hf_text-generation-inference/server/tests/utils/test_tokens.py

45 lines
1.4 KiB
Python

from text_generation_server.utils.tokens import (
StopSequenceCriteria,
StoppingCriteria,
FinishReason,
)
def test_stop_sequence_criteria():
criteria = StopSequenceCriteria("/test;")
assert not criteria("/")
assert not criteria("/test")
assert criteria("/test;")
assert not criteria("/test; ")
def test_stop_sequence_criteria_escape():
criteria = StopSequenceCriteria("<|stop|>")
assert not criteria("<")
assert not criteria("<|stop")
assert criteria("<|stop|>")
assert not criteria("<|stop|> ")
def test_stopping_criteria():
criteria = StoppingCriteria(0, [StopSequenceCriteria("/test;")], max_new_tokens=5)
assert criteria(65827, "/test") == (False, None)
assert criteria(30, ";") == (True, FinishReason.FINISH_REASON_STOP_SEQUENCE)
def test_stopping_criteria_eos():
criteria = StoppingCriteria(0, [StopSequenceCriteria("/test;")], max_new_tokens=5)
assert criteria(1, "") == (False, None)
assert criteria(0, "") == (True, FinishReason.FINISH_REASON_EOS_TOKEN)
def test_stopping_criteria_max():
criteria = StoppingCriteria(0, [StopSequenceCriteria("/test;")], max_new_tokens=5)
assert criteria(1, "") == (False, None)
assert criteria(1, "") == (False, None)
assert criteria(1, "") == (False, None)
assert criteria(1, "") == (False, None)
assert criteria(1, "") == (True, FinishReason.FINISH_REASON_LENGTH)