34b068d657
Refactor TranscriptionUserTurnStopStrategy and TurnAnalyzerUserTurnStopStrategy to use VADUserStoppedSpeakingFrame as the ground truth for when speech ended, rather than triggering timeouts from transcription frames.
634 lines
21 KiB
Python
634 lines
21 KiB
Python
#
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# Copyright (c) 2024-2026, Daily
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#
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# SPDX-License-Identifier: BSD 2-Clause License
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#
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import unittest
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from pipecat.frames.frames import (
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BotStartedSpeakingFrame,
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BotStoppedSpeakingFrame,
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FunctionCallFromLLM,
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FunctionCallResultFrame,
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FunctionCallsStartedFrame,
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InterruptionFrame,
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LLMContextAssistantTimestampFrame,
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LLMContextFrame,
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LLMFullResponseEndFrame,
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LLMFullResponseStartFrame,
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LLMMessagesAppendFrame,
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LLMMessagesUpdateFrame,
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LLMRunFrame,
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LLMTextFrame,
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LLMThoughtEndFrame,
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LLMThoughtStartFrame,
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LLMThoughtTextFrame,
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TranscriptionFrame,
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UserStartedSpeakingFrame,
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UserStoppedSpeakingFrame,
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VADUserStartedSpeakingFrame,
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VADUserStoppedSpeakingFrame,
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)
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from pipecat.pipeline.pipeline import Pipeline
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from pipecat.processors.aggregators.llm_context import LLMContext
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from pipecat.processors.aggregators.llm_response_universal import (
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AssistantThoughtMessage,
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AssistantTurnStoppedMessage,
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LLMAssistantAggregator,
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LLMUserAggregator,
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LLMUserAggregatorParams,
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)
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from pipecat.tests.utils import SleepFrame, run_test
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from pipecat.turns.user_mute import FirstSpeechUserMuteStrategy, FunctionCallUserMuteStrategy
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from pipecat.turns.user_stop import SpeechTimeoutUserTurnStopStrategy
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from pipecat.turns.user_turn_strategies import UserTurnStrategies
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USER_TURN_STOP_TIMEOUT = 0.2
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TRANSCRIPTION_TIMEOUT = 0.1
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class TestLLMUserAggregator(unittest.IsolatedAsyncioTestCase):
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async def test_llm_run(self):
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context = LLMContext()
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pipeline = Pipeline([LLMUserAggregator(context)])
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frames_to_send = [LLMRunFrame()]
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expected_down_frames = [LLMContextFrame]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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async def test_llm_messages_append(self):
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context = LLMContext()
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pipeline = Pipeline([LLMUserAggregator(context)])
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frames_to_send = [
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LLMMessagesAppendFrame(
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messages=[
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{
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"role": "user",
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"content": "Hi there!",
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}
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]
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)
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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assert context.messages[0]["content"] == "Hi there!"
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async def test_llm_messages_append_run(self):
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context = LLMContext()
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pipeline = Pipeline([LLMUserAggregator(context)])
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frames_to_send = [
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LLMMessagesAppendFrame(
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messages=[
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{
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"role": "user",
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"content": "Hi there!",
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}
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],
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run_llm=True,
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)
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]
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expected_down_frames = [LLMContextFrame]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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assert context.messages[0]["content"] == "Hi there!"
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async def test_llm_messages_update(self):
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context = LLMContext()
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pipeline = Pipeline([LLMUserAggregator(context)])
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frames_to_send = [
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LLMMessagesUpdateFrame(
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messages=[
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{
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"role": "user",
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"content": "Hi there!",
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}
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]
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)
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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assert context.messages[0]["content"] == "Hi there!"
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async def test_llm_messages_update_run(self):
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context = LLMContext()
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pipeline = Pipeline([LLMUserAggregator(context)])
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frames_to_send = [
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LLMMessagesUpdateFrame(
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messages=[
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{
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"role": "user",
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"content": "Hi there!",
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}
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],
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run_llm=True,
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)
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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assert context.messages[0]["content"] == "Hi there!"
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async def test_default_user_turn_strategies(self):
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context = LLMContext()
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user_aggregator = LLMUserAggregator(
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context,
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params=LLMUserAggregatorParams(
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user_turn_strategies=UserTurnStrategies(
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stop=[
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SpeechTimeoutUserTurnStopStrategy(user_speech_timeout=TRANSCRIPTION_TIMEOUT)
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],
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),
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),
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)
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should_start = None
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should_stop = None
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stop_message = None
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@user_aggregator.event_handler("on_user_turn_started")
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async def on_user_turn_started(aggregator, strategy):
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nonlocal should_start
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should_start = True
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@user_aggregator.event_handler("on_user_turn_stopped")
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async def on_user_turn_stopped(aggregator, strategy, message):
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nonlocal should_stop, stop_message
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should_stop = True
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stop_message = message
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pipeline = Pipeline([user_aggregator])
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frames_to_send = [
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VADUserStartedSpeakingFrame(),
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TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
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SleepFrame(),
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VADUserStoppedSpeakingFrame(),
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# Wait for user_speech_timeout to elapse
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SleepFrame(sleep=TRANSCRIPTION_TIMEOUT + 0.1),
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]
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expected_down_frames = [
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VADUserStartedSpeakingFrame,
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UserStartedSpeakingFrame,
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InterruptionFrame,
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VADUserStoppedSpeakingFrame,
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UserStoppedSpeakingFrame,
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LLMContextFrame,
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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self.assertTrue(should_start)
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self.assertTrue(should_stop)
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self.assertEqual(stop_message.content, "Hello!")
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async def test_user_turn_stop_timeout_no_transcription(self):
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context = LLMContext()
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user_aggregator = LLMUserAggregator(
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context,
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params=LLMUserAggregatorParams(user_turn_stop_timeout=USER_TURN_STOP_TIMEOUT),
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)
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should_start = None
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should_stop = None
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timeout = None
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@user_aggregator.event_handler("on_user_turn_started")
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async def on_user_turn_started(aggregator, strategy):
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nonlocal should_start
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should_start = True
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@user_aggregator.event_handler("on_user_turn_stopped")
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async def on_user_turn_stopped(aggregator, strategy, message):
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nonlocal should_stop
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should_stop = True
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@user_aggregator.event_handler("on_user_turn_stop_timeout")
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async def on_user_turn_stop_timeout(aggregator):
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nonlocal timeout
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timeout = True
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pipeline = Pipeline([user_aggregator])
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frames_to_send = [
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VADUserStartedSpeakingFrame(),
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VADUserStoppedSpeakingFrame(),
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SleepFrame(sleep=USER_TURN_STOP_TIMEOUT + 0.1),
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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self.assertTrue(should_start)
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self.assertTrue(should_stop)
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self.assertTrue(timeout)
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async def test_user_turn_stop_timeout_transcription(self):
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context = LLMContext()
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user_aggregator = LLMUserAggregator(
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context,
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params=LLMUserAggregatorParams(
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user_turn_strategies=UserTurnStrategies(
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stop=[
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SpeechTimeoutUserTurnStopStrategy(user_speech_timeout=TRANSCRIPTION_TIMEOUT)
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],
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),
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user_turn_stop_timeout=USER_TURN_STOP_TIMEOUT,
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),
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)
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should_start = None
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should_stop = None
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stop_message = None
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timeout = None
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@user_aggregator.event_handler("on_user_turn_started")
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async def on_user_turn_started(aggregator, strategy):
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nonlocal should_start
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should_start = True
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@user_aggregator.event_handler("on_user_turn_stopped")
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async def on_user_turn_stopped(aggregator, strategy, message):
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nonlocal should_stop, stop_message
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should_stop = True
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stop_message = message
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@user_aggregator.event_handler("on_user_turn_stop_timeout")
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async def on_user_turn_stop_timeout(aggregator):
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nonlocal timeout
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timeout = True
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pipeline = Pipeline([user_aggregator])
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# Transcript arrives before VAD stop, then we wait for user_speech_timeout
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frames_to_send = [
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VADUserStartedSpeakingFrame(),
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TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
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VADUserStoppedSpeakingFrame(),
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# Wait for user_speech_timeout (TRANSCRIPTION_TIMEOUT=0.1s) to elapse
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SleepFrame(sleep=TRANSCRIPTION_TIMEOUT + 0.05),
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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# The transcription strategy should kick-in before the user turn end timeout.
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self.assertTrue(should_start)
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self.assertTrue(should_stop)
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self.assertEqual(stop_message.content, "Hello!")
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self.assertFalse(timeout)
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async def test_user_mute_strategies(self):
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context = LLMContext()
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user_aggregator = LLMUserAggregator(
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context,
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params=LLMUserAggregatorParams(
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user_mute_strategies=[
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FirstSpeechUserMuteStrategy(),
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FunctionCallUserMuteStrategy(),
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]
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),
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)
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user_turn = False
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@user_aggregator.event_handler("on_user_turn_started")
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async def on_user_turn_started(aggregator, strategy):
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nonlocal user_turn
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user_turn = True
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pipeline = Pipeline([user_aggregator])
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frames_to_send = [
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# Bot is speaking, user should be muted.
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BotStartedSpeakingFrame(),
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VADUserStartedSpeakingFrame(),
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VADUserStoppedSpeakingFrame(),
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TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
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SleepFrame(),
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BotStoppedSpeakingFrame(),
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# Function call is executing, user should be muted.
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FunctionCallsStartedFrame(
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function_calls=[
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FunctionCallFromLLM(
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function_name="fn_1", tool_call_id="1", arguments={}, context=None
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)
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]
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),
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SleepFrame(),
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VADUserStartedSpeakingFrame(),
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VADUserStoppedSpeakingFrame(),
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TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
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FunctionCallResultFrame(
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function_name="fn_1", tool_call_id="1", arguments={}, result={}
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),
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SleepFrame(),
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]
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await run_test(
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pipeline,
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frames_to_send=frames_to_send,
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)
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# The user mute strategies should have muted the user.
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self.assertFalse(user_turn)
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async def test_pending_transcription_emitted_on_end_frame(self):
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"""Pending user transcription should be emitted when EndFrame arrives."""
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context = LLMContext()
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user_aggregator = LLMUserAggregator(context)
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stop_messages = []
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@user_aggregator.event_handler("on_user_turn_stopped")
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async def on_user_turn_stopped(aggregator, strategy, message):
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stop_messages.append((strategy, message))
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pipeline = Pipeline([user_aggregator])
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# Start turn and send transcription, but don't trigger normal turn stop
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frames_to_send = [
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VADUserStartedSpeakingFrame(),
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TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
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# No VADUserStoppedSpeakingFrame - turn doesn't stop normally
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# EndFrame will be sent by run_test, triggering emission
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]
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await run_test(pipeline, frames_to_send=frames_to_send)
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# The pending transcription should be emitted on EndFrame
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self.assertEqual(len(stop_messages), 1)
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strategy, message = stop_messages[0]
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self.assertIsNone(strategy) # strategy is None for end/cancel
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self.assertEqual(message.content, "Hello!")
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class TestLLMAssistantAggregator(unittest.IsolatedAsyncioTestCase):
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async def test_empty(self):
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context = LLMContext()
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aggregator = LLMAssistantAggregator(context)
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should_start = None
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should_stop = None
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stop_message = None
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@aggregator.event_handler("on_assistant_turn_started")
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async def on_assistant_turn_started(aggregator):
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nonlocal should_start
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should_start = True
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@aggregator.event_handler("on_assistant_turn_stopped")
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async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
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nonlocal should_stop, stop_message
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should_stop = True
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stop_message = message
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frames_to_send = [LLMFullResponseStartFrame(), LLMFullResponseEndFrame()]
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await run_test(aggregator, frames_to_send=frames_to_send)
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self.assertTrue(should_start)
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self.assertIsNone(should_stop)
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self.assertIsNone(stop_message)
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async def test_simple(self):
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context = LLMContext()
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aggregator = LLMAssistantAggregator(context)
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should_start = None
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should_stop = None
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stop_message = None
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@aggregator.event_handler("on_assistant_turn_started")
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async def on_assistant_turn_started(aggregator):
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nonlocal should_start
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should_start = True
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@aggregator.event_handler("on_assistant_turn_stopped")
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async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
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nonlocal should_stop, stop_message
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should_stop = True
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stop_message = message
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frames_to_send = [
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LLMFullResponseStartFrame(),
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LLMTextFrame("Hello from Pipecat!"),
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LLMFullResponseEndFrame(),
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]
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expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
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await run_test(
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aggregator,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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self.assertTrue(should_start)
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self.assertTrue(should_stop)
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self.assertEqual(stop_message.content, "Hello from Pipecat!")
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async def test_multiple(self):
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context = LLMContext()
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aggregator = LLMAssistantAggregator(context)
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should_start = None
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should_stop = None
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stop_message = None
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@aggregator.event_handler("on_assistant_turn_started")
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async def on_assistant_turn_started(aggregator):
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nonlocal should_start
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should_start = True
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@aggregator.event_handler("on_assistant_turn_stopped")
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async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
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nonlocal should_stop, stop_message
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should_stop = True
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stop_message = message
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frames_to_send = [
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LLMFullResponseStartFrame(),
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LLMTextFrame("Hello "),
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LLMTextFrame("from "),
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LLMTextFrame("Pipecat!"),
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LLMFullResponseEndFrame(),
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]
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expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
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await run_test(
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aggregator,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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self.assertTrue(should_start)
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self.assertTrue(should_stop)
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self.assertEqual(stop_message.content, "Hello from Pipecat!")
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async def test_interruption(self):
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context = LLMContext()
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aggregator = LLMAssistantAggregator(context)
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should_start = 0
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should_stop = 0
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stop_messages = []
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@aggregator.event_handler("on_assistant_turn_started")
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async def on_assistant_turn_started(aggregator):
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nonlocal should_start
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should_start += 1
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@aggregator.event_handler("on_assistant_turn_stopped")
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async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
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nonlocal should_stop, stop_messages
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should_stop += 1
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stop_messages.append(message)
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frames_to_send = [
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LLMFullResponseStartFrame(),
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LLMTextFrame("Hello "),
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SleepFrame(),
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InterruptionFrame(),
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LLMFullResponseStartFrame(),
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LLMTextFrame("Hello "),
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LLMTextFrame("there!"),
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LLMFullResponseEndFrame(),
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]
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expected_down_frames = [
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LLMContextFrame,
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LLMContextAssistantTimestampFrame,
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InterruptionFrame,
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LLMContextFrame,
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LLMContextAssistantTimestampFrame,
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]
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await run_test(
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aggregator,
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frames_to_send=frames_to_send,
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expected_down_frames=expected_down_frames,
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)
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self.assertEqual(should_start, 2)
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self.assertEqual(should_stop, 2)
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self.assertEqual(stop_messages[0].content, "Hello")
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self.assertEqual(stop_messages[1].content, "Hello there!")
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async def test_thought(self):
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context = LLMContext()
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aggregator = LLMAssistantAggregator(context)
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thought_message = None
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@aggregator.event_handler("on_assistant_thought")
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async def on_assistant_thought(aggregator, message: AssistantThoughtMessage):
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nonlocal thought_message
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thought_message = message
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|
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|
frames_to_send = [
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|
LLMFullResponseStartFrame(),
|
|
LLMThoughtStartFrame(),
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|
LLMThoughtTextFrame(text="I'm thinking!"),
|
|
LLMThoughtEndFrame(),
|
|
LLMFullResponseEndFrame(),
|
|
]
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|
await run_test(aggregator, frames_to_send=frames_to_send)
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self.assertEqual(thought_message.content, "I'm thinking!")
|
|
|
|
async def test_pending_text_emitted_on_end_frame(self):
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|
"""Pending assistant text should be emitted when EndFrame arrives."""
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|
context = LLMContext()
|
|
|
|
aggregator = LLMAssistantAggregator(context)
|
|
|
|
stop_messages = []
|
|
|
|
@aggregator.event_handler("on_assistant_turn_stopped")
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|
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
|
|
stop_messages.append(message)
|
|
|
|
# Start response and send text, but don't send LLMFullResponseEndFrame
|
|
frames_to_send = [
|
|
LLMFullResponseStartFrame(),
|
|
LLMTextFrame("Hello from Pipecat!"),
|
|
# No LLMFullResponseEndFrame - response doesn't end normally
|
|
# EndFrame will be sent by run_test, triggering emission
|
|
]
|
|
await run_test(aggregator, frames_to_send=frames_to_send)
|
|
|
|
# The pending text should be emitted on EndFrame
|
|
self.assertEqual(len(stop_messages), 1)
|
|
self.assertEqual(stop_messages[0].content, "Hello from Pipecat!")
|
|
|
|
async def test_turn_completion_markers_stripped_from_transcript(self):
|
|
"""Turn completion markers should be stripped from assistant transcript."""
|
|
from pipecat.turns.user_turn_completion_mixin import (
|
|
USER_TURN_COMPLETE_MARKER,
|
|
USER_TURN_INCOMPLETE_SHORT_MARKER,
|
|
)
|
|
|
|
context = LLMContext()
|
|
aggregator = LLMAssistantAggregator(context)
|
|
|
|
stop_messages = []
|
|
|
|
@aggregator.event_handler("on_assistant_turn_stopped")
|
|
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
|
|
stop_messages.append(message)
|
|
|
|
# Send text with a turn completion marker
|
|
frames_to_send = [
|
|
LLMFullResponseStartFrame(),
|
|
LLMTextFrame(f"{USER_TURN_COMPLETE_MARKER} Hello from Pipecat!"),
|
|
LLMFullResponseEndFrame(),
|
|
]
|
|
await run_test(aggregator, frames_to_send=frames_to_send)
|
|
|
|
# The marker should be stripped from the transcript
|
|
self.assertEqual(len(stop_messages), 1)
|
|
self.assertEqual(stop_messages[0].content, "Hello from Pipecat!")
|
|
|
|
# Test incomplete markers are also stripped
|
|
stop_messages.clear()
|
|
context2 = LLMContext()
|
|
aggregator2 = LLMAssistantAggregator(context2)
|
|
|
|
@aggregator2.event_handler("on_assistant_turn_stopped")
|
|
async def on_assistant_turn_stopped2(aggregator, message: AssistantTurnStoppedMessage):
|
|
stop_messages.append(message)
|
|
|
|
frames_to_send = [
|
|
LLMFullResponseStartFrame(),
|
|
LLMTextFrame(USER_TURN_INCOMPLETE_SHORT_MARKER),
|
|
LLMFullResponseEndFrame(),
|
|
]
|
|
await run_test(aggregator2, frames_to_send=frames_to_send)
|
|
|
|
# The incomplete marker should be stripped (resulting in empty content)
|
|
self.assertEqual(len(stop_messages), 1)
|
|
self.assertEqual(stop_messages[0].content, "")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|