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conjurer/tests/integration/test_librarian_query_lifecycle.py
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Librarian: answer each query back to the bot that sent it
So one librarian can serve several bots (test + deploy) instead of firing
every result/pong at a single static CONJURER_MAIN_BOT.

* The bot includes its own callback address (CONJURER_SELF_CALLBACK) in
  every /query and /ping.
* The librarian stores that callback with the query (persisted with the
  request, so a replay after restart still answers the right bot) and, for
  results, in the OUTBOX entry ({target, payload}) so the resender delivers
  to the origin bot even across a librarian restart.
* Pongs go back to the pinging bot too - otherwise a second bot's health
  check would be ponged to the first and always time out, so it could
  never enable its librarian cog.
* Empty callback falls back to MAIN_BOT_ADDRESS, and a legacy OUTBOX entry
  (raw payload, pre-callback) is still delivered to the default bot, so the
  upgrade is seamless.

Tests: per-origin result delivery + legacy-shape fallback (outbox),
busy/idle pong routed to the callback bot vs default (lifecycle). Suite:
58 unit + 52 integration green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-03 18:36:49 +02:00

126 lines
4.1 KiB
Python

"""Integration: the librarian's health/liveness surface.
Two behaviours, both proven against the real Flask app:
* /ping is busy-aware - while a search is grinding it pongs back immediately
WITHOUT queueing (busy is healthy); when idle it routes the ping through the
internal queue for the worker to answer.
* /query_status reports whether a uuid is still known (queued/processing), which
is what the bot's per-query watchdog polls to catch a lost result.
Only the SYNC routes (/ping, /query_status) are exercised - the async /query
route needs flask[async], which the integration job doesn't install, so query
state is seeded directly on the module.
"""
import sys
import types
# conjurer_librarian does `from habanero import Crossref` at import time and
# habanero isn't installed in the integration job. Stub it before importing the
# service (we never build a real Librarian here, so Crossref is just a name).
if "habanero" not in sys.modules:
_habanero = types.ModuleType("habanero")
_habanero.Crossref = object
sys.modules["habanero"] = _habanero
import conjurer_librarian as lib # noqa: E402
def _client(key=None):
lib.API_KEY = key
return lib.app.test_client()
def _reset():
with lib._active_lock:
lib.active_queries.clear()
lib.worker_busy.clear()
while not lib.librarian_queue.empty():
lib.librarian_queue.get()
def test_query_status_known_vs_unknown():
_reset()
client = _client()
with lib._active_lock:
lib.active_queries["abc"] = "queued"
known = client.post("/query_status", json={"UUID": "abc"}).get_json()["data"]
assert known == {"uuid": "abc", "known": True, "state": "queued"}
unknown = client.post("/query_status", json={"UUID": "nope"}).get_json()["data"]
assert unknown == {"uuid": "nope", "known": False, "state": "unknown"}
def test_ping_idle_routes_through_internal_queue(monkeypatch):
_reset()
posted = []
monkeypatch.setattr(lib.requests, "post", lambda *a, **k: posted.append((a, k)))
client = _client()
resp = client.post("/ping", json={"UUID": "ping-idle", "callback": "http://bot-a:5000"})
assert resp.status_code == 200
# Idle => it went onto the internal queue for the worker (carrying the
# callback so the worker pongs the right bot), NOT posted directly.
assert posted == []
assert lib.librarian_queue.get_nowait() == {
"__ping__": "ping-idle",
"callback": "http://bot-a:5000",
}
def test_ping_while_busy_pongs_directly_to_the_pinging_bot(monkeypatch):
_reset()
lib.worker_busy.set() # a search is grinding
posted = []
class _Resp:
status_code = 200
def fake_post(url, json=None, headers=None, timeout=None):
posted.append({"url": url, "json": json})
return _Resp()
monkeypatch.setattr(lib.requests, "post", fake_post)
client = _client()
resp = client.post("/ping", json={"UUID": "ping-busy", "callback": "http://bot-b:5000"})
assert resp.status_code == 200
# Busy => direct pong, NOTHING queued, and it goes to the CALLBACK bot (not
# the static default) so a shared librarian health-checks each bot correctly.
assert lib.librarian_queue.empty()
assert len(posted) == 1
assert posted[0]["json"] == {"__pong__": "ping-busy"}
assert posted[0]["url"] == "http://bot-b:5000" + lib.SEND_RESULTS
def test_ping_without_callback_pongs_to_default_bot(monkeypatch):
_reset()
lib.worker_busy.set()
posted = []
class _Resp:
status_code = 200
monkeypatch.setattr(
lib.requests, "post",
lambda url, **k: posted.append(url) or _Resp(),
)
client = _client()
client.post("/ping", json={"UUID": "ping-nocb"}) # no callback
assert posted == [lib.MAIN_BOT_ADDRESS + lib.SEND_RESULTS]
def test_query_status_enforces_api_key():
_reset()
client = _client(key="secret")
denied = client.post("/query_status", json={"UUID": "x"})
assert denied.status_code == 401
ok = client.post(
"/query_status", json={"UUID": "x"}, headers={"X-Conjurer-Api-Key": "secret"}
)
assert ok.status_code == 200