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Python

from gevent import monkey
monkey.patch_all()
import sys
import unittest
from gevent.testing.testcase import SubscriberCleanupMixin
class TestMonkey(SubscriberCleanupMixin, unittest.TestCase):
maxDiff = None
def setUp(self):
super(TestMonkey, self).setUp()
self.all_events = []
self.addSubscriber(self.all_events.append)
self.orig_saved = orig_saved = {}
for k, v in monkey.saved.items():
orig_saved[k] = v.copy()
def tearDown(self):
monkey.saved = self.orig_saved
del self.orig_saved
del self.all_events
super(TestMonkey, self).tearDown()
def test_time(self):
import time
from gevent import time as gtime
self.assertIs(time.sleep, gtime.sleep)
def test_thread(self):
try:
import thread
except ImportError:
import _thread as thread
import threading
from gevent import thread as gthread
self.assertIs(thread.start_new_thread, gthread.start_new_thread)
self.assertIs(threading._start_new_thread, gthread.start_new_thread)
# Event patched by default
self.assertTrue(monkey.is_object_patched('threading', 'Event'))
if sys.version_info[0] == 2:
from gevent import threading as gthreading
from gevent.event import Event as GEvent
self.assertIs(threading._sleep, gthreading._sleep)
self.assertTrue(monkey.is_object_patched('threading', '_Event'))
self.assertIs(threading._Event, GEvent)
def test_socket(self):
import socket
from gevent import socket as gevent_socket
self.assertIs(socket.create_connection, gevent_socket.create_connection)
def test_os(self):
import os
import types
from gevent import os as gos
for name in ('fork', 'forkpty'):
if hasattr(os, name):
attr = getattr(os, name)
self.assertNotIn('built-in', repr(attr))
self.assertNotIsInstance(attr, types.BuiltinFunctionType)
self.assertIsInstance(attr, types.FunctionType)
self.assertIs(attr, getattr(gos, name))
def test_saved(self):
self.assertTrue(monkey.saved)
for modname in monkey.saved:
self.assertTrue(monkey.is_module_patched(modname))
for objname in monkey.saved[modname]:
self.assertTrue(monkey.is_object_patched(modname, objname))
def test_patch_subprocess_twice(self):
Popen = monkey.get_original('subprocess', 'Popen')
self.assertNotIn('gevent', repr(Popen))
self.assertIs(Popen, monkey.get_original('subprocess', 'Popen'))
monkey.patch_subprocess()
self.assertIs(Popen, monkey.get_original('subprocess', 'Popen'))
def test_patch_twice_warnings_events(self):
import warnings
all_events = self.all_events
with warnings.catch_warnings(record=True) as issued_warnings:
# Patch again, triggering just one warning, for
# a different set of arguments. Because we're going to False instead of
# turning something on, nothing is actually done, no events are issued.
monkey.patch_all(os=False, extra_kwarg=42)
self.assertEqual(len(issued_warnings), 1)
self.assertIn('more than once', str(issued_warnings[0].message))
self.assertEqual(all_events, [])
# Same warning again, but still nothing is done.
del issued_warnings[:]
monkey.patch_all(os=False)
self.assertEqual(len(issued_warnings), 1)
self.assertIn('more than once', str(issued_warnings[0].message))
self.assertEqual(all_events, [])
self.orig_saved['_gevent_saved_patch_all_module_settings'] = monkey.saved[
'_gevent_saved_patch_all_module_settings']
# Make sure that re-patching did not change the monkey.saved
# attribute, overwriting the original functions.
if 'logging' in monkey.saved and 'logging' not in self.orig_saved:
# some part of the warning or unittest machinery imports logging
self.orig_saved['logging'] = monkey.saved['logging']
self.assertEqual(self.orig_saved, monkey.saved)
# Make sure some problematic attributes stayed correct.
# NOTE: This was only a problem if threading was not previously imported.
for k, v in monkey.saved['threading'].items():
self.assertNotIn('gevent', str(v), (k, v))
def test_patch_events(self):
from gevent import events
from gevent.testing import verify
all_events = self.all_events
def veto(event):
if isinstance(event, events.GeventWillPatchModuleEvent) and event.module_name == 'ssl':
raise events.DoNotPatch
self.addSubscriber(veto)
monkey.saved = {} # Reset
monkey.patch_all(thread=False, select=False, extra_kwarg=42) # Go again
self.assertIsInstance(all_events[0], events.GeventWillPatchAllEvent)
self.assertEqual({'extra_kwarg': 42}, all_events[0].patch_all_kwargs)
verify.verifyObject(events.IGeventWillPatchAllEvent, all_events[0])
self.assertIsInstance(all_events[1], events.GeventWillPatchModuleEvent)
verify.verifyObject(events.IGeventWillPatchModuleEvent, all_events[1])
self.assertIsInstance(all_events[2], events.GeventDidPatchModuleEvent)
verify.verifyObject(events.IGeventWillPatchModuleEvent, all_events[1])
self.assertIsInstance(all_events[-2], events.GeventDidPatchBuiltinModulesEvent)
verify.verifyObject(events.IGeventDidPatchBuiltinModulesEvent, all_events[-2])
self.assertIsInstance(all_events[-1], events.GeventDidPatchAllEvent)
verify.verifyObject(events.IGeventDidPatchAllEvent, all_events[-1])
for e in all_events:
self.assertFalse(isinstance(e, events.GeventDidPatchModuleEvent)
and e.module_name == 'ssl')
def test_patch_queue(self):
try:
import queue
except ImportError:
# Python 2 called this Queue. Note that having
# python-future installed gives us a queue module on
# Python 2 as well.
queue = None
if not hasattr(queue, 'SimpleQueue'):
raise unittest.SkipTest("Needs SimpleQueue")
# pylint:disable=no-member
self.assertIs(queue.SimpleQueue, queue._PySimpleQueue)
if __name__ == '__main__':
unittest.main()