haiku.rag/tests/test_hooks.py

274 lines
8.4 KiB
Python

import pytest
from haiku.rag.client import HaikuRAG
from haiku.rag.config import Config
from haiku.rag.hooks import ENTRY_POINT_GROUP, Hook, build_hooks
from haiku.rag.store.models.chunk import Chunk
from tests.test_client import _docling_doc, _import
class RecordingHook(Hook):
def __init__(self):
self.events: list[tuple] = []
async def after_ingest(self, client, document):
self.events.append(("ingest", document.id, document.uri))
async def after_delete(self, client, document_id):
self.events.append(("delete", document_id))
class AppendTokenHook(Hook):
def __init__(self, token: str = "expanded"):
self.token = token
async def before_search(self, client, query, filter):
return f"{query} {self.token}", filter
class FilterHook(Hook):
async def before_search(self, client, query, filter):
return query, "uri = 'mem://hooked'"
class ReverseResultsHook(Hook):
async def after_search(self, client, query, results):
self.seen_query = query
return list(reversed(results))
class _EntryPointStub:
def __init__(self, factory):
self._factory = factory
def load(self):
return self._factory
class _BrokenEntryPoint:
def load(self):
raise AssertionError("unreferenced entry point must not be loaded")
def test_build_hooks_unknown_name_raises():
with pytest.raises(ValueError, match=ENTRY_POINT_GROUP):
build_hooks(["missing"], {})
def test_build_hooks_loads_lazily_in_configured_order():
discovered = {
"recording": _EntryPointStub(RecordingHook),
"append": _EntryPointStub(AppendTokenHook),
"broken": _BrokenEntryPoint(),
}
hooks = build_hooks(["append", "recording"], discovered)
assert [type(h) for h in hooks] == [AppendTokenHook, RecordingHook]
def test_client_init_unknown_hook_raises(temp_db_path):
config = Config.model_copy(deep=True)
config.hooks = ["missing"]
with pytest.raises(ValueError, match="missing"):
HaikuRAG(temp_db_path, config=config, create=True)
def test_client_builds_hooks_from_entry_points(temp_db_path, monkeypatch):
class _NamedEntryPoint:
name = "recording"
def load(self):
return RecordingHook
def fake_entry_points(group):
assert group == ENTRY_POINT_GROUP
return [_NamedEntryPoint()]
monkeypatch.setattr("haiku.rag.hooks.entry_points", fake_entry_points)
config = Config.model_copy(deep=True)
config.hooks = ["recording"]
client = HaikuRAG(temp_db_path, config=config, create=True)
assert len(client._hooks) == 1
assert isinstance(client._hooks[0], RecordingHook)
def test_client_without_hooks_builds_none(temp_db_path):
client = HaikuRAG(temp_db_path, create=True)
assert client._hooks == []
async def _capture_repo_search(client):
captured = {}
async def fake_search(query, limit, search_type=None, filter=None, **kwargs):
captured["query"] = query
captured["filter"] = filter
return []
client.chunk_repository.search = fake_search
return captured
@pytest.mark.asyncio
async def test_before_search_hooks_chain_in_order(temp_db_path):
async with HaikuRAG(temp_db_path, create=True) as client:
client._hooks = [AppendTokenHook("one"), AppendTokenHook("two"), FilterHook()]
captured = await _capture_repo_search(client)
await client.search("alpha")
assert captured["query"] == "alpha one two"
assert captured["filter"] == "uri = 'mem://hooked'"
class SpyBeforeSearchHook(Hook):
def __init__(self):
self.called: list[str] = []
async def before_search(self, client, query, filter):
self.called.append(query)
return query, filter
@pytest.mark.asyncio
async def test_before_search_skips_non_text_queries(temp_db_path):
async with HaikuRAG(temp_db_path, create=True) as client:
hook = SpyBeforeSearchHook()
client._hooks = [hook]
captured = {}
async def fake_search(query, limit, search_type=None, filter=None, **kwargs):
captured["query"] = query
return []
client.chunk_repository.search = fake_search
async def fake_embed_image(image):
return [0.1] * Config.embeddings.model.vector_dim
client.store.embedder.embed_image = fake_embed_image
client.store.embedder.supports_images = True
await client.search(b"image-bytes")
assert hook.called == []
@pytest.mark.asyncio
async def test_after_search_transforms_results(temp_db_path):
async with HaikuRAG(temp_db_path, create=True) as client:
hook = ReverseResultsHook()
client._hooks = [hook]
chunks = [
(Chunk(id="c1", content="first", document_id="d1", order=0), 0.9),
(Chunk(id="c2", content="second", document_id="d1", order=1), 0.5),
]
async def fake_search(query, limit, search_type=None, filter=None, **kwargs):
return chunks
client.chunk_repository.search = fake_search
results = await client.search("alpha", include_images=False)
assert [r.content for r in results] == ["second", "first"]
assert hook.seen_query == "alpha"
@pytest.mark.asyncio
async def test_after_ingest_fires_on_import_batch_update(temp_db_path):
spy = RecordingHook()
dim = Config.embeddings.model.vector_dim
async with HaikuRAG(temp_db_path, create=True) as client:
client._hooks = [spy]
doc = await client.import_document(
_docling_doc("a", "Alpha body"),
[Chunk(content="Alpha body", embedding=[0.1] * dim, order=0)],
uri="mem://a",
title="Alpha",
)
assert spy.events == [("ingest", doc.id, "mem://a")]
spy.events.clear()
batch = await client.import_documents(
[
_import("b", "Beta body", uri="mem://b", title="Beta"),
_import("c", "Gamma body", uri="mem://c", title="Gamma"),
]
)
assert spy.events == [
("ingest", batch[0].id, "mem://b"),
("ingest", batch[1].id, "mem://c"),
]
spy.events.clear()
assert doc.id is not None
await client.update_document(
doc.id,
docling_document=_docling_doc("a2", "Alpha updated"),
chunks=[Chunk(content="Alpha updated", embedding=[0.2] * dim, order=0)],
)
assert spy.events == [("ingest", doc.id, "mem://a")]
@pytest.mark.asyncio
async def test_metadata_only_update_does_not_fire_after_ingest(temp_db_path):
spy = RecordingHook()
dim = Config.embeddings.model.vector_dim
async with HaikuRAG(temp_db_path, create=True) as client:
client._hooks = [spy]
doc = await client.import_document(
_docling_doc("a", "Alpha body"),
[Chunk(content="Alpha body", embedding=[0.1] * dim, order=0)],
uri="mem://a",
title="Alpha",
)
assert doc.id is not None
spy.events.clear()
await client.update_document(doc.id, title="Renamed")
assert spy.events == []
@pytest.mark.asyncio
async def test_after_delete_fires_for_cascade(temp_db_path):
spy = RecordingHook()
dim = Config.embeddings.model.vector_dim
async with HaikuRAG(temp_db_path, create=True) as client:
client._hooks = [spy]
parent = await client.import_document(
_docling_doc("p", "Parent body"),
[Chunk(content="Parent body", embedding=[0.1] * dim, order=0)],
uri="mem://parent",
title="Parent",
)
child = await client.import_document(
_docling_doc("k", "Child body"),
[Chunk(content="Child body", embedding=[0.1] * dim, order=0)],
uri="mem://child",
title="Child",
metadata={"parent_uri": "mem://parent"},
)
assert parent.id is not None and child.id is not None
spy.events.clear()
assert await client.delete_document(parent.id) is True
deleted = {event[1] for event in spy.events}
assert deleted == {parent.id, child.id}
assert all(event[0] == "delete" for event in spy.events)
@pytest.mark.asyncio
async def test_delete_missing_document_fires_nothing(temp_db_path):
spy = RecordingHook()
async with HaikuRAG(temp_db_path, create=True) as client:
client._hooks = [spy]
assert await client.delete_document("does-not-exist") is False
assert spy.events == []