summaryrefslogtreecommitdiffstats
path: root/tests/mock_policy_engine.py
blob: d57d613c15335f3dfa94b5e7cbbe88adeab5e2db (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
# ============LICENSE_START=======================================================
# Copyright (c) 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.
"""mocking for the policy-engine - shared by many tests"""

import copy
import json
import re

from policyhandler.policy_consts import (POLICY_BODY, POLICY_CONFIG, POLICY_ID,
                                         POLICY_NAME, POLICY_VERSION)
from policyhandler.policy_utils import PolicyUtils

from .mock_settings import Settings


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!",
            "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, sort_keys=True),
            "matchingConditions": {
                "ONAPName": "DCAE",
                "ConfigName": "alex_config_name"
            },
            "responseAttributes": {},
            "property": None
        }


class MockPolicyEngine(object):
    """pretend this is the policy-engine"""
    scope_prefix = "test_scope_prefix.Config_"
    LOREM_IPSUM = """Lorem ipsum dolor sit amet consectetur ametist""".split()
    LONG_TEXT = "0123456789" * 100
    _policies = []

    _inited = False

    @staticmethod
    def init():
        """init static vars"""
        if MockPolicyEngine._inited:
            return
        MockPolicyEngine._inited = True

        MockPolicyEngine._policies = [
            MonkeyPolicyBody.create_policy_body(
                MockPolicyEngine.scope_prefix + policy_id, policy_index + 1)
            for policy_id in MockPolicyEngine.LOREM_IPSUM
            for policy_index in range(1 + MockPolicyEngine.LOREM_IPSUM.index(policy_id))]
        Settings.logger.info("MockPolicyEngine._policies: %s",
                             json.dumps(MockPolicyEngine._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 MockPolicyEngine._policies
                if re.match(policy_name, policy[POLICY_NAME])]

    @staticmethod
    def get_configs_all():
        """get all policies the way the policy-engine finds"""
        policies = [copy.deepcopy(policy)
                    for policy in MockPolicyEngine._policies]
        for policy in policies:
            policy["config"] = MockPolicyEngine.LONG_TEXT
        return policies

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

    @staticmethod
    def gen_policy_latest(policy_index, version_offset=0):
        """generate the policy response by policy_index = version - 1"""
        policy_id = MockPolicyEngine.get_policy_id(policy_index)
        policy = {
            POLICY_ID: policy_id,
            POLICY_BODY: MonkeyPolicyBody.create_policy_body(
                policy_id, policy_index + 1 - version_offset)
        }
        return policy_id, PolicyUtils.parse_policy_config(policy)

    @staticmethod
    def gen_all_policies_latest(version_offset=0):
        """generate all latest policies"""
        return dict(MockPolicyEngine.gen_policy_latest(policy_index, version_offset=version_offset)
                    for policy_index in range(len(MockPolicyEngine.LOREM_IPSUM)))

    @staticmethod
    def gen_policies_latest(match_to_policy_name):
        """generate all latest policies"""
        return dict((k, v)
                    for k, v in MockPolicyEngine.gen_all_policies_latest().items()
                    if re.match(match_to_policy_name, k))