// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:io' show File;

import 'package:path/path.dart' as path;

import '../utils.dart';

Future<void> frameworkCoverageRunner() async {
  final File coverageFile = File(
    path.join(flutterRoot, 'packages', 'flutter', 'coverage', 'lcov.info'),
  );
  if (!coverageFile.existsSync()) {
    foundError(<String>[
      '${red}Coverage file not found.$reset',
      'Expected to find: $cyan${coverageFile.absolute.path}$reset',
      'This file is normally obtained by running `${green}flutter update-packages$reset`.',
    ]);
    return;
  }
  coverageFile.deleteSync();
  await runFlutterTest(
    path.join(flutterRoot, 'packages', 'flutter'),
    options: const <String>['--coverage'],
  );
  if (!coverageFile.existsSync()) {
    foundError(<String>[
      '${red}Coverage file not found.$reset',
      'Expected to find: $cyan${coverageFile.absolute.path}$reset',
      'This file should have been generated by the `${green}flutter test --coverage$reset` script, but was not.',
    ]);
    return;
  }
}