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dotfiles/tests/ebook_search/test_http.py

145 lines
5.2 KiB
Python

"""Tests for EPUB search HTTP model adapters."""
from __future__ import annotations
from typing import TYPE_CHECKING
import httpx
import pytest
from python.ebook_search.answer import answer_query
from python.ebook_search.config import EbookSearchConfig, RerankConfig
from python.ebook_search.embeddings import embed_texts
from python.ebook_search.llm_interface import check_chat_endpoint, check_embedding_endpoint
from python.ebook_search.search import SearchResult
if TYPE_CHECKING:
from pytest_mock import MockerFixture
def make_async_client(mocker: MockerFixture, fake_post) -> httpx.AsyncClient:
"""Build a mock async client whose post call is served by fake_post."""
client = mocker.MagicMock(spec=httpx.AsyncClient)
client.post = mocker.AsyncMock(side_effect=fake_post)
return client
async def test_model_endpoint_checks_share_http_probe(mocker: MockerFixture) -> None:
client = mocker.MagicMock(spec=httpx.AsyncClient)
response = mocker.MagicMock(spec=httpx.Response)
client.get = mocker.AsyncMock(return_value=response)
config = EbookSearchConfig(
rerank=RerankConfig(enabled=False),
embedding_base_url="https://embedding.example/v1/",
vllm_base_url="https://chat.example/v1/",
vllm_api_key="secret",
)
assert await check_embedding_endpoint(client, config, timeout_seconds=2.0)
assert await check_chat_endpoint(client, config, timeout_seconds=3.0)
assert client.get.await_args_list == [
mocker.call("https://embedding.example/v1/models", headers={}, timeout=2.0),
mocker.call(
"https://chat.example/v1/models",
headers={"Authorization": "Bearer secret"},
timeout=3.0,
),
]
assert response.raise_for_status.call_count == 2
async def test_model_endpoint_checks_report_http_failures(mocker: MockerFixture) -> None:
client = mocker.MagicMock(spec=httpx.AsyncClient)
client.get = mocker.AsyncMock(
side_effect=[
httpx.ConnectError("embedding offline"),
httpx.ConnectError("chat offline"),
]
)
config = EbookSearchConfig(rerank=RerankConfig(enabled=False))
assert not await check_embedding_endpoint(client, config)
assert not await check_chat_endpoint(client, config)
async def test_answer_query_uses_httpx_chat_completions(mocker: MockerFixture) -> None:
captured: dict[str, object] = {}
def fake_post(url: str, **kwargs: object) -> httpx.Response:
captured["url"] = url
captured["kwargs"] = kwargs
return httpx.Response(
200,
json={"choices": [{"message": {"content": "grounded answer"}}]},
request=httpx.Request("POST", url),
)
client = make_async_client(mocker, fake_post)
config = EbookSearchConfig(
rerank=RerankConfig(enabled=False),
vllm_base_url="https://ollama.com/v1",
vllm_api_key="secret",
chat_model="deepseek-v4-flash",
)
results = [SearchResult(chunk_id=1, text="source", source_title="Book")]
answer = await answer_query(client, "question", results, config)
assert answer == "grounded answer"
assert captured["url"] == "https://ollama.com/v1/chat/completions"
kwargs = captured["kwargs"]
assert isinstance(kwargs, dict)
assert kwargs["headers"] == {"Authorization": "Bearer secret"}
payload = kwargs["json"]
assert isinstance(payload, dict)
assert payload["model"] == "deepseek-v4-flash"
assert payload["messages"] == [
{
"role": "system",
"content": "Answer only from the provided context. Cite sources with bracketed numbers like [1]. "
"If the context is insufficient, say so.",
},
{"role": "user", "content": "Question:\nquestion\n\nContext:\n[1] Book\nsource"},
]
async def test_embed_texts_uses_httpx_embeddings(mocker: MockerFixture) -> None:
captured: dict[str, object] = {}
vector = [0.0] * 1024
def fake_post(url: str, **kwargs: object) -> httpx.Response:
captured["url"] = url
captured["kwargs"] = kwargs
return httpx.Response(
200,
json={"data": [{"embedding": vector}]},
request=httpx.Request("POST", url),
)
client = make_async_client(mocker, fake_post)
config = EbookSearchConfig(
rerank=RerankConfig(enabled=False),
embedding_base_url="http://bob:8000/v1",
embedding_model="qwen3-embedding-0.6b",
)
embeddings = await embed_texts(client, ["hello"], config)
assert embeddings == [vector]
assert captured["url"] == "http://bob:8000/v1/embeddings"
kwargs = captured["kwargs"]
assert isinstance(kwargs, dict)
assert kwargs["headers"] == {}
assert kwargs["json"] == {"model": "qwen3-embedding-0.6b", "input": ["hello"]}
async def test_embed_texts_rejects_bad_response_shape(mocker: MockerFixture) -> None:
def fake_post(url: str, **_kwargs: object) -> httpx.Response:
return httpx.Response(200, json={"data": [{}]}, request=httpx.Request("POST", url))
client = make_async_client(mocker, fake_post)
config = EbookSearchConfig(rerank=RerankConfig(enabled=False))
with pytest.raises(RuntimeError, match="Embedding request failed"):
await embed_texts(client, ["hello"], config)