You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
139 lines
4.8 KiB
139 lines
4.8 KiB
# Copyright (c) 2018 gevent community
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
|
|
import time
|
|
|
|
import gevent
|
|
|
|
from . import sysinfo
|
|
from . import leakcheck
|
|
from .testcase import TestCase
|
|
|
|
SMALLEST_RELIABLE_DELAY = 0.001 # 1ms, because of libuv
|
|
|
|
SMALL_TICK = 0.01
|
|
SMALL_TICK_MIN_ADJ = SMALLEST_RELIABLE_DELAY
|
|
SMALL_TICK_MAX_ADJ = 0.11
|
|
if sysinfo.RUNNING_ON_APPVEYOR:
|
|
# Timing resolution is extremely poor on Appveyor
|
|
# and subject to jitter.
|
|
SMALL_TICK_MAX_ADJ = 1.5
|
|
|
|
|
|
LARGE_TICK = 0.2
|
|
LARGE_TICK_MIN_ADJ = LARGE_TICK / 2.0
|
|
LARGE_TICK_MAX_ADJ = SMALL_TICK_MAX_ADJ
|
|
|
|
|
|
class _DelayWaitMixin(object):
|
|
|
|
_default_wait_timeout = SMALL_TICK
|
|
_default_delay_min_adj = SMALL_TICK_MIN_ADJ
|
|
_default_delay_max_adj = SMALL_TICK_MAX_ADJ
|
|
|
|
def wait(self, timeout):
|
|
raise NotImplementedError('override me in subclass')
|
|
|
|
def _check_delay_bounds(self, timeout, delay,
|
|
delay_min_adj=None,
|
|
delay_max_adj=None):
|
|
delay_min_adj = self._default_delay_min_adj if not delay_min_adj else delay_min_adj
|
|
delay_max_adj = self._default_delay_max_adj if not delay_max_adj else delay_max_adj
|
|
self.assertTimeWithinRange(delay,
|
|
timeout - delay_min_adj,
|
|
timeout + delay_max_adj)
|
|
|
|
def _wait_and_check(self, timeout=None):
|
|
if timeout is None:
|
|
timeout = self._default_wait_timeout
|
|
|
|
# gevent.timer instances have a 'seconds' attribute,
|
|
# otherwise it's the raw number
|
|
seconds = getattr(timeout, 'seconds', timeout)
|
|
|
|
gevent.get_hub().loop.update_now()
|
|
start = time.time()
|
|
try:
|
|
result = self.wait(timeout)
|
|
finally:
|
|
self._check_delay_bounds(seconds, time.time() - start,
|
|
self._default_delay_min_adj,
|
|
self._default_delay_max_adj)
|
|
return result
|
|
|
|
def test_outer_timeout_is_not_lost(self):
|
|
timeout = gevent.Timeout.start_new(SMALLEST_RELIABLE_DELAY, ref=False)
|
|
try:
|
|
with self.assertRaises(gevent.Timeout) as exc:
|
|
self.wait(timeout=1)
|
|
self.assertIs(exc.exception, timeout)
|
|
finally:
|
|
timeout.close()
|
|
|
|
|
|
class AbstractGenericWaitTestCase(_DelayWaitMixin, TestCase):
|
|
# pylint:disable=abstract-method
|
|
|
|
_default_wait_timeout = LARGE_TICK
|
|
_default_delay_min_adj = LARGE_TICK_MIN_ADJ
|
|
_default_delay_max_adj = LARGE_TICK_MAX_ADJ
|
|
|
|
@leakcheck.ignores_leakcheck # waiting checks can be very sensitive to timing
|
|
def test_returns_none_after_timeout(self):
|
|
result = self._wait_and_check()
|
|
# join and wait simply return after timeout expires
|
|
self.assertIsNone(result)
|
|
|
|
|
|
class AbstractGenericGetTestCase(_DelayWaitMixin, TestCase):
|
|
# pylint:disable=abstract-method
|
|
|
|
Timeout = gevent.Timeout
|
|
|
|
def cleanup(self):
|
|
pass
|
|
|
|
def test_raises_timeout_number(self):
|
|
with self.assertRaises(self.Timeout):
|
|
self._wait_and_check(timeout=SMALL_TICK)
|
|
# get raises Timeout after timeout expired
|
|
self.cleanup()
|
|
|
|
def test_raises_timeout_Timeout(self):
|
|
timeout = gevent.Timeout(self._default_wait_timeout)
|
|
try:
|
|
self._wait_and_check(timeout=timeout)
|
|
except gevent.Timeout as ex:
|
|
self.assertIs(ex, timeout)
|
|
finally:
|
|
timeout.close()
|
|
self.cleanup()
|
|
|
|
def test_raises_timeout_Timeout_exc_customized(self):
|
|
error = RuntimeError('expected error')
|
|
timeout = gevent.Timeout(self._default_wait_timeout, exception=error)
|
|
try:
|
|
with self.assertRaises(RuntimeError) as exc:
|
|
self._wait_and_check(timeout=timeout)
|
|
|
|
self.assertIs(exc.exception, error)
|
|
self.cleanup()
|
|
finally:
|
|
timeout.close()
|
|
|