import { describe, expect, it } from 'vitest';
import { ResultCache, hashBlob } from '../src/background/cache';

describe('result cache', () => {
  it('evicts the least recently used entry', () => {
    const cache = new ResultCache<number>(2);
    cache.set('one', 1);
    cache.set('two', 2);
    expect(cache.get('one')).toBe(1);
    cache.set('three', 3);
    expect(cache.get('two')).toBeUndefined();
    expect(cache.get('one')).toBe(1);
  });

  it('hashes identical content consistently', async () => {
    const first = await hashBlob(new Blob(['same content']));
    const second = await hashBlob(new Blob(['same content']));
    expect(first).toBe(second);
    expect(first).toMatch(/^[a-f0-9]{64}$/);
  });
});