summaryrefslogtreecommitdiffstats
path: root/tests/test_policyhandler.py
blob: bd5ca194e60f2f7ebbbb7aff6ecb26ddf7c8f751 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
# ============LICENSE_START=======================================================
# org.onap.dcae
# ================================================================================
# Copyright (c) 2017-2018 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=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.

"""test of the package for policy-handler of DCAE-Controller"""

import copy
import json
import logging
import re
import sys
import time
import uuid
from datetime import datetime

import pytest
import cherrypy
from cherrypy.test.helper import CPWebCase

from policyhandler.config import Config
from policyhandler.deploy_handler import DeployHandler
from policyhandler.discovery import DiscoveryClient
from policyhandler.onap.audit import (REQUEST_X_ECOMP_REQUESTID, Audit,
                                      AuditHttpCode)
from policyhandler.policy_consts import (ERRORED_POLICIES, ERRORED_SCOPES,
                                         LATEST_POLICIES, POLICY_BODY,
                                         POLICY_CONFIG, POLICY_ID, POLICY_NAME,
                                         POLICY_VERSION, SCOPE_PREFIXES)
from policyhandler.policy_handler import LogWriter
from policyhandler.policy_receiver import (LOADED_POLICIES, POLICY_VER,
                                           REMOVED_POLICIES, PolicyReceiver)
from policyhandler.policy_rest import PolicyRest
from policyhandler.policy_utils import PolicyUtils
from policyhandler.web_server import _PolicyWeb

POLICY_HANDLER_VERSION = "2.0.0"

class MonkeyHttpResponse(object):
    """Monkey http reposne"""
    def __init__(self, headers):
        self.headers = headers or {}

class MonkeyedResponse(object):
    """Monkey response"""
    def __init__(self, full_path, res_json, json_body=None, headers=None):
        self.full_path = full_path
        self.req_json = json_body or {}
        self.status_code = 200
        self.request = MonkeyHttpResponse(headers)
        self.res = res_json
        self.text = json.dumps(self.res)

    def json(self):
        """returns json of response"""
        return self.res

    def raise_for_status(self):
        """ignoring"""
        pass

def monkeyed_discovery(full_path):
    """monkeypatch for get from consul"""
    res_json = {}
    if full_path == DiscoveryClient.CONSUL_SERVICE_MASK.format(Config.config["deploy_handler"]):
        res_json = [{
            DiscoveryClient.SERVICE_ADDRESS: "1.1.1.1",
            DiscoveryClient.SERVICE_PORT: "123"
        }]
    elif full_path == DiscoveryClient.CONSUL_KV_MASK.format(Config.get_system_name()):
        res_json = copy.deepcopy(Settings.dicovered_config)
    return MonkeyedResponse(full_path, res_json)

@pytest.fixture()
def fix_discovery(monkeypatch):
    """monkeyed discovery request.get"""
    Settings.logger.info("setup fix_discovery")
    monkeypatch.setattr('policyhandler.discovery.requests.get', monkeyed_discovery)
    yield fix_discovery  # provide the fixture value
    Settings.logger.info("teardown fix_discovery")

class Settings(object):
    """init all locals"""
    logger = None
    RUN_TS = datetime.utcnow().isoformat()[:-3] + 'Z'
    dicovered_config = None

    @staticmethod
    def init():
        """init locals"""
        Config.load_from_file()

        with open("etc_upload/config.json", 'r') as config_json:
            Settings.dicovered_config = json.load(config_json)

        Config.load_from_file("etc_upload/config.json")

        Settings.logger = logging.getLogger("policy_handler.unit_test")
        sys.stdout = LogWriter(Settings.logger.info)
        sys.stderr = LogWriter(Settings.logger.error)

        print "print ========== run_policy_handler =========="
        Settings.logger.info("========== run_policy_handler ==========")
        Audit.init(Config.get_system_name(), POLICY_HANDLER_VERSION, Config.LOGGER_CONFIG_FILE_PATH)

        Settings.logger.info("starting policy_handler with config:")
        Settings.logger.info(Audit.log_json_dumps(Config.config))

Settings.init()

class MonkeyPolicyBody(object):
    """policy body that policy-engine returns"""
    @staticmethod
    def create_policy_body(policy_id, policy_version=1):
        """returns a fake policy-body"""
        prev_ver = str(policy_version - 1)
        this_ver = str(policy_version)
        config = {
            "policy_updated_from_ver": prev_ver,
            "policy_updated_to_ver": this_ver,
            "policy_hello": "world!",
            "policy_updated_ts": Settings.RUN_TS,
            "updated_policy_id": policy_id
        }
        return {
            "policyConfigMessage": "Config Retrieved! ",
            "policyConfigStatus": "CONFIG_RETRIEVED",
            "type": "JSON",
            POLICY_NAME: "{0}.{1}.xml".format(policy_id, this_ver),
            POLICY_VERSION: this_ver,
            POLICY_CONFIG: json.dumps(config),
            "matchingConditions": {
                "ONAPName": "DCAE",
                "ConfigName": "alex_config_name"
            },
            "responseAttributes": {},
            "property": None
        }

    @staticmethod
    def is_the_same_dict(policy_body_1, policy_body_2):
        """check whether both policy_body objects are the same"""
        if not isinstance(policy_body_1, dict) or not isinstance(policy_body_2, dict):
            return False
        for key in policy_body_1.keys():
            if key not in policy_body_2:
                return False

            val_1 = policy_body_1[key]
            val_2 = policy_body_2[key]
            if isinstance(val_1, list) and isinstance(val_2, list):
                if sorted(val_1) != sorted(val_2):
                    return False
                continue

            if isinstance(val_1, dict) \
            and not MonkeyPolicyBody.is_the_same_dict(val_1, val_2):
                return False
            if (val_1 is None and val_2 is not None) \
            or (val_1 is not None and val_2 is None) \
            or (val_1 != val_2):
                return False
        return True

class MonkeyPolicyEngine(object):
    """pretend this is the policy-engine"""
    _scope_prefix = Config.config["scope_prefixes"][0]
    LOREM_IPSUM = """Lorem ipsum dolor sit amet consectetur ametist""".split()
    _policies = []

    @staticmethod
    def init():
        """init static vars"""
        MonkeyPolicyEngine._policies = [
            MonkeyPolicyBody.create_policy_body(
                MonkeyPolicyEngine._scope_prefix + policy_id, policy_index + 1)
            for policy_id in MonkeyPolicyEngine.LOREM_IPSUM
            for policy_index in range(1 + MonkeyPolicyEngine.LOREM_IPSUM.index(policy_id))]
        Settings.logger.info("MonkeyPolicyEngine._policies: %s",
                             json.dumps(MonkeyPolicyEngine._policies))

    @staticmethod
    def get_config(policy_name):
        """find policy the way the policy-engine finds"""
        if not policy_name:
            return []
        return [copy.deepcopy(policy)
                for policy in MonkeyPolicyEngine._policies
                if re.match(policy_name, policy[POLICY_NAME])]

    @staticmethod
    def get_policy_id(policy_index):
        """get the policy_id by index"""
        return MonkeyPolicyEngine._scope_prefix \
             + MonkeyPolicyEngine.LOREM_IPSUM[policy_index % len(MonkeyPolicyEngine.LOREM_IPSUM)]

    @staticmethod
    def gen_policy_latest(policy_index):
        """generate the policy response by policy_index = version - 1"""
        policy_id = MonkeyPolicyEngine.get_policy_id(policy_index)
        expected_policy = {
            POLICY_ID : policy_id,
            POLICY_BODY : MonkeyPolicyBody.create_policy_body(policy_id, policy_index + 1)
        }
        return policy_id, PolicyUtils.parse_policy_config(expected_policy)

    @staticmethod
    def gen_all_policies_latest():
        """generate all latest policies"""
        return {
            LATEST_POLICIES: dict(MonkeyPolicyEngine.gen_policy_latest(policy_index)
                                  for policy_index in range(len(MonkeyPolicyEngine.LOREM_IPSUM))),
            ERRORED_SCOPES: ["DCAE.Config_*"],
            SCOPE_PREFIXES: ["DCAE.Config_*"],
            ERRORED_POLICIES: {}
        }

    @staticmethod
    def gen_policies_latest(match_to_policy_name):
        """generate all latest policies"""
        return {
            LATEST_POLICIES:
                dict((k, v)
                     for k, v in MonkeyPolicyEngine.gen_all_policies_latest()
                     [LATEST_POLICIES].iteritems()
                     if re.match(match_to_policy_name, k)),
            ERRORED_SCOPES: [],
            ERRORED_POLICIES: {}
        }


MonkeyPolicyEngine.init()

def monkeyed_policy_rest_post(full_path, json=None, headers=None):
    """monkeypatch for the POST to policy-engine"""
    res_json = MonkeyPolicyEngine.get_config(json.get(POLICY_NAME))
    return MonkeyedResponse(full_path, res_json, json, headers)

@pytest.fixture()
def fix_pdp_post(monkeypatch):
    """monkeyed request /getConfig to PDP"""
    Settings.logger.info("setup fix_pdp_post")
    PolicyRest._lazy_init()
    monkeypatch.setattr('policyhandler.policy_rest.PolicyRest._requests_session.post',
                        monkeyed_policy_rest_post)
    yield fix_pdp_post  # provide the fixture value
    Settings.logger.info("teardown fix_pdp_post")

def monkeyed_deploy_handler(full_path, json=None, headers=None):
    """monkeypatch for deploy_handler"""
    return MonkeyedResponse(full_path, {}, json, headers)

@pytest.fixture()
def fix_deploy_handler(monkeypatch, fix_discovery):
    """monkeyed discovery request.get"""
    Settings.logger.info("setup fix_deploy_handler")
    DeployHandler._lazy_init()
    monkeypatch.setattr('policyhandler.deploy_handler.DeployHandler._requests_session.post',
                        monkeyed_deploy_handler)
    yield fix_deploy_handler  # provide the fixture value
    Settings.logger.info("teardown fix_deploy_handler")

def monkeyed_cherrypy_engine_exit():
    """monkeypatch for deploy_handler"""
    Settings.logger.info("monkeyed_cherrypy_engine_exit()")

@pytest.fixture()
def fix_cherrypy_engine_exit(monkeypatch):
    """monkeyed cherrypy.engine.exit()"""
    Settings.logger.info("setup fix_cherrypy_engine_exit")
    monkeypatch.setattr('policyhandler.web_server.cherrypy.engine.exit',
                        monkeyed_cherrypy_engine_exit)
    yield fix_cherrypy_engine_exit  # provide the fixture value
    Settings.logger.info("teardown fix_cherrypy_engine_exit")

class MonkeyedWebSocket(object):
    """Monkey websocket"""
    on_message = None

    @staticmethod
    def send_notification(updated_indexes):
        """fake notification through the web-socket"""
        if not MonkeyedWebSocket.on_message:
            return
        message = {
            LOADED_POLICIES : [
                {POLICY_NAME: "{0}.{1}.xml".format(
                    MonkeyPolicyEngine.get_policy_id(policy_index), policy_index + 1),
                 POLICY_VER: str(policy_index + 1)}
                for policy_index in updated_indexes or []
            ],
            REMOVED_POLICIES : []
        }
        message = json.dumps(message)
        Settings.logger.info("send_notification: %s", message)
        MonkeyedWebSocket.on_message(None, message)

    @staticmethod
    def enableTrace(yes_no):
        """ignore"""
        pass

    class MonkeyedSocket(object):
        """Monkey websocket"""
        def __init__(self):
            self.connected = True

    class WebSocketApp(object):
        """Monkeyed WebSocketApp"""
        def __init__(self, web_socket_url, on_message=None, on_close=None, on_error=None):
            self.web_socket_url = web_socket_url
            self.on_message = MonkeyedWebSocket.on_message = on_message
            self.on_close = on_close
            self.on_error = on_error
            self.sock = MonkeyedWebSocket.MonkeyedSocket()
            Settings.logger.info("MonkeyedWebSocket for: %s", self.web_socket_url)

        def run_forever(self):
            """forever in the loop"""
            while self.sock.connected:
                Settings.logger.info("MonkeyedWebSocket sleep...")
                time.sleep(5)
            Settings.logger.info("MonkeyedWebSocket exit")

        def close(self):
            """close socket"""
            self.sock.connected = False

@pytest.fixture()
def fix_policy_receiver_websocket(monkeypatch):
    """monkeyed websocket for policy_receiver"""
    Settings.logger.info("setup fix_policy_receiver_websocket")
    monkeypatch.setattr('policyhandler.policy_receiver.websocket', MonkeyedWebSocket)
    yield fix_policy_receiver_websocket  # provide the fixture value
    Settings.logger.info("teardown fix_policy_receiver_websocket")

def test_get_policy_latest(fix_pdp_post):
    """test /policy_latest/<policy-id>"""
    policy_id, expected_policy = MonkeyPolicyEngine.gen_policy_latest(3)

    audit = Audit(req_message="get /policy_latest/{0}".format(policy_id or ""))
    policy_latest = PolicyRest.get_latest_policy((audit, policy_id, None, None)) or {}
    audit.audit_done(result=json.dumps(policy_latest))

    Settings.logger.info("expected_policy: %s", json.dumps(expected_policy))
    Settings.logger.info("policy_latest: %s", json.dumps(policy_latest))
    assert MonkeyPolicyBody.is_the_same_dict(policy_latest, expected_policy)
    assert MonkeyPolicyBody.is_the_same_dict(expected_policy, policy_latest)

def test_healthcheck():
    """test /healthcheck"""
    audit = Audit(req_message="get /healthcheck")
    audit.metrics_start("test /healthcheck")
    time.sleep(0.1)

    audit.metrics("test /healthcheck")
    health = Audit.health() or {}
    audit.audit_done(result=json.dumps(health))

    Settings.logger.info("healthcheck: %s", json.dumps(health))
    assert bool(health)

def test_healthcheck_with_error():
    """test /healthcheck"""
    audit = Audit(req_message="get /healthcheck")
    audit.metrics_start("test /healthcheck")
    time.sleep(0.2)
    audit.error("error from test_healthcheck_with_error")
    audit.fatal("fatal from test_healthcheck_with_error")
    audit.debug("debug from test_healthcheck_with_error")
    audit.warn("debug from test_healthcheck_with_error")
    audit.info_requested("debug from test_healthcheck_with_error")
    if audit.is_success():
        audit.set_http_status_code(AuditHttpCode.DATA_NOT_FOUND_ERROR.value)
    audit.set_http_status_code(AuditHttpCode.SERVER_INTERNAL_ERROR.value)
    audit.metrics("test /healthcheck")

    health = Audit.health() or {}
    audit.audit_done(result=json.dumps(health))

    Settings.logger.info("healthcheck: %s", json.dumps(health))
    assert bool(health)

@pytest.mark.usefixtures("fix_pdp_post")
class WebServerTest(CPWebCase):
    """testing the web-server - runs tests in alphabetical order of method names"""
    def setup_server():
        """setup the web-server"""
        cherrypy.tree.mount(_PolicyWeb(), '/')

    setup_server = staticmethod(setup_server)

    def test_web_healthcheck(self):
        """test /healthcheck"""
        result = self.getPage("/healthcheck")
        Settings.logger.info("healthcheck result: %s", result)
        Settings.logger.info("got healthcheck: %s", self.body)
        self.assertStatus('200 OK')

    def test_web_policy_latest(self):
        """test /policy_latest/<policy-id>"""
        policy_id, expected_policy = MonkeyPolicyEngine.gen_policy_latest(3)

        self.getPage("/policy_latest/{0}".format(policy_id or ""))
        self.assertStatus('200 OK')

        policy_latest = json.loads(self.body)

        Settings.logger.info("policy_latest: %s", self.body)
        Settings.logger.info("expected_policy: %s", json.dumps(expected_policy))
        assert MonkeyPolicyBody.is_the_same_dict(policy_latest, expected_policy)
        assert MonkeyPolicyBody.is_the_same_dict(expected_policy, policy_latest)

    def test_web_all_policies_latest(self):
        """test GET /policies_latest"""
        expected_policies = MonkeyPolicyEngine.gen_all_policies_latest()
        expected_policies = expected_policies[LATEST_POLICIES]

        result = self.getPage("/policies_latest")
        Settings.logger.info("result: %s", result)
        Settings.logger.info("body: %s", self.body)
        self.assertStatus('200 OK')

        policies_latest = json.loads(self.body)
        self.assertIn(LATEST_POLICIES, policies_latest)
        policies_latest = policies_latest[LATEST_POLICIES]

        Settings.logger.info("policies_latest: %s", json.dumps(policies_latest))
        Settings.logger.info("expected_policies: %s", json.dumps(expected_policies))
        assert MonkeyPolicyBody.is_the_same_dict(policies_latest, expected_policies)
        assert MonkeyPolicyBody.is_the_same_dict(expected_policies, policies_latest)

    def test_web_policies_latest(self):
        """test POST /policies_latest with policyName"""
        match_to_policy_name = Config.config["scope_prefixes"][0] + "amet.*"
        expected_policies = MonkeyPolicyEngine.gen_policies_latest(match_to_policy_name)
        expected_policies = expected_policies[LATEST_POLICIES]

        body = json.dumps({POLICY_NAME: match_to_policy_name})
        result = self.getPage("/policies_latest", method='POST',
                              body=body,
                              headers=[
                                  (REQUEST_X_ECOMP_REQUESTID, str(uuid.uuid4())),
                                  ("Content-Type", "application/json"),
                                  ('Content-Length', str(len(body)))
                              ])
        Settings.logger.info("result: %s", result)
        Settings.logger.info("body: %s", self.body)
        self.assertStatus('200 OK')

        policies_latest = json.loads(self.body)[LATEST_POLICIES]

        Settings.logger.info("policies_latest: %s", json.dumps(policies_latest))
        Settings.logger.info("expected_policies: %s", json.dumps(expected_policies))
        assert MonkeyPolicyBody.is_the_same_dict(policies_latest, expected_policies)
        assert MonkeyPolicyBody.is_the_same_dict(expected_policies, policies_latest)

    @pytest.mark.usefixtures(
        "fix_deploy_handler",
        "fix_policy_receiver_websocket",
        "fix_cherrypy_engine_exit")
    def test_zzz_run_policy_handler(self):
        """test run policy handler"""
        Settings.logger.info("start policy handler")
        audit = Audit(req_message="start policy handler")
        PolicyReceiver.run(audit)

        Settings.logger.info("sleep before send_notification...")
        time.sleep(2)

        MonkeyedWebSocket.send_notification([1, 3, 5])
        Settings.logger.info("sleep after send_notification...")
        time.sleep(3)

        Settings.logger.info("sleep before shutdown...")
        time.sleep(1)
        result = self.getPage("/shutdown")
        Settings.logger.info("shutdown result: %s", result)
        self.assertStatus('200 OK')
        Settings.logger.info("got shutdown: %s", self.body)
        time.sleep(1)

    # @pytest.mark.usefixtures("fix_deploy_handler", "fix_policy_receiver_websocket")
    # def test_zzz_web_catch_up(self):
    #     """test /catch_up"""
        # Settings.logger.info("start policy handler")
    #     audit = Audit(req_message="start policy handler")
    #     PolicyReceiver.run(audit)
    #     time.sleep(5)
    #     result = self.getPage("/catch_up")
    #     Settings.logger.info("catch_up result: %s", result)
    #     self.assertStatus('200 OK')
    #     Settings.logger.info("got catch_up: %s", self.body)