mirror of
https://github.com/sprockets/sprockets.mixins.metrics.git
synced 2024-11-22 03:00:25 +00:00
451 lines
17 KiB
Python
451 lines
17 KiB
Python
import base64
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import logging
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import os
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import socket
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import time
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import unittest
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import uuid
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from tornado import gen, testing, web
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import mock
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from sprockets.mixins.metrics import influxdb, statsd
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from sprockets.mixins.metrics.testing import (
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FakeInfluxHandler, FakeUDPStatsdServer, FakeTCPStatsdServer)
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import examples.influxdb
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import examples.statsd
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class CounterBumper(statsd.StatsdMixin, web.RequestHandler):
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@gen.coroutine
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def get(self, counter, value):
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with self.execution_timer(*counter.split('.')):
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yield gen.sleep(float(value))
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self.set_status(204)
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self.finish()
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def post(self, counter, amount):
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self.increase_counter(*counter.split('.'), amount=int(amount))
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self.set_status(204)
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class DefaultStatusCode(statsd.StatsdMixin, web.RequestHandler):
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def get(self):
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pass
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def assert_between(low, value, high):
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if not (low <= value < high):
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raise AssertionError('Expected {} to be between {} and {}'.format(
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value, low, high))
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class TCPStatsdMetricCollectionTests(testing.AsyncHTTPTestCase):
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def get_app(self):
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self.application = web.Application([
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web.url('/', examples.statsd.SimpleHandler),
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web.url('/counters/(.*)/([.0-9]*)', CounterBumper),
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web.url('/status_code', DefaultStatusCode),
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])
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return self.application
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def setUp(self):
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self.application = None
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super(TCPStatsdMetricCollectionTests, self).setUp()
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self.statsd = FakeTCPStatsdServer(self.io_loop)
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statsd.install(self.application, **{'namespace': 'testing',
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'host': self.statsd.sockaddr[0],
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'port': self.statsd.sockaddr[1],
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'protocol': 'tcp',
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'prepend_metric_type': True})
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def test_that_http_method_call_is_recorded(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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expected = 'testing.timers.SimpleHandler.GET.204'
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for path, value, stat_type in self.statsd.find_metrics(expected, 'ms'):
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assert_between(250.0, float(value), 500.0)
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def test_that_counter_increment_defaults_to_one(self):
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response = self.fetch('/', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.counters.request.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 1)
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def test_that_counter_accepts_increment_value(self):
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response = self.fetch('/counters/path/5', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.counters.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 5)
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def test_that_execution_timer_records_time_spent(self):
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response = self.fetch('/counters/one.two.three/0.25')
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self.assertEqual(response.code, 204)
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prefix = 'testing.timers.one.two.three'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'ms'):
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assert_between(250.0, float(value), 300.0)
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def test_that_add_metric_tag_is_ignored(self):
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response = self.fetch('/',
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headers={'Correlation-ID': 'does not matter'})
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self.assertEqual(response.code, 204)
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def test_that_status_code_is_used_when_not_explicitly_set(self):
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response = self.fetch('/status_code')
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self.assertEqual(response.code, 200)
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expected = 'testing.timers.DefaultStatusCode.GET.200'
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self.assertEqual(expected,
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list(self.statsd.find_metrics(expected, 'ms'))[0][0])
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class TCPStatsdConfigurationTests(testing.AsyncHTTPTestCase):
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def get_app(self):
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self.application = web.Application([
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web.url('/', examples.statsd.SimpleHandler),
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web.url('/counters/(.*)/([.0-9]*)', CounterBumper),
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])
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return self.application
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def setUp(self):
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self.application = None
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super(TCPStatsdConfigurationTests, self).setUp()
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self.statsd = FakeTCPStatsdServer(self.io_loop)
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statsd.install(self.application, **{'namespace': 'testing',
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'host': self.statsd.sockaddr[0],
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'port': self.statsd.sockaddr[1],
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'protocol': 'tcp',
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'prepend_metric_type': False})
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def test_that_http_method_call_is_recorded(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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expected = 'testing.SimpleHandler.GET.204'
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for path, value, stat_type in self.statsd.find_metrics(expected, 'ms'):
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assert_between(250.0, float(value), 500.0)
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def test_that_counter_accepts_increment_value(self):
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response = self.fetch('/counters/path/5', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 5)
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class UDPStatsdMetricCollectionTests(testing.AsyncHTTPTestCase):
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def get_app(self):
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self.application = web.Application([
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web.url('/', examples.statsd.SimpleHandler),
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web.url('/counters/(.*)/([.0-9]*)', CounterBumper),
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web.url('/status_code', DefaultStatusCode),
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])
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return self.application
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def setUp(self):
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self.application = None
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super(UDPStatsdMetricCollectionTests, self).setUp()
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self.statsd = FakeUDPStatsdServer(self.io_loop)
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statsd.install(self.application, **{'namespace': 'testing',
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'host': self.statsd.sockaddr[0],
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'port': self.statsd.sockaddr[1],
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'protocol': 'udp',
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'prepend_metric_type': True})
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def tearDown(self):
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self.statsd.close()
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super(UDPStatsdMetricCollectionTests, self).tearDown()
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def test_that_http_method_call_is_recorded(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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expected = 'testing.timers.SimpleHandler.GET.204'
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for path, value, stat_type in self.statsd.find_metrics(expected, 'ms'):
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assert_between(250.0, float(value), 500.0)
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def test_that_counter_increment_defaults_to_one(self):
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response = self.fetch('/', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.counters.request.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 1)
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def test_that_counter_accepts_increment_value(self):
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response = self.fetch('/counters/path/5', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.counters.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 5)
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def test_that_execution_timer_records_time_spent(self):
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response = self.fetch('/counters/one.two.three/0.25')
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self.assertEqual(response.code, 204)
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prefix = 'testing.timers.one.two.three'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'ms'):
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assert_between(250.0, float(value), 300.0)
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def test_that_add_metric_tag_is_ignored(self):
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response = self.fetch('/',
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headers={'Correlation-ID': 'does not matter'})
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self.assertEqual(response.code, 204)
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def test_that_status_code_is_used_when_not_explicitly_set(self):
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response = self.fetch('/status_code')
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self.assertEqual(response.code, 200)
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expected = 'testing.timers.DefaultStatusCode.GET.200'
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self.assertEqual(expected,
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list(self.statsd.find_metrics(expected, 'ms'))[0][0])
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class UDPStatsdConfigurationTests(testing.AsyncHTTPTestCase):
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def get_app(self):
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self.application = web.Application([
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web.url('/', examples.statsd.SimpleHandler),
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web.url('/counters/(.*)/([.0-9]*)', CounterBumper),
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])
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return self.application
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def setUp(self):
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self.application = None
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super(UDPStatsdConfigurationTests, self).setUp()
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self.statsd = FakeUDPStatsdServer(self.io_loop)
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statsd.install(self.application, **{'namespace': 'testing',
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'host': self.statsd.sockaddr[0],
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'port': self.statsd.sockaddr[1],
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'protocol': 'udp',
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'prepend_metric_type': False})
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def tearDown(self):
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self.statsd.close()
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super(UDPStatsdConfigurationTests, self).tearDown()
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def test_that_http_method_call_is_recorded(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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expected = 'testing.SimpleHandler.GET.204'
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for path, value, stat_type in self.statsd.find_metrics(expected, 'ms'):
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assert_between(250.0, float(value), 500.0)
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def test_that_counter_accepts_increment_value(self):
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response = self.fetch('/counters/path/5', method='POST', body='')
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self.assertEqual(response.code, 204)
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prefix = 'testing.path'
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for path, value, stat_type in self.statsd.find_metrics(prefix, 'c'):
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self.assertEqual(int(value), 5)
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class StatsdInstallationTests(unittest.TestCase):
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def setUp(self):
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self.application = web.Application([
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web.url('/', examples.statsd.SimpleHandler),
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])
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def test_collecter_is_not_reinstalled(self):
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self.assertTrue(statsd.install(self.application))
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self.assertFalse(statsd.install(self.application))
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def test_host_is_used(self):
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statsd.install(self.application, **{'host': 'example.com'})
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self.assertEqual(self.application.statsd._host, 'example.com')
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def test_port_is_used(self):
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statsd.install(self.application, **{'port': '8888'})
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self.assertEqual(self.application.statsd._port, 8888)
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def test_default_host_and_port_is_used(self):
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statsd.install(self.application, **{'namespace': 'testing'})
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self.assertEqual(self.application.statsd._host, '127.0.0.1')
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self.assertEqual(self.application.statsd._port, 8125)
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class InfluxDbTests(testing.AsyncHTTPTestCase):
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def get_app(self):
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self.application = web.Application([
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web.url(r'/', examples.influxdb.SimpleHandler),
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web.url(r'/write', FakeInfluxHandler),
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])
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influxdb.install(self.application, **{'database': 'requests',
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'submission_interval': 1,
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'url': self.get_url('/write')})
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self.application.influx_db = {}
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return self.application
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def setUp(self):
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self.application = None
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super(InfluxDbTests, self).setUp()
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self.application.settings[influxdb.SETTINGS_KEY] = {
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'measurement': 'my-service'
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}
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logging.getLogger(FakeInfluxHandler.__module__).setLevel(logging.DEBUG)
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@gen.coroutine
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def tearDown(self):
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yield influxdb.shutdown(self.application)
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super(InfluxDbTests, self).tearDown()
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@property
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def influx_messages(self):
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return FakeInfluxHandler.get_messages(self.application, self)
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def test_that_http_method_call_details_are_recorded(self):
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start = int(time.time())
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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for key, fields, timestamp, _headers in self.influx_messages:
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if key.startswith('my-service,'):
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tag_dict = dict(a.split('=') for a in key.split(',')[1:])
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self.assertEqual(tag_dict['handler'],
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'examples.influxdb.SimpleHandler')
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self.assertEqual(tag_dict['method'], 'GET')
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self.assertEqual(tag_dict['hostname'], socket.gethostname())
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self.assertEqual(tag_dict['status_code'], '204')
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value_dict = dict(a.split('=') for a in fields.split(','))
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self.assertIn('duration', value_dict)
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self.assertTrue(float(value_dict['duration']) > 0)
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nanos_since_epoch = int(timestamp)
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then = nanos_since_epoch / 1000000000
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assert_between(start, then, time.time())
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break
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else:
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self.fail('Expected to find "request" metric in {!r}'.format(
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list(self.application.influx_db['requests'])))
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def test_that_execution_timer_is_tracked(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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for key, fields, timestamp, _headers in self.influx_messages:
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if key.startswith('my-service,'):
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value_dict = dict(a.split('=') for a in fields.split(','))
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assert_between(0.25, float(value_dict['sleepytime']), 0.3)
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break
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else:
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self.fail('Expected to find "request" metric in {!r}'.format(
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list(self.application.influx_db['requests'])))
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def test_that_counter_is_tracked(self):
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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for key, fields, timestamp, _headers in self.influx_messages:
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if key.startswith('my-service,'):
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value_dict = dict(a.split('=') for a in fields.split(','))
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self.assertEqual(int(value_dict['slept']), 42)
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break
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else:
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self.fail('Expected to find "request" metric in {!r}'.format(
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list(self.application.influx_db['requests'])))
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def test_that_cached_db_connection_is_used(self):
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cfg = self.application.settings[influxdb.SETTINGS_KEY]
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conn = mock.Mock()
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cfg['db_connection'] = conn
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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self.assertIs(cfg['db_connection'], conn)
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def test_that_metric_tag_is_tracked(self):
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cid = str(uuid.uuid4())
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response = self.fetch('/', headers={'Correlation-ID': cid})
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self.assertEqual(response.code, 204)
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for key, fields, timestamp, _headers in self.influx_messages:
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if key.startswith('my-service,'):
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tag_dict = dict(a.split('=') for a in key.split(',')[1:])
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self.assertEqual(tag_dict['correlation_id'], cid)
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break
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else:
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self.fail('Expected to find "request" metric in {!r}'.format(
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list(self.application.influx_db['requests'])))
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def test_metrics_with_buffer_not_flush(self):
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self.application.settings[influxdb] = {
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'measurement': 'my-service'
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}
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# 2 requests
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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with self.assertRaises(AssertionError):
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self.assertEqual(0, len(self.influx_messages))
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class InfluxDbAuthTests(testing.AsyncHTTPTestCase):
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def setUp(self):
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self.application = None
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self.username, self.password = str(uuid.uuid4()), str(uuid.uuid4())
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os.environ['INFLUX_USER'] = self.username
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os.environ['INFLUX_PASSWORD'] = self.password
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super(InfluxDbAuthTests, self).setUp()
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self.application.settings[influxdb.SETTINGS_KEY] = {
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'measurement': 'my-service'
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}
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logging.getLogger(FakeInfluxHandler.__module__).setLevel(logging.DEBUG)
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@gen.coroutine
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def tearDown(self):
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yield influxdb.shutdown(self.application)
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super(InfluxDbAuthTests, self).tearDown()
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@property
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def influx_messages(self):
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return FakeInfluxHandler.get_messages(self.application, self)
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def get_app(self):
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self.application = web.Application([
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web.url(r'/', examples.influxdb.SimpleHandler),
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web.url(r'/write', FakeInfluxHandler),
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])
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influxdb.install(self.application, **{'database': 'requests',
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'submission_interval': 1,
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'url': self.get_url('/write')})
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self.application.influx_db = {}
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return self.application
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def test_that_authentication_header_was_sent(self):
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print(os.environ)
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response = self.fetch('/')
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self.assertEqual(response.code, 204)
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for _key, _fields, _timestamp, headers in self.influx_messages:
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self.assertIn('Authorization', headers)
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scheme, value = headers['Authorization'].split(' ')
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self.assertEqual(scheme, 'Basic')
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temp = base64.b64decode(value.encode('utf-8'))
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values = temp.decode('utf-8').split(':')
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self.assertEqual(values[0], self.username)
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self.assertEqual(values[1], self.password)
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break
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else:
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self.fail('Did not have an Authorization header')
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