// The catalogue matches spec §69 exactly, in order, as TestCatalogueMatchesSpec
// of datekeys-go. The spec is read from the Go repository next to this one, at
// the tag of the version of the spec that this package implements, so that
// uncommitted changes there never count.
@TestOn('vm')
library;

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

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

void main() {
  final repo = Directory('../datekeys-go');
  test(
    'the catalogue is the list of ERR_ lines of spec §69, in order',
    () {
      final path =
          'spec-v$specVersion:spec/DateKeys_Protocol_Specification_v$specVersion.md';
      final r = Process.runSync(
        'git',
        ['-C', repo.path, 'show', path],
        stdoutEncoding: utf8,
        stderrEncoding: utf8,
      );
      expect(r.exitCode, 0, reason: '${r.stderr}');
      final spec = r.stdout as String;
      final start = spec.indexOf('## 69. Errores normativos');
      final end = spec.indexOf('## 70.');
      expect(start, isNonNegative, reason: 'section 69 not found');
      expect(end, greaterThan(start), reason: 'section 70 not found');
      final want = [
        for (final line in spec.substring(start, end).split('\n'))
          if (line.trim().startsWith('ERR_')) line.trim(),
      ];
      expect(want, isNotEmpty);
      expect([for (final c in ErrorCode.values) c.code], want);
    },
    skip: repo.existsSync()
        ? false
        : '../datekeys-go is missing: the spec is read from it',
  );
}