def test_reference_vector():
t = Telemetry(None,None)
d = Delimiter(cb)
d.decode(bytearray.fromhex("f70700666f6f0062617247027f"))
assert t._decode_frame(Cache.frame) == ('foo','bar')
d.decode(bytearray.fromhex("f70700666f6f2077697468207370616365730062617220776974682073706163657317dc7f"))
assert t._decode_frame(Cache.frame) == ('foo with spaces','bar with spaces')
d.decode(bytearray.fromhex("f7070030313233343536373839003031323334353637383973c07f"))
assert t._decode_frame(Cache.frame) == ('0123456789', '0123456789')
d.decode(bytearray.fromhex("f703006b6c6d6f707100ffffffff107b7f"))
assert t._decode_frame(Cache.frame) == ('klmopq', 4294967295)
def test_delimiter_stats():
t = Telemetry(None,None)
d = Delimiter(cb)
measures = d.stats()
assert measures["rx_processed_bytes"] == 0
assert measures["rx_discarded_bytes"] == 0
assert measures["rx_escaped_bytes"] == 0
assert measures["rx_complete_frames"] == 0
assert measures["rx_uncomplete_frames"] == 0
assert measures["tx_processed_bytes"] == 0
assert measures["tx_encoded_frames"] == 0
assert measures["tx_escaped_bytes"] == 0
d.decode(bytearray.fromhex("f70700666f6f0062617247027f"))
measures = d.stats()
assert measures["rx_processed_bytes"] == 13
assert measures["rx_discarded_bytes"] == 0
assert measures["rx_escaped_bytes"] == 0
assert measures["rx_complete_frames"] == 1
assert measures["rx_uncomplete_frames"] == 0
assert measures["tx_processed_bytes"] == 0
assert measures["tx_encoded_frames"] == 0
assert measures["tx_escaped_bytes"] == 0
# Added 'eade' to previous frame
d.decode(bytearray.fromhex("eadef70700666f6f0062617247027f"))
measures = d.stats()
assert measures["rx_processed_bytes"] == 13 + 13 + 2
assert measures["rx_discarded_bytes"] == 2
assert measures["rx_escaped_bytes"] == 0
assert measures["rx_complete_frames"] == 2
assert measures["rx_uncomplete_frames"] == 0
assert measures["tx_processed_bytes"] == 0
assert measures["tx_encoded_frames"] == 0
assert measures["tx_escaped_bytes"] == 0
# Added 'f7eade' to original frame
d.decode(bytearray.fromhex("f7eadef70700666f6f0062617247027f"))
measures = d.stats()
assert measures["rx_processed_bytes"] == 13 + 13 + 2 + 13 + 3
assert measures["rx_discarded_bytes"] == 2 # bytes eade after f7 are not discarded because after a valid SOF
assert measures["rx_escaped_bytes"] == 0
assert measures["rx_complete_frames"] == 3
assert measures["rx_uncomplete_frames"] == 1 # but 1 more uncomplete frame
assert measures["tx_processed_bytes"] == 0
assert measures["tx_encoded_frames"] == 0
assert measures["tx_escaped_bytes"] == 0
# Dummy frame to test escaping
d.decode(bytearray.fromhex("f7007df7007d7d007d7f7f"))
measures = d.stats()
assert measures["rx_processed_bytes"] == 13 + 13 + 2 + 13 + 3 + 11
assert measures["rx_discarded_bytes"] == 2
assert measures["rx_escaped_bytes"] == 3 # 3 escaped bytes
assert measures["rx_complete_frames"] == 4
assert measures["rx_uncomplete_frames"] == 1
assert measures["tx_processed_bytes"] == 0
assert measures["tx_encoded_frames"] == 0
assert measures["tx_escaped_bytes"] == 0
