import { afterEach, beforeEach, describe, expect, it, vi } from "vite-plus/test"; import {  makeQuitHoldHandler,  QUIT_DOUBLE_TAP_MS,  QUIT_HOLD_DURATION_MS,  QUIT_HOLD_RELEASE_GRACE_MS,} from "./QuitHold.ts";import type { QuitHoldKeyInput, QuitHoldState } from "./QuitHold.ts"; function makeInput(overrides: Partial<QuitHoldKeyInput>): QuitHoldKeyInput {  return {    type: "keyDown",    key: "q",    meta: true,    control: false,    alt: false,    shift: false,    isAutoRepeat: false,    ...overrides,  };} function makeHarness(options?: {  enabled?: boolean;  platform?: NodeJS.Platform;  isEnabled?: () => Promise<boolean>;}) {  const notifications: Array<QuitHoldState> = [];  const quit = vi.fn();  const handler = makeQuitHoldHandler({    platform: options?.platform ?? "darwin",    isEnabled: options?.isEnabled ?? (() => Promise.resolve(options?.enabled ?? true)),    notify: (state) => notifications.push(state),    quit,  });  const preventDefault = vi.fn();  const send = async (input: QuitHoldKeyInput) => {    handler({ preventDefault }, input);    // Let the isEnabled promise settle.    await Promise.resolve();    await Promise.resolve();  };  // Simulates the OS auto-repeating the held shortcut every `intervalMs`.  const holdFor = async (    durationMs: number,    repeatOverrides: Partial<QuitHoldKeyInput> = {},    intervalMs = 100,  ) => {    for (let elapsed = 0; elapsed < durationMs; elapsed += intervalMs) {      vi.advanceTimersByTime(intervalMs);      await send(makeInput({ isAutoRepeat: true, ...repeatOverrides }));    }  };  return { notifications, quit, preventDefault, send, holdFor };} describe("makeQuitHoldHandler", () => {  beforeEach(() => {    vi.useFakeTimers();  });  afterEach(() => {    vi.useRealTimers();  });   it("shows the hint on a tap without quitting, even when the release is never seen", async () => {    // macOS suppresses the letter's keyUp while Cmd is held, so a tap may    // produce no keyUp at all. Quit must still not fire.    const harness = makeHarness();    await harness.send(makeInput({}));    expect(harness.preventDefault).toHaveBeenCalledTimes(1);    expect(harness.notifications).toEqual(["down"]);     vi.advanceTimersByTime(QUIT_HOLD_DURATION_MS + QUIT_HOLD_RELEASE_GRACE_MS);    expect(harness.quit).not.toHaveBeenCalled();    // The watchdog dismisses the hint once the press is clearly over.    expect(harness.notifications).toEqual(["down", "up"]);  });   it("quits after a completed hold is released", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.holdFor(QUIT_HOLD_DURATION_MS + 200);    expect(harness.quit).not.toHaveBeenCalled();    await harness.send(makeInput({ type: "keyUp", key: "Meta", meta: false }));    expect(harness.quit).not.toHaveBeenCalled();    vi.advanceTimersByTime(QUIT_HOLD_RELEASE_GRACE_MS);    expect(harness.quit).toHaveBeenCalledTimes(1);    expect(harness.notifications).toEqual(["down", "up"]);  });   it("waits for Q release when Cmd is released first", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.holdFor(QUIT_HOLD_DURATION_MS + 200);    await harness.send(makeInput({ type: "keyUp", key: "Meta", meta: false }));    harness.preventDefault.mockClear();    await harness.send(makeInput({ meta: false, isAutoRepeat: true }));    expect(harness.preventDefault).toHaveBeenCalledTimes(1);    vi.advanceTimersByTime(QUIT_HOLD_RELEASE_GRACE_MS * 2);    expect(harness.quit).not.toHaveBeenCalled();    await harness.send(makeInput({ type: "keyUp", meta: false }));    expect(harness.quit).toHaveBeenCalledTimes(1);  });   it("does not quit when the hold stops before the duration", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.holdFor(500);    await harness.send(makeInput({ type: "keyUp" }));    expect(harness.notifications).toEqual(["down", "up"]);    vi.advanceTimersByTime((QUIT_HOLD_DURATION_MS + QUIT_HOLD_RELEASE_GRACE_MS) * 2);    expect(harness.quit).not.toHaveBeenCalled();  });   it("cancels the hold when the modifier is released first", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.send(makeInput({ type: "keyUp", key: "Meta", meta: false }));    expect(harness.notifications).toEqual(["down", "up"]);    vi.advanceTimersByTime((QUIT_HOLD_DURATION_MS + QUIT_HOLD_RELEASE_GRACE_MS) * 2);    expect(harness.quit).not.toHaveBeenCalled();  });   it("quits without showing a hint when hold-to-quit is disabled", async () => {    const harness = makeHarness({ enabled: false });    await harness.send(makeInput({}));    expect(harness.quit).toHaveBeenCalledTimes(1);    expect(harness.notifications).toEqual([]);  });   it("discards a stale isEnabled resolution from a superseded press", async () => {    // Press #1's isEnabled is still pending when the user releases and    // presses again; its late resolution must not act for press #2.    const resolvers: Array<(enabled: boolean) => void> = [];    const harness = makeHarness({      isEnabled: () => new Promise((resolve) => resolvers.push(resolve)),    });    await harness.send(makeInput({}));    await harness.send(makeInput({ type: "keyUp" }));    // Outside the double-tap window, so the second press starts a new hold.    vi.advanceTimersByTime(QUIT_DOUBLE_TAP_MS + 100);    await harness.send(makeInput({}));    expect(resolvers).toHaveLength(2);     // Press #1 resolves late with "disabled" — it must not quit press #2.    resolvers[0]?.(false);    await Promise.resolve();    await Promise.resolve();    expect(harness.quit).not.toHaveBeenCalled();     // Press #2 resolves enabled and completes a full hold.    resolvers[1]?.(true);    await harness.holdFor(QUIT_HOLD_DURATION_MS + 200);    await harness.send(makeInput({ type: "keyUp" }));    expect(harness.quit).toHaveBeenCalledTimes(1);  });   it("quits on a quick double tap, even when the first release was never seen", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    vi.advanceTimersByTime(QUIT_DOUBLE_TAP_MS - 100);    await harness.send(makeInput({}));    expect(harness.quit).toHaveBeenCalledTimes(1);  });   it("treats two slow taps as separate presses", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.send(makeInput({ type: "keyUp" }));    vi.advanceTimersByTime(QUIT_DOUBLE_TAP_MS + 100);    await harness.send(makeInput({}));    expect(harness.quit).not.toHaveBeenCalled();    expect(harness.notifications).toEqual(["down", "up", "down"]);  });   it("cancels the hold when another key interrupts it", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.holdFor(500);    // Shift pressed mid-hold breaks the gesture...    await harness.send(makeInput({ shift: true }));    expect(harness.notifications).toEqual(["down", "up"]);    // ...so later repeats past the threshold must not quit.    await harness.holdFor(QUIT_HOLD_DURATION_MS);    expect(harness.quit).not.toHaveBeenCalled();  });   it("does not count an interrupted press toward a double tap", async () => {    const harness = makeHarness();    await harness.send(makeInput({}));    await harness.send(makeInput({ shift: true }));    // A fresh press right after the interruption starts a new hold, not a    // double-tap quit.    await harness.send(makeInput({}));    expect(harness.quit).not.toHaveBeenCalled();    expect(harness.notifications).toEqual(["down", "up", "down"]);  });   it("ignores other shortcuts", async () => {    const harness = makeHarness();    await harness.send(makeInput({ key: "w" }));    await harness.send(makeInput({ shift: true }));    await harness.send(makeInput({ meta: false }));    expect(harness.preventDefault).not.toHaveBeenCalled();    expect(harness.notifications).toEqual([]);  });   it("uses control on non-mac platforms", async () => {    const harness = makeHarness({ platform: "linux" });    await harness.send(makeInput({ meta: false, control: true }));    expect(harness.preventDefault).toHaveBeenCalledTimes(1);    await harness.holdFor(QUIT_HOLD_DURATION_MS + 200, { meta: false, control: true });    await harness.send(makeInput({ type: "keyUp", meta: false, control: true }));    expect(harness.quit).toHaveBeenCalledTimes(1);  });});