def test_basic_restart(self):
"""Start a timer, stop it before it's done, then restart it."""
# Set up a timer in a normal fashion and start it.
self.tfd = Timerfd(deadline=self.deadline, interval=self.interval)
self.assertIsInstance(self.tfd, Timerfd)
print("\ntest_basic_restart settime ", self.deadline, self.interval)
self.tfd.start()
# Sleep for a short spell
time.sleep(0.300)
# Stop the timer, there should be time left on it.
ldelta, litv = self.tfd.stop()
print("test_basic_restart stopped, ", ldelta.microseconds, litv)
self.assertGreater(ldelta.microseconds, 0)
# restart and run the timer until the end,
print("test_basic_restart stopped, about to restart ", ldelta.microseconds, litv)
self.tfd.restart()
# it should stop at the remaining time interval.
print("test_basic_restart waiting on expired ")
exp, cb_res = self.tfd.expired()
print("test_basic_restart expired ", exp, cb_res)
def timer_sub_test(self, deadline=None, interval=0, **kwargs):
"""todo: Docstring for timer_sub_test
:return:
:rtype:
"""
deadline = deadline or self.d_deadline
self.tfd = Timerfd(deadline=deadline, interval=interval, **kwargs)
self.assertIsInstance(self.tfd, Timerfd)
print("\ntimer_sub_test settime ", deadline, interval)
now = datetime.datetime.now()
self.tfd.start()
print("timer_sub_test reading ", self.tfd.fd)
expires, cbr = self.tfd.expired
self.assertIsInstance(expires, int)
self.assertIsInstance(cbr, list)
while expires == 0:
expires, cbr = self.tfd.expired
delta = datetime.datetime.now() - now
# Throw in a little compensation for interval testing below.
now = datetime.datetime.now() - datetime.timedelta(microseconds=100000)
print("timer_sub_test read ", expires, " delta ", delta)
# This is tricky, but the seconds of the delta 'should' be the same
# as deadline seconds.
self.assertEqual(self.d_deadline.seconds, delta.seconds)
c_interval = 0
if interval:
print("Testing interval", interval)
print("\ntimer_sub_test settime with interval ", deadline, interval)
while c_interval < self.max_intervals:
print("current interval", c_interval)
print("timer_sub_test reading ", self.tfd.fd)
expires, cbr = self.tfd.expired
while expires == 0:
expires, cbr = self.tfd.expired
c_interval += expires
delta = datetime.datetime.now() - now
print("timer_sub_test read interval ", expires, " delta ", delta)
# Throw in a little compensation for interval testing below.
now = datetime.datetime.now() - datetime.timedelta(microseconds=100000)
# This is tricky, but the seconds of the delta 'should' be the same
# as deadline seconds.
self.assertEqual(self.d_interval.seconds, delta.seconds)
self.tfd.stop()
class _Timeout(object):
""""""
__slots__ = ['deadline', 'callback', 'tfd', 'io_loop']
def __init__(self, deadline, callback, io_loop):
self.callback = callback
self.deadline = deadline
self.io_loop = io_loop
self.tfd = Timerfd(deadline=deadline)
#__init__()
def __call__(self, fd, events):
self.callback()
# Remove ourselves
self.io_loop.remove_handler(self.tfd.fd)
#__call__()
def start(self):
"""todo: Docstring for start
:return:
:rtype:
"""
return self.tfd.start()
self.io_loop.add_handler(self.tfd.fd, self, self.READ)
#start()
def remove(self):
"""todo: Docstring for remove
:return:
:rtype:
"""
self.tfd.stop()
self.io_loop.remove_handler(self.tfd.fd)
self.tfd = None
self.callback = None
self.deadline = None
self.io_loop = None
class TestTimerfdObjRestart(unittest.TestCase):
"""Docstring for TimerfdObjRestart """
def setUp(self):
"""todo: to be defined"""
self.deadline = 1000000
self.interval = 1000000
self.d_deadline = datetime.timedelta(microseconds=self.deadline)
self.d_interval = datetime.timedelta(microseconds=self.interval)
self.max_intervals = 5
self.tfd = None
# setUp()
def test_basic_restart(self):
"""Start a timer, stop it before it's done, then restart it."""
# Set up a timer in a normal fashion and start it.
self.tfd = Timerfd(deadline=self.deadline, interval=self.interval)
self.assertIsInstance(self.tfd, Timerfd)
print("\ntest_basic_restart settime ", self.deadline, self.interval)
self.tfd.start()
# Sleep for a short spell
time.sleep(0.300)
# Stop the timer, there should be time left on it.
ldelta, litv = self.tfd.stop()
print("test_basic_restart stopped, ", ldelta.microseconds, litv)
self.assertGreater(ldelta.microseconds, 0)
# restart and run the timer until the end,
print("test_basic_restart stopped, about to restart ", ldelta.microseconds, litv)
self.tfd.restart()
# it should stop at the remaining time interval.
print("test_basic_restart waiting on expired ")
exp, cb_res = self.tfd.expired()
print("test_basic_restart expired ", exp, cb_res)
def __init__(self, deadline, callback, io_loop):
self.callback = callback
self.deadline = deadline
self.io_loop = io_loop
self.tfd = Timerfd(deadline=deadline)
class TestTimerfdObjTime(unittest.TestCase):
"""Docstring for TimerfdObjTime """
def setUp(self):
"""todo: to be defined"""
self.deadline = 1000000
self.interval = 1000000
self.d_deadline = datetime.timedelta(microseconds=self.deadline)
self.d_interval = datetime.timedelta(microseconds=self.interval)
self.max_intervals = 5
self.tfd = None
# setUp()
def timer_sub_test(self, deadline=None, interval=0, **kwargs):
"""todo: Docstring for timer_sub_test
:return:
:rtype:
"""
deadline = deadline or self.d_deadline
self.tfd = Timerfd(deadline=deadline, interval=interval, **kwargs)
self.assertIsInstance(self.tfd, Timerfd)
print("\ntimer_sub_test settime ", deadline, interval)
now = datetime.datetime.now()
self.tfd.start()
print("timer_sub_test reading ", self.tfd.fd)
expires, cbr = self.tfd.expired
self.assertIsInstance(expires, int)
self.assertIsInstance(cbr, list)
while expires == 0:
expires, cbr = self.tfd.expired
delta = datetime.datetime.now() - now
# Throw in a little compensation for interval testing below.
now = datetime.datetime.now() - datetime.timedelta(microseconds=100000)
print("timer_sub_test read ", expires, " delta ", delta)
# This is tricky, but the seconds of the delta 'should' be the same
# as deadline seconds.
self.assertEqual(self.d_deadline.seconds, delta.seconds)
c_interval = 0
if interval:
print("Testing interval", interval)
print("\ntimer_sub_test settime with interval ", deadline, interval)
while c_interval < self.max_intervals:
print("current interval", c_interval)
print("timer_sub_test reading ", self.tfd.fd)
expires, cbr = self.tfd.expired
while expires == 0:
expires, cbr = self.tfd.expired
c_interval += expires
delta = datetime.datetime.now() - now
print("timer_sub_test read interval ", expires, " delta ", delta)
# Throw in a little compensation for interval testing below.
now = datetime.datetime.now() - datetime.timedelta(microseconds=100000)
# This is tricky, but the seconds of the delta 'should' be the same
# as deadline seconds.
self.assertEqual(self.d_interval.seconds, delta.seconds)
self.tfd.stop()
# timer_sub_test()
def timer_test(self, *args, **kwargs):
"""A generic timer test.
:param *args: arg description
:type *args: type description
:param **kwargs: arg description
:type **kwargs: type description
:return:
:rtype:
"""
self.timer_sub_test(self.deadline, *args, **kwargs)
self.timer_sub_test(self.deadline, self.interval, *args, **kwargs)
self.timer_sub_test(self.d_deadline, *args, **kwargs)
self.timer_sub_test(self.d_deadline, self.d_interval, *args, **kwargs)
# timer_test()
def test_default_timer(self):
"""todo: Basic tests for a blocking timer."""
self.timer_test(monotonic=True)
self.timer_test(realtime=True)
# test_default_timer()
def test_async_timer(self):
"""todo: Basic tests for a non-blocking timer."""
self.timer_test(monotonic=True, async=True)
self.timer_test(realtime=True, async=True)
