Files
call-center/tests/test_ai_voice_asr_provider.py
T

333 lines
12 KiB
Python

from __future__ import annotations
import time
from services.ai_voice_runtime_service.audiosocket import pcm16le_to_wav_bytes
from services.ai_voice_runtime_service.providers import asr as asr_module
class _DummyResponse:
def __init__(self, json_payload: dict | None = None) -> None:
self.content = b"{}"
self._json_payload = json_payload or {}
def raise_for_status(self) -> None:
return None
def json(self) -> dict:
return self._json_payload
def test_yandex_asr_provider_posts_lpcm_with_tts_credential_fallback(monkeypatch):
calls: list[dict] = []
pcm = b"\x01\x00" * 160
wav_bytes = pcm16le_to_wav_bytes(pcm, sample_rate_hz=8000)
class _DummyClient:
def __init__(self, *, timeout: float) -> None:
self.timeout = timeout
def __enter__(self) -> "_DummyClient":
return self
def __exit__(self, exc_type, exc, tb) -> None:
return None
def post(
self,
url: str,
*,
headers: dict[str, str],
params: dict[str, str],
content: bytes,
) -> _DummyResponse:
calls.append(
{
"url": url,
"headers": headers,
"params": params,
"content": content,
"timeout": self.timeout,
}
)
return _DummyResponse({"result": "almaty schedule"})
monkeypatch.delenv("AI_VOICE_ASR_YANDEX_API_KEY", raising=False)
monkeypatch.delenv("AI_VOICE_ASR_YANDEX_IAM_TOKEN", raising=False)
monkeypatch.setenv("AI_VOICE_TTS_YANDEX_API_KEY", "tts-yandex-key")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_API_BASE", "https://stt.example.test")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_FOLDER_ID", "folder-test")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_TIMEOUT_SECONDS", "5")
monkeypatch.setattr(asr_module.httpx, "Client", _DummyClient)
provider = asr_module.YandexSpeechKitASRProvider()
result = provider.transcribe(wav_bytes, language_hint="ru")
assert result.text == "almaty schedule"
assert result.language == "ru-RU"
assert len(calls) == 1
assert calls[0]["url"] == "https://stt.example.test/speech/v1/stt:recognize"
assert calls[0]["headers"]["Authorization"] == "Api-Key tts-yandex-key"
assert calls[0]["headers"]["Content-Type"] == "application/octet-stream"
assert calls[0]["params"]["lang"] == "ru-RU"
assert calls[0]["params"]["format"] == "lpcm"
assert calls[0]["params"]["sampleRateHertz"] == "8000"
assert calls[0]["params"]["topic"] == "general"
assert calls[0]["params"]["folderId"] == "folder-test"
assert calls[0]["content"] == pcm
assert calls[0]["timeout"] == 5.0
def test_yandex_asr_provider_uses_iam_token(monkeypatch):
calls: list[dict] = []
class _DummyClient:
def __init__(self, *, timeout: float) -> None:
self.timeout = timeout
def __enter__(self) -> "_DummyClient":
return self
def __exit__(self, exc_type, exc, tb) -> None:
return None
def post(
self,
url: str,
*,
headers: dict[str, str],
params: dict[str, str],
content: bytes,
) -> _DummyResponse:
calls.append({"url": url, "headers": headers, "params": params, "content": content})
return _DummyResponse({"result": "operator"})
monkeypatch.delenv("AI_VOICE_ASR_YANDEX_API_KEY", raising=False)
monkeypatch.delenv("AI_VOICE_TTS_YANDEX_API_KEY", raising=False)
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_IAM_TOKEN", "iam-token")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_API_BASE", "https://stt.example.test")
monkeypatch.setattr(asr_module.httpx, "Client", _DummyClient)
provider = asr_module.YandexSpeechKitASRProvider()
result = provider.transcribe(b"\x02\x00" * 80, language_hint="kk")
assert result.text == "operator"
assert result.language == "kk-KZ"
assert calls[0]["headers"]["Authorization"] == "Bearer iam-token"
assert calls[0]["params"]["lang"] == "kk-KZ"
def test_yandex_asr_provider_supports_kz_v3_async_rest(monkeypatch):
calls: list[dict] = []
class _DummyClient:
def __init__(self, *, timeout: float) -> None:
self.timeout = timeout
def __enter__(self) -> "_DummyClient":
return self
def __exit__(self, exc_type, exc, tb) -> None:
return None
def post(self, url: str, *, headers: dict[str, str], json: dict) -> _DummyResponse:
calls.append({"method": "POST", "url": url, "headers": headers, "json": json})
return _DummyResponse({"id": "operation-1", "done": True})
def get(
self,
url: str,
*,
headers: dict[str, str],
params: dict[str, str] | None = None,
) -> _DummyResponse:
calls.append({"method": "GET", "url": url, "headers": headers, "params": params or {}})
return _DummyResponse(
{
"finalRefinement": {
"normalizedText": {
"alternatives": [
{
"text": "almaty schedule",
}
]
}
}
}
)
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_API_KEY", "asr-key")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_API_BASE", "https://stt.api.ml.yandexcloud.kz")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_FOLDER_ID", "folder-test")
monkeypatch.setenv("AI_VOICE_ASR_YANDEX_POLL_INTERVAL_SECONDS", "0.05")
monkeypatch.setattr(asr_module.httpx, "Client", _DummyClient)
provider = asr_module.YandexSpeechKitASRProvider()
result = provider.transcribe(b"\x03\x00" * 80, language_hint="ru")
assert result.text == "almaty schedule"
assert result.language == "ru-RU"
assert calls[0]["url"] == "https://stt.api.ml.yandexcloud.kz/stt/v3/recognizeFileAsync"
assert calls[0]["headers"]["Authorization"] == "Api-Key asr-key"
assert calls[0]["headers"]["Content-Type"] == "application/json"
assert calls[0]["headers"]["x-folder-id"] == "folder-test"
assert calls[0]["json"]["recognitionModel"]["audioFormat"]["rawAudio"]["sampleRateHertz"] == "8000"
assert calls[0]["json"]["recognitionModel"]["languageRestriction"]["languageCode"] == ["ru-RU"]
assert calls[1]["url"] == "https://stt.api.ml.yandexcloud.kz/stt/v3/getRecognition"
assert calls[1]["params"] == {"operationId": "operation-1"}
def test_yandex_buffered_streaming_provider_buffers_pcm_until_finalize():
calls: list[dict] = []
class _FakeYandexASR:
def transcribe(self, audio_bytes: bytes, *, language_hint: str | None = None):
calls.append({"audio_bytes": audio_bytes, "language_hint": language_hint})
return asr_module.ASRTranscription(text="need schedule", language=language_hint, confidence=None)
provider = asr_module.YandexSpeechKitBufferedStreamingASRProvider(asr_provider=_FakeYandexASR()) # type: ignore[arg-type]
stream_id = provider.open_stream("session-1", language_hint="ru")
provider.push_pcm(stream_id, b"\x10\x00")
provider.push_pcm(stream_id, b"\x20\x00")
assert provider.poll_partial(stream_id) is None
result = provider.finalize(stream_id)
provider.close_stream(stream_id)
assert result.text == "need schedule"
assert calls == [{"audio_bytes": b"\x10\x00\x20\x00", "language_hint": "ru"}]
def test_yandex_grpc_streaming_provider_returns_partial_and_final():
calls: list[dict] = []
class _Message:
def __init__(self, **kwargs) -> None:
self.__dict__.update(kwargs)
def HasField(self, name: str) -> bool:
return getattr(self, name, None) is not None
class _RawAudio(_Message):
LINEAR16_PCM = 1
class _TextNormalizationOptions(_Message):
TEXT_NORMALIZATION_ENABLED = 1
PHONE_FORMATTING_MODE_DISABLED = 1
class _LanguageRestrictionOptions(_Message):
WHITELIST = 1
class _RecognitionModelOptions(_Message):
REAL_TIME = 1
class _DefaultEouClassifier(_Message):
HIGH = 2
class _FakeSttPb2:
RawAudio = _RawAudio
AudioFormatOptions = _Message
TextNormalizationOptions = _TextNormalizationOptions
LanguageRestrictionOptions = _LanguageRestrictionOptions
RecognitionModelOptions = _RecognitionModelOptions
DefaultEouClassifier = _DefaultEouClassifier
EouClassifierOptions = _Message
StreamingOptions = _Message
StreamingRequest = _Message
AudioChunk = _Message
Eou = _Message
class _FakeChannel:
def close(self) -> None:
calls.append({"method": "close"})
class _FakeGrpc:
@staticmethod
def ssl_channel_credentials():
return "ssl"
@staticmethod
def secure_channel(target: str, credentials):
calls.append({"method": "secure_channel", "target": target, "credentials": credentials})
return _FakeChannel()
class _RecognizerStub:
def __init__(self, channel) -> None:
calls.append({"method": "stub_init", "channel": channel})
def RecognizeStreaming(self, request_iterator, *, metadata, timeout):
calls.append({"method": "recognize", "metadata": metadata, "timeout": timeout})
for request in request_iterator:
calls.append({"method": "request", "request": request})
if getattr(request, "chunk", None) is not None:
yield _Message(
partial=_Message(
alternatives=[
_Message(text="need schedule", confidence=0.7, languages=[]),
]
)
)
continue
if getattr(request, "eou", None) is not None:
yield _Message(
final_refinement=_Message(
normalized_text=_Message(
alternatives=[
_Message(text="need schedule in almaty", confidence=0.91, languages=[]),
]
)
)
)
return
class _FakeGrpcPb2:
RecognizerStub = _RecognizerStub
provider = asr_module.YandexSpeechKitGrpcStreamingASRProvider(
api_key="asr-key",
grpc_target="stt.test:443",
timeout_seconds=3,
grpc_module=_FakeGrpc,
stt_pb2_module=_FakeSttPb2,
stt_service_pb2_grpc_module=_FakeGrpcPb2,
)
stream_id = provider.open_stream("session-1", language_hint="ru")
provider.push_pcm(stream_id, b"\x10\x00\x20\x00")
partial = None
for _ in range(20):
partial = provider.poll_partial(stream_id)
if partial is not None:
break
time.sleep(0.02)
assert partial is not None
assert partial.text == "need schedule"
assert partial.is_final is False
final = provider.finalize(stream_id)
provider.close_stream(stream_id)
assert final.text == "need schedule in almaty"
recognize_call = next(call for call in calls if call.get("method") == "recognize")
assert ("authorization", "Api-Key asr-key") in recognize_call["metadata"]
requests = [call["request"] for call in calls if call.get("method") == "request"]
assert getattr(requests[0], "session_options", None) is not None
assert getattr(requests[1], "chunk", None).data == b"\x10\x00\x20\x00"
assert getattr(requests[-1], "eou", None) is not None
def test_yandex_asr_builders():
assert isinstance(asr_module.build_asr_provider("yandex"), asr_module.YandexSpeechKitASRProvider)
assert isinstance(asr_module.build_asr_provider("speechkit"), asr_module.YandexSpeechKitASRProvider)
assert isinstance(
asr_module.build_streaming_asr_provider("yandex_speechkit"),
asr_module.YandexSpeechKitGrpcStreamingASRProvider,
)
assert isinstance(
asr_module.build_streaming_asr_provider("yandex_speechkit_buffered"),
asr_module.YandexSpeechKitBufferedStreamingASRProvider,
)