WIP

tests/clipboredtests/ShortcutManagerTests.swift

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+import AppKit
+import Carbon
+import XCTest
+@testable import ClipBored
+
+final class ShortcutManagerTests: XCTestCase {
+  func testVirtualKeyCodeMappingSupportsDefaults() {
+    XCTAssertEqual(ShortcutManager.virtualKeyCode(for: "v"), UInt16(kVK_ANSI_V))
+    XCTAssertEqual(ShortcutManager.virtualKeyCode(for: ","), UInt16(kVK_ANSI_Comma))
+  }
+
+  func testVirtualKeyCodeRejectsUnsupportedKeys() {
+    XCTAssertNil(ShortcutManager.virtualKeyCode(for: "space"))
+    XCTAssertNil(ShortcutManager.virtualKeyCode(for: ""))
+  }
+
+  func testCarbonModifierMapping() {
+    let flags = NSEvent.ModifierFlags.command.union(.option).rawValue
+    let carbon = ShortcutManager.carbonModifiers(for: flags)
+    XCTAssertTrue(carbon & UInt32(cmdKey) != 0)
+    XCTAssertTrue(carbon & UInt32(optionKey) != 0)
+    XCTAssertFalse(carbon & UInt32(controlKey) != 0)
+  }
+
+  func testRejectsBareGlobalShortcut() {
+    let manager = makeManager(openShortcut: ShortcutBinding(key: "v", modifierFlags: 0))
+
+    XCTAssertEqual(manager.start(), .unsupportedShortcut("V"))
+    manager.stop()
+  }
+
+  func testRejectsShiftOnlyGlobalShortcut() {
+    let manager = makeManager(openShortcut: ShortcutBinding(key: "v", modifierFlags: NSEvent.ModifierFlags.shift.rawValue))
+
+    XCTAssertEqual(manager.start(), .unsupportedShortcut("⇧V"))
+    manager.stop()
+  }
+
+  func testRejectsUnsupportedSettingsShortcutBeforeRegistration() {
+    let manager = makeManager(
+      openShortcut: AppConfiguration.defaultOpenShortcut,
+      settingsShortcut: ShortcutBinding(key: "space", modifierFlags: NSEvent.ModifierFlags.command.rawValue)
+    )
+
+    XCTAssertEqual(manager.start(), .unsupportedShortcut("⌘SPACE"))
+    manager.stop()
+  }
+
+  func testRejectsDuplicateShortcutBindingsBeforeRegistration() {
+    let manager = makeManager(
+      openShortcut: AppConfiguration.defaultOpenShortcut,
+      settingsShortcut: AppConfiguration.defaultOpenShortcut
+    )
+
+    XCTAssertEqual(manager.start(), .conflict(AppConfiguration.defaultOpenShortcut.displayText))
+    manager.stop()
+  }
+
+  private func makeManager(
+    openShortcut: ShortcutBinding,
+    settingsShortcut: ShortcutBinding = AppConfiguration.defaultSettingsShortcut
+  ) -> ShortcutManager {
+    ShortcutManager(
+      onOpenClipboardPanel: {},
+      onOpenSettings: {},
+      openShortcut: openShortcut,
+      settingsShortcut: settingsShortcut
+    )
+  }
+}