test/example_tests/objective_c_example_test.dart

// Copyright (c) 2022, 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.

// Objective C support is only available on mac.
@TestOn('mac-os')

import 'dart:io';

import 'package:ffigen/src/config_provider/config.dart';
import 'package:ffigen/src/header_parser.dart';
import 'package:logging/logging.dart';
import 'package:test/test.dart';
import 'package:yaml/yaml.dart';

import '../test_utils.dart';

void main() {
  group('objective_c_example_test', () {
    setUpAll(() {
      logWarnings(Level.SEVERE);
    });

    test('objective_c', () {
      final pubspecFile = File('example/objective_c/pubspec.yaml');
      final pubspecYaml = loadYaml(pubspecFile.readAsStringSync()) as YamlMap;
      final config = Config.fromYaml(pubspecYaml['ffigen'] as YamlMap);
      final output = parse(config).generate();

      // Verify that the output contains all the methods and classes that the
      // example app uses.
      expect(output, contains('class AVFAudio{'));
      expect(output, contains('class NSString extends NSObject {'));
      expect(output, contains('class NSURL extends NSObject {'));
      expect(
          output,
          contains(
              'static NSURL fileURLWithPath_(AVFAudio _lib, NSString? path) {'));
      expect(output, contains('class AVAudioPlayer extends NSObject {'));
      expect(
          output,
          contains('AVAudioPlayer initWithContentsOfURL_error_('
              'NSURL? url, ffi.Pointer<ffi.Pointer<ObjCObject>> outError) {'));
      expect(output, contains('double get duration {'));
      expect(output, contains('bool play() {'));
    });
  });
}