litellm/tests/test_litellm/rerank_api/test_main.py
mateo-berri b46f17faf5 fix(together_ai): default endpoints to api.together.ai instead of api.together.xyz
Together AI moved its canonical API host from api.together.xyz to
api.together.ai. Default the provider api_base and the rerank handler to
the new host, make rerank honor api_base and TOGETHER_AI_API_BASE like
chat already does, map both hosts to together_ai when passed as
api_base, and delete the dead models/info fetch in factory.py.
2026-08-25 10:18:55 -07:00

131 lines
4.5 KiB
Python

import logging
from unittest.mock import MagicMock, patch
import httpx
import pytest
import respx
import litellm
MARKER_QUERY = "MARKER_QUERY_do_not_log_at_info"
MARKER_DOC = "MARKER_DOC_sensitive_customer_text"
def _mock_cohere_response() -> MagicMock:
mock_response = MagicMock()
def return_val():
return {
"id": "cmpl-mockid",
"results": [{"index": 0, "relevance_score": 0.95}],
"meta": {
"api_version": {"version": "1.0"},
"billed_units": {"search_units": 1},
},
}
mock_response.json = return_val
mock_response.headers = {"key": "value"}
mock_response.status_code = 200
return mock_response
def test_rerank_does_not_log_request_content_at_info(caplog):
"""Regression for #32525: rerank must not emit query/documents to logs at INFO.
The mapped ``optional_rerank_params`` (which always contains ``query`` and
``documents``) bypasses ``turn_off_message_logging`` / ``redact_messages``,
so logging it at INFO leaks raw request content into stdout and any log sink.
"""
litellm.cohere_key = "test_api_key"
caplog.set_level(logging.DEBUG, logger="LiteLLM")
with patch(
"litellm.llms.custom_httpx.http_handler.HTTPHandler.post",
return_value=_mock_cohere_response(),
):
litellm.rerank(
model="cohere/rerank-english-v3.0",
query=MARKER_QUERY,
documents=[MARKER_DOC, "unrelated"],
top_n=2,
)
litellm_records = [r for r in caplog.records if r.name == "LiteLLM"]
info_or_above = [
r.getMessage()
for r in litellm_records
if r.levelno >= logging.INFO and (MARKER_QUERY in r.getMessage() or MARKER_DOC in r.getMessage())
]
assert not info_or_above, f"rerank leaked request content at INFO+: {info_or_above}"
optional_params_logs = [r for r in litellm_records if "optional_rerank_params" in r.getMessage()]
assert optional_params_logs, "expected the optional_rerank_params line to be logged"
assert all(
r.levelno == logging.DEBUG for r in optional_params_logs
), "optional_rerank_params must be logged at DEBUG, not INFO"
TOGETHER_RERANK_BODY = {
"id": "rerank-mock-id",
"results": [{"index": 0, "relevance_score": 0.95}],
"usage": {"prompt_tokens": 10, "total_tokens": 10},
}
def test_together_rerank_defaults_to_together_ai_host(respx_mock: respx.MockRouter, monkeypatch):
"""Regression for the Together host migration: rerank used to hardcode
https://api.together.xyz/v1/rerank. The default must now be api.together.ai."""
monkeypatch.delenv("TOGETHER_AI_API_BASE", raising=False)
mock_route = respx_mock.post("https://api.together.ai/v1/rerank")
mock_route.return_value = httpx.Response(200, json=TOGETHER_RERANK_BODY)
response = litellm.rerank(
model="together_ai/mixedbread-ai/mxbai-rerank-large-v2",
query=MARKER_QUERY,
documents=[MARKER_DOC],
api_key="fake-together-key",
)
assert mock_route.called
assert response.results[0]["relevance_score"] == 0.95
def test_together_rerank_honors_api_base(respx_mock: respx.MockRouter):
"""Regression: a custom api_base was silently ignored by the Together rerank handler."""
mock_route = respx_mock.post("https://custom-together.example/v1/rerank")
mock_route.return_value = httpx.Response(200, json=TOGETHER_RERANK_BODY)
litellm.rerank(
model="together_ai/mixedbread-ai/mxbai-rerank-large-v2",
query=MARKER_QUERY,
documents=[MARKER_DOC],
api_key="fake-together-key",
api_base="https://custom-together.example/v1",
)
assert mock_route.called
assert mock_route.calls[0].request.headers["authorization"] == "Bearer fake-together-key"
@pytest.mark.asyncio
async def test_together_rerank_async_honors_env_api_base(respx_mock: respx.MockRouter, monkeypatch):
"""Regression: TOGETHER_AI_API_BASE was honored by chat but ignored by rerank."""
monkeypatch.setenv("TOGETHER_AI_API_BASE", "https://env-together.example/v1")
monkeypatch.setenv("DISABLE_AIOHTTP_TRANSPORT", "True")
mock_route = respx_mock.post("https://env-together.example/v1/rerank")
mock_route.return_value = httpx.Response(200, json=TOGETHER_RERANK_BODY)
response = await litellm.arerank(
model="together_ai/mixedbread-ai/mxbai-rerank-large-v2",
query=MARKER_QUERY,
documents=[MARKER_DOC],
api_key="fake-together-key",
)
assert mock_route.called
assert response.results[0]["relevance_score"] == 0.95