Files
transcription/tests/providers/test_openrouter.py
T

121 lines
4.5 KiB
Python

"""Tests for transcription.providers.openrouter."""
from types import SimpleNamespace
import pytest
from transcription.config import Settings
from transcription.providers.base import ProviderError, ProviderResponseError
from transcription.providers.openrouter import DEFAULT_OPENROUTER_MODEL, OpenRouterTranscriptionProvider
class _FakeChat:
def __init__(self, response=None, error: Exception | None = None):
self._response = response
self._error = error
self.calls = []
def send(self, **kwargs):
self.calls.append(kwargs)
if self._error:
raise self._error
return self._response
class _FakeClient:
def __init__(self, response=None, error: Exception | None = None):
self.chat = _FakeChat(response=response, error=error)
@pytest.mark.unit
class TestOpenRouterProviderInit:
"""Verify OpenRouter provider initialization behavior."""
def test_model_falls_back_to_default_when_unset(self):
"""Provider uses adapter default model when provider_model is None."""
settings = Settings(openrouter_api_key="test-key", provider_model=None)
provider = OpenRouterTranscriptionProvider(settings=settings, client=_FakeClient())
assert provider.model == DEFAULT_OPENROUTER_MODEL
def test_model_uses_configured_value(self):
"""Provider uses configured provider_model when present."""
settings = Settings(openrouter_api_key="test-key", provider_model="vendor/custom-model")
provider = OpenRouterTranscriptionProvider(settings=settings, client=_FakeClient())
assert provider.model == "vendor/custom-model"
@pytest.mark.unit
class TestOpenRouterProviderTranscribe:
"""Verify OpenRouter request construction and response parsing."""
def test_includes_optional_referer_and_title_when_set(self):
"""Transcribe sends app attribution fields when configured."""
response = {"model": "vendor/model-a", "choices": [{"message": {"content": "Transcript text"}}]}
client = _FakeClient(response=response)
settings = Settings(
openrouter_api_key="test-key",
openrouter_http_referer="https://example.test",
openrouter_app_title="Transcription App",
)
provider = OpenRouterTranscriptionProvider(settings=settings, client=client)
result = provider.transcribe(
prompt_text="Prompt body",
image_bytes=b"img-bytes",
mime_type="image/png",
)
send_call = client.chat.calls[0]
assert send_call["http_referer"] == "https://example.test"
assert send_call["x_open_router_title"] == "Transcription App"
assert result.text == "Transcript text"
def test_parses_successful_response_text(self):
"""Transcribe returns normalized text from a valid response payload."""
response = {
"model": "vendor/model-b",
"choices": [{"message": {"content": [{"text": "Line 1"}, {"text": "Line 2"}]}}],
}
provider = OpenRouterTranscriptionProvider(
settings=Settings(openrouter_api_key="test-key"),
client=_FakeClient(response=response),
)
result = provider.transcribe(
prompt_text="Prompt body",
image_bytes=b"img-bytes",
mime_type="image/jpeg",
)
assert result.text == "Line 1\nLine 2"
assert result.provider == "openrouter"
assert result.model == "vendor/model-b"
def test_maps_sdk_exception_to_provider_error(self):
"""Transcribe converts SDK failures to ProviderError."""
provider = OpenRouterTranscriptionProvider(
settings=Settings(openrouter_api_key="test-key"),
client=_FakeClient(error=RuntimeError("network down")),
)
with pytest.raises(ProviderError):
provider.transcribe(
prompt_text="Prompt body",
image_bytes=b"img-bytes",
mime_type="image/png",
)
def test_raises_on_empty_or_invalid_response(self):
"""Transcribe raises ProviderResponseError for missing completion text."""
provider = OpenRouterTranscriptionProvider(
settings=Settings(openrouter_api_key="test-key"),
client=_FakeClient(response=SimpleNamespace(choices=[])),
)
with pytest.raises(ProviderResponseError):
provider.transcribe(
prompt_text="Prompt body",
image_bytes=b"img-bytes",
mime_type="image/png",
)