Files
pipecat/tests/test_context_aggregators_universal.py

960 lines
33 KiB
Python

#
# Copyright (c) 2024-2026, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
import json
import unittest
from pipecat.frames.frames import (
BotStartedSpeakingFrame,
BotStoppedSpeakingFrame,
FunctionCallFromLLM,
FunctionCallInProgressFrame,
FunctionCallResultFrame,
FunctionCallResultProperties,
FunctionCallsStartedFrame,
InterimTranscriptionFrame,
InterruptionFrame,
LLMContextAssistantTimestampFrame,
LLMContextFrame,
LLMFullResponseEndFrame,
LLMFullResponseStartFrame,
LLMMessagesAppendFrame,
LLMMessagesUpdateFrame,
LLMRunFrame,
LLMTextFrame,
LLMThoughtEndFrame,
LLMThoughtStartFrame,
LLMThoughtTextFrame,
StartFrame,
TextFrame,
TranscriptionFrame,
TranslationFrame,
UserMuteStartedFrame,
UserStartedSpeakingFrame,
UserStoppedSpeakingFrame,
VADUserStartedSpeakingFrame,
VADUserStoppedSpeakingFrame,
)
from pipecat.pipeline.pipeline import Pipeline
from pipecat.processors.aggregators.llm_context import LLMContext
from pipecat.processors.aggregators.llm_response_universal import (
AssistantThoughtMessage,
AssistantTurnStoppedMessage,
LLMAssistantAggregator,
LLMUserAggregator,
LLMUserAggregatorParams,
)
from pipecat.tests.utils import SleepFrame, run_test
from pipecat.turns.user_mute import (
FirstSpeechUserMuteStrategy,
FunctionCallUserMuteStrategy,
MuteUntilFirstBotCompleteUserMuteStrategy,
)
from pipecat.turns.user_stop import SpeechTimeoutUserTurnStopStrategy
from pipecat.turns.user_turn_strategies import UserTurnStrategies
USER_TURN_STOP_TIMEOUT = 0.2
TRANSCRIPTION_TIMEOUT = 0.1
class TestLLMUserAggregator(unittest.IsolatedAsyncioTestCase):
async def test_llm_run(self):
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [LLMRunFrame()]
expected_down_frames = [LLMContextFrame]
await run_test(
pipeline,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
async def test_llm_messages_append(self):
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
LLMMessagesAppendFrame(
messages=[
{
"role": "user",
"content": "Hi there!",
}
]
)
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
assert context.messages[0]["content"] == "Hi there!"
async def test_llm_messages_append_run(self):
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
LLMMessagesAppendFrame(
messages=[
{
"role": "user",
"content": "Hi there!",
}
],
run_llm=True,
)
]
expected_down_frames = [LLMContextFrame]
await run_test(
pipeline,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == "Hi there!"
async def test_llm_messages_update(self):
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
LLMMessagesUpdateFrame(
messages=[
{
"role": "user",
"content": "Hi there!",
}
]
)
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
assert context.messages[0]["content"] == "Hi there!"
async def test_llm_messages_update_run(self):
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
LLMMessagesUpdateFrame(
messages=[
{
"role": "user",
"content": "Hi there!",
}
],
run_llm=True,
)
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
assert context.messages[0]["content"] == "Hi there!"
async def test_llm_messages_update_does_not_inject_turn_completion_into_context(self):
context = LLMContext()
params = LLMUserAggregatorParams(filter_incomplete_user_turns=True)
pipeline = Pipeline([LLMUserAggregator(context, params=params)])
new_messages = [
{"role": "system", "content": "You are a helpful assistant."},
{"role": "user", "content": "Hello!"},
]
frames_to_send = [LLMMessagesUpdateFrame(messages=new_messages)]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
# Turn completion instructions are now set via system_instruction on the
# LLM service, not injected into context messages.
assert len(context.messages) == 2
assert context.messages[0]["content"] == "You are a helpful assistant."
assert context.messages[1]["content"] == "Hello!"
async def test_default_user_turn_strategies(self):
context = LLMContext()
user_aggregator = LLMUserAggregator(
context,
params=LLMUserAggregatorParams(
user_turn_strategies=UserTurnStrategies(
stop=[
SpeechTimeoutUserTurnStopStrategy(user_speech_timeout=TRANSCRIPTION_TIMEOUT)
],
),
),
)
should_start = None
should_stop = None
stop_message = None
@user_aggregator.event_handler("on_user_turn_started")
async def on_user_turn_started(aggregator, strategy):
nonlocal should_start
should_start = True
@user_aggregator.event_handler("on_user_turn_stopped")
async def on_user_turn_stopped(aggregator, strategy, message):
nonlocal should_stop, stop_message
should_stop = True
stop_message = message
pipeline = Pipeline([user_aggregator])
frames_to_send = [
VADUserStartedSpeakingFrame(),
TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
SleepFrame(),
VADUserStoppedSpeakingFrame(),
# Wait for user_speech_timeout to elapse
SleepFrame(sleep=TRANSCRIPTION_TIMEOUT + 0.1),
]
expected_down_frames = [
VADUserStartedSpeakingFrame,
UserStartedSpeakingFrame,
InterruptionFrame,
VADUserStoppedSpeakingFrame,
UserStoppedSpeakingFrame,
LLMContextFrame,
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
self.assertTrue(should_start)
self.assertTrue(should_stop)
self.assertEqual(stop_message.content, "Hello!")
async def test_user_turn_stop_timeout_no_transcription(self):
context = LLMContext()
user_aggregator = LLMUserAggregator(
context,
params=LLMUserAggregatorParams(user_turn_stop_timeout=USER_TURN_STOP_TIMEOUT),
)
should_start = None
should_stop = None
timeout = None
@user_aggregator.event_handler("on_user_turn_started")
async def on_user_turn_started(aggregator, strategy):
nonlocal should_start
should_start = True
@user_aggregator.event_handler("on_user_turn_stopped")
async def on_user_turn_stopped(aggregator, strategy, message):
nonlocal should_stop
should_stop = True
@user_aggregator.event_handler("on_user_turn_stop_timeout")
async def on_user_turn_stop_timeout(aggregator):
nonlocal timeout
timeout = True
pipeline = Pipeline([user_aggregator])
frames_to_send = [
VADUserStartedSpeakingFrame(),
VADUserStoppedSpeakingFrame(),
SleepFrame(sleep=USER_TURN_STOP_TIMEOUT + 0.1),
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
self.assertTrue(should_start)
self.assertTrue(should_stop)
self.assertTrue(timeout)
async def test_user_turn_stop_timeout_transcription(self):
context = LLMContext()
user_aggregator = LLMUserAggregator(
context,
params=LLMUserAggregatorParams(
user_turn_strategies=UserTurnStrategies(
stop=[
SpeechTimeoutUserTurnStopStrategy(user_speech_timeout=TRANSCRIPTION_TIMEOUT)
],
),
user_turn_stop_timeout=USER_TURN_STOP_TIMEOUT,
),
)
should_start = None
should_stop = None
stop_message = None
timeout = None
@user_aggregator.event_handler("on_user_turn_started")
async def on_user_turn_started(aggregator, strategy):
nonlocal should_start
should_start = True
@user_aggregator.event_handler("on_user_turn_stopped")
async def on_user_turn_stopped(aggregator, strategy, message):
nonlocal should_stop, stop_message
should_stop = True
stop_message = message
@user_aggregator.event_handler("on_user_turn_stop_timeout")
async def on_user_turn_stop_timeout(aggregator):
nonlocal timeout
timeout = True
pipeline = Pipeline([user_aggregator])
# Transcript arrives before VAD stop, then we wait for user_speech_timeout
frames_to_send = [
VADUserStartedSpeakingFrame(),
TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
VADUserStoppedSpeakingFrame(),
# Wait for user_speech_timeout (TRANSCRIPTION_TIMEOUT=0.1s) to elapse
SleepFrame(sleep=TRANSCRIPTION_TIMEOUT + 0.05),
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
# The transcription strategy should kick-in before the user turn end timeout.
self.assertTrue(should_start)
self.assertTrue(should_stop)
self.assertEqual(stop_message.content, "Hello!")
self.assertFalse(timeout)
async def test_user_mute_strategies(self):
context = LLMContext()
user_aggregator = LLMUserAggregator(
context,
params=LLMUserAggregatorParams(
user_mute_strategies=[
FirstSpeechUserMuteStrategy(),
FunctionCallUserMuteStrategy(),
]
),
)
user_turn = False
@user_aggregator.event_handler("on_user_turn_started")
async def on_user_turn_started(aggregator, strategy):
nonlocal user_turn
user_turn = True
pipeline = Pipeline([user_aggregator])
frames_to_send = [
# Bot is speaking, user should be muted.
BotStartedSpeakingFrame(),
VADUserStartedSpeakingFrame(),
VADUserStoppedSpeakingFrame(),
TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
SleepFrame(),
BotStoppedSpeakingFrame(),
# Function call is executing, user should be muted.
FunctionCallsStartedFrame(
function_calls=[
FunctionCallFromLLM(
function_name="fn_1", tool_call_id="1", arguments={}, context=None
)
]
),
SleepFrame(),
VADUserStartedSpeakingFrame(),
VADUserStoppedSpeakingFrame(),
TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
FunctionCallResultFrame(
function_name="fn_1", tool_call_id="1", arguments={}, result={}
),
SleepFrame(),
]
await run_test(
pipeline,
frames_to_send=frames_to_send,
)
# The user mute strategies should have muted the user.
self.assertFalse(user_turn)
async def test_pending_transcription_emitted_on_end_frame(self):
"""Pending user transcription should be emitted when EndFrame arrives."""
context = LLMContext()
user_aggregator = LLMUserAggregator(context)
stop_messages = []
@user_aggregator.event_handler("on_user_turn_stopped")
async def on_user_turn_stopped(aggregator, strategy, message):
stop_messages.append((strategy, message))
pipeline = Pipeline([user_aggregator])
# Start turn and send transcription, but don't trigger normal turn stop
frames_to_send = [
VADUserStartedSpeakingFrame(),
TranscriptionFrame(text="Hello!", user_id="", timestamp="now"),
# No VADUserStoppedSpeakingFrame - turn doesn't stop normally
# EndFrame will be sent by run_test, triggering emission
]
await run_test(pipeline, frames_to_send=frames_to_send)
# The pending transcription should be emitted on EndFrame
self.assertEqual(len(stop_messages), 1)
strategy, message = stop_messages[0]
self.assertIsNone(strategy) # strategy is None for end/cancel
self.assertEqual(message.content, "Hello!")
async def test_start_frame_before_mute_event(self):
"""StartFrame must reach downstream before mute events are broadcast.
With MuteUntilFirstBotCompleteUserMuteStrategy, the mute logic should
not run on control frames (StartFrame, EndFrame, CancelFrame). This
ensures StartFrame reaches downstream processors before
UserMuteStartedFrame is broadcast.
The default TurnAnalyzerUserTurnStopStrategy broadcasts a
SpeechControlParamsFrame when it processes StartFrame, which gets
re-queued to the aggregator. That non-control frame legitimately
triggers the mute state change, so UserMuteStartedFrame follows
StartFrame — but crucially, after it.
"""
context = LLMContext()
user_aggregator = LLMUserAggregator(
context,
params=LLMUserAggregatorParams(
user_mute_strategies=[MuteUntilFirstBotCompleteUserMuteStrategy()],
),
)
pipeline = Pipeline([user_aggregator])
# run_test internally sends StartFrame via PipelineRunner. With
# ignore_start=False we can verify ordering: StartFrame must arrive
# before UserMuteStartedFrame. Before the fix, UserMuteStartedFrame
# was broadcast before StartFrame reached downstream processors.
(down_frames, _) = await run_test(
pipeline,
frames_to_send=[],
expected_down_frames=[StartFrame, UserMuteStartedFrame],
ignore_start=False,
)
async def test_interim_transcription_not_pushed_downstream(self):
"""InterimTranscriptionFrame should be consumed and not pushed downstream."""
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
InterimTranscriptionFrame(text="Hel", user_id="", timestamp="now"),
InterimTranscriptionFrame(text="Hello", user_id="", timestamp="now"),
]
# The interim transcription triggers a user turn start via the default
# TranscriptionUserTurnStartStrategy, so we expect turn-related frames
# but NOT the InterimTranscriptionFrame itself.
expected_down_frames = [
UserStartedSpeakingFrame,
InterruptionFrame,
]
(down_frames, _) = await run_test(
pipeline,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
self.assertFalse(any(isinstance(f, InterimTranscriptionFrame) for f in down_frames))
async def test_translation_not_pushed_downstream(self):
"""TranslationFrame should be consumed and not pushed downstream."""
context = LLMContext()
pipeline = Pipeline([LLMUserAggregator(context)])
frames_to_send = [
TranslationFrame(text="Hola!", user_id="", timestamp="now", language="es"),
]
# No downstream frames expected — translations are consumed.
await run_test(
pipeline,
frames_to_send=frames_to_send,
expected_down_frames=[],
)
class TestLLMAssistantAggregator(unittest.IsolatedAsyncioTestCase):
async def test_empty(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
should_start = None
should_stop = None
stop_message = None
@aggregator.event_handler("on_assistant_turn_started")
async def on_assistant_turn_started(aggregator):
nonlocal should_start
should_start = True
@aggregator.event_handler("on_assistant_turn_stopped")
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
nonlocal should_stop, stop_message
should_stop = True
stop_message = message
frames_to_send = [LLMFullResponseStartFrame(), LLMFullResponseEndFrame()]
await run_test(aggregator, frames_to_send=frames_to_send)
self.assertTrue(should_start)
self.assertIsNone(should_stop)
self.assertIsNone(stop_message)
async def test_simple(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
should_start = None
should_stop = None
stop_message = None
@aggregator.event_handler("on_assistant_turn_started")
async def on_assistant_turn_started(aggregator):
nonlocal should_start
should_start = True
@aggregator.event_handler("on_assistant_turn_stopped")
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
nonlocal should_stop, stop_message
should_stop = True
stop_message = message
frames_to_send = [
LLMFullResponseStartFrame(),
LLMTextFrame("Hello from Pipecat!"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
self.assertTrue(should_start)
self.assertTrue(should_stop)
self.assertEqual(stop_message.content, "Hello from Pipecat!")
async def test_multiple(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
should_start = None
should_stop = None
stop_message = None
@aggregator.event_handler("on_assistant_turn_started")
async def on_assistant_turn_started(aggregator):
nonlocal should_start
should_start = True
@aggregator.event_handler("on_assistant_turn_stopped")
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
nonlocal should_stop, stop_message
should_stop = True
stop_message = message
frames_to_send = [
LLMFullResponseStartFrame(),
LLMTextFrame("Hello "),
LLMTextFrame("from "),
LLMTextFrame("Pipecat!"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
self.assertTrue(should_start)
self.assertTrue(should_stop)
self.assertEqual(stop_message.content, "Hello from Pipecat!")
async def test_multiple_text_with_spaces(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
def make_text_frame(text: str) -> TextFrame:
frame = TextFrame(text=text)
frame.includes_inter_frame_spaces = True
return frame
frames_to_send = [
LLMFullResponseStartFrame(),
make_text_frame("Hello "),
make_text_frame("Pipecat. "),
make_text_frame("How are "),
make_text_frame("you?"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == "Hello Pipecat. How are you?"
async def test_multiple_text_stripped(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
frames_to_send = [
LLMFullResponseStartFrame(),
TextFrame(text="Hello"),
TextFrame(text="Pipecat."),
TextFrame(text="How are"),
TextFrame(text="you?"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == "Hello Pipecat. How are you?"
async def test_multiple_text_mixed_spaces(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
def make_text_frame(text: str, includes_spaces: bool) -> TextFrame:
frame = TextFrame(text=text)
frame.includes_inter_frame_spaces = includes_spaces
return frame
frames_to_send = [
LLMFullResponseStartFrame(),
make_text_frame("Hello ", includes_spaces=True),
make_text_frame("Pipecat. ", includes_spaces=True),
make_text_frame("Here's some", includes_spaces=True),
make_text_frame(
" code:", includes_spaces=True
), # Validates ending includes_inter_frame_spaces run with no space
make_text_frame("```python\nprint('Hello, World!')\n```", includes_spaces=False),
make_text_frame(
"```javascript\nconsole.log('Hello, World!');\n```", includes_spaces=False
),
make_text_frame(
" And some more: ", includes_spaces=True
), # Validates starting includes_inter_frame_spaces run with a space and ending it with no space
make_text_frame("```html\n<div>Hello, World!</div>\n```", includes_spaces=False),
make_text_frame(
"Hope that ", includes_spaces=True
), # Validates starting includes_inter_frame_spaces run with no space
make_text_frame("helps!", includes_spaces=True),
LLMFullResponseEndFrame(),
]
expected_down_frames = [LLMContextFrame, LLMContextAssistantTimestampFrame]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == (
"Hello Pipecat. Here's some code: "
"```python\nprint('Hello, World!')\n``` "
"```javascript\nconsole.log('Hello, World!');\n``` "
"And some more: "
"```html\n<div>Hello, World!</div>\n``` "
"Hope that helps!"
)
async def test_multiple_responses(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
def make_text_frame(text: str) -> TextFrame:
frame = TextFrame(text=text)
frame.includes_inter_frame_spaces = True
return frame
frames_to_send = [
LLMFullResponseStartFrame(),
make_text_frame("Hello "),
make_text_frame("Pipecat."),
LLMFullResponseEndFrame(),
LLMFullResponseStartFrame(),
make_text_frame(text="How are "),
make_text_frame(text="you?"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [
LLMContextFrame,
LLMContextAssistantTimestampFrame,
LLMContextFrame,
LLMContextAssistantTimestampFrame,
]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == "Hello Pipecat."
assert context.messages[1]["content"] == "How are you?"
async def test_multiple_responses_interruption(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
def make_text_frame(text: str) -> TextFrame:
frame = TextFrame(text=text)
frame.includes_inter_frame_spaces = True
return frame
frames_to_send = [
LLMFullResponseStartFrame(),
make_text_frame("Hello "),
make_text_frame("Pipecat."),
LLMFullResponseEndFrame(),
SleepFrame(0.15),
InterruptionFrame(),
LLMFullResponseStartFrame(),
make_text_frame("How are "),
make_text_frame("you?"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [
LLMContextFrame,
LLMContextAssistantTimestampFrame,
InterruptionFrame,
LLMContextFrame,
LLMContextAssistantTimestampFrame,
]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert context.messages[0]["content"] == "Hello Pipecat."
assert context.messages[1]["content"] == "How are you?"
async def test_interruption(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
should_start = 0
should_stop = 0
stop_messages = []
@aggregator.event_handler("on_assistant_turn_started")
async def on_assistant_turn_started(aggregator):
nonlocal should_start
should_start += 1
@aggregator.event_handler("on_assistant_turn_stopped")
async def on_assistant_turn_stopped(aggregator, message: AssistantTurnStoppedMessage):
nonlocal should_stop, stop_messages
should_stop += 1
stop_messages.append(message)
frames_to_send = [
LLMFullResponseStartFrame(),
LLMTextFrame("Hello "),
SleepFrame(),
InterruptionFrame(),
LLMFullResponseStartFrame(),
LLMTextFrame("Hello "),
LLMTextFrame("there!"),
LLMFullResponseEndFrame(),
]
expected_down_frames = [
LLMContextFrame,
LLMContextAssistantTimestampFrame,
InterruptionFrame,
LLMContextFrame,
LLMContextAssistantTimestampFrame,
]
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
self.assertEqual(should_start, 2)
self.assertEqual(should_stop, 2)
self.assertEqual(stop_messages[0].content, "Hello")
self.assertEqual(stop_messages[1].content, "Hello there!")
async def test_function_call(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
frames_to_send = [
FunctionCallInProgressFrame(
function_name="get_weather",
tool_call_id="1",
arguments={"location": "Los Angeles"},
cancel_on_interruption=False,
),
SleepFrame(),
FunctionCallResultFrame(
function_name="get_weather",
tool_call_id="1",
arguments={"location": "Los Angeles"},
result={"conditions": "Sunny"},
),
]
expected_down_frames = []
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert json.loads(context.messages[-1]["content"]) == {"conditions": "Sunny"}
async def test_function_call_on_context_updated(self):
context_updated = False
async def on_context_updated():
nonlocal context_updated
context_updated = True
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
frames_to_send = [
FunctionCallInProgressFrame(
function_name="get_weather",
tool_call_id="1",
arguments={"location": "Los Angeles"},
cancel_on_interruption=False,
),
SleepFrame(),
FunctionCallResultFrame(
function_name="get_weather",
tool_call_id="1",
arguments={"location": "Los Angeles"},
result={"conditions": "Sunny"},
properties=FunctionCallResultProperties(on_context_updated=on_context_updated),
),
SleepFrame(),
]
expected_down_frames = []
await run_test(
aggregator,
frames_to_send=frames_to_send,
expected_down_frames=expected_down_frames,
)
assert json.loads(context.messages[-1]["content"]) == {"conditions": "Sunny"}
assert context_updated
async def test_thought(self):
context = LLMContext()
aggregator = LLMAssistantAggregator(context)
thought_message = None
@aggregator.event_handler("on_assistant_thought")
async def on_assistant_thought(aggregator, message: AssistantThoughtMessage):
nonlocal thought_message
thought_message = message
frames_to_send = [
LLMFullResponseStartFrame(),
LLMThoughtStartFrame(),
LLMThoughtTextFrame(text="I'm thinking!"),
LLMThoughtEndFrame(),
LLMFullResponseEndFrame(),
]
await run_test(aggregator, frames_to_send=frames_to_send)
self.assertEqual(thought_message.content, "I'm thinking!")
async def test_pending_text_emitted_on_end_frame(self):
"""Pending assistant text should be emitted when EndFrame arrives."""
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)
# 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()