feat: Add branding change prompts and corresponding translations for restart notifications

tests/unit/test_config.py

@@ -9,11 +9,14 @@ from webdrop_bridge.config import Config, ConfigurationError
 
 
 @pytest.fixture(autouse=True)
-def clear_env():
+def clear_env(tmp_path):
     """Clear environment variables before each test to avoid persistence."""
     # Save current env
     saved_env = os.environ.copy()
 
+    # Isolate runtime branding state from the developer machine
+    os.environ["WEBDROP_BRANDING_DIR"] = str(tmp_path / "branding")
+
     # Clear relevant variables
     for key in list(os.environ.keys()):
         if key.startswith(

tests/unit/test_main_window.py

@@ -82,6 +82,25 @@ class TestMainWindowInitialization:
         assert window.drag_interceptor is not None
 
 
+class TestSettingsRestartBehavior:
+    """Test restart prompts for settings changes that require a restart."""
+
+    def test_branding_change_prompts_restart(self, qtbot, sample_config):
+        """Changing the active branding should trigger the restart flow."""
+        window = MainWindow(sample_config)
+        qtbot.addWidget(window)
+
+        with patch.object(window, "_handle_branding_change_restart") as mock_restart:
+            with patch("webdrop_bridge.ui.settings_dialog.SettingsDialog") as mock_dialog_cls:
+                mock_dialog = mock_dialog_cls.return_value
+                mock_dialog.exec.side_effect = lambda: setattr(
+                    window.config, "active_branding_id", "agravity"
+                )
+                window._show_settings_dialog()
+
+        mock_restart.assert_called_once()
+
+
 class TestMainWindowDragIntegration:
     """Test drag-and-drop integration."""
 
@@ -207,15 +226,15 @@ class TestMainWindowOpenWith:
         test_file.write_text("test")
 
         call_count = [0]  # Use list to make it mutable in nested function
-        
+
         class _AppChooseResult:
             returncode = 0
             stdout = "TextEdit"  # Simulated chosen app name
-        
+
         class _OpenResult:
             returncode = 0
             stdout = ""
-        
+
         def mock_run(*args, **kwargs):
             """Mock subprocess.run with two different behaviors per call."""
             call_count[0] += 1
@@ -227,8 +246,7 @@ class TestMainWindowOpenWith:
                 return _OpenResult()
             else:
                 raise AssertionError(f"Unexpected call #{call_count[0]} to subprocess.run")
-        
-        
+
         with patch("webdrop_bridge.ui.main_window.sys.platform", "darwin"):
             with patch("webdrop_bridge.ui.main_window.subprocess.run", side_effect=mock_run):
                 assert window._open_with_app_chooser(str(test_file)) is True