'use strict';

const assert = require('node:assert/strict');
const test = require('node:test');
const { randomToken, pkceChallenge } = require('../src/oidc');

test('PKCE S256 challenge is deterministic and 43 chars (base64url SHA-256)', () => {
  const verifier = 'abc123';
  const c1 = pkceChallenge(verifier);
  const c2 = pkceChallenge(verifier);
  assert.equal(c1, c2);
  assert.equal(c1.length, 43);
  assert.notEqual(c1, verifier);
});

test('random tokens are unique and long enough', () => {
  const a = randomToken();
  const b = randomToken();
  assert.notEqual(a, b);
  assert.ok(a.length >= 43);
});