import { describe, it, expect, beforeEach, vi } from "vitest";
import { CacheService } from "../cache";
describe("CacheService", () => {
let cache: CacheService;
beforeEach(() => {
cache = new CacheService();
});
it("should store and retrieve data", () => {
const key = "test-key";
const data = { foo: "bar" };
cache.set(key, data);
const result = cache.get(key);
expect(result).toEqual(data);
});
it("should return null for non-existent keys", () => {
const result = cache.get("missing");
expect(result).toBeNull();
});
it("should expire items after TTL", () => {
vi.useFakeTimers();
const key = "temp";
const data = "val";
const ttl = 1000; // 1s
cache.set(key, data, ttl);
// Advance time by 2s
vi.advanceTimersByTime(2000);
const result = cache.get(key);
expect(result).toBeNull();
vi.useRealTimers();
});
it("should track stats correctly", () => {
cache.get("miss1");
cache.set("hit1", "data");
cache.get("hit1");
const stats = cache.getStats();
expect(stats.hits).toBe(1);
expect(stats.misses).toBe(1);
expect(stats.size).toBe(1);
});
});
