dateKeys-dart/test/primitives_vm_test.dart

// The primitives against files: the copy of test/vectors/primitives.json
// that primitives_test.dart reads, a Dart constant for the tests compiled to
// JavaScript, is the JSON file byte for byte, as
// tool/gen_primitive_vectors.go writes both; and the strict Ed25519
// verification gives the results of testdata/vectors/ed25519_strict.json of
// datekeys-go.
@TestOn('vm')
library;

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

import 'package:datekeys/datekeys.dart' show fromHex;
import 'package:datekeys/src/curve25519.dart';
import 'package:test/test.dart';

import 'vectors/primitives.g.dart';

void main() {
  test('primitives.g.dart holds primitives.json', () {
    final file = File('test/vectors/primitives.json').readAsStringSync();
    expect(primitivesJson, file);
  });

  test('testdata/vectors/ed25519_strict.json', () {
    final file = jsonDecode(
      File('testdata/vectors/ed25519_strict.json').readAsStringSync(),
    ) as Map<String, Object?>;
    final vectors = (file['vectors']! as List).cast<Map<String, Object?>>();
    expect(vectors, isNotEmpty);
    for (final v in vectors) {
      expect(
        verifyStrict(
          fromHex(v['public_key']! as String),
          fromHex(v['message']! as String),
          fromHex(v['signature']! as String),
        ),
        v['valid'],
        reason: v['name'] as String?,
      );
    }
  });
}