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     def setUp(self):
  35         self.config = Config()
  36         self.config.set("message", "driver", "kafka")
  37         self.loop = asyncio.new_event_loop()
  38
  39     @mock.patch.object(MsgKafka, "aioread")
  40     def test_aioread(self, aioread):
  41         async def mock_callback():
  42             pass
  43
  44         future = asyncio.Future(loop=self.loop)
  45         future.set_result("mock")
  46         aioread.return_value = future
  47         msg_bus = MessageBusClient(self.config, loop=self.loop)
  48         topic = "test_topic"
  49         self.loop.run_until_complete(msg_bus.aioread([topic], mock_callback))
  50         aioread.assert_called_with(["test_topic"], self.loop, aiocallback=mock_callback)
  51
  52     @mock.patch.object(MsgKafka, "aiowrite")
  53     def test_aiowrite(self, aiowrite):
  54         future = asyncio.Future(loop=self.loop)
  55         future.set_result("mock")
  56         aiowrite.return_value = future
  57         msg_bus = MessageBusClient(self.config, loop=self.loop)
  58         topic = "test_topic"
  59         key = "test_key"
  60         msg = {"test": "test_msg"}
  61         self.loop.run_until_complete(msg_bus.aiowrite(topic, key, msg))
  62         aiowrite.assert_called_with(topic, key, msg, self.loop)
  63
  64     @mock.patch.object(MsgKafka, "aioread")
  65     def test_aioread_once(self, aioread):
  66         future = asyncio.Future(loop=self.loop)
  67         future.set_result("mock")
  68         aioread.return_value = future
  69         msg_bus = MessageBusClient(self.config, loop=self.loop)
  70         topic = "test_topic"
  71         self.loop.run_until_complete(msg_bus.aioread_once(topic))
  72         aioread.assert_called_with("test_topic", self.loop)