| import 'dart:async'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:shared_preferences/shared_preferences.dart'; |
| import 'package:integration_test/integration_test.dart'; |
| |
| void main() { |
| IntegrationTestWidgetsFlutterBinding.ensureInitialized(); |
| |
| group('$SharedPreferences', () { |
| const Map<String, dynamic> kTestValues = <String, dynamic>{ |
| 'flutter.String': 'hello world', |
| 'flutter.bool': true, |
| 'flutter.int': 42, |
| 'flutter.double': 3.14159, |
| 'flutter.List': <String>['foo', 'bar'], |
| }; |
| |
| const Map<String, dynamic> kTestValues2 = <String, dynamic>{ |
| 'flutter.String': 'goodbye world', |
| 'flutter.bool': false, |
| 'flutter.int': 1337, |
| 'flutter.double': 2.71828, |
| 'flutter.List': <String>['baz', 'quox'], |
| }; |
| |
| SharedPreferences preferences; |
| |
| setUp(() async { |
| preferences = await SharedPreferences.getInstance(); |
| }); |
| |
| tearDown(() { |
| preferences.clear(); |
| }); |
| |
| test('reading', () async { |
| expect(preferences.get('String'), isNull); |
| expect(preferences.get('bool'), isNull); |
| expect(preferences.get('int'), isNull); |
| expect(preferences.get('double'), isNull); |
| expect(preferences.get('List'), isNull); |
| expect(preferences.getString('String'), isNull); |
| expect(preferences.getBool('bool'), isNull); |
| expect(preferences.getInt('int'), isNull); |
| expect(preferences.getDouble('double'), isNull); |
| expect(preferences.getStringList('List'), isNull); |
| }); |
| |
| test('writing', () async { |
| await Future.wait(<Future<bool>>[ |
| preferences.setString('String', kTestValues2['flutter.String']), |
| preferences.setBool('bool', kTestValues2['flutter.bool']), |
| preferences.setInt('int', kTestValues2['flutter.int']), |
| preferences.setDouble('double', kTestValues2['flutter.double']), |
| preferences.setStringList('List', kTestValues2['flutter.List']) |
| ]); |
| expect(preferences.getString('String'), kTestValues2['flutter.String']); |
| expect(preferences.getBool('bool'), kTestValues2['flutter.bool']); |
| expect(preferences.getInt('int'), kTestValues2['flutter.int']); |
| expect(preferences.getDouble('double'), kTestValues2['flutter.double']); |
| expect(preferences.getStringList('List'), kTestValues2['flutter.List']); |
| }); |
| |
| test('removing', () async { |
| const String key = 'testKey'; |
| await preferences.setString(key, kTestValues['flutter.String']); |
| await preferences.setBool(key, kTestValues['flutter.bool']); |
| await preferences.setInt(key, kTestValues['flutter.int']); |
| await preferences.setDouble(key, kTestValues['flutter.double']); |
| await preferences.setStringList(key, kTestValues['flutter.List']); |
| await preferences.remove(key); |
| expect(preferences.get('testKey'), isNull); |
| }); |
| |
| test('clearing', () async { |
| await preferences.setString('String', kTestValues['flutter.String']); |
| await preferences.setBool('bool', kTestValues['flutter.bool']); |
| await preferences.setInt('int', kTestValues['flutter.int']); |
| await preferences.setDouble('double', kTestValues['flutter.double']); |
| await preferences.setStringList('List', kTestValues['flutter.List']); |
| await preferences.clear(); |
| expect(preferences.getString('String'), null); |
| expect(preferences.getBool('bool'), null); |
| expect(preferences.getInt('int'), null); |
| expect(preferences.getDouble('double'), null); |
| expect(preferences.getStringList('List'), null); |
| }); |
| }); |
| } |