Files
DECNET/tests/vectorstore/test_factory.py

67 lines
2.5 KiB
Python

"""Tests for :func:`decnet.vectorstore.factory.get_vectorstore` dispatch."""
from __future__ import annotations
import os
import pytest
from decnet.vectorstore.factory import _default_db_path, get_vectorstore
from decnet.vectorstore.fake import FakeVectorStore, NullVectorStore
def test_disabled_returns_null(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setenv("DECNET_VECTORSTORE_ENABLED", "false")
monkeypatch.setenv("DECNET_VECTORSTORE_TYPE", "sqlite_vec") # ignored when disabled
s = get_vectorstore()
assert isinstance(s, NullVectorStore)
def test_fake_dispatch(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setenv("DECNET_VECTORSTORE_ENABLED", "true")
monkeypatch.setenv("DECNET_VECTORSTORE_TYPE", "fake")
s = get_vectorstore()
assert isinstance(s, FakeVectorStore)
def test_sqlite_vec_falls_back_to_fake_when_extension_missing(
monkeypatch: pytest.MonkeyPatch,
) -> None:
"""The factory must degrade gracefully when sqlite_vec isn't installed:
log a warning, return FakeVectorStore. Workers stay alive instead of
crashing on a missing optional dep."""
monkeypatch.setenv("DECNET_VECTORSTORE_ENABLED", "true")
monkeypatch.setenv("DECNET_VECTORSTORE_TYPE", "sqlite_vec")
# Force the import to fail regardless of what's actually installed,
# so this test is deterministic on dev boxes that have the extension.
import builtins
real_import = builtins.__import__
def _fake_import(name, *a, **kw): # noqa: ANN001
if name == "sqlite_vec":
raise ImportError("forced")
return real_import(name, *a, **kw)
monkeypatch.setattr(builtins, "__import__", _fake_import)
s = get_vectorstore()
assert isinstance(s, FakeVectorStore)
def test_unknown_type_raises(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setenv("DECNET_VECTORSTORE_ENABLED", "true")
monkeypatch.setenv("DECNET_VECTORSTORE_TYPE", "qdrant")
with pytest.raises(ValueError, match="Unsupported vectorstore type"):
get_vectorstore()
def test_default_db_path_honors_env(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setenv("DECNET_VECTORSTORE_PATH", "/tmp/explicit.sqlite")
assert _default_db_path() == "/tmp/explicit.sqlite"
def test_default_db_path_falls_back_to_home(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.delenv("DECNET_VECTORSTORE_PATH", raising=False)
monkeypatch.setattr("os.path.isdir", lambda p: False)
p = _default_db_path()
assert p.endswith(".decnet/vectors.sqlite")
assert p.startswith(os.path.expanduser("~"))