def test_close_sync(client):
sem = Semaphore()
sem.close()
with pytest.raises(RuntimeError,
match="Semaphore .* not known or already closed."):
sem.acquire()
def f(x, release=True):
sem = Semaphore(name="x")
if not sem.acquire(timeout=0.1):
return False
if release:
assert sem.release() is True
return True
def test_timeout_sync(client):
s = Semaphore(name="x")
# Using the context manager already acquires a lease, so the line below won't be able to acquire another one
with s:
assert s.acquire(timeout=0.025) is False