ZacharyZhang-NYandClaude Opus 4.6
5e9d36c058
- Install zustand 5.x and immer 11.x dependencies - Create 6 Zustand slices: navigation, company, selection, ui, communication, social - Create combined store with devtools + immer middleware - Create IPC event batcher with 50ms debounce window (schedule/flush/dispose) - Create typed selector hooks for narrow state subscriptions - Add 14 unit tests covering store initialization, slice behaviors, and batcher timing Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
74 lines
1.9 KiB
TypeScript
74 lines
1.9 KiB
TypeScript
import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
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import { createEventBatcher } from "@renderer/lib/ipc-batcher";
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describe("createEventBatcher", () => {
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beforeEach(() => {
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vi.useFakeTimers();
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});
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afterEach(() => {
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vi.useRealTimers();
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});
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it("calls callback after windowMs timeout (50ms)", () => {
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const callback = vi.fn();
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const batcher = createEventBatcher(callback, 50);
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batcher.schedule();
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expect(callback).not.toHaveBeenCalled();
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vi.advanceTimersByTime(50);
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expect(callback).toHaveBeenCalledTimes(1);
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});
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it("coalesces multiple schedule() calls within window into single callback", () => {
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const callback = vi.fn();
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const batcher = createEventBatcher(callback, 50);
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batcher.schedule();
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batcher.schedule();
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batcher.schedule();
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vi.advanceTimersByTime(50);
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expect(callback).toHaveBeenCalledTimes(1);
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});
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it("flush() immediately invokes callback and clears pending timer", () => {
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const callback = vi.fn();
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const batcher = createEventBatcher(callback, 50);
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batcher.schedule();
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batcher.flush();
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expect(callback).toHaveBeenCalledTimes(1);
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// Advancing time should not trigger another callback
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vi.advanceTimersByTime(100);
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expect(callback).toHaveBeenCalledTimes(1);
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});
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it("dispose() cancels pending timer without invoking callback", () => {
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const callback = vi.fn();
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const batcher = createEventBatcher(callback, 50);
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batcher.schedule();
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batcher.dispose();
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vi.advanceTimersByTime(100);
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expect(callback).not.toHaveBeenCalled();
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});
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it("schedule() after flush() starts new timer", () => {
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const callback = vi.fn();
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const batcher = createEventBatcher(callback, 50);
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batcher.schedule();
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batcher.flush();
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expect(callback).toHaveBeenCalledTimes(1);
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batcher.schedule();
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vi.advanceTimersByTime(50);
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expect(callback).toHaveBeenCalledTimes(2);
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});
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});
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