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aiturk-hermes-ide/tests/gateway/test_history_media_current_turn.py
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Python

"""Regression: current-turn TTS media must not be dedup-stripped (#B, staging 2026-07-29).
_history_media_paths_for_session feeds the delivery-time dedup that stops the
model re-sending files it already delivered in PRIOR turns. The agent persists
transcript rows as it produces them, so by delivery time the CURRENT turn's
tool results (e.g. text_to_speech's MEDIA-tagged JSON) are already in the
persisted transcript. The old implementation excluded only the trailing
assistant entry — leaving this turn's tool rows in "history", so a fresh TTS
path deduped against ITSELF and the attachment was silently stripped
(`response_delivery_dropped`: user saw TTS succeed but no audio arrive).
Contract: everything from the LAST USER MESSAGE onward is the current turn and
must be excluded from the dedup set; genuinely-prior turns must stay in it.
"""
from __future__ import annotations
from typing import Any, Dict, List, Optional
from gateway.config import PlatformConfig, Platform
from gateway.platforms.base import BasePlatformAdapter, SendResult
class _StubStore:
def __init__(self, transcript: List[Dict[str, Any]]) -> None:
self._transcript = transcript
def load_transcript(self, session_id: str) -> List[Dict[str, Any]]:
return list(self._transcript)
class _StubAdapter(BasePlatformAdapter):
"""Minimal concrete adapter (BasePlatformAdapter is abstract)."""
def __init__(self, transcript: List[Dict[str, Any]]) -> None:
super().__init__(PlatformConfig(), Platform.API_SERVER)
self._session_store = _StubStore(transcript)
async def start(self) -> None: # pragma: no cover - unused
pass
async def stop(self) -> None: # pragma: no cover - unused
pass
async def connect(self, *, is_reconnect: bool = False) -> bool: # pragma: no cover - unused
return True
async def disconnect(self) -> None: # pragma: no cover - unused
pass
async def get_chat_info(self, chat_id): # pragma: no cover - unused
return {}
async def send(self, chat_id, content, reply_to=None, metadata=None) -> SendResult: # pragma: no cover - unused
return SendResult(success=True)
def _tts_tool_row(path: str) -> Dict[str, Any]:
return {
"role": "tool",
"content": (
'{"success": true, "file_path": "%s", "media_tag": "MEDIA:%s"}'
% (path, path)
),
}
def test_current_turn_tts_media_not_treated_as_history():
"""This turn's TTS output (persisted before delivery) must NOT be deduped."""
current = "/opt/data/cache/audio/tts_now.mp3"
transcript = [
{"role": "user", "content": "hi"},
{"role": "assistant", "content": "hello"},
# ── current turn ──
{"role": "user", "content": "say it out loud"},
{"role": "assistant", "content": "", "tool_calls": [{}]},
_tts_tool_row(current),
{"role": "assistant", "content": f"MEDIA:{current}"},
]
adapter = _StubAdapter(transcript)
paths: Optional[set] = adapter._history_media_paths_for_session("k")
assert not paths or current not in paths
def test_prior_turn_media_still_deduped():
"""A file delivered in a PRIOR turn stays in the dedup set."""
old = "/opt/data/cache/audio/tts_old.mp3"
transcript = [
{"role": "user", "content": "speak"},
{"role": "assistant", "content": "", "tool_calls": [{}]},
_tts_tool_row(old),
{"role": "assistant", "content": f"MEDIA:{old}"},
# ── current turn ──
{"role": "user", "content": "thanks"},
{"role": "assistant", "content": "you're welcome"},
]
adapter = _StubAdapter(transcript)
paths = adapter._history_media_paths_for_session("k")
assert paths and old in paths
def test_no_user_row_falls_back_to_trailing_assistant_exclusion():
"""Unusual store shape (no user rows): keep the old safe behavior."""
old = "/opt/data/cache/audio/tts_only.mp3"
transcript = [
_tts_tool_row(old),
{"role": "assistant", "content": f"MEDIA:{old}"},
]
adapter = _StubAdapter(transcript)
# Only guarantee: it does not crash and returns a set-or-None; the tool
# row (not excludable without a user anchor) may keep the path present.
result = adapter._history_media_paths_for_session("k")
assert result is None or isinstance(result, set)