Create News Remote Data Source

codemagic.yml

@@ -14,7 +14,7 @@ workflows:
  events:
  - push
  branch_patterns:
- - pattern: '*dev*'
+ - pattern: '*'
  include: true
  source: true
  scripts:

lib/config/base_url_config.dart

@@ -1,4 +1,4 @@
 class BaseUrlConfig {
- final String baseUrlDevelopment = 'https://bengkelrobot.net:8003/v2';
- final String baseUrlProduction = 'https://newsapi.org/v2';
+ final String baseUrlDevelopment = 'https://bengkelrobot.net:8003';
+ final String baseUrlProduction = 'https://newsapi.org';
 }

lib/config/constant_config.dart

@@ -0,0 +1,3 @@
+class ConstantConfig {
+ final String apiKeyNewsApi = '3f1bdb0927c94f8da5708f7a36f7d06f';
+}

lib/feature/data/datasource/news/news_remote_data_source.dart

@@ -0,0 +1,37 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_news_app/config/constant_config.dart';
+import 'package:flutter_news_app/feature/data/model/topheadlinesnews/top_headlines_news_response_model.dart';
+import 'package:meta/meta.dart';
+
+abstract class NewsRemoteDataSource {
+ /// Calls the baseUrl:/v2/top-headlines?country=:country&apiKey=:apiKey endpoint
+ ///
+ /// Throws a [DioError] for all error codes.
+ Future<TopHeadlinesNewsResponseModel> getTopHeadlinesNews();
+}
+
+class NewsRemoteDataSourceImpl implements NewsRemoteDataSource {
+ final Dio dio;
+ final ConstantConfig constantConfig;
+
+ NewsRemoteDataSourceImpl({
+ @required this.dio,
+ @required this.constantConfig,
+ });
+
+ @override
+ Future<TopHeadlinesNewsResponseModel> getTopHeadlinesNews() async {
+ var response = await dio.get(
+ '/v2/top-headlines',
+ queryParameters: {
+ 'country': 'id',
+ 'apiKey': constantConfig.apiKeyNewsApi,
+ },
+ );
+ if (response.statusCode == 200) {
+ return TopHeadlinesNewsResponseModel.fromJson(response.data);
+ } else {
+ throw DioError();
+ }
+ }
+}

test/feature/data/datasource/news/news_remote_data_source_test.dart

@@ -0,0 +1,117 @@
+import 'dart:convert';
+
+import 'package:dio/dio.dart';
+import 'package:flutter_news_app/config/base_url_config.dart';
+import 'package:flutter_news_app/config/constant_config.dart';
+import 'package:flutter_news_app/feature/data/datasource/news/news_remote_data_source.dart';
+import 'package:flutter_news_app/feature/data/model/topheadlinesnews/top_headlines_news_response_model.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:matcher/matcher.dart';
+import 'package:mockito/mockito.dart';
+
+import '../../../../fixture/fixture_reader.dart';
+
+class MockDioAdapter extends Mock implements HttpClientAdapter {}
+
+class MockDio extends Mock implements Dio {}
+
+void main() {
+ NewsRemoteDataSourceImpl newsRemoteDataSource;
+ ConstantConfig constantConfig;
+ MockDio mockDio;
+ MockDioAdapter mockDioAdapter;
+
+ setUp(() {
+ mockDio = MockDio();
+ constantConfig = ConstantConfig();
+ mockDioAdapter = MockDioAdapter();
+ mockDio.httpClientAdapter = mockDioAdapter;
+ mockDio.options = BaseOptions(
+ baseUrl: BaseUrlConfig().baseUrlDevelopment,
+ );
+ newsRemoteDataSource = NewsRemoteDataSourceImpl(
+ dio: mockDio,
+ constantConfig: constantConfig,
+ );
+ });
+
+ group('getTopHeadlinesNews', () {
+ final tTopHeadlinesNewsResponseModel = TopHeadlinesNewsResponseModel.fromJson(
+ json.decode(
+ fixture('top_headlines_news_response_model.json'),
+ ),
+ );
+
+ void setUpMockDioSuccess() {
+ final responsePayload = json.decode(fixture('top_headlines_news_response_model.json'));
+ final response = Response(
+ data: responsePayload,
+ statusCode: 200,
+ headers: Headers.fromMap({
+ Headers.contentTypeHeader: [Headers.jsonContentType],
+ }),
+ );
+ when(
+ mockDio.get(
+ any,
+ queryParameters: anyNamed('queryParameters'),
+ ),
+ ).thenAnswer((_) async => response);
+ }
+
+ test(
+ 'make sure there is a GET request to endpoint /v2/top-headlines?country=:country&apiKey=:apiKey',
+ () async {
+ // arrange
+ setUpMockDioSuccess();
+
+ // act
+ await newsRemoteDataSource.getTopHeadlinesNews();
+
+ // assert
+ verify(
+ mockDio.get(
+ '/v2/top-headlines',
+ queryParameters: {
+ 'country': 'id',
+ 'apiKey': constantConfig.apiKeyNewsApi,
+ },
+ ),
+ );
+ },
+ );
+
+ test(
+ 'make sure to return the TopHeadlinesNewsResponseModel object when the '
+ 'response code is successful from the endpoint',
+ () async {
+ // arrange
+ setUpMockDioSuccess();
+
+ // act
+ final result = await newsRemoteDataSource.getTopHeadlinesNews();
+
+ // assert
+ expect(result, tTopHeadlinesNewsResponseModel);
+ },
+ );
+
+ test(
+ 'make sure to receive DioError when the response code fails from the endpoint',
+ () async {
+ // arrange
+ final response = Response(
+ data: 'Bad Request',
+ statusCode: 400,
+ );
+ when(mockDio.get(any, queryParameters: anyNamed('queryParameters'))).thenAnswer((_) async => response);
+
+ // act
+ final call = newsRemoteDataSource.getTopHeadlinesNews();
+
+ // assert
+ expect(() => call, throwsA(TypeMatcher<DioError>()));
+ },
+ );
+ });
+}

test/fixture/fixture_reader.dart

@@ -1,7 +1,5 @@
 import 'dart:io';
 
-final baseUrlTest = 'https://bengkelrobot.net:8003/v2';
-
 String fixture(String name) {
  var currentDirectory = Directory.current.toString().replaceAll('\'', '');
  var lastDirectory = currentDirectory.split('/')[currentDirectory.split('/').length - 1];