mirror of
https://seed.radicle.dev/rad:z4D5UCArafTzTQpDZNQRuqswh3ury.git
synced 2026-10-30 16:40:47 +08:00
Rūdolfs Ošiņš
c4dcb61675
Resetting only forgot the key, so the pending timeout still fired and rescheduled itself: the sidebar kept reloading repos every 5 seconds after nothing was left to replicate, and after it unmounted.
75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
import { afterEach, beforeEach, expect, test, vi } from "vitest";
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import { dynamicInterval, resetDynamicInterval } from "@app/lib/interval";
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beforeEach(() => {
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vi.useFakeTimers();
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});
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afterEach(() => {
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resetDynamicInterval("a");
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resetDynamicInterval("b");
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vi.useRealTimers();
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});
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test("runs the callback once per period", () => {
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const callback = vi.fn();
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dynamicInterval("a", callback, 100);
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vi.advanceTimersByTime(99);
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expect(callback).not.toHaveBeenCalled();
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vi.advanceTimersByTime(1);
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expect(callback).toHaveBeenCalledTimes(1);
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vi.advanceTimersByTime(200);
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expect(callback).toHaveBeenCalledTimes(3);
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});
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test("rescheduling a key replaces its callback and period", () => {
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const first = vi.fn();
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const second = vi.fn();
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dynamicInterval("a", first, 100);
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vi.advanceTimersByTime(50);
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dynamicInterval("a", second, 300);
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vi.advanceTimersByTime(299);
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expect(first).not.toHaveBeenCalled();
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expect(second).not.toHaveBeenCalled();
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vi.advanceTimersByTime(1);
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expect(second).toHaveBeenCalledTimes(1);
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});
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test("an async callback can reschedule its own key", async () => {
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const callback = vi.fn(async () => {
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await Promise.resolve();
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dynamicInterval("a", callback, 500);
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});
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dynamicInterval("a", callback, 100);
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await vi.advanceTimersByTimeAsync(100);
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expect(callback).toHaveBeenCalledTimes(1);
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await vi.advanceTimersByTimeAsync(499);
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expect(callback).toHaveBeenCalledTimes(1);
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await vi.advanceTimersByTimeAsync(1);
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expect(callback).toHaveBeenCalledTimes(2);
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});
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test("resetting a key stops its callback", () => {
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const callback = vi.fn();
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dynamicInterval("a", callback, 100);
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resetDynamicInterval("a");
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vi.advanceTimersByTime(1000);
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expect(callback).not.toHaveBeenCalled();
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});
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test("keys run independently", () => {
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const a = vi.fn();
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const b = vi.fn();
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dynamicInterval("a", a, 100);
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dynamicInterval("b", b, 100);
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vi.advanceTimersByTime(100);
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expect(a).toHaveBeenCalledTimes(1);
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expect(b).toHaveBeenCalledTimes(1);
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});
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