mirror of
https://github.com/sprockets/sprockets.mixins.metrics.git
synced 2024-11-22 03:00:25 +00:00
384 lines
14 KiB
Python
384 lines
14 KiB
Python
import itertools
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import socket
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import unittest
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from tornado import gen, iostream, testing, web
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import mock
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from mock import patch
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from sprockets.mixins.metrics import statsd
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from sprockets.mixins.metrics.testing import FakeStatsdServer
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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 MisconfiguredStatsdMetricCollectionTests(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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def test_bad_protocol_raises_ValueError(self):
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with self.assertRaises(ValueError):
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statsd.StatsDCollector(host='127.0.0.1',
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port=8125,
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protocol='bad_protocol')
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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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self.namespace = 'testing'
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super(TCPStatsdMetricCollectionTests, self).setUp()
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self.statsd = FakeStatsdServer(self.io_loop, protocol='tcp')
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statsd.install(self.application, **{'namespace': self.namespace,
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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_tcp_reconnect_on_stream_close(self):
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path_sleep = 'tornado.gen.sleep'
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path_statsd = self.application.statsd
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with mock.patch(path_sleep) as gen_sleep, \
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patch.object(path_statsd, '_tcp_socket') as mock_tcp_socket:
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f = web.Future()
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f.set_result(None)
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gen_sleep.return_value = f
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self.application.statsd._tcp_on_closed()
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mock_tcp_socket.assert_called_once_with()
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@patch.object(iostream.IOStream, 'write')
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def test_write_not_executed_when_connection_is_closed(self, mock_write):
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self.application.statsd._sock.close()
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self.application.statsd.send('foo', 500, 'c')
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mock_write.assert_not_called()
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@patch.object(iostream.IOStream, 'write')
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def test_expected_counters_data_written(self, mock_sock):
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path = ('foo', 'bar')
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value = 500
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metric_type = 'c'
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expected = "{}:{}|{}\n".format('.'.join(
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itertools.chain((self.namespace, 'counters'), path)),
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value,
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metric_type)
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self.application.statsd.send(path, value, metric_type)
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mock_sock.assert_called_once_with(expected.encode())
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@patch.object(iostream.IOStream, 'write')
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def test_expected_timers_data_written(self, mock_sock):
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path = ('foo', 'bar')
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value = 500
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metric_type = 'ms'
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expected = "{}:{}|{}\n".format('.'.join(
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itertools.chain((self.namespace, 'timers'), path)),
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value,
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metric_type)
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self.application.statsd.send(path, value, metric_type)
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mock_sock.assert_called_once_with(expected.encode())
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def test_tcp_message_format(self):
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expected = '{path}:{value}|{metric_type}\n'
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self.assertEqual(self.application.statsd._msg_format, expected)
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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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self.namespace = 'testing'
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super(TCPStatsdConfigurationTests, self).setUp()
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self.statsd = FakeStatsdServer(self.io_loop, protocol='tcp')
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statsd.install(self.application, **{'namespace': self.namespace,
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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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self.namespace = 'testing'
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super(UDPStatsdMetricCollectionTests, self).setUp()
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self.statsd = FakeStatsdServer(self.io_loop, protocol='udp')
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statsd.install(self.application, **{'namespace': self.namespace,
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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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@patch.object(socket.socket, 'sendto')
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def test_expected_counters_data_written(self, mock_sock):
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path = ('foo', 'bar')
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value = 500
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metric_type = 'c'
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expected = "{}:{}|{}".format('.'.join(
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itertools.chain((self.namespace, 'counters'), path)),
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value,
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metric_type)
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self.application.statsd.send(path, value, metric_type)
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mock_sock.assert_called_once_with(
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expected.encode(),
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(self.statsd.sockaddr[0], self.statsd.sockaddr[1]))
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@patch.object(socket.socket, 'sendto')
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def test_expected_timers_data_written(self, mock_sock):
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path = ('foo', 'bar')
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value = 500
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metric_type = 'ms'
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expected = "{}:{}|{}".format('.'.join(
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itertools.chain((self.namespace, 'timers'), path)),
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value,
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metric_type)
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self.application.statsd.send(path, value, metric_type)
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mock_sock.assert_called_once_with(
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expected.encode(),
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(self.statsd.sockaddr[0], self.statsd.sockaddr[1]))
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def test_udp_message_format(self):
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expected = '{path}:{value}|{metric_type}'
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self.assertEqual(self.application.statsd._msg_format, expected)
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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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self.namespace = 'testing'
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super(UDPStatsdConfigurationTests, self).setUp()
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self.statsd = FakeStatsdServer(self.io_loop, protocol='udp')
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statsd.install(self.application, **{'namespace': self.namespace,
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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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