import assert from "node:assert/strict";
import { webcrypto } from "node:crypto";
import test from "node:test";

globalThis.btoa = (value) => Buffer.from(value, "binary").toString("base64");

const { createPkcePair } = await import("../src/pkce.js");

test("manual PKCE helper creates an RFC 7636 S256 pair", async () => {
  const pair = await createPkcePair(webcrypto);

  assert.equal(pair.method, "S256");
  assert.equal(pair.verifier.length, 43);
  assert.equal(pair.challenge.length, 43);
  assert.match(pair.verifier, /^[A-Za-z0-9_-]+$/u);
  assert.match(pair.challenge, /^[A-Za-z0-9_-]+$/u);
  assert.notEqual(pair.verifier, pair.challenge);
});