pkg/dartdev/test/smoke/implicit_smoke_test.dart

// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. 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';

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

const numRuns = 10;

final smokeTestScript = r'''
void main() {
  print('Smoke test!');
}
''';

void main() {
  group(
    'implicit dartdev smoke -',
    () {
      late final String script;

      setUpAll(() {
        var p = project(mainSrc: smokeTestScript);
        script = path.join(p.dirPath, p.relativeFilePath);
      });

      test('dart smoke.dart', () async {
        for (int i = 1; i <= numRuns; ++i) {
          if (i % 5 == 0) {
            print('Done [$i/$numRuns]');
          }
          final result = await Process.run(
            Platform.executable,
            [
              script,
            ],
          );
          expect(result.stderr, isEmpty);
          expect(result.stdout, contains('Smoke test!'));
          expect(result.exitCode, 0);
        }
      });

      // This test forces dartdev to run implicitly and for
      // DDS to spawn in a separate process.
      test('dart --enable-vm-service smoke.dart', () async {
        for (int i = 1; i <= numRuns; ++i) {
          if (i % 5 == 0) {
            print('Done [$i/$numRuns]');
          }
          final result = await Process.run(
            Platform.executable,
            [
              '--enable-vm-service=0',
              script,
            ],
          );
          expect(result.stderr, isEmpty);
          expect(result.stdout, contains('Smoke test!'));
          expect(result.exitCode, 0);
        }
      });
    },
    timeout: Timeout.none,
  );
}