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276 lines
9.2 KiB
Python

"""Tests for application/stt/openai_stt.py"""
from pathlib import Path
from unittest.mock import MagicMock, patch, mock_open
import pytest
@pytest.mark.unit
class TestOpenAISTTInit:
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_init_defaults_from_settings(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-from-settings"
mock_settings.API_KEY = "sk-fallback"
mock_settings.OPENAI_BASE_URL = "https://custom.api.com/v1"
mock_settings.OPENAI_STT_MODEL = "whisper-1"
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
assert stt.api_key == "sk-from-settings"
assert stt.base_url == "https://custom.api.com/v1"
assert stt.model == "whisper-1"
mock_openai_cls.assert_called_once_with(
api_key="sk-from-settings",
base_url="https://custom.api.com/v1",
)
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_init_explicit_params_override_settings(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-settings"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT(
api_key="sk-explicit",
base_url="https://explicit.api.com",
model="whisper-2",
)
assert stt.api_key == "sk-explicit"
assert stt.base_url == "https://explicit.api.com"
assert stt.model == "whisper-2"
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_init_falls_back_to_api_key(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = None
mock_settings.API_KEY = "sk-fallback-key"
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
assert stt.api_key == "sk-fallback-key"
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_init_default_base_url(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
assert stt.base_url == "https://api.openai.com/v1"
@pytest.mark.unit
class TestOpenAISTTTranscribe:
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_transcribe_basic(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
mock_client = MagicMock()
mock_openai_cls.return_value = mock_client
mock_response = MagicMock()
mock_response.model_dump.return_value = {
"text": "Hello world",
"language": "en",
"duration": 2.5,
"segments": [],
}
mock_client.audio.transcriptions.create.return_value = mock_response
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
file_path = Path("/tmp/test_audio.wav")
with patch("builtins.open", mock_open(read_data=b"audio_data")):
result = stt.transcribe(file_path)
assert result["text"] == "Hello world"
assert result["language"] == "en"
assert result["duration_s"] == 2.5
assert result["segments"] == []
assert result["provider"] == "openai"
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_transcribe_with_language(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
mock_client = MagicMock()
mock_openai_cls.return_value = mock_client
mock_response = MagicMock()
mock_response.model_dump.return_value = {
"text": "Bonjour",
"language": "fr",
"duration": 1.0,
"segments": [],
}
mock_client.audio.transcriptions.create.return_value = mock_response
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
file_path = Path("/tmp/test_audio.wav")
with patch("builtins.open", mock_open(read_data=b"audio_data")):
result = stt.transcribe(file_path, language="fr")
assert result["language"] == "fr"
call_kwargs = mock_client.audio.transcriptions.create.call_args[1]
assert call_kwargs["language"] == "fr"
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_transcribe_with_timestamps(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
mock_client = MagicMock()
mock_openai_cls.return_value = mock_client
segment_obj = MagicMock()
segment_obj.model_dump.return_value = {
"start": 0.0,
"end": 1.5,
"text": "Hello",
}
mock_response = MagicMock()
mock_response.model_dump.return_value = {
"text": "Hello",
"language": "en",
"duration": 1.5,
"segments": [segment_obj],
}
mock_client.audio.transcriptions.create.return_value = mock_response
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
file_path = Path("/tmp/test_audio.wav")
with patch("builtins.open", mock_open(read_data=b"audio_data")):
result = stt.transcribe(file_path, timestamps=True)
call_kwargs = mock_client.audio.transcriptions.create.call_args[1]
assert call_kwargs["timestamp_granularities"] == ["segment"]
assert len(result["segments"]) == 1
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_transcribe_no_segments_key(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
mock_client = MagicMock()
mock_openai_cls.return_value = mock_client
mock_response = MagicMock()
mock_response.model_dump.return_value = {
"text": "Hello",
}
mock_client.audio.transcriptions.create.return_value = mock_response
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
file_path = Path("/tmp/test_audio.wav")
with patch("builtins.open", mock_open(read_data=b"audio_data")):
result = stt.transcribe(file_path)
assert result["text"] == "Hello"
assert result["segments"] == []
@patch("application.stt.openai_stt.OpenAI")
@patch("application.stt.openai_stt.settings")
def test_transcribe_language_fallback_to_param(self, mock_settings, mock_openai_cls):
mock_settings.OPENAI_API_KEY = "sk-test"
mock_settings.API_KEY = None
mock_settings.OPENAI_BASE_URL = None
mock_settings.OPENAI_STT_MODEL = "whisper-1"
mock_client = MagicMock()
mock_openai_cls.return_value = mock_client
mock_response = MagicMock()
mock_response.model_dump.return_value = {
"text": "Test",
"language": None,
"duration": 1.0,
}
mock_client.audio.transcriptions.create.return_value = mock_response
from application.stt.openai_stt import OpenAISTT
stt = OpenAISTT()
file_path = Path("/tmp/test_audio.wav")
with patch("builtins.open", mock_open(read_data=b"audio_data")):
result = stt.transcribe(file_path, language="de")
assert result["language"] == "de"
@pytest.mark.unit
class TestOpenAISTTToDict:
def test_to_dict_with_model_dump(self):
from application.stt.openai_stt import OpenAISTT
obj = MagicMock()
obj.model_dump.return_value = {"key": "value"}
result = OpenAISTT._to_dict(obj)
assert result == {"key": "value"}
def test_to_dict_with_dict(self):
from application.stt.openai_stt import OpenAISTT
result = OpenAISTT._to_dict({"key": "value"})
assert result == {"key": "value"}
def test_to_dict_with_other_type(self):
from application.stt.openai_stt import OpenAISTT
result = OpenAISTT._to_dict("string_value")
assert result == {}
def test_to_dict_with_none(self):
from application.stt.openai_stt import OpenAISTT
result = OpenAISTT._to_dict(None)
assert result == {}