import 'package:test/test.dart';

import '../../tool/src/release/log.dart';
import '../../tool/src/release/version.dart';

void main() {
  test("git's log is read as commits with their bodies and files", () {
    // As `git log --format=<logFormat> --name-only` writes it.
    const output =
        '\x1eaaa111\x1ffeat(app): one\x1fWhy it matters.\n\n'
        'BREAKING CHANGE: older apps stop.\n\x1f\n\n'
        'apps/notes/a.dart\npackages/halkyon_ui/b.dart\n'
        '\x1ebbb222\x1fchore: merge\x1f\x1f\n'
        '\x1eccc333\x1ffix: two\x1f\x1f\n\npubspec.lock\n';

    final commits = parseLog(output);

    expect(commits.map((commit) => commit.hash), [
      'aaa111',
      'bbb222',
      'ccc333',
    ]);
    expect(commits.first.subject, 'feat(app): one');
    expect(isBreaking(commits.first), isTrue);
    expect(commits.first.files, [
      'apps/notes/a.dart',
      'packages/halkyon_ui/b.dart',
    ]);
    // A merge lists no files of its own.
    expect(commits[1].files, isEmpty);
    expect(commits[2].files, ['pubspec.lock']);
  });

  test('no commits, no output', () {
    expect(parseLog(''), isEmpty);
  });
}