467 lines
16 KiB
Python
467 lines
16 KiB
Python
import json
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import logging
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import sys
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from django.conf import settings
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from nose.exc import SkipTest
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from nose import tools as nose_tools
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from django.core.urlresolvers import reverse
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from django.http import HttpResponse, HttpResponseForbidden
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from django.test import TestCase
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from django.test.client import RequestFactory
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from django.utils import dictconfig
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from django.utils import unittest
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import mock
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from nose.tools import eq_
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from django_statsd.clients import get_client
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from django_statsd.patches import utils
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from django_statsd import middleware
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cfg = {
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'version': 1,
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'formatters': {},
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'handlers': {
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'test_statsd_handler': {
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'class': 'django_statsd.loggers.errors.StatsdHandler',
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},
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},
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'loggers': {
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'test.logging': {
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'handlers': ['test_statsd_handler'],
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},
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},
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}
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@mock.patch.object(middleware.statsd, 'incr')
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class TestIncr(TestCase):
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def setUp(self):
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self.req = RequestFactory().get('/')
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self.res = HttpResponse()
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def test_graphite_response(self, incr):
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gmw = middleware.GraphiteMiddleware()
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gmw.process_response(self.req, self.res)
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assert incr.called
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def test_graphite_response_authenticated(self, incr):
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self.req.user = mock.Mock()
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self.req.user.is_authenticated.return_value = True
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gmw = middleware.GraphiteMiddleware()
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gmw.process_response(self.req, self.res)
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eq_(incr.call_count, 2)
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def test_graphite_exception(self, incr):
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gmw = middleware.GraphiteMiddleware()
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gmw.process_exception(self.req, None)
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assert incr.called
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def test_graphite_exception_authenticated(self, incr):
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self.req.user = mock.Mock()
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self.req.user.is_authenticated.return_value = True
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gmw = middleware.GraphiteMiddleware()
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gmw.process_exception(self.req, None)
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eq_(incr.call_count, 2)
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@mock.patch.object(middleware.statsd, 'timing')
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class TestTiming(unittest.TestCase):
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def setUp(self):
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self.req = RequestFactory().get('/')
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self.res = HttpResponse()
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def test_request_timing(self, timing):
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func = lambda x: x
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gmw = middleware.GraphiteRequestTimingMiddleware()
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gmw.process_view(self.req, func, tuple(), dict())
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gmw.process_response(self.req, self.res)
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eq_(timing.call_count, 3)
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names = ['view.%s.%s.GET' % (func.__module__, func.__name__),
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'view.%s.GET' % func.__module__,
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'view.GET']
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for expected, (args, kwargs) in zip(names, timing.call_args_list):
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eq_(expected, args[0])
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def test_request_timing_exception(self, timing):
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func = lambda x: x
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gmw = middleware.GraphiteRequestTimingMiddleware()
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gmw.process_view(self.req, func, tuple(), dict())
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gmw.process_exception(self.req, self.res)
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eq_(timing.call_count, 3)
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names = ['view.%s.%s.GET' % (func.__module__, func.__name__),
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'view.%s.GET' % func.__module__,
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'view.GET']
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for expected, (args, kwargs) in zip(names, timing.call_args_list):
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eq_(expected, args[0])
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def test_request_timing_tastypie(self, timing):
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func = lambda x: x
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gmw = middleware.TastyPieRequestTimingMiddleware()
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gmw.process_view(self.req, func, tuple(), {'api_name': 'my_api_name',
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'resource_name': 'my_resource_name'})
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gmw.process_response(self.req, self.res)
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eq_(timing.call_count, 3)
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names = ['view.my_api_name.my_resource_name.GET',
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'view.my_api_name.GET',
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'view.GET']
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for expected, (args, kwargs) in zip(names, timing.call_args_list):
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eq_(expected, args[0])
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def test_request_timing_tastypie_fallback(self, timing):
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func = lambda x: x
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gmw = middleware.TastyPieRequestTimingMiddleware()
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gmw.process_view(self.req, func, tuple(), dict())
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gmw.process_response(self.req, self.res)
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eq_(timing.call_count, 3)
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names = ['view.%s.%s.GET' % (func.__module__, func.__name__),
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'view.%s.GET' % func.__module__,
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'view.GET']
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for expected, (args, kwargs) in zip(names, timing.call_args_list):
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eq_(expected, args[0])
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class TestClient(unittest.TestCase):
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@mock.patch.object(settings, 'STATSD_CLIENT', 'statsd.client')
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def test_normal(self):
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eq_(get_client().__module__, 'statsd.client')
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@mock.patch.object(settings, 'STATSD_CLIENT',
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'django_statsd.clients.null')
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def test_null(self):
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eq_(get_client().__module__, 'django_statsd.clients.null')
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@mock.patch.object(settings, 'STATSD_CLIENT',
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'django_statsd.clients.toolbar')
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def test_toolbar(self):
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eq_(get_client().__module__, 'django_statsd.clients.toolbar')
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@mock.patch.object(settings, 'STATSD_CLIENT',
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'django_statsd.clients.toolbar')
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def test_toolbar_send(self):
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client = get_client()
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eq_(client.cache, {})
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client.incr('testing')
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eq_(client.cache, {'testing|count': [[1, 1]]})
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class TestMetlogClient(TestCase):
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def check_metlog(self):
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try:
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from metlog.config import client_from_dict_config
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return client_from_dict_config
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except ImportError:
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raise SkipTest("Metlog is not installed")
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@nose_tools.raises(AttributeError)
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def test_no_metlog(self):
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with self.settings(STATSD_PREFIX='moz_metlog',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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get_client()
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def _create_client(self):
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client_from_dict_config = self.check_metlog()
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# Need to load within the test in case metlog is not installed
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from metlog.config import client_from_dict_config
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METLOG_CONF = {
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'logger': 'django-statsd',
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'sender': {
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'class': 'metlog.senders.DebugCaptureSender',
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},
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}
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return client_from_dict_config(METLOG_CONF)
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def test_get_client(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_PREFIX='moz_metlog',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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eq_(client.__module__, 'django_statsd.clients.moz_metlog')
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def test_metlog_incr(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_PREFIX='moz_metlog',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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eq_(len(client.metlog.sender.msgs), 0)
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client.incr('testing')
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eq_(len(client.metlog.sender.msgs), 1)
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msg = json.loads(client.metlog.sender.msgs[0])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '1')
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eq_(msg['fields']['rate'], 1)
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eq_(msg['fields']['name'], 'moz_metlog.testing')
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eq_(msg['type'], 'counter')
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def test_metlog_decr(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_PREFIX='moz_metlog',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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eq_(len(client.metlog.sender.msgs), 0)
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client.decr('testing')
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eq_(len(client.metlog.sender.msgs), 1)
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msg = json.loads(client.metlog.sender.msgs[0])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '-1')
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eq_(msg['fields']['rate'], 1)
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eq_(msg['fields']['name'], 'moz_metlog.testing')
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eq_(msg['type'], 'counter')
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def test_metlog_timing(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_PREFIX='moz_metlog',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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eq_(len(client.metlog.sender.msgs), 0)
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client.timing('testing', 512, rate=2)
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eq_(len(client.metlog.sender.msgs), 1)
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msg = json.loads(client.metlog.sender.msgs[0])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '512')
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eq_(msg['fields']['rate'], 2)
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eq_(msg['fields']['name'], 'moz_metlog.testing')
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eq_(msg['type'], 'timer')
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@nose_tools.raises(AttributeError)
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def test_metlog_no_prefixes(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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client.incr('foo', 2)
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def test_metlog_prefixes(self):
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metlog = self._create_client()
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with self.settings(METLOG=metlog,
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STATSD_PREFIX='some_prefix',
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STATSD_CLIENT='django_statsd.clients.moz_metlog'):
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client = get_client()
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eq_(len(client.metlog.sender.msgs), 0)
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client.timing('testing', 512, rate=2)
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client.incr('foo', 2)
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client.decr('bar', 5)
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eq_(len(client.metlog.sender.msgs), 3)
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msg = json.loads(client.metlog.sender.msgs[0])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '512')
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eq_(msg['fields']['rate'], 2)
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eq_(msg['fields']['name'], 'some_prefix.testing')
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eq_(msg['type'], 'timer')
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msg = json.loads(client.metlog.sender.msgs[1])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '2')
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eq_(msg['fields']['rate'], 1)
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eq_(msg['fields']['name'], 'some_prefix.foo')
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eq_(msg['type'], 'counter')
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msg = json.loads(client.metlog.sender.msgs[2])
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eq_(msg['severity'], 6)
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eq_(msg['payload'], '-5')
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eq_(msg['fields']['rate'], 1)
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eq_(msg['fields']['name'], 'some_prefix.bar')
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eq_(msg['type'], 'counter')
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# This is primarily for Zamboni, which loads in the custom middleware
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# classes, one of which, breaks posts to our url. Let's stop that.
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@mock.patch.object(settings, 'MIDDLEWARE_CLASSES', [])
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class TestRecord(TestCase):
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urls = 'django_statsd.urls'
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def setUp(self):
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super(TestRecord, self).setUp()
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self.url = reverse('django_statsd.record')
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settings.STATSD_RECORD_GUARD = None
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self.good = {'client': 'boomerang', 'nt_nav_st': 1,
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'nt_domcomp': 3}
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self.stick = {'client': 'stick',
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'window.performance.timing.domComplete': 123,
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'window.performance.timing.domInteractive': 456,
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'window.performance.timing.domLoading': 789,
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'window.performance.timing.navigationStart': 0,
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'window.performance.navigation.redirectCount': 3,
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'window.performance.navigation.type': 1}
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def test_no_client(self):
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assert self.client.get(self.url).status_code == 400
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def test_no_valid_client(self):
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assert self.client.get(self.url, {'client': 'no'}).status_code == 400
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def test_boomerang_almost(self):
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assert self.client.get(self.url,
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{'client': 'boomerang'}).status_code == 400
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def test_boomerang_minimum(self):
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assert self.client.get(self.url,
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{'client': 'boomerang',
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'nt_nav_st': 1}).content == 'recorded'
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@mock.patch('django_statsd.views.process_key')
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def test_boomerang_something(self, process_key):
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assert self.client.get(self.url, self.good).content == 'recorded'
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assert process_key.called
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def test_boomerang_post(self):
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assert self.client.post(self.url, self.good).status_code == 405
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def test_good_guard(self):
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settings.STATSD_RECORD_GUARD = lambda r: None
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assert self.client.get(self.url, self.good).status_code == 200
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def test_bad_guard(self):
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settings.STATSD_RECORD_GUARD = lambda r: HttpResponseForbidden()
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assert self.client.get(self.url, self.good).status_code == 403
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def test_stick_get(self):
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assert self.client.get(self.url, self.stick).status_code == 405
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@mock.patch('django_statsd.views.process_key')
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def test_stick(self, process_key):
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assert self.client.post(self.url, self.stick).status_code == 200
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assert process_key.called
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def test_stick_start(self):
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data = self.stick.copy()
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del data['window.performance.timing.navigationStart']
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assert self.client.post(self.url, data).status_code == 400
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@mock.patch('django_statsd.views.process_key')
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def test_stick_missing(self, process_key):
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data = self.stick.copy()
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del data['window.performance.timing.domInteractive']
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assert self.client.post(self.url, data).status_code == 200
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assert process_key.called
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def test_stick_garbage(self):
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data = self.stick.copy()
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data['window.performance.timing.domInteractive'] = '<alert>'
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assert self.client.post(self.url, data).status_code == 400
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def test_stick_some_garbage(self):
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data = self.stick.copy()
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data['window.performance.navigation.redirectCount'] = '<alert>'
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assert self.client.post(self.url, data).status_code == 400
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def test_stick_more_garbage(self):
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data = self.stick.copy()
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data['window.performance.navigation.type'] = '<alert>'
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assert self.client.post(self.url, data).status_code == 400
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@mock.patch.object(middleware.statsd, 'incr')
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class TestErrorLog(TestCase):
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def setUp(self):
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dictconfig.dictConfig(cfg)
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self.log = logging.getLogger('test.logging')
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def division_error(self):
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try:
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1 / 0
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except:
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return sys.exc_info()
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def test_emit(self, incr):
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self.log.error('blargh!', exc_info=self.division_error())
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assert incr.call_args[0][0] == 'error.zerodivisionerror'
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def test_not_emit(self, incr):
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self.log.error('blargh!')
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assert not incr.called
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class TestPatchMethod(TestCase):
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def setUp(self):
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super(TestPatchMethod, self).setUp()
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class DummyClass(object):
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def sumargs(self, a, b, c=3, d=4):
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return a + b + c + d
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def badfn(self, a, b=2):
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raise ValueError
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self.cls = DummyClass
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def test_late_patching(self):
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"""
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Objects created before patching should get patched as well.
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"""
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def patch_fn(original_fn, self, *args, **kwargs):
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return original_fn(self, *args, **kwargs) + 10
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obj = self.cls()
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self.assertEqual(obj.sumargs(1, 2, 3, 4), 10)
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utils.patch_method(self.cls, 'sumargs')(patch_fn)
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self.assertEqual(obj.sumargs(1, 2, 3, 4), 20)
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def test_doesnt_call_original_implicitly(self):
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"""
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Original fn must be called explicitly from patched to be
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executed.
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"""
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def patch_fn(original_fn, self, *args, **kwargs):
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return 10
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with self.assertRaises(ValueError):
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obj = self.cls()
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obj.badfn(1, 2)
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utils.patch_method(self.cls, 'badfn')(patch_fn)
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self.assertEqual(obj.badfn(1, 2), 10)
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def test_args_kwargs_are_honored(self):
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"""
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Args and kwargs must be honored between calls from the patched to
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the original version.
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"""
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def patch_fn(original_fn, self, *args, **kwargs):
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return original_fn(self, *args, **kwargs)
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utils.patch_method(self.cls, 'sumargs')(patch_fn)
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obj = self.cls()
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self.assertEqual(obj.sumargs(1, 2), 10)
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self.assertEqual(obj.sumargs(1, 1, d=1), 6)
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self.assertEqual(obj.sumargs(1, 1, 1, 1), 4)
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def test_patched_fn_can_receive_arbitrary_arguments(self):
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"""
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Args and kwargs can be received arbitrarily with no contraints on
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the patched fn, even if the original_fn had a fixed set of
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allowed args and kwargs.
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"""
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def patch_fn(original_fn, self, *args, **kwargs):
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return args, kwargs
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utils.patch_method(self.cls, 'badfn')(patch_fn)
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obj = self.cls()
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self.assertEqual(obj.badfn(1, d=2), ((1,), {'d': 2}))
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self.assertEqual(obj.badfn(1, d=2), ((1,), {'d': 2}))
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self.assertEqual(obj.badfn(1, 2, c=1, d=2), ((1, 2), {'c': 1, 'd': 2}))
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