possible to Mocking Dio retrofit by http-mock-adapter about http-mock-adapter HOT 2 CLOSED

import 'package:http_mock_adapter/http_mock_adapter.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:retrofit/retrofit.dart';
import 'package:dio/dio.dart';
import 'package:test/test.dart';

part 'example_test.g.dart';

@RestApi(baseUrl: 'https://example.com')
abstract class RestClient {
  factory RestClient(Dio dio, {String baseUrl}) = _RestClient;

  @POST('/loadConfig')
  Future<MainModel> getMainConfig(@Body() request);
}

@JsonSerializable()
class MainModel {
  String versionName;
  String currentMenuVersion;
  String test;

  MainModel({
    required this.versionName,
    required this.currentMenuVersion,
    required this.test,
  });

  factory MainModel.fromJson(Map<String, dynamic> json) => _$MainModelFromJson(
        json,
      );

  Map<String, dynamic> toJson() => _$MainModelToJson(this);
}

void main() {
  test('Mocks Retrofit client POST request as defined', () async {
    final dio = Dio();
    final dioAdapter = DioAdapter();
    final restClient = RestClient(dio);

    const configPayload = <String, dynamic>{
      'versionName': '1.0',
      'currentMenuVersion': '2.0',
      'test': 'test',
    };

    final mainModelResponse = MainModel(
      versionName: 'versionName Reply',
      currentMenuVersion: 'currentMenuVersion Reply',
      test: 'test Reply',
    );

    dio.httpClientAdapter = dioAdapter;

    dioAdapter.onPost(
      '/loadConfig',
      (request) => request.reply(200, mainModelResponse),
      data: configPayload,
    );

    final response = await restClient.getMainConfig(configPayload);

    print(response.toJson());

    expect(mainModelResponse.toJson(), response.toJson());
  });
}