mirror of
https://github.com/python/cpython.git
synced 2025-11-03 23:21:29 +00:00
204 lines
6.5 KiB
Python
204 lines
6.5 KiB
Python
#!/usr/bin/env python
|
|
|
|
import queue
|
|
import sched
|
|
import time
|
|
import unittest
|
|
from test import support
|
|
try:
|
|
import threading
|
|
except ImportError:
|
|
threading = None
|
|
|
|
TIMEOUT = 10
|
|
|
|
|
|
class Timer:
|
|
def __init__(self):
|
|
self._cond = threading.Condition()
|
|
self._time = 0
|
|
self._stop = 0
|
|
|
|
def time(self):
|
|
with self._cond:
|
|
return self._time
|
|
|
|
# increase the time but not beyond the established limit
|
|
def sleep(self, t):
|
|
assert t >= 0
|
|
with self._cond:
|
|
t += self._time
|
|
while self._stop < t:
|
|
self._time = self._stop
|
|
self._cond.wait()
|
|
self._time = t
|
|
|
|
# advance time limit for user code
|
|
def advance(self, t):
|
|
assert t >= 0
|
|
with self._cond:
|
|
self._stop += t
|
|
self._cond.notify_all()
|
|
|
|
|
|
class TestCase(unittest.TestCase):
|
|
|
|
def test_enter(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
for x in [0.5, 0.4, 0.3, 0.2, 0.1]:
|
|
z = scheduler.enter(x, 1, fun, (x,))
|
|
scheduler.run()
|
|
self.assertEqual(l, [0.1, 0.2, 0.3, 0.4, 0.5])
|
|
|
|
def test_enterabs(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
for x in [0.05, 0.04, 0.03, 0.02, 0.01]:
|
|
z = scheduler.enterabs(x, 1, fun, (x,))
|
|
scheduler.run()
|
|
self.assertEqual(l, [0.01, 0.02, 0.03, 0.04, 0.05])
|
|
|
|
@unittest.skipUnless(threading, 'Threading required for this test.')
|
|
def test_enter_concurrent(self):
|
|
q = queue.Queue()
|
|
fun = q.put
|
|
timer = Timer()
|
|
scheduler = sched.scheduler(timer.time, timer.sleep)
|
|
scheduler.enter(1, 1, fun, (1,))
|
|
scheduler.enter(3, 1, fun, (3,))
|
|
t = threading.Thread(target=scheduler.run)
|
|
t.start()
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 1)
|
|
self.assertTrue(q.empty())
|
|
for x in [4, 5, 2]:
|
|
z = scheduler.enter(x - 1, 1, fun, (x,))
|
|
timer.advance(2)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 2)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 3)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 4)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 5)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1000)
|
|
t.join(timeout=TIMEOUT)
|
|
self.assertFalse(t.is_alive())
|
|
self.assertTrue(q.empty())
|
|
self.assertEqual(timer.time(), 5)
|
|
|
|
def test_priority(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
for priority in [1, 2, 3, 4, 5]:
|
|
z = scheduler.enterabs(0.01, priority, fun, (priority,))
|
|
scheduler.run()
|
|
self.assertEqual(l, [1, 2, 3, 4, 5])
|
|
|
|
def test_cancel(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
now = time.time()
|
|
event1 = scheduler.enterabs(now + 0.01, 1, fun, (0.01,))
|
|
event2 = scheduler.enterabs(now + 0.02, 1, fun, (0.02,))
|
|
event3 = scheduler.enterabs(now + 0.03, 1, fun, (0.03,))
|
|
event4 = scheduler.enterabs(now + 0.04, 1, fun, (0.04,))
|
|
event5 = scheduler.enterabs(now + 0.05, 1, fun, (0.05,))
|
|
scheduler.cancel(event1)
|
|
scheduler.cancel(event5)
|
|
scheduler.run()
|
|
self.assertEqual(l, [0.02, 0.03, 0.04])
|
|
|
|
@unittest.skipUnless(threading, 'Threading required for this test.')
|
|
def test_cancel_concurrent(self):
|
|
q = queue.Queue()
|
|
fun = q.put
|
|
timer = Timer()
|
|
scheduler = sched.scheduler(timer.time, timer.sleep)
|
|
now = timer.time()
|
|
event1 = scheduler.enterabs(now + 1, 1, fun, (1,))
|
|
event2 = scheduler.enterabs(now + 2, 1, fun, (2,))
|
|
event4 = scheduler.enterabs(now + 4, 1, fun, (4,))
|
|
event5 = scheduler.enterabs(now + 5, 1, fun, (5,))
|
|
event3 = scheduler.enterabs(now + 3, 1, fun, (3,))
|
|
t = threading.Thread(target=scheduler.run)
|
|
t.start()
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 1)
|
|
self.assertTrue(q.empty())
|
|
scheduler.cancel(event2)
|
|
scheduler.cancel(event5)
|
|
timer.advance(1)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 3)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1)
|
|
self.assertEqual(q.get(timeout=TIMEOUT), 4)
|
|
self.assertTrue(q.empty())
|
|
timer.advance(1000)
|
|
t.join(timeout=TIMEOUT)
|
|
self.assertFalse(t.is_alive())
|
|
self.assertTrue(q.empty())
|
|
self.assertEqual(timer.time(), 4)
|
|
|
|
def test_empty(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
self.assertTrue(scheduler.empty())
|
|
for x in [0.05, 0.04, 0.03, 0.02, 0.01]:
|
|
z = scheduler.enterabs(x, 1, fun, (x,))
|
|
self.assertFalse(scheduler.empty())
|
|
scheduler.run()
|
|
self.assertTrue(scheduler.empty())
|
|
|
|
def test_queue(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
now = time.time()
|
|
e5 = scheduler.enterabs(now + 0.05, 1, fun)
|
|
e1 = scheduler.enterabs(now + 0.01, 1, fun)
|
|
e2 = scheduler.enterabs(now + 0.02, 1, fun)
|
|
e4 = scheduler.enterabs(now + 0.04, 1, fun)
|
|
e3 = scheduler.enterabs(now + 0.03, 1, fun)
|
|
# queue property is supposed to return an order list of
|
|
# upcoming events
|
|
self.assertEqual(list(scheduler.queue), [e1, e2, e3, e4, e5])
|
|
|
|
def test_args_kwargs(self):
|
|
flag = []
|
|
|
|
def fun(*a, **b):
|
|
flag.append(None)
|
|
self.assertEqual(a, (1,2,3))
|
|
self.assertEqual(b, {"foo":1})
|
|
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
z = scheduler.enterabs(0.01, 1, fun, argument=(1,2,3), kwargs={"foo":1})
|
|
scheduler.run()
|
|
self.assertEqual(flag, [None])
|
|
|
|
def test_run_non_blocking(self):
|
|
l = []
|
|
fun = lambda x: l.append(x)
|
|
scheduler = sched.scheduler(time.time, time.sleep)
|
|
for x in [10, 9, 8, 7, 6]:
|
|
scheduler.enter(x, 1, fun, (x,))
|
|
scheduler.run(blocking=False)
|
|
self.assertEqual(l, [])
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(TestCase)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|