Two interacting bugs caused asyncio.sleep to be mocked globally, letting tarpit_watcher_worker spin the event loop on a non-async mock and accumulate _increment_mock_call records without bound: 1. test_ingester.py patched `decnet.web.ingester.asyncio.sleep` via the asyncio singleton — any code in the process using asyncio.sleep (including the tarpit worker) hit the fake_sleep side_effect. Fix: add `_sleep = asyncio.sleep` alias in ingester.py and patch `decnet.web.ingester._sleep` instead — scopes the mock to ingester. 2. test_api_startup_guards.py called `_run_lifespan_startup` without DECNET_CONTRACT_TEST=true, which started the real tarpit task in a manually-constructed event loop that the tests never cancelled. Fix: set DECNET_CONTRACT_TEST=true inside _run_lifespan_startup so the lifespan skips all background workers.
132 lines
4.5 KiB
Python
132 lines
4.5 KiB
Python
"""Master API startup guards: mode gating + eager JWT load.
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The lifespan is what enforces these. We invoke it directly with a fresh
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FastAPI app instance rather than spinning up a TestClient — TestClient
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fixtures elsewhere set DECNET_JWT_SECRET globally and would mask the
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"missing secret fails at boot" assertion.
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"""
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from __future__ import annotations
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import asyncio
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import importlib
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import sys
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import pytest
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from fastapi import FastAPI
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def _reload_api(monkeypatch: pytest.MonkeyPatch):
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for mod in list(sys.modules):
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if mod == "decnet.env" or mod == "decnet.web.api" or mod.startswith("decnet.env."):
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sys.modules.pop(mod)
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return importlib.import_module("decnet.web.api")
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def _strip_pytest_vars(monkeypatch: pytest.MonkeyPatch) -> None:
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import os
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for k in list(os.environ):
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if k.startswith("PYTEST"):
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monkeypatch.delenv(k, raising=False)
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async def _run_lifespan_startup(api_mod) -> None:
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"""Run the lifespan up to (but not past) yield, then unwind cleanly.
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DECNET_CONTRACT_TEST suppresses all background workers (ingestion,
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collector, TTP, tarpit) so no tasks escape test teardown.
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"""
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import os
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os.environ["DECNET_CONTRACT_TEST"] = "true"
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try:
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app = FastAPI()
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cm = api_mod.lifespan(app)
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await cm.__aenter__()
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try:
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return
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finally:
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try:
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await cm.__aexit__(None, None, None)
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except Exception:
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pass
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finally:
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os.environ.pop("DECNET_CONTRACT_TEST", None)
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def test_master_api_refuses_to_start_in_agent_mode(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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monkeypatch.setenv("DECNET_MODE", "agent")
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monkeypatch.setenv("DECNET_DISALLOW_MASTER", "true")
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monkeypatch.setenv("DECNET_JWT_SECRET", "x" * 32)
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api = _reload_api(monkeypatch)
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with pytest.raises(RuntimeError, match="master-only"):
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asyncio.get_event_loop_policy().new_event_loop().run_until_complete(
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_run_lifespan_startup(api)
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)
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def test_master_api_starts_when_dual_role_enabled(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""DECNET_DISALLOW_MASTER=false is the documented escape hatch for
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dev hosts that play both sides — must not trip the gate."""
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monkeypatch.setenv("DECNET_MODE", "agent")
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monkeypatch.setenv("DECNET_DISALLOW_MASTER", "false")
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monkeypatch.setenv("DECNET_JWT_SECRET", "x" * 32)
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api = _reload_api(monkeypatch)
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# Reaching the DB init phase means the gate passed; we don't need to
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# actually finish startup. Cancel via a synthetic exception that the
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# lifespan doesn't catch.
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# Reaching repo.initialize means the gate passed. We don't actually
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# need DB to come up — short-circuit and assert no master-only raise.
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seen: list[str] = []
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async def _spy(*_a, **_kw):
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seen.append("init_called")
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monkeypatch.setattr(api.repo, "initialize", _spy)
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asyncio.get_event_loop_policy().new_event_loop().run_until_complete(
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_run_lifespan_startup(api)
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)
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assert seen == ["init_called"], "DB init should have been reached, gate must be inert"
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def test_master_api_eager_loads_jwt_secret_at_startup(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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"""The lifespan must touch DECNET_JWT_SECRET so a missing/insecure
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value fails at boot rather than on the first auth-gated request.
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We can't realistically exercise the raise-on-missing path in this
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repo: dev hosts have a populated .env.local that dotenv auto-loads,
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and conftest seeds a JWT secret globally. The actual raise behaviour
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is covered by tests/web/test_env_lazy_jwt.py — here we just assert
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the lifespan calls into the env module's lazy resolver.
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"""
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monkeypatch.setenv("DECNET_MODE", "master")
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monkeypatch.setenv("DECNET_JWT_SECRET", "y" * 32)
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monkeypatch.setenv("DECNET_API_HOST", "127.0.0.1")
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monkeypatch.delenv("DECNET_CORS_ORIGINS", raising=False)
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api = _reload_api(monkeypatch)
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import decnet.env as env_mod
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seen: list[str] = []
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real_getattr = env_mod.__getattr__
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def _spy(name: str) -> str:
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seen.append(name)
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return real_getattr(name)
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monkeypatch.setattr(env_mod, "__getattr__", _spy, raising=False)
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async def _noop_init(*_a, **_kw) -> None:
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return None
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monkeypatch.setattr(api.repo, "initialize", _noop_init)
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asyncio.get_event_loop_policy().new_event_loop().run_until_complete(
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_run_lifespan_startup(api)
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)
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assert "DECNET_JWT_SECRET" in seen, (
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"lifespan must access env.DECNET_JWT_SECRET at startup"
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)
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