test: refactor suite to use AsyncClient, in-memory DBs, and parallel coverage

tests/api/fleet/test_get_deckies.py

@@ -1,16 +1,12 @@
-from fastapi.testclient import TestClient
-from decnet.web.api import app
+import pytest
+import httpx
 from decnet.env import DECNET_ADMIN_USER, DECNET_ADMIN_PASSWORD
 
-def test_get_deckies_endpoint(mock_state_file):
-    with TestClient(app) as _client:
-        # Login to get token
-        _login_resp = _client.post("/api/v1/auth/login", json={"username": DECNET_ADMIN_USER, "password": DECNET_ADMIN_PASSWORD})
-        _token = _login_resp.json()["access_token"]
-        
-        _response = _client.get("/api/v1/deckies", headers={"Authorization": f"Bearer {_token}"})
-        assert _response.status_code == 200
-        _data = _response.json()
-        assert len(_data) == 2
-        assert _data[0]["name"] == "test-decky-1"
-        assert _data[0]["service_config"]["ssh"]["banner"] == "SSH-2.0-OpenSSH_8.9"
+@pytest.mark.anyio
+async def test_get_deckies_endpoint(mock_state_file, client: httpx.AsyncClient, auth_token: str):
+    _response = await client.get("/api/v1/deckies", headers={"Authorization": f"Bearer {auth_token}"})
+    assert _response.status_code == 200
+    _data = _response.json()
+    assert len(_data) == 2
+    assert _data[0]["name"] == "test-decky-1"
+    assert _data[0]["service_config"]["ssh"]["banner"] == "SSH-2.0-OpenSSH_8.9"