def test_locked_by_process_no_block(self):
proc_is_locked = multiprocessing.Event()
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(10)
p = multiprocessing.Process(target=lock)
p.start()
# wait for process to start
proc_is_locked.wait()
locker = CacheLocker(self.lock_file)
# test unlocked bar
with locker.lock('bar', no_block=True):
assert True
# test locked foo
try:
with locker.lock('foo', no_block=True):
assert False
except CacheLockedError:
pass
finally:
p.terminate()
p.join()
def test_locked_by_process_no_block(self):
proc_is_locked = multiprocessing.Event()
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(10)
p = multiprocessing.Process(target=lock)
p.start()
# wait for process to start
proc_is_locked.wait()
locker = CacheLocker(self.lock_file)
# test unlocked bar
with locker.lock('bar', no_block=True):
assert True
# test locked foo
try:
with locker.lock('foo', no_block=True):
assert False
except CacheLockedError:
pass
finally:
p.terminate()
p.join()
def test_locked_by_process_waiting(self):
proc_is_locked = multiprocessing.Event()
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(.1)
p = multiprocessing.Process(target=lock)
start_time = time.time()
p.start()
# wait for process to start
proc_is_locked.wait()
locker = CacheLocker(self.lock_file, polltime=0.02)
try:
with locker.lock('foo', no_block=False):
diff = time.time() - start_time
assert diff > 0.1
finally:
p.terminate()
p.join()
def test_locked_by_process_waiting(self):
proc_is_locked = multiprocessing.Event()
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(.1)
p = multiprocessing.Process(target=lock)
start_time = time.time()
p.start()
# wait for process to start
proc_is_locked.wait()
locker = CacheLocker(self.lock_file, polltime=0.02)
try:
with locker.lock('foo', no_block=False):
diff = time.time() - start_time
assert diff > 0.1
finally:
p.terminate()
p.join()
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(.1)
def test_free_lock(self):
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
assert True
def lock():
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
proc_is_locked.set()
time.sleep(.1)
def test_free_lock(self):
locker = CacheLocker(self.lock_file)
with locker.lock('foo'):
assert True
def lock():
locker = CacheLocker(lock_file)
with locker.lock("foo"):
proc_is_locked.set()
time.sleep(.1)
def test_free_lock(self, lock_file):
locker = CacheLocker(lock_file)
with locker.lock("foo"):
assert True
