// The Go values that the tests on Node.js carry in bls12381_constants.dart
// are those of the JSON that Go wrote.
@TestOn('vm')
library;

import 'dart:convert';
import 'dart:io';

import 'package:test/test.dart';

import 'bls12381_constants.dart';

typedef Json = Map<String, Object?>;

Json readJson(String path) => jsonDecode(File(path).readAsStringSync()) as Json;

List<Json> section(Json file, String name) =>
    (file[name]! as List).cast<Json>();

void main() {
  test('the generators and H2 are those of tlock_ibe.json', () {
    final v = section(
      readJson('testdata/vectors/tlock_ibe.json'),
      'vectors',
    ).first;
    expect(
      [generatorG1, generatorG2, h2OfGenerators],
      [v['g1'], v['g2'], v['h2']],
    );
  });

  test('the hashes to G1 are those of bls12381_vectors.json', () {
    final hashes = section(
      readJson('test/vectors/bls12381_vectors.json'),
      'hash_to_g1',
    );
    final round = hashes.firstWhere(
      (v) => v['label'] == 'the identity of round 1000',
    );
    expect(hashOfRound1000, round['point']);
    final abc = hashes.firstWhere(
      (v) => (v['label']! as String).contains('msg "abc"'),
    );
    expect([hashOfAbcX, hashOfAbcY], [abc['x'], abc['y']]);
  });
}