dateKeys-dart/test/encrypt3_vm_test.dart

// The writer of capsules with the CSPRNG of the platform, which Node.js does
// not give inside the tests: two capsules of the same options differ in
// every random value, and both open.
@TestOn('vm')
library;

import 'dart:convert';

import 'package:datekeys/datekeys.dart';
import 'package:test/test.dart';

import 'capsule_writer_support.dart';

void main() {
  test('two capsules of the same options differ, and both open', () async {
    final releases = {
      1000: fromHex(
        'b44679b9a59af2ec876b1a6b1ad52ea9b1615fc3982b19576350f93447cb1125'
        'e342b73a8dd2bacbe47e4b6b63ed5e39',
      ),
    };
    final written = <(EncryptResult, CapsuleSink)>[];
    for (var i = 0; i < 2; i++) {
      final sink = CapsuleSink();
      final res = await encryptFiles(
        sink,
        [FileSource.bytes('a.txt', utf8.encode('Hola.\n'))],
        EncryptOptions(
          profile: quicknet(),
          unlockAt: roundTime(quicknet(), 1000),
          now: () => genesis,
          policy: AccessPolicy.timeAndKey,
          newPortableKey: true,
        ),
      );
      written.add((res, sink));
    }
    final [(a, sa), (b, sb)] = written;
    expect(a.capsuleId, isNot(b.capsuleId));
    expect(a.head.salt, isNot(b.head.salt));
    expect(a.portableKey!.material, isNot(b.portableKey!.material));
    expect(a.portableKey!.credentialId, isNot(b.portableKey!.credentialId));
    expect(sa.length, sb.length);
    for (final (res, sink) in written) {
      final o = await openedJson(
        const {'policy': 'time_and_key'},
        sink.bytes,
        releases,
        dkk: encodeAccessKey(res.portableKey!),
      );
      expect(o['result'], 'ok');
      expect(o['files'], [
        {
          'path': 'a.txt',
          'size': 6,
          'sha256': toHex(sha256Of(utf8.encode('Hola.\n'))),
        },
      ]);
    }
  });
}