Yep. AI rewrote the whole thing.

Downterm/CommandNotchTests/AppSettingsStoreTests.swift

@@ -0,0 +1,38 @@
+import XCTest
+@testable import CommandNotch
+
+final class AppSettingsStoreTests: XCTestCase {
+    func testLoadReturnsDefaultValuesWhenStoreIsEmpty() {
+        let defaults = UserDefaults(suiteName: #function)!
+        defaults.removePersistentDomain(forName: #function)
+        defer { defaults.removePersistentDomain(forName: #function) }
+
+        let store = UserDefaultsAppSettingsStore(defaults: defaults)
+
+        XCTAssertEqual(store.load(), .default)
+    }
+
+    func testSaveRoundTripsSettings() {
+        let defaults = UserDefaults(suiteName: #function)!
+        defaults.removePersistentDomain(forName: #function)
+        defer { defaults.removePersistentDomain(forName: #function) }
+
+        let store = UserDefaultsAppSettingsStore(defaults: defaults)
+        var settings = AppSettings.default
+        settings.display.showMenuBarIcon = false
+        settings.display.showOnAllDisplays = false
+        settings.display.openWidth = 900
+        settings.behavior.minimumHoverDuration = 0.65
+        settings.appearance.blurRadius = 4.5
+        settings.terminal.fontSize = 16
+        settings.terminal.themeRawValue = TerminalTheme.dracula.rawValue
+        settings.terminal.sizePresetsJSON = TerminalSizePresetStore.encodePresets([
+            TerminalSizePreset(name: "Wide", width: 960, height: 420, hotkey: .cmdShiftDigit(4))
+        ])
+        settings.hotkeys.toggle = .cmdD
+
+        store.save(settings)
+
+        XCTAssertEqual(store.load(), settings)
+    }
+}