Yep. AI rewrote the whole thing.

Downterm/CommandNotchTests/NotchOrchestratorTests.swift

@@ -0,0 +1,248 @@
+import XCTest
+import Combine
+@testable import CommandNotch
+
+@MainActor
+final class NotchOrchestratorTests: XCTestCase {
+    func testHoverOpenSchedulesOpenAfterDelay() {
+        let screenID = "screen-a"
+        let screen = makeScreenContext(screenID: screenID)
+        let registry = TestScreenRegistry(activeScreenID: screenID, screens: [screen])
+        let host = TestNotchPresentationHost()
+        let scheduler = TestScheduler()
+        let orchestrator = NotchOrchestrator(
+            screenRegistry: registry,
+            host: host,
+            settingsController: makeSettingsController(),
+            scheduler: scheduler
+        )
+
+        orchestrator.handleHoverChange(true, for: screenID)
+        XCTAssertEqual(screen.notchState, .closed)
+
+        scheduler.runScheduledActions()
+
+        XCTAssertEqual(screen.notchState, .open)
+        XCTAssertEqual(host.openedScreenIDs, [screenID])
+    }
+
+    func testHoverExitCancelsPendingOpen() {
+        let screenID = "screen-a"
+        let screen = makeScreenContext(screenID: screenID)
+        let registry = TestScreenRegistry(activeScreenID: screenID, screens: [screen])
+        let host = TestNotchPresentationHost()
+        let scheduler = TestScheduler()
+        let orchestrator = NotchOrchestrator(
+            screenRegistry: registry,
+            host: host,
+            settingsController: makeSettingsController(),
+            scheduler: scheduler
+        )
+
+        orchestrator.handleHoverChange(true, for: screenID)
+        orchestrator.handleHoverChange(false, for: screenID)
+
+        scheduler.runScheduledActions()
+
+        XCTAssertEqual(screen.notchState, .closed)
+        XCTAssertTrue(host.openedScreenIDs.isEmpty)
+    }
+
+    func testCloseWhileHoveringSuppressesReopenUntilHoverExit() {
+        let screenID = "screen-a"
+        let screen = makeScreenContext(screenID: screenID)
+        let registry = TestScreenRegistry(activeScreenID: screenID, screens: [screen])
+        let host = TestNotchPresentationHost()
+        let scheduler = TestScheduler()
+        let orchestrator = NotchOrchestrator(
+            screenRegistry: registry,
+            host: host,
+            settingsController: makeSettingsController(),
+            scheduler: scheduler
+        )
+
+        orchestrator.handleHoverChange(true, for: screenID)
+        scheduler.runScheduledActions()
+        XCTAssertEqual(screen.notchState, .open)
+
+        orchestrator.handleHoverChange(true, for: screenID)
+        orchestrator.close(screenID: screenID)
+        scheduler.runScheduledActions()
+
+        XCTAssertEqual(screen.notchState, .closed)
+        XCTAssertFalse(screen.isCloseTransitionActive)
+        XCTAssertTrue(screen.suppressHoverOpenUntilHoverExit)
+        XCTAssertEqual(host.closedScreenIDs, [screenID])
+
+        scheduler.runScheduledActions()
+        XCTAssertEqual(screen.notchState, .closed)
+        XCTAssertEqual(host.openedScreenIDs, [screenID])
+
+        orchestrator.handleHoverChange(false, for: screenID)
+        XCTAssertFalse(screen.suppressHoverOpenUntilHoverExit)
+    }
+
+    func testOpeningSharedWorkspaceOnAnotherScreenClosesPreviousPresenter() {
+        let workspaceID = UUID()
+        let firstScreen = makeScreenContext(screenID: "screen-a", workspaceID: workspaceID)
+        let secondScreen = makeScreenContext(screenID: "screen-b", workspaceID: workspaceID)
+        let registry = TestScreenRegistry(activeScreenID: "screen-b", screens: [firstScreen, secondScreen])
+        let host = TestNotchPresentationHost()
+        let orchestrator = NotchOrchestrator(
+            screenRegistry: registry,
+            host: host,
+            settingsController: makeSettingsController(),
+            scheduler: TestScheduler()
+        )
+
+        orchestrator.open(screenID: "screen-a")
+        orchestrator.open(screenID: "screen-b")
+
+        XCTAssertEqual(firstScreen.notchState, .closed)
+        XCTAssertEqual(secondScreen.notchState, .open)
+        XCTAssertEqual(host.closedScreenIDs, ["screen-a"])
+        XCTAssertEqual(registry.presentingScreenID(for: workspaceID), "screen-b")
+    }
+
+    func testOpeningDifferentWorkspaceDoesNotCloseOtherOpenScreen() {
+        let firstScreen = makeScreenContext(screenID: "screen-a", workspaceID: UUID())
+        let secondScreen = makeScreenContext(screenID: "screen-b", workspaceID: UUID())
+        let registry = TestScreenRegistry(activeScreenID: "screen-b", screens: [firstScreen, secondScreen])
+        let host = TestNotchPresentationHost()
+        let orchestrator = NotchOrchestrator(
+            screenRegistry: registry,
+            host: host,
+            settingsController: makeSettingsController(),
+            scheduler: TestScheduler()
+        )
+
+        orchestrator.open(screenID: "screen-a")
+        orchestrator.open(screenID: "screen-b")
+
+        XCTAssertEqual(firstScreen.notchState, .open)
+        XCTAssertEqual(secondScreen.notchState, .open)
+        XCTAssertTrue(host.closedScreenIDs.isEmpty)
+        XCTAssertEqual(registry.presentingScreenID(for: firstScreen.workspaceID), "screen-a")
+        XCTAssertEqual(registry.presentingScreenID(for: secondScreen.workspaceID), "screen-b")
+    }
+
+    private func makeScreenContext(screenID: ScreenID, workspaceID: WorkspaceID = UUID()) -> ScreenContext {
+        ScreenContext(
+            id: screenID,
+            workspaceID: workspaceID,
+            settingsController: makeSettingsController(),
+            screenProvider: { _ in nil }
+        )
+    }
+
+    private func makeSettingsController() -> AppSettingsController {
+        let store = TestOrchestratorSettingsStore()
+        var settings = AppSettings.default
+        settings.behavior.openNotchOnHover = true
+        settings.behavior.minimumHoverDuration = 0.3
+        store.storedSettings = settings
+        return AppSettingsController(store: store)
+    }
+}
+
+@MainActor
+private final class TestScreenRegistry: ScreenRegistryType {
+    private let activeID: ScreenID
+    private var screensByID: [ScreenID: ScreenContext]
+    private var workspacePresenters: [WorkspaceID: ScreenID] = [:]
+
+    init(activeScreenID: ScreenID, screens: [ScreenContext]) {
+        self.activeID = activeScreenID
+        self.screensByID = Dictionary(uniqueKeysWithValues: screens.map { ($0.id, $0) })
+    }
+
+    func allScreens() -> [ScreenContext] {
+        Array(screensByID.values)
+    }
+
+    func screenContext(for id: ScreenID) -> ScreenContext? {
+        screensByID[id]
+    }
+
+    func activeScreenID() -> ScreenID? {
+        activeID
+    }
+
+    func presentingScreenID(for workspaceID: WorkspaceID) -> ScreenID? {
+        workspacePresenters[workspaceID]
+    }
+
+    func claimWorkspacePresentation(for screenID: ScreenID) -> ScreenID? {
+        guard let workspaceID = screensByID[screenID]?.workspaceID else { return nil }
+        let previous = workspacePresenters[workspaceID]
+        workspacePresenters[workspaceID] = screenID
+        return previous == screenID ? nil : previous
+    }
+
+    func releaseWorkspacePresentation(for screenID: ScreenID) {
+        workspacePresenters = workspacePresenters.filter { $0.value != screenID }
+    }
+}
+
+@MainActor
+private final class TestNotchPresentationHost: NotchPresentationHost {
+    var openedScreenIDs: [ScreenID] = []
+    var closedScreenIDs: [ScreenID] = []
+
+    func canPresentNotch(for screenID: ScreenID) -> Bool {
+        true
+    }
+
+    func performOpenPresentation(for screenID: ScreenID) {
+        openedScreenIDs.append(screenID)
+    }
+
+    func performClosePresentation(for screenID: ScreenID) {
+        closedScreenIDs.append(screenID)
+    }
+}
+
+private final class TestScheduler: SchedulerType {
+    private final class ScheduledAction {
+        let action: @MainActor () -> Void
+        var isCancelled = false
+
+        init(action: @escaping @MainActor () -> Void) {
+            self.action = action
+        }
+    }
+
+    private var scheduledActions: [ScheduledAction] = []
+
+    @MainActor
+    func schedule(after interval: TimeInterval, action: @escaping @MainActor () -> Void) -> AnyCancellable {
+        let scheduledAction = ScheduledAction(action: action)
+        scheduledActions.append(scheduledAction)
+
+        return AnyCancellable {
+            scheduledAction.isCancelled = true
+        }
+    }
+
+    @MainActor
+    func runScheduledActions() {
+        let actions = scheduledActions
+        scheduledActions.removeAll()
+
+        for scheduledAction in actions where !scheduledAction.isCancelled {
+            scheduledAction.action()
+        }
+    }
+}
+
+private final class TestOrchestratorSettingsStore: AppSettingsStoreType {
+    var storedSettings = AppSettings.default
+
+    func load() -> AppSettings {
+        storedSettings
+    }
+
+    func save(_ settings: AppSettings) {
+        storedSettings = settings
+    }
+}