test(health): assert healthz_failed log on 503 (#26)

tests/test_health.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import logging
+
 from sqlalchemy.exc import OperationalError
 
 from quartermaster.db import get_session
@@ -13,7 +15,7 @@ def test_healthz_returns_ok(client):
     assert response.json() == {"status": "ok"}
 
 
-def test_healthz_returns_503_when_db_check_raises():
+def test_healthz_returns_503_when_db_check_raises(caplog):
     app = create_app()
 
     def broken_session():
@@ -32,6 +34,7 @@ def test_healthz_returns_503_when_db_check_raises():
 
     app.dependency_overrides[get_session] = broken_session
 
+    caplog.set_level(logging.WARNING, logger="quartermaster.health")
     with TestClient(app) as client:
         response = client.get("/healthz")
 
@@ -39,3 +42,8 @@ def test_healthz_returns_503_when_db_check_raises():
     body = response.json()
     assert body["status"] == "error"
     assert body["detail"] == "OperationalError"
+
+    failed = [r for r in caplog.records if getattr(r, "event", None) == "healthz_failed"]
+    assert len(failed) == 1
+    assert failed[0].levelname == "WARNING"
+    assert failed[0].error_class == "OperationalError"