Refactor radar system

python_app/tests/gui_test_support.py

@@ -0,0 +1,29 @@
+"""Construct desktop fixtures without touching a running application's resources."""
+
+from pathlib import Path
+import json
+import os
+import tempfile
+from unittest import mock
+
+from python_app.gui.app_window import AppWindow
+
+
+def isolated_window(add_cleanup) -> AppWindow:
+    temporary = tempfile.TemporaryDirectory(prefix="radar_gui_test_")
+    add_cleanup(temporary.cleanup)
+    root = Path(temporary.name)
+    source = Path(__file__).resolve().parents[2]
+    payload = json.loads((source / "run_config_examples/run_config_simulator.example.json").read_text(encoding="utf-8"))
+    for name, ring in payload["rings"].items():
+        ring["name"] = f"/{root.name}_{name}"
+    payload["run"]["processing_live_config_path"] = str(root / "python_app/runtime/processing_live.json")
+    payload["control_button"]["enabled"] = False
+    profile = root / "run_config.json"
+    profile.write_text(json.dumps(payload), encoding="utf-8")
+    with mock.patch.dict(os.environ, {
+        "RADAR_SYSTEM_PROFILE": str(profile), "RADAR_SYSTEM_AUTO_START": "0",
+        "RADAR_SYSTEM_AUTO_APPLY_RADAR": "0",
+    }), mock.patch.object(AppWindow, "_init_web_ui"):
+        window = AppWindow(root)
+    return window