Add roadster service

Author: ashtanko

lib/data/network/data_source/roadster_network_data_source.dart

@@ -0,0 +1,23 @@
+import 'package:flutter_bloc_app_template/data/network/api_result.dart';
+import 'package:flutter_bloc_app_template/data/network/model/roadster/network_roadster_model.dart';
+import 'package:flutter_bloc_app_template/data/network/service/roadster/roadster_service.dart';
+
+abstract class RoadsterDataSource {
+  Future<ApiResult<NetworkRoadsterModel>> getRoadster();
+}
+
+class RoadsterNetworkDataSource implements RoadsterDataSource {
+  RoadsterNetworkDataSource(this._service);
+
+  final RoadsterService _service;
+
+  @override
+  Future<ApiResult<NetworkRoadsterModel>> getRoadster() async {
+    try {
+      final result = await _service.fetchRoadster();
+      return ApiResult.success(result);
+    } catch (e) {
+      return Future.value(ApiResult.error(e.toString()));
+    }
+  }
+}

lib/data/network/service/constants.dart

@@ -1 +1,2 @@
 const String baseUrl = 'https://api.spacexdata.com/v3/';
+const String baseUrlVersion4 = 'https://api.spacexdata.com/v4/';

lib/data/network/service/roadster/roadster_service.dart

@@ -0,0 +1,14 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_bloc_app_template/data/network/model/roadster/network_roadster_model.dart';
+import 'package:flutter_bloc_app_template/data/network/service/constants.dart';
+import 'package:retrofit/retrofit.dart';
+
+part 'roadster_service.g.dart';
+
+@RestApi(baseUrl: baseUrlVersion4)
+abstract class RoadsterService {
+  factory RoadsterService(Dio dio) = _RoadsterService;
+
+  @GET('roadster}')
+  Future<NetworkRoadsterModel> fetchRoadster();
+}

lib/data/network/service/roadster/roadster_service.g.dart

@@ -0,0 +1,34 @@
+{
+  "name": "Elon Musk's Tesla Roadster",
+  "launch_date_utc": "2018-02-06T20:45:00.000Z",
+  "launch_date_unix": 1517949900,
+  "launch_mass_kg": 1350,
+  "launch_mass_lbs": 2976,
+  "norad_id": 43205,
+  "epoch_jd": 2459914.263888889,
+  "orbit_type": "heliocentric",
+  "apoapsis_au": 1.664332332453025,
+  "periapsis_au": 0.986015924224046,
+  "semi_major_axis_au": 57.70686413577451,
+  "eccentricity": 0.2559348215918733,
+  "inclination": 1.075052357364693,
+  "longitude": 316.9112133411523,
+  "periapsis_arg": 177.75981116285,
+  "period_days": 557.1958197697352,
+  "speed_kph": 9520.88362029108,
+  "speed_mph": 5916.000976023889,
+  "earth_distance_km": 320593735.82924163,
+  "earth_distance_mi": 199207650.2259517,
+  "mars_distance_km": 395640511.90355814,
+  "mars_distance_mi": 245839540.52202582,
+  "flickr_images": [
+    "https://farm5.staticflickr.com/4615/40143096241_11128929df_b.jpg",
+    "https://farm5.staticflickr.com/4702/40110298232_91b32d0cc0_b.jpg",
+    "https://farm5.staticflickr.com/4676/40110297852_5e794b3258_b.jpg",
+    "https://farm5.staticflickr.com/4745/40110304192_6e3e9a7a1b_b.jpg"
+  ],
+  "wikipedia": "https://en.wikipedia.org/wiki/Elon_Musk%27s_Tesla_Roadster",
+  "video": "https://youtu.be/wbSwFU6tY1c",
+  "details": "Elon Musk's Tesla Roadster is an electric sports car that served as the dummy payload for the February 2018 Falcon Heavy test flight and is now an artificial satellite of the Sun. Starman, a mannequin dressed in a spacesuit, occupies the driver's seat. The car and rocket are products of Tesla and SpaceX. This 2008-model Roadster was previously used by Musk for commuting, and is the only consumer car sent into space.",
+  "id": "5eb75f0842fea42237d7f3f4"
+}

test/data/network/fixtures/roadster/roadster.json

@@ -0,0 +1,58 @@
+import 'package:flutter_bloc_app_template/data/network/api_result.dart';
+import 'package:flutter_bloc_app_template/data/network/data_source/roadster_network_data_source.dart';
+import 'package:flutter_bloc_app_template/data/network/model/roadster/network_roadster_model.dart';
+import 'package:flutter_bloc_app_template/data/network/service/roadster/roadster_service.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+
+import '../../fixtures_reader.dart';
+
+class MockRoadsterService extends Mock implements RoadsterService {}
+
+void main() {
+  late RoadsterService service;
+  late RoadsterDataSource dataSource;
+
+  setUp(() async {
+    registerFallbackValue(Uri());
+    service = MockRoadsterService();
+    dataSource = RoadsterNetworkDataSource(service);
+  });
+
+  group('fetchRoadster', () {
+    final mockResponse = NetworkRoadsterModel.fromJson(
+        'roadster/roadster.json'.toFixtureObject());
+
+    test(
+      'should perform a GET request on /roadster and return a NetworkRoadsterModel',
+      () async {
+        // arrange
+        when(
+          () => service.fetchRoadster(),
+        ).thenAnswer(
+          (_) async => Future.value(mockResponse),
+        );
+
+        // act
+        final call = await dataSource.getRoadster();
+        // assert
+        verify(() => service.fetchRoadster());
+        expect(call, isA<Success<NetworkRoadsterModel>>());
+        verifyNoMoreInteractions(service);
+      },
+    );
+    test('should perform a GET request on /roadster and return an error',
+        () async {
+      // arrange
+      when(() => service.fetchRoadster()).thenThrow(Exception('Server error'));
+
+      // act
+      final call = await dataSource.getRoadster();
+
+      // assert
+      expect(call, isA<Error<NetworkRoadsterModel>>());
+      verify(() => service.fetchRoadster());
+      verifyNoMoreInteractions(service);
+    });
+  });
+}