176 lines
6.8 KiB
Python
176 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2010-2011 OpenStack Foundation
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# Copyright (c) 2017 Intel Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Sender tests."""
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import mock
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import requests
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import unittest
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from collectd_openstack.common import sender as common_sender
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from collectd_openstack.common.settings import Config
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class TestSender(unittest.TestCase):
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"""Test the Sender class."""
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def setUp(self):
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super(TestSender, self).setUp()
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self._config = Config._decorated()
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self.sender = common_sender.Sender(self._config)
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self.sender._url_base = \
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"http://my-gnocchi-endpoint/v1/action"
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@mock.patch('time.sleep')
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@mock.patch.object(common_sender.Sender, '_create_request_url')
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@mock.patch.object(common_sender, 'LOGGER')
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@mock.patch.object(common_sender.Sender, '_perform_request')
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def test_send_readtimeout_error(self, sender_perf_req,
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logger, sender_create_request_url,
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time_sleep):
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"""Tests the behaviour of send when a timeout error occurs.
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Set-up: There is a ReadTimeout side effect from _perform_request
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Test: Call send
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Expected behaviour: Send will be called a second time.
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"""
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response_created = requests.Response()
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response_created.status_code = 201
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self.sender._auth_token = "my-auth-token"
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sender_perf_req.side_effect = [requests.exceptions.ReadTimeout,
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response_created]
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self.sender.send(metername="my-metername",
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payload="my-payload",
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retry=1
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)
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logger.debug.assert_called_with("ReadTimeout Error.. trying again...")
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@mock.patch('time.sleep')
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@mock.patch.object(common_sender.Sender, '_create_request_url')
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@mock.patch.object(common_sender, 'LOGGER')
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@mock.patch.object(common_sender.Sender, '_perform_request')
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def test_send_readtimeout_error_retry_0(self, sender_perf_req, logger,
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sender_create_request_url,
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time_sleep):
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"""Tests that ReadTimeout error is raised when retry=0.
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Set-up: There is a ReadTimeout side effect from _perform_request.
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Test: Call send(.... retry=0)
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Expected behaviour:
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* ReadTimeout is raised from send()
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* there are no re-send attempts (perform_request is only called once)
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"""
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self.sender._auth_token = "my-auth-token"
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sender_perf_req.side_effect = requests.exceptions.ReadTimeout
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with self.assertRaises(requests.exceptions.ReadTimeout):
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self.sender.send(metername="my-metername",
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payload="my-payload",
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retry=0
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)
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logger.debug.assert_not_called()
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sender_perf_req.called_once()
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logger.error.assert_called_with("Too many timeouts trying to send\n",
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mock.ANY)
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@mock.patch('time.sleep')
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@mock.patch.object(common_sender.Sender, '_create_request_url')
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@mock.patch.object(common_sender, 'LOGGER')
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@mock.patch.object(common_sender.Sender, '_perform_request')
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def test_send_timeout_recurrent(self, sender_perf_req, logger,
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sender_create_request_url,
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time_sleep):
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"""Test that resending is attempted when there's a ReadTimout error.
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Set-up:
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Test: Call send() with retry=<some_number>
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Expected behaviour:
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* TimeoutError will be re-raised after attempting multiple times
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"""
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self.sender._auth_token = "my-auth-token"
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sender_perf_req.side_effect = requests.exceptions.ReadTimeout
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with self.assertRaises(requests.exceptions.ReadTimeout):
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self.sender.send(metername="my-metername",
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payload="my-payload",
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retry=5
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)
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logger.debug.assert_called_with("ReadTimeout Error.. trying again...")
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sender_perf_req.assert_called()
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time_sleep.assert_has_calls([mock.call(1)] * 5)
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@mock.patch.object(requests, 'post')
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@mock.patch.object(requests, 'get')
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def test_perform_request_req_type_get(self, get, post):
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"""Test the behaviour when performing a get request
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Set-up: None
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Test: call _perform_request with req_type="get"
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Expected behaviour:
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* requests.get is called with appropriate params
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* requests.post is not called
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"""
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self.sender._perform_request("my-url", "some payload",
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"some headers", req_type="get")
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post.assert_not_called()
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get.assert_called_with("my-url", params="some payload",
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headers=mock.ANY, timeout=mock.ANY)
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@mock.patch.object(requests, 'post')
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@mock.patch.object(requests, 'put')
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def test_perform_request_req_type_put(self, put, post):
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"""Test the behaviour when performing a post request
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Set-up: None
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Test: call _perform_request with req_type="put"
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Expected behaviour:
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* requests.put is called
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* requests.post is not called (i.e. no fall back to default)
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"""
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self.sender._perform_request("my-url", "some payload",
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"some headers", req_type="put")
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post.assert_not_called()
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put.assert_called_with("my-url", data="some payload",
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headers=mock.ANY, timeout=mock.ANY)
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@mock.patch.object(requests, 'post')
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@mock.patch.object(requests, 'get')
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def test_perform_request_req_type_post(self, get, post):
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"""Test the behaviour when performing a post request
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Set-up: None
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Test: call _perform_request with no req_type
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Expected behaviour:
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* requests.get is not called
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* requests.post is called with appropriate params
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"""
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self.sender._perform_request("my-url", "some payload",
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"some headers")
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get.assert_not_called()
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post.assert_called_with("my-url", data="some payload",
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headers=mock.ANY, timeout=mock.ANY)
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