Files
border-red-post-nalati/backend/tests/test_exports.py
T

381 lines
16 KiB
Python

"""Export historical protocol fixtures, not domain scores or actual model usage."""
import copy
import hashlib
import json
from datetime import timedelta
from uuid import uuid4
import pytest
from sqlalchemy import event, func, select
from sqlalchemy.orm import Session
from sqlalchemy.orm.attributes import flag_modified
from test_rag import prepare
from test_retrieval import add_item, search
from test_runtime import server
from test_vectors import ToyProvider, text_version, vector_build, vector_publish
from app.models.auth import User
from app.models.catalog import utc_now
from app.models.rag import RagContext
from app.models.retrieval import RetrievalRun
from app.schemas.rag import CompletionOptions
from app.services import exports
from app.services.completions import canonical_json
from app.services.completions import request_body as legacy_body
from app.services.embedding_runtime import get_embedding_provider
PATH = "/api/retrieval/exports"
def download(client, runs, **fields):
return client.post(PATH, json={"run_ids": [r["run_id"] for r in runs], **fields})
def lines(response):
assert response.status_code == 200, response.text
assert response.content.endswith(b"\n")
return [json.loads(line) for line in response.content.rstrip(b"\n").split(b"\n")]
def chunk_run(client):
add_item(client, content="alpha query 合成占位正文")
text_version(client)
response = client.post("/api/retrieval/chunks", json={"query": "alpha"})
assert response.status_code == 200, response.text
return response.json()
def test_mixed_modes_exact_snapshots_manifest_digest_and_optional_contexts(
client, migrated_database
):
add_item(client, content="alpha query\n合成测试正文")
text_ = text_version(client)
client.app.dependency_overrides[get_embedding_provider] = ToyProvider
vector_publish(client, vector_build(client, text_))
runs = []
for path in ["", "/chunks", "/vector", "/hybrid"]:
response = client.post("/api/retrieval" + path, json={"query": "alpha\nquery"})
assert response.status_code == 200, response.text
runs.append(response.json())
context = prepare(client, runs[-1]["run_id"]).json()
client.app.dependency_overrides.pop(get_embedding_provider)
response = download(client, list(reversed(runs)))
records = lines(response)
manifest = records[0]
assert manifest["schema_version"] == "nalati-retrieval-export-v1"
assert manifest["counts"] == {"retrieval_runs": 4, "rag_contexts": 0}
assert manifest["selection"] == {
"run_ids": sorted(r["run_id"] for r in runs),
"include_contexts": False,
}
assert manifest["snapshot_semantics"] == "stored_history_not_current_corpus"
assert manifest["generation_measurements"] == {
"status": "not_called",
"usage": None,
"cost": None,
"currency": None,
}
data = response.content.split(b"\n", 1)[1]
assert hashlib.sha256(data).hexdigest() == manifest["records_sha256"]
assert response.headers["X-Records-SHA256"] == manifest["records_sha256"]
assert response.headers["content-type"] == "application/x-ndjson; charset=utf-8"
assert response.headers["content-disposition"] == (
f'attachment; filename="nalati-retrieval-{manifest["export_id"]}.jsonl"'
)
assert response.headers["cache-control"] == "no-store"
assert response.headers["x-content-type-options"] == "nosniff"
assert [r["payload"] for r in records[1:]] == runs
assert [r["ranking_unit"] for r in records[1:]] == ["knowledge_item", "chunk", "chunk", "chunk"]
repeated = download(client, runs)
assert repeated.content.split(b"\n", 1)[1] == data
assert lines(repeated)[0]["export_id"] != manifest["export_id"]
included = download(client, runs, include_contexts=True)
all_records = lines(included)
assert all_records[0]["counts"] == {"retrieval_runs": 4, "rag_contexts": 1}
assert all_records[-1] == {
"record_type": "rag_context",
"id": context["id"],
"payload": context,
}
for forbidden in [
b"created_by",
b"password_hash",
b"test_admin",
b"csrf_token",
b"nalati_session",
]:
assert forbidden not in included.content
with Session(migrated_database) as db:
assert db.scalar(select(func.count()).select_from(RetrievalRun)) == 4
assert db.scalar(select(func.count()).select_from(RagContext)) == 1
@pytest.mark.parametrize("profile", ["openai", "deepseek", "bailian", "compatible"])
def test_responses_and_preexisting_chat_snapshots_export_without_rewriting(
client, migrated_database, profile
):
run = chunk_run(client)
new = prepare(
client, run["run_id"], completion={"model": "contract-model", "provider_profile": profile}
).json()
assert new["completion"]["protocol"] == "responses"
assert "messages" not in new["request_body"]
old = prepare(client, run["run_id"]).json()
options = CompletionOptions(model="historical-contract-model")
old["completion"] = options.model_dump(mode="json")
old["request_body"] = legacy_body(old["query"], old["evidence"], options)
old["request_sha256"] = hashlib.sha256(canonical_json(old["request_body"]).encode()).hexdigest()
old["input_characters"] = sum(len(m["content"]) for m in old["request_body"]["messages"])
with Session(migrated_database) as db:
row = db.get(RagContext, old["id"])
row.response = copy.deepcopy(old)
db.commit()
assert client.get(f"/api/rag/contexts/{old['id']}").json() == old
assert client.get(f"/api/rag/contexts/{new['id']}").json() == new
history = client.get("/api/rag/contexts").json()["items"]
assert {x["id"]: x for x in history} == {old["id"]: old, new["id"]: new}
first = download(client, [run], include_contexts=True)
records = lines(first)
snapshots = {x["id"]: x["payload"] for x in records if x["record_type"] == "rag_context"}
assert snapshots == {old["id"]: old, new["id"]: new}
assert "protocol" not in snapshots[old["id"]]["completion"]
assert (
download(client, [run], include_contexts=True).content.split(b"\n", 1)[1]
== first.content.split(b"\n", 1)[1]
)
def test_missing_selection_is_atomic_and_no_evidence_is_exportable(client):
run = search(client, query="没有语料的合成问题")
assert run["status"] == "no_evidence"
missing = download(client, [run, {"run_id": str(uuid4())}])
assert missing.status_code == 404 and "Content-Disposition" not in missing.headers
assert "manifest" not in missing.text
assert lines(download(client, [run]))[1]["payload"] == run
@pytest.mark.parametrize(
"payload",
[
{},
{"run_ids": []},
{"run_ids": ["not-a-uuid"]},
{"run_ids": [str(uuid4()) for _ in range(101)]},
{"run_ids": [str(uuid4())], "include_contexts": "true"},
{"run_ids": [str(uuid4())], "api_key": "test-secret-not-echoed"},
],
)
def test_selection_validation_rejects_unsafe_or_unbounded_input(client, payload):
response = client.post(PATH, json=payload)
assert response.status_code == 422
assert "test-secret-not-echoed" not in response.text
def test_duplicate_uuids_are_rejected_after_normalization(client):
run = search(client)
response = client.post(PATH, json={"run_ids": [run["run_id"], run["run_id"].upper()]})
assert response.status_code == 422
def test_admin_origin_csrf_and_no_auth_data_in_errors(anonymous_client, migrated_database):
payload = {"run_ids": [str(uuid4())]}
assert anonymous_client.post(PATH, json=payload).status_code == 401
credentials = {"username": "export_user", "password": "test-password-123"}
assert anonymous_client.post("/api/auth/register", json=credentials).status_code == 201
login = anonymous_client.post("/api/auth/login", json=credentials).json()
anonymous_client.headers["X-CSRF-Token"] = login["csrf_token"]
assert anonymous_client.post(PATH, json=payload).status_code == 403
with Session(migrated_database) as db:
user = db.scalar(select(User).where(User.username == credentials["username"]))
user.role = "admin"
db.commit()
token = anonymous_client.headers.pop("X-CSRF-Token")
assert anonymous_client.post(PATH, json=payload).status_code == 403
anonymous_client.headers["X-CSRF-Token"] = token
assert (
anonymous_client.post(
PATH, json=payload, headers={"Origin": "https://example.com"}
).status_code
== 403
)
assert anonymous_client.post(PATH, json=payload).status_code == 404
def test_export_retains_history_after_catalog_deletion_and_context_is_no_generation(client):
add_item(client, content="alpha query 合成正文")
text_version(client)
run = client.post("/api/retrieval/chunks", json={"query": "不存在的词"}).json()
context = prepare(client, run["run_id"]).json()
assert context["status"] == "insufficient_evidence"
item = client.get("/api/knowledge").json()[0]
assert (
client.delete(f"/api/knowledge/{item['id']}?expected_version={item['version']}").status_code
== 204
)
result = lines(download(client, [run], include_contexts=True))
assert result[1]["payload"] == run and result[2]["payload"] == context
assert result[2]["payload"]["model_called"] is False
@pytest.mark.parametrize(
"change", ["id", "mode", "query", "fingerprint", "created_at", "unknown", "score_type"]
)
def test_corrupt_run_fails_without_partial_download_or_private_error(
client, migrated_database, change
):
add_item(client, content="alpha 合成正文")
run = search(client, query="alpha")
with Session(migrated_database) as db:
row = db.get(RetrievalRun, run["run_id"])
raw = copy.deepcopy(row.response)
if change == "id":
raw["run_id"] = str(uuid4())
elif change == "mode":
row.mode = "vector"
elif change == "query":
row.query = "private-test-data"
elif change == "fingerprint":
row.corpus_fingerprint = "f" * 64
elif change == "created_at":
row.created_at += timedelta(seconds=1)
elif change == "unknown":
raw["api_key"] = "private-test-data"
else:
raw["results"][0]["score"] = "NaN"
row.response = raw
db.commit()
response = download(client, [run])
assert response.status_code == 409
assert (
"Content-Disposition" not in response.headers and "private-test-data" not in response.text
)
@pytest.mark.parametrize(
"change",
[
"request",
"request_numeric",
"hash",
"link",
"catalog_revision",
"model_called",
"creator_extra",
],
)
def test_corrupt_context_fails_atomically(client, migrated_database, change):
run = chunk_run(client)
context = prepare(client, run["run_id"]).json()
with Session(migrated_database) as db:
row = db.get(RagContext, context["id"])
raw = copy.deepcopy(row.response)
if change == "request":
raw["request_body"]["api_key"] = "private-test-data"
elif change == "request_numeric":
# Python equality alone treats True == 1; the actual wire body/hash must not.
raw["request_body"]["n"] = True
elif change == "hash":
raw["request_sha256"] = "f" * 64
elif change == "link":
raw["retrieval_run_id"] = str(uuid4())
elif change == "catalog_revision":
raw["catalog_revision"] += 1
elif change == "model_called":
raw["model_called"] = True
else:
raw["created_by"] = "private-test-data"
row.response = raw
# SQLAlchemy's Python comparison otherwise considers JSON true equal to 1.
flag_modified(row, "response")
db.commit()
if change == "request_numeric":
db.refresh(row)
assert row.response["request_body"]["n"] is True
response = download(client, [run], include_contexts=True)
assert response.status_code == 409 and "Content-Disposition" not in response.headers
assert "private-test-data" not in response.text
assert download(client, [run]).status_code == 200
@pytest.mark.parametrize("boundary", ["record", "manifest"])
def test_utf8_byte_cap_rejects_whole_file_including_manifest(client, monkeypatch, boundary):
run = search(client, query="多字节中文合成问题")
original = download(client, [run])
full_size = len(original.content)
record_size = len(original.content.split(b"\n", 1)[1])
monkeypatch.setattr(
exports, "MAX_BYTES", record_size - 1 if boundary == "record" else full_size - 1
)
response = download(client, [run])
assert response.status_code == 413 and "Content-Disposition" not in response.headers
assert client.get(f"/api/retrieval/runs/{run['run_id']}").json() == run
monkeypatch.setattr(exports, "MAX_BYTES", full_size)
assert len(download(client, [run]).content) == full_size
def copied_context(context, run_id, actor):
raw = copy.deepcopy(context)
raw.update(id=str(uuid4()), created_at=utc_now().isoformat())
return RagContext(
id=raw["id"],
retrieval_run_id=run_id,
created_by=actor,
response=raw,
created_at=raw["created_at"],
)
def test_context_capacity_rejects_instead_of_truncating(client, migrated_database):
run = chunk_run(client)
context = prepare(client, run["run_id"]).json()
with Session(migrated_database) as db:
actor = db.scalar(select(RagContext.created_by))
db.add_all(copied_context(context, run["run_id"], actor) for _ in range(100))
db.commit()
assert download(client, [run]).status_code == 200
response = download(client, [run], include_contexts=True)
assert response.status_code == 413 and "Content-Disposition" not in response.headers
with Session(migrated_database) as db:
assert db.scalar(select(func.count()).select_from(RagContext)) == 101
def test_one_statement_snapshot_excludes_concurrent_context_insert(client, migrated_database):
run = chunk_run(client)
context = prepare(client, run["run_id"]).json()
with Session(migrated_database) as db:
# Separate fixture actor avoids the authentication row lock held by the export request.
actor = User(username="snapshot_fixture", password_hash="not-a-login-hash", role="user")
db.add(actor)
db.commit()
actor_id = actor.id
inserted = False
def concurrent_insert(connection, cursor, statement, parameters, context_, many):
nonlocal inserted
if not inserted and "UNION ALL" in statement and "rag_contexts" in statement:
inserted = True
with Session(migrated_database) as db:
db.add(copied_context(context, run["run_id"], actor_id))
db.commit()
event.listen(migrated_database, "after_cursor_execute", concurrent_insert)
try:
result = lines(download(client, [run], include_contexts=True))
finally:
event.remove(migrated_database, "after_cursor_execute", concurrent_insert)
assert inserted and result[0]["counts"]["rag_contexts"] == 1
assert lines(download(client, [run], include_contexts=True))[0]["counts"]["rag_contexts"] == 2
def test_http_export_records_and_digest_survive_process_restart(migrated_database):
with server(migrated_database) as client:
run = search(client, query="HTTP导出合成问题")
first = download(client, [run])
assert first.status_code == 200
with server(migrated_database) as client:
second = download(client, [run])
assert second.status_code == 200
assert second.content.split(b"\n", 1)[1] == first.content.split(b"\n", 1)[1]
assert second.headers["X-Records-SHA256"] == first.headers["X-Records-SHA256"]