def testTwentySendsDifferentAddresses(self):
self.sends = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=2),
hysteresis_max_period = timedelta(milliseconds=10),
hysteresis_rate = 2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(TransmitIntent('addr%d'%num, 'msg'))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertNotEqual(timedelta(seconds=0), hs.delay.remaining())
self.assertGreaterEqual(timedelta(milliseconds=10), hs.delay.remaining())
self.assertLess(timedelta(milliseconds=9), hs.delay.remaining())
delayTime = hs.delay.remainingSeconds()
print('Remaining seconds: %s (%s)'%(delayTime, type(delayTime)))
sleep(delayTime)
hs.checkSends()
self.assertEqual(len(intents), len(getattr(self, 'sends', [])))
for num in range(len(intents)):
self.assertEqual(intents[num], self.sends[num])
# Ensure that there are no more send attempts
sleep(hs.delay.remainingSeconds())
self.assertEqual(len(intents), len(getattr(self, 'sends', [])))
sleep(delayTime)
self.assertEqual(len(intents), len(getattr(self, 'sends', [])))
def testTwoSends(self):
self.sends = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=2),
hysteresis_max_period = timedelta(milliseconds=10),
hysteresis_rate = 2)
intent1 = TransmitIntent('addr1', 'msg1')
intent2 = TransmitIntent('addr1', 'msg2')
hs.sendWithHysteresis(intent1)
hs.sendWithHysteresis(intent2)
# First was sent immediately, second is delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intent1, self.sends[0])
self.assertNotEqual(timedelta(seconds=0), hs.delay.remaining())
self.assertGreaterEqual(timedelta(milliseconds=10), hs.delay.remaining())
delayTime = hs.delay.remainingSeconds()
print('Remaining seconds: %s (%s)'%(delayTime, type(delayTime)))
sleep(delayTime)
hs.checkSends()
self.assertEqual(2, len(getattr(self, 'sends', [])))
self.assertEqual(intent1, self.sends[0])
self.assertEqual(intent2, self.sends[1])
# Ensure that there are no more send attempts
sleep(hs.delay.remainingSeconds())
self.assertEqual(2, len(getattr(self, 'sends', [])))
sleep(delayTime)
self.assertEqual(2, len(getattr(self, 'sends', [])))
def testEighteenSendsSameAddressThreeDifferentMessageTypes(self):
self.sends = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=2),
hysteresis_max_period = timedelta(milliseconds=10),
hysteresis_rate = 2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(18):
if num % 3 == 0: msg = 'msg'
elif num % 3 == 1: msg = 1
else: msg = True
intents.append(TransmitIntent('addr1', msg))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertNotEqual(timedelta(seconds=0), hs.delay.remaining())
self.assertGreaterEqual(timedelta(milliseconds=10), hs.delay.remaining())
self.assertLess(timedelta(milliseconds=9), hs.delay.remaining())
print('Remaining seconds: %s (%s)'%(hs.delay.remainingSeconds(),
type(hs.delay.remainingSeconds())))
sleep(hs.delay.remainingSeconds())
hs.checkSends()
# Only should have first message and last of each type
self.assertEqual(4, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertEqual(intents[-3], self.sends[1])
self.assertEqual(intents[-2], self.sends[2])
self.assertEqual(intents[-1], self.sends[3])
def testTwentySendsSameAddressSameMessageTypeCancelCallbacks(self):
self.sends = []
self.fails = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=2),
hysteresis_max_period = timedelta(milliseconds=10),
hysteresis_rate = 2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(TransmitIntent('addr1', 'msg',
onSuccess = self.successfulIntent,
onError = self.failedIntent))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertNotEqual(timedelta(seconds=0), hs.delay.remaining())
self.assertGreaterEqual(timedelta(milliseconds=10), hs.delay.remaining())
self.assertLess(timedelta(milliseconds=9), hs.delay.remaining())
hs.cancelSends('addr1')
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertEqual(0, len(getattr(self, 'successes', [])))
self.assertEqual(20, len(getattr(self, 'fails', [])))
hs.checkSends()
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertEqual(0, len(getattr(self, 'successes', [])))
self.assertEqual(20, len(getattr(self, 'fails', [])))
def testTwoSendsIntentTimeoutIgnored(self):
self.sends = []
hs = HysteresisDelaySender(
self.send,
hysteresis_min_period=timedelta(milliseconds=100),
hysteresis_max_period=timedelta(milliseconds=110),
hysteresis_rate=2)
intent1 = TransmitIntent('addr1', 'msg1')
intent2 = TransmitIntent('addr1',
'msg2',
maxPeriod=timedelta(milliseconds=10))
hs.sendWithHysteresis(intent1)
hs.sendWithHysteresis(intent2)
# First was sent immediately, second is delayed
assert 1 == len(getattr(self, 'sends', []))
assert intent1 == self.sends[0]
assert timedelta(seconds=0) != hs.delay.remaining()
assert timedelta(milliseconds=110) >= hs.delay.remaining()
assert timedelta(milliseconds=95) < hs.delay.remaining()
print('Remaining seconds: %s (%s)' %
(hs.delay.remainingSeconds(), type(hs.delay.remainingSeconds())))
sleep(hs.delay.remainingSeconds())
hs.checkSends()
assert 2 == len(getattr(self, 'sends', []))
assert intent1 == self.sends[0]
assert intent2 == self.sends[1]
def testTwentySendsSameAddressSameMessageTypeSuccess(self):
self.sends = []
self.fails = []
hs = HysteresisDelaySender(
self.send,
hysteresis_min_period=timedelta(milliseconds=2),
hysteresis_max_period=timedelta(milliseconds=10),
hysteresis_rate=2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(
TransmitIntent('addr1',
'msg',
onSuccess=self.successfulIntent,
onError=self.failedIntent))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
assert 1 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
assert timedelta(seconds=0) != hs.delay.remaining()
assert timedelta(milliseconds=10) >= hs.delay.remaining()
assert timedelta(milliseconds=9) < hs.delay.remaining()
print('Remaining seconds: %s (%s)' %
(hs.delay.remainingSeconds(), type(hs.delay.remainingSeconds())))
sleep(hs.delay.remainingSeconds())
hs.checkSends()
assert 2 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
assert intents[-1] == self.sends[1]
assert 20 == len(getattr(self, 'successes', []))
assert 0 == len(getattr(self, 'fails', []))
def testTwentySendsDifferentAddressesCancelOne(self):
self.sends = []
hs = HysteresisDelaySender(
self.send,
hysteresis_min_period=timedelta(milliseconds=2),
hysteresis_max_period=timedelta(milliseconds=10),
hysteresis_rate=2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(TransmitIntent('addr%d' % num, 'msg'))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
assert 1 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
assert timedelta(seconds=0) != hs.delay.remaining()
assert timedelta(milliseconds=10) >= hs.delay.remaining()
assert timedelta(milliseconds=9) < hs.delay.remaining()
hs.cancelSends('addr10')
delayTime = hs.delay.remainingSeconds()
print('Remaining seconds: %s (%s)' % (delayTime, type(delayTime)))
sleep(delayTime)
hs.checkSends()
assert len(intents) - 1 == len(getattr(self, 'sends', []))
adj = 0
for num in range(len(intents)):
if num == 11:
adj = 1
continue
assert intents[num] == self.sends[num - adj]
# Ensure that there are no more send attempts
sleep(hs.delay.remainingSeconds())
assert len(intents) - 1 == len(getattr(self, 'sends', []))
sleep(delayTime)
assert len(intents) - 1 == len(getattr(self, 'sends', []))
def testTwentySendsSameAddressSameMessageTypeSendAfterDelay(self):
self.sends = []
hs = HysteresisDelaySender(
self.send,
hysteresis_min_period=timedelta(milliseconds=2),
hysteresis_max_period=timedelta(milliseconds=20),
hysteresis_rate=2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(TransmitIntent('addr1', 'msg'))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
assert 1 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
# The hysteresis delay should be maxed out
t1 = hs.delay.remaining()
assert timedelta(seconds=0) != t1
assert timedelta(milliseconds=20) >= t1
assert timedelta(milliseconds=9) < t1
# Wait the delay period and then check, which should send the
# (latest) queued messages
sleep(hs.delay.remainingSeconds())
hs.checkSends()
# Verify that hysteresis delay is not yet back to zero and
# additional sends are still blocked.
assert not hs.delay.expired(
) # got refreshed and reduced in checkSends
hs.sendWithHysteresis(intents[0])
assert 2 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
assert intents[-1] == self.sends[1]
# Verify that the hysteresis delay keeps dropping and
# eventually gets back to zero. After a drop, any pending
# sends that were blocked should be sent.
nsent = 2 # after first wait, checkSends will send the one just queued...
for x in range(100): # don't loop forever
if hs.delay.expired(): break
t2 = hs.delay.remaining()
assert timedelta(seconds=0) != t2
assert t2 < t1
assert nsent == len(getattr(self, 'sends', []))
sleep(hs.delay.remainingSeconds())
t1 = t2
hs.checkSends()
if nsent == 2: nsent = 3
# Now verify hysteresis sender is back to the original state
assert 3 == len(getattr(self, 'sends', []))
hs.sendWithHysteresis(intents[1])
assert 4 == len(getattr(self, 'sends', []))
assert intents[0] == self.sends[0]
assert intents[-1] == self.sends[1]
assert intents[0] == self.sends[2]
assert intents[1] == self.sends[3]
def testTwentySendsSameAddressSameMessageTypeSendAfterDelay(self):
self.sends = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=2),
hysteresis_max_period = timedelta(milliseconds=20),
hysteresis_rate = 2)
intents = [TransmitIntent('addr1', 'msg1')]
for num in range(20):
intents.append(TransmitIntent('addr1', 'msg'))
for each in intents:
hs.sendWithHysteresis(each)
# First was sent immediately, all others are delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
# The hysteresis delay should be maxed out
t1 = hs.delay.remaining()
self.assertNotEqual(timedelta(seconds=0), t1)
self.assertGreaterEqual(timedelta(milliseconds=20), t1)
self.assertLess(timedelta(milliseconds=9), t1)
# Wait the delay period and then check, which should send the
# (latest) queued messages
sleep(hs.delay.remainingSeconds())
hs.checkSends()
# Verify that hysteresis delay is not yet back to zero and
# additional sends are still blocked.
self.assertFalse(hs.delay.expired()) # got refreshed and reduced in checkSends
hs.sendWithHysteresis(intents[0])
self.assertEqual(2, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertEqual(intents[-1], self.sends[1])
# Verify that the hysteresis delay keeps dropping and
# eventually gets back to zero. After a drop, any pending
# sends that were blocked should be sent.
nsent = 2 # after first wait, checkSends will send the one just queued...
for x in range(100): # don't loop forever
if hs.delay.expired(): break
t2 = hs.delay.remaining()
self.assertNotEqual(timedelta(seconds=0), t2)
self.assertLess(t2, t1)
self.assertEqual(nsent, len(getattr(self, 'sends', [])))
sleep(hs.delay.remainingSeconds())
t1 = t2
hs.checkSends()
if nsent == 2: nsent = 3
# Now verify hysteresis sender is back to the original state
self.assertEqual(3, len(getattr(self, 'sends', [])))
hs.sendWithHysteresis(intents[1])
self.assertEqual(4, len(getattr(self, 'sends', [])))
self.assertEqual(intents[0], self.sends[0])
self.assertEqual(intents[-1], self.sends[1])
self.assertEqual(intents[0], self.sends[2])
self.assertEqual(intents[1], self.sends[3])
def testTwoSendsIntentTimeoutIgnored(self):
self.sends = []
hs = HysteresisDelaySender(self.send,
hysteresis_min_period = timedelta(milliseconds=100),
hysteresis_max_period = timedelta(milliseconds=110),
hysteresis_rate = 2)
intent1 = TransmitIntent('addr1', 'msg1')
intent2 = TransmitIntent('addr1', 'msg2', maxPeriod=timedelta(milliseconds=10))
hs.sendWithHysteresis(intent1)
hs.sendWithHysteresis(intent2)
# First was sent immediately, second is delayed
self.assertEqual(1, len(getattr(self, 'sends', [])))
self.assertEqual(intent1, self.sends[0])
self.assertNotEqual(timedelta(seconds=0), hs.delay.remaining())
self.assertGreaterEqual(timedelta(milliseconds=110), hs.delay.remaining())
self.assertLess(timedelta(milliseconds=95), hs.delay.remaining())
print('Remaining seconds: %s (%s)'%(hs.delay.remainingSeconds(),
type(hs.delay.remainingSeconds())))
sleep(hs.delay.remainingSeconds())
hs.checkSends()
self.assertEqual(2, len(getattr(self, 'sends', [])))
self.assertEqual(intent1, self.sends[0])
self.assertEqual(intent2, self.sends[1])