def test_default_basic():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
sch.enter( 1.0, 0, lambda: when.append(timer()), () )
sch.run()
now = timer()
elapsed = now - beg; assert 0.90 < elapsed < 1.10 # Total run should take ~1 second
delayed =when[0] - beg; assert 0.90 < delayed < 1.10
def test_default_cancellation():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
e = sch.enterabs( beg + 2.0, 0, lambda: when.append(timer()), () )
threading.Timer( 0.5, lambda: sch.cancel(e)).start()
sch.run()
now = timer()
elapsed = now - beg; assert 0.40 < elapsed < 0.60 # Total run should take ~1/2 second
assert len(when) == 0 # And no events should fire
def test_default_cancellation():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
e = sch.enterabs(beg + 2.0, 0, lambda: when.append(timer()), ())
threading.Timer(0.5, lambda: sch.cancel(e)).start()
sch.run()
now = timer()
elapsed = now - beg
assert 0.40 < elapsed < 0.60 # Total run should take ~1/2 second
assert len(when) == 0 # And no events should fire
def test_default_basic():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
sch.enter(1.0, 0, lambda: when.append(timer()), ())
sch.run()
now = timer()
elapsed = now - beg
assert 0.90 < elapsed < 1.10 # Total run should take ~1 second
delayed = when[0] - beg
assert 0.90 < delayed < 1.10
def test_default_preemption():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
sch.enterabs( beg + 2.0, 0, lambda: when.append(timer()), () )
threading.Timer( 0.5, lambda: sch.enterabs( beg + 1.0, 0, lambda: when.append(timer()), () )).start()
sch.run()
now = timer()
elapsed = now - beg; assert 1.90 < elapsed < 2.10 # Total run should take ~2 seconds
delay00 = when[0] - beg; assert 0.90 < delay00 < 1.10 # The Timer-scheduled event, now 1s ago
delay01 = when[1] - beg; assert 1.90 < delay01 < 2.10 # The original event, just expired
def test_default_preemption():
sch = sched.scheduler(timer, sleep)
beg = timer()
when = []
sch.enterabs(beg + 2.0, 0, lambda: when.append(timer()), ())
threading.Timer(
0.5, lambda: sch.enterabs(beg + 1.0, 0, lambda: when.append(timer()),
())).start()
sch.run()
now = timer()
elapsed = now - beg
assert 1.90 < elapsed < 2.10 # Total run should take ~2 seconds
delay00 = when[0] - beg
assert 0.90 < delay00 < 1.10 # The Timer-scheduled event, now 1s ago
delay01 = when[1] - beg
assert 1.90 < delay01 < 2.10 # The original event, just expired
