tools/engine_tool/test/entry_point_test.dart

// Copyright 2013 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' as io;

import 'package:engine_repo_tools/engine_repo_tools.dart';
import 'package:litetest/litetest.dart';
import 'package:path/path.dart' as path;
import 'package:platform/platform.dart';
import 'package:process_runner/process_runner.dart';

void main() {
  final Engine engine;
  try {
    engine = Engine.findWithin();
  } catch (e) {
    io.stderr.writeln(e);
    io.exitCode = 1;
    return;
  }

  test('The entry points under bin/ work', () async {
    const Platform platform = LocalPlatform();
    final ProcessRunner runner = ProcessRunner();
    final String exe = platform.isWindows ? '.bat' : '';
    final String entrypointPath = path.join(
      engine.flutterDir.path, 'bin', 'et$exe',
    );
    final ProcessRunnerResult processResult = await runner.runProcess(
      <String>[entrypointPath, 'help'],
      failOk: true,
    );
    if (processResult.exitCode != 0) {
      io.stdout.writeln(processResult.stdout);
      io.stderr.writeln(processResult.stderr);
    }
    expect(processResult.exitCode, equals(0));
  });
}