def test_recovery_missing_byte(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
dc.start_sync_recovery_thread()
# play the normal_sequence twice so we get in sync, but skip the last byte
for x in normal_sequence:
dc.incoming_queue.put(x)
for i in range(len(normal_sequence) - 1):
dc.incoming_queue.put(normal_sequence[i])
# play the normal_sequence once again
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert not dc.synchronized
# play the normal_sequence once again, this is where we recover
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert dc.synchronized
def test_recovery_random_dead(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
dc.start_sync_recovery_thread()
# play the normal_sequence twice so we get in sync
for i in range(2):
for x in normal_sequence:
dc.incoming_queue.put(x)
# play the normal_sequence with a random DEAD to break sync
for x in dead_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert not dc.synchronized
# play the normal_sequence again twice, this is where we recover
for i in range(2):
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert dc.synchronized
def test_recovery_added_byte(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
dc.start_sync_recovery_thread()
# play the normal_sequence twice so we get in sync
for i in range(2):
for x in normal_sequence:
dc.incoming_queue.put(x)
# throw a wrench in the pipeline
dc.incoming_queue.put('c')
# play the normal_sequence once again
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert not dc.synchronized
# play the normal_sequence once again, this is where we recover
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert dc.synchronized
def test_sync_to_parser_handoff(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
dc.start_sync_recovery_thread()
dc.start_parser_thread()
# play the normal_sequence twice so we get in sync
for i in range(3):
for x in normal_sequence:
dc.incoming_queue.put(x)
time.sleep(0.2)
assert not dc.storage_queue.empty()
assert not dc.gui_queue.empty()