packages/petitparser/test/dart_file_tests.dart

/// This test-case automatically generates various tests from Dart source
/// code. Unfortunately the parser is currently unable to parse most of
/// these files.
library petitparser.test.dart_file_test;

import 'dart:io';

import 'package:test/test.dart';

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

void generateTests(DartGrammar dart, String title, List<FileSystemEntity> files) {
  group(title, () {
    files
        .where((file) => file is File && file.path.endsWith('.dart'))
        .forEach((File file) {
          test(file.path, () {
            var source = new StringBuffer();
            file
                .openRead()
                .transform(SYSTEM_ENCODING.decoder)
                .listen((part) => source.write(part), onDone: expectAsync(() {
                  expect(source.toString(), accept(dart));
                }), onError: fail);
          });
        });
  });
}

void main() {
  var dart = new DartGrammar();
  generateTests(dart, 'Dart SDK', new Directory('packages')
      .listSync(recursive: true, followLinks: false));
  generateTests(dart, 'PetitParser', Directory.current
      .listSync(recursive: true, followLinks: true));
}