Restore legacy poo inbound dispatch

tests/test_homeassistant_inbound.py

@@ -1,5 +1,21 @@
 from sqlalchemy import text
 
+import app.db as app_db
+import app.poo_db as poo_db
+from app.config import Settings, get_settings
+from app.dependencies import get_app_settings, get_homeassistant_client
+from app.main import create_app
+
+
+class _FakeHomeAssistantClient:
+    def __init__(self) -> None:
+        self.sensor_calls: list[dict] = []
+
+    def publish_sensor(self, *, entity_id: str, state: str, attributes: dict | None = None) -> None:
+        self.sensor_calls.append(
+            {"entity_id": entity_id, "state": state, "attributes": attributes or {}}
+        )
+
 
 def test_homeassistant_publish_records_location(location_client) -> None:
     client, engine = location_client
@@ -141,6 +157,148 @@ def test_homeassistant_publish_rejects_invalid_ticktick_content(location_client)
     assert response.text == "bad request"
 
 
+def test_homeassistant_publish_poo_get_latest_publishes_latest_status(
+    ready_location_database,
+    ready_poo_database,
+    auth_database,
+    monkeypatch,
+) -> None:
+    location_engine = app_db.create_engine(
+        ready_location_database["location_url"],
+        connect_args={"check_same_thread": False},
+    )
+    location_session_local = app_db.sessionmaker(
+        bind=location_engine,
+        autoflush=False,
+        autocommit=False,
+    )
+    poo_engine = poo_db.create_engine(
+        ready_poo_database["poo_url"],
+        connect_args={"check_same_thread": False},
+    )
+    poo_session_local = poo_db.sessionmaker(
+        bind=poo_engine,
+        autoflush=False,
+        autocommit=False,
+    )
+    fake_ha = _FakeHomeAssistantClient()
+    settings = Settings(
+        poo_sensor_entity_name="sensor.test_poo_status",
+        poo_sensor_friendly_name="Poo Status",
+    )
+
+    monkeypatch.setattr(app_db, "engine", location_engine)
+    monkeypatch.setattr(app_db, "SessionLocal", location_session_local)
+    monkeypatch.setattr(poo_db, "poo_engine", poo_engine)
+    monkeypatch.setattr(poo_db, "PooSessionLocal", poo_session_local)
+
+    test_app = create_app()
+    test_app.dependency_overrides[get_homeassistant_client] = lambda: fake_ha
+    test_app.dependency_overrides[get_app_settings] = lambda: settings
+
+    with poo_engine.begin() as conn:
+        conn.execute(
+            text(
+                "INSERT INTO poo_records (timestamp, status, latitude, longitude) "
+                "VALUES (:timestamp, :status, :latitude, :longitude)"
+            ),
+            {
+                "timestamp": "2026-04-20T10:05Z",
+                "status": "done",
+                "latitude": 1.23,
+                "longitude": 4.56,
+            },
+        )
+
+    try:
+        from fastapi.testclient import TestClient
+
+        with TestClient(test_app) as client:
+            response = client.post(
+                "/homeassistant/publish",
+                json={
+                    "target": "poo_recorder",
+                    "action": "get_latest",
+                    "content": "",
+                },
+            )
+
+        assert response.status_code == 200
+        assert response.text == ""
+        assert len(fake_ha.sensor_calls) == 1
+        assert fake_ha.sensor_calls[0]["entity_id"] == "sensor.test_poo_status"
+        assert fake_ha.sensor_calls[0]["state"] == "done"
+        assert fake_ha.sensor_calls[0]["attributes"]["friendly_name"] == "Poo Status"
+        assert fake_ha.sensor_calls[0]["attributes"]["last_poo"]
+    finally:
+        test_app.dependency_overrides.clear()
+        get_settings.cache_clear()
+        location_engine.dispose()
+        poo_engine.dispose()
+
+
+def test_homeassistant_publish_returns_internal_error_for_unknown_poo_action(
+    ready_location_database,
+    ready_poo_database,
+    auth_database,
+    monkeypatch,
+) -> None:
+    location_engine = app_db.create_engine(
+        ready_location_database["location_url"],
+        connect_args={"check_same_thread": False},
+    )
+    location_session_local = app_db.sessionmaker(
+        bind=location_engine,
+        autoflush=False,
+        autocommit=False,
+    )
+    poo_engine = poo_db.create_engine(
+        ready_poo_database["poo_url"],
+        connect_args={"check_same_thread": False},
+    )
+    poo_session_local = poo_db.sessionmaker(
+        bind=poo_engine,
+        autoflush=False,
+        autocommit=False,
+    )
+    fake_ha = _FakeHomeAssistantClient()
+    settings = Settings(
+        poo_sensor_entity_name="sensor.test_poo_status",
+        poo_sensor_friendly_name="Poo Status",
+    )
+
+    monkeypatch.setattr(app_db, "engine", location_engine)
+    monkeypatch.setattr(app_db, "SessionLocal", location_session_local)
+    monkeypatch.setattr(poo_db, "poo_engine", poo_engine)
+    monkeypatch.setattr(poo_db, "PooSessionLocal", poo_session_local)
+
+    test_app = create_app()
+    test_app.dependency_overrides[get_homeassistant_client] = lambda: fake_ha
+    test_app.dependency_overrides[get_app_settings] = lambda: settings
+
+    try:
+        from fastapi.testclient import TestClient
+
+        with TestClient(test_app) as client:
+            response = client.post(
+                "/homeassistant/publish",
+                json={
+                    "target": "poo_recorder",
+                    "action": "unknown_action",
+                    "content": "",
+                },
+            )
+
+        assert response.status_code == 500
+        assert response.text == "internal server error"
+        assert fake_ha.sensor_calls == []
+    finally:
+        test_app.dependency_overrides.clear()
+        get_settings.cache_clear()
+        location_engine.dispose()
+        poo_engine.dispose()
+
+
 def test_homeassistant_publish_returns_not_implemented_for_unknown_location_action(
     location_client,
 ) -> None: