SurfSense/surfsense_backend/tests/unit/services/test_provider_api_base.py

107 lines
3.6 KiB
Python

"""Unit tests for the shared ``api_base`` resolver.
The cascade exists so vision and image-gen call sites can't silently
inherit ``litellm.api_base`` (commonly set by ``AZURE_OPENAI_ENDPOINT``)
when an OpenRouter / Groq / etc. config ships an empty string. See
``provider_api_base`` module docstring for the original repro
(OpenRouter image-gen 404-ing against an Azure endpoint).
"""
from __future__ import annotations
import pytest
from app.services.provider_api_base import (
PROVIDER_DEFAULT_API_BASE,
PROVIDER_KEY_DEFAULT_API_BASE,
resolve_api_base,
)
pytestmark = pytest.mark.unit
def test_config_value_wins_over_defaults():
"""A non-empty config value is always returned verbatim, even when the
provider has a default — the operator gets the last word."""
result = resolve_api_base(
provider="OPENROUTER",
provider_prefix="openrouter",
config_api_base="https://my-openrouter-mirror.example.com/v1",
)
assert result == "https://my-openrouter-mirror.example.com/v1"
def test_provider_key_default_when_config_missing():
"""``DEEPSEEK`` shares the ``openai`` LiteLLM prefix but has its own
base URL — the provider-key map must take precedence over the prefix
map so DeepSeek requests don't go to OpenAI."""
result = resolve_api_base(
provider="DEEPSEEK",
provider_prefix="openai",
config_api_base=None,
)
assert result == PROVIDER_KEY_DEFAULT_API_BASE["DEEPSEEK"]
def test_provider_prefix_default_when_no_key_default():
result = resolve_api_base(
provider="OPENROUTER",
provider_prefix="openrouter",
config_api_base=None,
)
assert result == PROVIDER_DEFAULT_API_BASE["openrouter"]
def test_unknown_provider_returns_none():
"""When neither map matches we return ``None`` so the caller can let
LiteLLM apply its own provider-integration default (Azure deployment
URL, custom-provider URL, etc.)."""
result = resolve_api_base(
provider="SOMETHING_NEW",
provider_prefix="something_new",
config_api_base=None,
)
assert result is None
def test_empty_string_config_treated_as_missing():
"""The original bug: OpenRouter dynamic configs ship ``api_base=""``
and downstream call sites use ``if cfg.get("api_base"):`` — empty
strings are falsy in Python but the cascade has to step in anyway."""
result = resolve_api_base(
provider="OPENROUTER",
provider_prefix="openrouter",
config_api_base="",
)
assert result == PROVIDER_DEFAULT_API_BASE["openrouter"]
def test_whitespace_only_config_treated_as_missing():
"""A config value of ``" "`` is a configuration mistake — treat it
as missing instead of forwarding whitespace to LiteLLM (which would
almost certainly 404)."""
result = resolve_api_base(
provider="OPENROUTER",
provider_prefix="openrouter",
config_api_base=" ",
)
assert result == PROVIDER_DEFAULT_API_BASE["openrouter"]
def test_provider_case_insensitive():
"""Some call sites pass the provider lowercase (DB enum value), others
uppercase (YAML key). Both must resolve."""
upper = resolve_api_base(
provider="DEEPSEEK", provider_prefix="openai", config_api_base=None
)
lower = resolve_api_base(
provider="deepseek", provider_prefix="openai", config_api_base=None
)
assert upper == lower == PROVIDER_KEY_DEFAULT_API_BASE["DEEPSEEK"]
def test_all_inputs_none_returns_none():
assert (
resolve_api_base(provider=None, provider_prefix=None, config_api_base=None)
is None
)