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 os
  24 import unittest
  25 from unittest import mock
  26
  27 from osm_mon.collector.collector import Collector
  28 from osm_mon.collector.collectors.openstack import OpenstackCollector
  29 from osm_mon.core.database import DatabaseManager, db
  30
  31
  32 class CollectorTest(unittest.TestCase):
  33     def setUp(self):
  34         super().setUp()
  35         os.environ["DATABASE"] = "sqlite:///:memory:"
  36         db_manager = DatabaseManager()
  37         db_manager.create_tables()
  38
  39     def tearDown(self):
  40         super().tearDown()
  41         db.close()
  42
  43     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  44     @mock.patch.object(Collector, "_init_backends", mock.Mock())
  45     @mock.patch.object(OpenstackCollector, "__init__", lambda *args, **kwargs: None)
  46     @mock.patch.object(OpenstackCollector, "collect")
  47     @mock.patch.object(DatabaseManager, "get_vim_type")
  48     def test_init_vim_collector_and_collect_openstack(self, _get_vim_type, collect):
  49         _get_vim_type.return_value = 'openstack'
  50         collector = Collector()
  51         collector._collect_vim_metrics({}, 'test_vim_account_id')
  52         collect.assert_called_once_with({})
  53
  54     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  55     @mock.patch.object(Collector, "_init_backends", mock.Mock())
  56     @mock.patch.object(OpenstackCollector, "collect")
  57     @mock.patch.object(DatabaseManager, "get_vim_type")
  58     def test_init_vim_collector_and_collect_unknown(self, _get_vim_type, openstack_collect):
  59         _get_vim_type.return_value = 'unknown'
  60         collector = Collector()
  61         collector._collect_vim_metrics({}, 'test_vim_account_id')
  62         openstack_collect.assert_not_called()
  63
  64     @mock.patch("osm_mon.collector.collector.CommonDbClient", mock.Mock())
  65     @mock.patch("osm_mon.collector.collector.VCACollector", autospec=True)
  66     def test_collect_vca_metrics(self, vca_collector):
  67         collector = Collector()
  68         collector._collect_vca_metrics({})
  69         vca_collector.assert_called_once_with()
  70         vca_collector.return_value.collect.assert_called_once_with({})