You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

81 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
# copyright 2018 gevent contributors. See LICENSE for details.
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import gc
import gevent.testing as greentest
from gevent._ident import IdentRegistry
from gevent._compat import PYPY
class Target(object):
pass
class TestIdent(greentest.TestCase):
def setUp(self):
self.reg = IdentRegistry()
def tearDown(self):
self.reg = None
def test_basic(self):
target = Target()
self.assertEqual(0, self.reg.get_ident(target))
self.assertEqual(1, len(self.reg))
self.assertEqual(0, self.reg.get_ident(target))
self.assertEqual(1, len(self.reg))
target2 = Target()
self.assertEqual(1, self.reg.get_ident(target2))
self.assertEqual(2, len(self.reg))
self.assertEqual(1, self.reg.get_ident(target2))
self.assertEqual(2, len(self.reg))
self.assertEqual(0, self.reg.get_ident(target))
# When an object dies, we can re-use
# its id. Under PyPy we need to collect garbage first.
del target
if PYPY:
for _ in range(3):
gc.collect()
self.assertEqual(1, len(self.reg))
target3 = Target()
self.assertEqual(1, self.reg.get_ident(target2))
self.assertEqual(0, self.reg.get_ident(target3))
self.assertEqual(2, len(self.reg))
@greentest.skipOnPyPy("This would need to GC very frequently")
def test_circle(self):
keep_count = 3
keepalive = [None] * keep_count
for i in range(1000):
target = Target()
# Drop an old one.
keepalive[i % keep_count] = target
self.assertLessEqual(self.reg.get_ident(target), keep_count)
@greentest.skipOnPurePython("Needs C extension")
class TestCExt(greentest.TestCase):
def test_c_extension(self):
self.assertEqual(IdentRegistry.__module__,
'gevent.__ident')
if __name__ == '__main__':
greentest.main()