app_dart/integration_test/generate_jspb_test.dart

// Copyright 2021 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:convert';
import 'dart:io';

import 'package:test/test.dart';

import 'common.dart';

/// Validates `bin/generate_jspb.dart` which is used in the ci.yaml roller script.
Future<void> main() async {
  test('validate cocoon ci.yaml generates jspb', () async {
    final generateResult = Process.runSync('dart', <String>[
      'run',
      'bin/generate_jspb.dart',
      'integration_test/data/mock_ci.yaml',
    ]);
    if (generateResult.exitCode != 0) {
      fail(
        'generate_jspb.dart failed with exit code ${generateResult.exitCode}\n'
        'stderr: ${generateResult.stderr}\n'
        'stdout: ${generateResult.stdout}',
      );
    }

    // Update expectations file
    final jspbExpectationsFile = File(
      'integration_test/data/cocoon_config.json',
    );
    jspbExpectationsFile.writeAsStringSync(
      '${const JsonEncoder.withIndent('  ').convert(jsonDecode(generateResult.stdout as String))}\n',
    );

    expectNoDiff(jspbExpectationsFile.path);
  });
}