osm_mon/tests/collector/test_collector.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 Whitestack, LLC
   4 # *************************************************************
   5
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  22 ##
  23 import unittest
  24 from unittest import mock
  25
  26 from peewee import SqliteDatabase
  27
  28 from osm_mon.collector.collector import Collector
  29 from osm_mon.collector.collectors.openstack import OpenstackCollector
  30 from osm_mon.core import database
  31 from osm_mon.core.database import DatabaseManager, VimCredentials, Alarm
  32
  33 test_db = SqliteDatabase(':memory:')
  34
  35 MODELS = [VimCredentials, Alarm]
  36
  37
  38 class CollectorTest(unittest.TestCase):
  39     def setUp(self):
  40         super().setUp()
  41         database.db = test_db
  42         test_db.bind(MODELS)
  43         test_db.connect()
  44         test_db.drop_tables(MODELS)
  45         test_db.create_tables(MODELS)
  46
  47     def tearDown(self):
  48         super().tearDown()
  49         test_db.close()
  50
  51     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  52     @mock.patch.object(OpenstackCollector, "__init__", lambda *args, **kwargs: None)
  53     @mock.patch.object(OpenstackCollector, "collect")
  54     @mock.patch.object(DatabaseManager, "get_vim_type")
  55     def test_init_vim_collector_and_collect_openstack(self, _get_vim_type, collect):
  56         _get_vim_type.return_value = 'openstack'
  57         collector = Collector()
  58         collector._collect_vim_metrics({}, 'test_vim_account_id')
  59         collect.assert_called_once_with({})
  60
  61     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  62     @mock.patch.object(OpenstackCollector, "collect")
  63     @mock.patch.object(DatabaseManager, "get_vim_type")
  64     def test_init_vim_collector_and_collect_unknown(self, _get_vim_type, openstack_collect):
  65         _get_vim_type.return_value = 'unknown'
  66         collector = Collector()
  67         collector._collect_vim_metrics({}, 'test_vim_account_id')
  68         openstack_collect.assert_not_called()
  69
  70     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  71     @mock.patch("osm_mon.collector.collector.VCACollector", autospec=True)
  72     def test_collect_vca_metrics(self, vca_collector):
  73         collector = Collector()
  74         collector._collect_vca_metrics({})
  75         vca_collector.assert_called_once_with()
  76         vca_collector.return_value.collect.assert_called_once_with({})