import { getPlatformSpecialKey } from "../platformutils" describe("getPlatformSpecialKey", () => { let platformGetter beforeEach(() => { platformGetter = jest.spyOn(navigator, "platform", "get") }) test("returns '⌘' for Apple platforms", () => { platformGetter.mockReturnValue("Mac") expect(getPlatformSpecialKey()).toMatch("⌘") platformGetter.mockReturnValue("iPhone") expect(getPlatformSpecialKey()).toMatch("⌘") platformGetter.mockReturnValue("iPad") expect(getPlatformSpecialKey()).toMatch("⌘") platformGetter.mockReturnValue("iPod") expect(getPlatformSpecialKey()).toMatch("⌘") }) test("return 'Ctrl' for non-Apple platforms", () => { platformGetter.mockReturnValue("Android") expect(getPlatformSpecialKey()).toMatch("Ctrl") platformGetter.mockReturnValue("Windows") expect(getPlatformSpecialKey()).toMatch("Ctrl") platformGetter.mockReturnValue("Linux") expect(getPlatformSpecialKey()).toMatch("Ctrl") }) test("returns 'Ctrl' for null/undefined platforms", () => { platformGetter.mockReturnValue(null) expect(getPlatformSpecialKey()).toMatch("Ctrl") platformGetter.mockReturnValue(undefined) expect(getPlatformSpecialKey()).toMatch("Ctrl") }) })