def test_basic_locking(fake_redis):
"""Check if single process locking works"""
root_prox = Proxy(path=('QualityControl', ))
root_prox.clear()
root_prox.acquire()
assert root_prox.is_locked()
root_prox.set('child', {})
root_prox.release()
def test_parallel_lock(real_redis):
"""Test if two processes really block on a common ressource"""
val = Proxy('LockMe').set("x", 0)
checks = defaultdict(bool)
def _lock_me():
"""See if the thread could acquire the lock at last"""
time.sleep(0.5)
val.acquire()
val.release()
checks["thread-got-through"] = True
jobs = 2
with background_thread(_lock_me, (), jobs=jobs - 1):
val.acquire()
time.sleep(2)
val.release()
time.sleep(0.5)
assert checks["thread-got-through"]