import assert from 'node:assert/strict';
import { test } from 'node:test';
import { parseCbrCny } from '../src/exchange-rate-sync.ts';
const xml = (nominal, value) =>
    `<ValCurs Date="28.09.2026"><Valute ID="CNY"><CharCode>CNY</CharCode><Nominal>${nominal}</Nominal><Value>${value}</Value></Valute></ValCurs>`;
test('CBR 按面额做精确十进制换算', () => {
    assert.deepEqual(parseCbrCny(xml(10, '123,4567')), {
        effectiveOn: '2026-09-28',
        rate: '12.3456700000',
    });
    assert.equal(parseCbrCny(xml(3, '1,0000')).rate, '0.3333333333');
});
test('缺失货币、非法日期和零面额不能覆盖有效汇率', () => {
    assert.throws(() => parseCbrCny('<error/>'));
    assert.throws(() => parseCbrCny(xml(0, '12,3')));
    assert.throws(() => parseCbrCny(xml(1, '12,3').replace('28.09', '32.09')));
});