osm_policy_module/tests/unit/common/test_message_bus_client.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
  21 # For those usages not covered by the Apache License, Version 2.0 please
  22 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  23 ##
  24 import asyncio
  25 from unittest import TestCase, mock
  26
  27 from osm_common.msgkafka import MsgKafka
  28
  29 from osm_policy_module.common.message_bus_client import MessageBusClient
  30 from osm_policy_module.core.config import Config
  31
  32
  33 class TestMessageBusClient(TestCase):
  34
  35     def setUp(self):
  36         self.config = Config()
  37         self.config.set('message', 'driver', 'kafka')
  38         self.loop = asyncio.new_event_loop()
  39
  40     @mock.patch.object(MsgKafka, 'aioread')
  41     def test_aioread(self, aioread):
  42         async def mock_callback():
  43             pass
  44
  45         future = asyncio.Future(loop=self.loop)
  46         future.set_result('mock')
  47         aioread.return_value = future
  48         msg_bus = MessageBusClient(self.config, loop=self.loop)
  49         topic = 'test_topic'
  50         self.loop.run_until_complete(msg_bus.aioread([topic], mock_callback))
  51         aioread.assert_called_with(['test_topic'], self.loop, aiocallback=mock_callback)
  52
  53     @mock.patch.object(MsgKafka, 'aiowrite')
  54     def test_aiowrite(self, aiowrite):
  55         future = asyncio.Future(loop=self.loop)
  56         future.set_result('mock')
  57         aiowrite.return_value = future
  58         msg_bus = MessageBusClient(self.config, loop=self.loop)
  59         topic = 'test_topic'
  60         key = 'test_key'
  61         msg = {'test': 'test_msg'}
  62         self.loop.run_until_complete(msg_bus.aiowrite(topic, key, msg))
  63         aiowrite.assert_called_with(topic, key, msg, self.loop)
  64
  65     @mock.patch.object(MsgKafka, 'aioread')
  66     def test_aioread_once(self, aioread):
  67         future = asyncio.Future(loop=self.loop)
  68         future.set_result('mock')
  69         aioread.return_value = future
  70         msg_bus = MessageBusClient(self.config, loop=self.loop)
  71         topic = 'test_topic'
  72         self.loop.run_until_complete(msg_bus.aioread_once(topic))
  73         aioread.assert_called_with('test_topic', self.loop)