import test from 'node:test';
import assert from 'node:assert/strict';
import { listToubiao, computeDist, QUESTIONS } from '../src/toubiao.js';

test('题库：每题两选项 + 双证揭晓带cite', () => {
  const list = listToubiao();
  assert.ok(list.length >= 4);
  for (const q of list) {
    assert.ok(q.qid && q.title && q.situ && q.options?.length === 2);
  }
  for (const q of Object.values(QUESTIONS)) {
    assert.ok(q.real && /《.+》/.test(q.cite), `${q.qid} 揭晓须有正史 cite`);
  }
});

test('computeDist：占比正确、零票不除零', () => {
  const opts = [{ id: 'a' }, { id: 'b' }];
  const r = computeDist({ a: 87, b: 13 }, opts);
  assert.equal(r.total, 100);
  assert.equal(r.dist.a.pct, 87);
  assert.equal(r.dist.b.pct, 13);
  const z = computeDist({}, opts);
  assert.equal(z.total, 0);
  assert.equal(z.dist.a.pct, 0); // 不除零
});