0dbf9a64b7
This introduces a new cloudkitty.utils module. Work items: * cloudkitty/utils.py has been moved to cloudkitty/utils/__init__.py . The import path does not change. * cloudkitty.json_utils has been moved to cloudkitty.utils.json * cloudkitty.validation_utils has been moved to cloudkitty.utils.validation * cloudkitty.tzutils has been moved to cloudkitty.utils.tz * Unit test layout has been adapted to the new utils layout Story: 2006941 Task: 37614 Change-Id: I2ba1577eb64e27c1e837ba9e20dec532b46fca8a
156 lines
5.3 KiB
Python
156 lines
5.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 Objectif Libre
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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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#
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import mock
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from cloudkitty.collector import prometheus
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from cloudkitty import tests
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from cloudkitty.tests import samples
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from cloudkitty.utils import json
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class PrometheusClientTest(tests.TestCase):
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class FakeResponse(object):
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"""Mimics an HTTP ``requests`` response"""
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def __init__(self, url, text, status_code):
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self.url = url
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self.text = text
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self.status_code = status_code
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def json(self):
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return json.loads(self.text)
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@staticmethod
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def _mock_requests_get(text):
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"""Factory to build FakeResponse with desired response body text"""
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return lambda *args, **kwargs: PrometheusClientTest.FakeResponse(
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args[0], text, 200,
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)
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def setUp(self):
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super(PrometheusClientTest, self).setUp()
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self.client = prometheus.PrometheusClient(
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'http://localhost:9090/api/v1',
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)
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def test_get_with_no_options(self):
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with mock.patch('requests.get') as mock_get:
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self.client._get(
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'query_range',
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params={
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'query': 'max(http_requests_total) by (project_id)',
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'start': samples.FIRST_PERIOD_BEGIN,
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'end': samples.FIRST_PERIOD_END,
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'step': 10,
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},
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)
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mock_get.assert_called_once_with(
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'http://localhost:9090/api/v1/query_range',
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params={
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'query': 'max(http_requests_total) by (project_id)',
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'start': samples.FIRST_PERIOD_BEGIN,
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'end': samples.FIRST_PERIOD_END,
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'step': 10,
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},
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auth=None,
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verify=True,
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)
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def test_get_with_options(self):
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client = prometheus.PrometheusClient(
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'http://localhost:9090/api/v1',
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auth=('foo', 'bar'),
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verify='/some/random/path',
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)
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with mock.patch('requests.get') as mock_get:
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client._get(
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'query_range',
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params={
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'query': 'max(http_requests_total) by (project_id)',
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'start': samples.FIRST_PERIOD_BEGIN,
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'end': samples.FIRST_PERIOD_END,
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'step': 10,
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},
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)
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mock_get.assert_called_once_with(
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'http://localhost:9090/api/v1/query_range',
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params={
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'query': 'max(http_requests_total) by (project_id)',
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'start': samples.FIRST_PERIOD_BEGIN,
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'end': samples.FIRST_PERIOD_END,
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'step': 10,
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},
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auth=('foo', 'bar'),
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verify='/some/random/path',
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)
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def test_get_instant(self):
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mock_get = mock.patch(
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'requests.get',
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side_effect=self._mock_requests_get('{"foo": "bar"}'),
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)
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with mock_get:
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res = self.client.get_instant(
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'max(http_requests_total) by (project_id)',
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)
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self.assertEqual(res, {'foo': 'bar'})
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def test_get_range(self):
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mock_get = mock.patch(
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'requests.get',
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side_effect=self._mock_requests_get('{"foo": "bar"}'),
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)
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with mock_get:
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res = self.client.get_range(
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'max(http_requests_total) by (project_id)',
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samples.FIRST_PERIOD_BEGIN,
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samples.FIRST_PERIOD_END,
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10,
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)
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self.assertEqual(res, {'foo': 'bar'})
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def test_get_instant_raises_error_on_bad_json(self):
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# Simulating malformed JSON response from HTTP+PromQL instant request
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mock_get = mock.patch(
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'requests.get',
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side_effect=self._mock_requests_get('{"foo": "bar"'),
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)
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with mock_get:
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self.assertRaises(
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prometheus.PrometheusResponseError,
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self.client.get_instant,
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'max(http_requests_total) by (project_id)',
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)
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def test_get_range_raises_error_on_bad_json(self):
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# Simulating malformed JSON response from HTTP+PromQL range request
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mock_get = mock.patch(
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'requests.get',
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side_effect=self._mock_requests_get('{"foo": "bar"'),
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)
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with mock_get:
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self.assertRaises(
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prometheus.PrometheusResponseError,
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self.client.get_range,
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'max(http_requests_total) by (project_id)',
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samples.FIRST_PERIOD_BEGIN,
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samples.FIRST_PERIOD_END,
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10,
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)
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