import assert from 'node:assert/strict';
import { createHash } from 'node:crypto';
import { describe, it } from 'node:test';
import { sha256Hex, timingSafeEqualUtf8 } from '../dist/crypto.js';
describe('timingSafeEqualUtf8', () => {
it('returns true for identical strings', () => {
assert.equal(timingSafeEqualUtf8('token', 'token'), true);
});
it('returns false without throwing on byte-length mismatch', () => {
assert.doesNotThrow(() => timingSafeEqualUtf8('a', '\u00E9'));
assert.equal(timingSafeEqualUtf8('a', '\u00E9'), false);
});
});
describe('sha256Hex', () => {
it('matches createHash output for small inputs', () => {
const input = 'hello';
const expected = createHash('sha256').update(input).digest('hex');
assert.equal(sha256Hex(input), expected);
});
it('matches createHash output for large inputs', () => {
const fiveMb = 5 * 1024 * 1024;
const input = 'a'.repeat(fiveMb + 1);
const expected = createHash('sha256').update(input).digest('hex');
assert.equal(sha256Hex(input), expected);
});
});
