feat(update): Firmware-Update aus dem Ordner mit Einmal-URLs und WLAN-Sicherung

tests/conftest.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 
 from collections.abc import Generator
 from copy import deepcopy
+from pathlib import Path
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
 
@@ -101,3 +102,11 @@ def mock_setup_entry() -> Generator[AsyncMock]:
     """Flow tests must not set the entry up for real."""
     with patch("custom_components.ninlight.async_setup_entry", return_value=True) as mock:
         yield mock
+
+
+@pytest.fixture(autouse=True)
+def firmware_dir(tmp_path: Path) -> Generator[Path]:
+    """Every Home Assistant test gets its own, initially empty firmware folder."""
+    directory = tmp_path / "ninlight_firmware"
+    with patch("custom_components.ninlight.shared.firmware_directory", return_value=directory):
+        yield directory