import assert from 'assert';
import Keychain from '../../../app/keychain';

describe('Keychain', function() {
  describe('setPassword', function() {
    it('changes the authKey', async function() {
      const k = new Keychain();
      const original = await k.authKeyB64();
      k.setPassword('foo', 'some://url');
      const pwd = await k.authKeyB64();
      assert.notEqual(pwd, original);
    });
  });

  describe('encrypt / decrypt file', function() {
    it('can decrypt text it encrypts', async function() {
      const enc = new TextEncoder();
      const dec = new TextDecoder();
      const text = 'hello world!';
      const k = new Keychain();
      const ciphertext = await k.encryptFile(enc.encode(text));
      assert.notEqual(dec.decode(ciphertext), text);
      const plaintext = await k.decryptFile(ciphertext);
      assert.equal(dec.decode(plaintext), text);
    });
  });

  describe('encrypt / decrypt metadata', function() {
    it('can decrypt metadata it encrypts', async function() {
      const k = new Keychain();
      const meta = {
        name: 'foo',
        type: 'bar/baz'
      };
      const ciphertext = await k.encryptMetadata(meta);
      const result = await k.decryptMetadata(ciphertext);
      assert.equal(result.name, meta.name);
      assert.equal(result.type, meta.type);
    });
  });
});