def test_locked_timeoutbug(self):
lock = FileLock(engine.LOCK_PATH)
lock.unique_name = 'mailer-test'
lock.acquire()
# We want to emulate the lock acquiring taking no time, so the next
# three calls to time.time() always return 0 (then set it back to the
# real function).
original_time = time.time
global time_call_count
time_call_count = 0
def fake_time():
global time_call_count
time_call_count = time_call_count + 1
if time_call_count >= 3:
time.time = original_time
return 0
time.time = fake_time
try:
engine.send_all()
self.output.seek(0)
self.assertEqual(self.output.readlines()[-1].strip(),
'Lock already in place. Exiting.')
finally:
lock.release()
time.time = original_time
def test_locked(self):
# Acquire the lock (under a different unique name) so that send_all
# will fail.
lock = FileLock(engine.LOCK_PATH)
lock.unique_name = 'mailer-test'
lock.acquire()
try:
engine.send_all()
self.output.seek(0)
self.assertEqual(self.output.readlines()[-1].strip(),
'Lock already in place. Exiting.')
# Try with a timeout.
settings.LOCK_WAIT_TIMEOUT = .1
engine.send_all()
self.output.seek(0)
self.assertEqual(self.output.readlines()[-1].strip(),
'Waiting for the lock timed out. Exiting.')
finally:
# Always release the test lock.
lock.release()
