker(object):
"""record all the messages going outside policy-handler during testing"""
test_name = None
test_names = []
requests = []
expected = []
validated_tests = {}
valid_tests = {}
main_history = {}
pdp_api_v0_history = {}
@staticmethod
def _init():
"""load expected data from json files"""
try:
with open("tests/main/expectations.json", 'r') as expectations:
Tracker.main_history = json.load(expectations)
except Exception:
Tracker.main_history = {}
try:
with open("tests/pdp_api_v0/expectations.json", 'r') as expectations:
Tracker.pdp_api_v0_history = json.load(expectations)
except Exception:
Tracker.pdp_api_v0_history = {}
@staticmethod
def reset(test_name=None):
"""remove all the messages from history"""
if not Tracker.test_names:
Tracker._init()
Tracker.test_name = test_name
Tracker.requests.clear()
Tracker.test_names.append(test_name)
if Config.is_pdp_api_default():
Tracker.expected = Tracker.main_history.get(Tracker.test_name, [])
else:
Tracker.expected = Tracker.pdp_api_v0_history.get(Tracker.test_name, [])
@staticmethod
def get_response(request):
"""
track the request to the history of requests
and return the response with the status_code from the expected history queue
"""
request_idx = len(Tracker.requests)
request = copy.deepcopy(request)
Tracker.requests.append(request)
if request_idx < len(Tracker.expected):
expected = Tracker.expected[request_idx] or {}
masked_request = Tracker._hide_volatiles(copy.deepcopy(request))
expected_request = Tracker._hide_volatiles(copy.deepcopy(expected.get(REQUEST)))
if Utils.are_the_same(masked_request, expected_request):
_LOGGER.info("as expected[%s]: %s", request_idx,
json.dumps(expected, sort_keys=True))
return expected.get(STATUS_CODE), expected.get(RESPONSE)
unexpected_request = {"unit-test-tracker": {
"request_idx": request_idx,
"received_request": copy.deepcopy(request),
"expected": copy.deepcopy(expected.get(REQUEST))
}}
_LOGGER.error("unexpected_request[%s]: %s", request_idx,
json.dumps(unexpected_request, sort_keys=True))
return None, unexpected_request
unexpected_request = {"unit-test-tracker":{
"request_idx": request_idx, "out-of-range": len(Tracker.expected),
"received_request": copy.deepcopy(request)
}}
_LOGGER.error("unexpected_request[%s]: %s", request_idx,
json.dumps(unexpected_request, sort_keys=True))
return None, unexpected_request
@staticmethod
def to_string():
"""stringify message history for logging"""
return json.dumps(Tracker.requests, sort_keys=True)
@staticmethod
def get_status(test_name=None):
"""get the status of validation"""
if Tracker.valid_tests.get(test_name):
return "success"
if Tracker.validated_tests.get(test_name):
return "failed"
if test_name in Tracker.test_names:
return "covered"
return "unknown"
@staticmethod
def log_all_tests():
"""log the covered and not covered test names"""
_LOGGER.info("-"*75)
_LOGGER.info("tracked test_names[%s]", len(Tracker.test_names))
for idx, test_name in enumerate(Tracker.test_names):
_LOGGER.info("%s[%s]: %s", Tracker.get_status(test_name), (idx + 1), test_name)
_LOGGER.info("not tracked test_names listed in main.expectations")
for test_name in Tracker.main_history:
if test_name not in Tracker.test_names:
_LOGGER.info("untracked: %s", test_name)
_LOGGER.info("not tracked test_names listed in pdp_api_v0.expectations")
for test_name in Tracker.pdp_api_v0_history:
if test_name not in Tracker.test_names:
_LOGGER.info("untracked: %s", test_name)
@staticmethod
def _hide_volatiles(obj):
"""hides the volatile field values"""
if not isinstance(obj, dict):
return obj
for key, value in obj.items():
if key in [REQUEST_X_ONAP_REQUESTID, REQUEST_X_ECOMP_REQUESTID, RESPONSE, PEP_INSTANCE]:
obj[key] = "*"
elif isinstance(value, dict):
obj[key] = Tracker._hide_volatiles(value)
return obj
@staticmethod
def validate():
"""validate that the message history is as expected"""
_LOGGER.info("Tracker.validate(%s)", Tracker.test_name)
Tracker.validated_tests[Tracker.test_name] = True
requests = [Tracker._hide_volatiles(copy.deepcopy(request))
for request in Tracker.requests]
expected_reqs = [Tracker._hide_volatiles(copy.deepcopy(expected.get(REQUEST)))
for expected in Tracker.expected]
_LOGGER.info("requests: %s", json.dumps(requests, sort_keys=True))
_LOGGER.info("expected: %s", json.dumps(expected_reqs, sort_keys=True))
assert Utils.are_the_same(requests, expected_reqs)
_LOGGER.info("history valid for Tracker.validate(%s)", Tracker.test_name)
Tracker.valid_tests[Tracker.test_name] = True